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  • 2020-2024  (166,745)
  • 2005-2009  (2,103,038)
  • 1985-1989  (1,263,466)
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  • 1
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    Mg/Ca, Sr/Ca and stable isotopes from the planktonic foraminifera T. sacculifer: testing a multi-proxy approach for inferring paleotemperature and paleosalinity (2021)
    COPERNICUS GESELLSCHAFT MBH
    In:  EPIC3Biogeosciences, COPERNICUS GESELLSCHAFT MBH, 18, pp. 423-439, ISSN: 1726-4170
    Details
    Publication Date: 2024-06-06
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 2
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    A new species of Freycinetia (Pandanaceae; Freycinetoideae) from Luzon Island, the Philippines (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 102-103
    Details
    Publication Date: 2024-06-06
    Description: A new species of Freycinetia (Pandanaceae; Freycinetoideae) from Llavac, Quezon Province in Luzon Island, the Philippines, is proposed here, namely Freycinetia nonatoi. Freycinetia nonatoi is characterized by a lobed auricle of the sheath with conspicuous spines on the margins and bright yellow bracts. These three morphological features distinguish it from the nearest species, F. sumatrana. The discovery of F. nonatoi also marks the first record of a member of the section Auriculifoliae with spiny margins.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Auriculifoliae ; Freycinetia ; Luzon ; Pandanaceae ; Philippines ; Quezon
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 3
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    Timonius eremiticus (Rubiaceae), a new species from the Philippines (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 104-106
    Details
    Publication Date: 2024-06-06
    Description: Timonius eremiticus, a new species from Mount Pulgar, Palawan Island, the Philippines, is here described and illustrated. It is morphologically close to T. flavescens but is characterized by membranous to chartaceous leaves with 2–4 pairs of lateral nerves, ivory-white corolla, bracteate staminate inflorescences bearing bracteolate flowers, 5-petaled pistillate flowers, (sub)globose fruits that are round and not 4-angled, and pyrenes being obliquely radiated in cross-section of fruits. Timonius eremiticus is assessed as Critically Endangered following IUCN criteria. Buod (Wikang Filipino)   Inilarawan at iginuhit sa lathalaing ito ang Timonius eremiticus na isang bagong espesye ng halaman na matatagapuan sa Bundok Pulgar sa pulo ng Palawan sa Pilipinas. Ito ay kawangis ng T. flavescens subalit natatangi dahil sa mga malalamad o malapapel nitong mga dahon na may dalawa o hanggang apat na pares ng nerbiyong lateral, kulay garing na mga talulot, brakteadong istaminate na mga inflorescence at bulaklak, mga pistiladong bulaklak na may limang talulot, (mala)bilugang mga bunga na hindi nakalundo sa apat, at mga pyrene na oblikong naka-radiate sa pahalang na hati ng mga bunga. Ang Timonius eremiticus ay itinataya rin na lubos nang nanganganib na maubos alinsunod sa mga pamantayan ng IUCN.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; endemic ; Guettardeae ; Mount Pulgar ; Palawan ; Rubiaceae ; Timonius
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 4
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    Peliosanthes macrophylla var. assamensis (Asparagaceae), a new variety from Behali Reserve Forest in Assam, Northeast India (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 121-125
    Details
    Publication Date: 2024-06-06
    Description: Peliosanthes macrophylla var. assamensis, a new variety from Behali Reserve Forest in Assam, Northeast India, is described with accompanying photos and relevant taxonomic data. It differs from var. macrophylla from Arunachal Pradesh and Sikkim, Northeast India, mainly by the staminal corona internally protruding near the middle (vs internally upright corona without a particular inward protrusion), shorter anthers somewhat divergent distally (vs nearly upright anthers), and longer, papillulate pistils exceeding the anthers (vs glabrous pistils not exceeding the anthers).
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Asparagaceae ; Eastern Himalayas ; floral structure ; new variety ; Peliosanthes macrophylla ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    Senecio beltranii (Asteraceae, Senecioneae): a new caespitose species endemic to South Peru (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 162-166
    Details
    Publication Date: 2024-06-06
    Description: Senecio beltranii, a new species of Asteraceae (Senecioneae) belonging to S. ser. Suffruticosi subser. Caespitosi, is described from the highland mountains of southern Peru. Morphologically, S. beltranii is similar to S. algens, but can easily be distinguished by its subshrub matt-forming habit, the presence of scattered papillose trichomes on stems and leaves, its pinnatilobate leaf shape, larger involucre and pedicel length, calycular bracts nearly glabrous, larger phyllary length and by the larger number of phyllaries. The major differences between the species are outlined in a morphological comparison table and discussed. The IUCN status is defined as Vulnerable (VU).
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Asteraceae ; Senecio subser. Caespitosi ; South America ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
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    The Pleuranthodium (Zingiberaceae) of Mount Wilhelm, Papua New Guinea (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 95-101
    Details
    Publication Date: 2024-06-06
    Description: Three species of Pleuranthodium were encountered and collected during a survey of gingers at Mount Wilhelm, Chimbu Province, Papua New Guinea. Based on new material, the only previously known Pleuranthodium from this area, P. piundaundense, is described in more detail highlighting new diagnostic characters and its known distribution range is expanded based on identification of older specimens at Edinburgh from two other provinces. Two species so far only known from Mount Wilhelm could not be identified after studying all protologues, types and material from several herbaria. These are here described as new species, P. corniculatum and P. sagittatum. A key with both floral and vegetative characters is provided to all three species. Pleuranthodium corniculatum is distinct in having apical appendages on the calyx, and P. sagittatum has a wrinkled calyx. All species are described and illustrated, and conservation assessments are made.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Chimbu ; Eastern Highlands ; Pleuranthodium corniculatum ; Pleuranthodium piundaundense ; Pleuranthodium sagittatum ; taxonomy ; Zingiberaceae
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 7
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    New species of Amorphophallus (Araceae) in the Philippines and an updated key (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 1-9
    Details
    Publication Date: 2024-06-06
    Description: The number of named Philippine species of the genus Amorphophallus (Araceae-Thomsonieae) amounts to 13 today. Three existing species names (not included in this count) cannot be attributed to presently recognized species for lack of their holotypes, which were all destroyed in WWII. Five new species are described here and an identification key to all species recognized from the Philippines is presented.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Amorphophallus ; Araceae ; identification key ; new species ; Philippines ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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    New species and a new record of Pterichis sect. Pterichis (Orchidaceae) from Bolivia (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 3, pp. 212-218
    Details
    Publication Date: 2024-06-06
    Description: Pterichis comprises about 40 species distributed from Costa Rica in the north to Bolivia in the south. The species grow as terrestrial plants usually in paramo and subparamo, but there are also reports of populations in high montane forest. In this paper the complete enumeration of the six Bolivian representatives of the orchid genus Pterichis sect. Pterichis is presented.A total of four new species are described and one new record, P. aragogiana, for the country is reported. An updated key to the species of the nominal section of Pterichis from Bolivia is presented.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Andes ; biodiversity ; Neotropics ; new record for Bolivia ; Pterichis aragogiana ; Pterichis fuentesii ; Pterichis lunatilabia ; Pterichis obcordatilabia ; Pterichis vasquezii
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
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    Asplenium alleniae (Aspleniaceae), a new fern species from Borneo and New Guinea (2021)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 3, pp. 219-223
    Details
    Publication Date: 2024-06-06
    Description: A new species, Asplenium alleniae, is described from high elevation habitats in Sabah (Malaysia) and Papua New Guinea. Previous phylogenetic analyses of chloroplast loci determined that A. alleniae was most closely related to A. pauperequitum from New Zealand. Asplenium alleniae differs from A. pauperequitum most obviously by the acuminate apices of its longer pinnae. The combination of pinnate fronds with few pairs of primary pinnae and dark red-brown axes distinguishes A. alleniae from superficially similar species of Asplenium in Malesia. Asplenium alleniae is provisionally assessed as Endangered.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; conservation ; Malaysia ; Malesia ; Mount Kinabalu ; Papua New Guinea ; Sabah ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    A systematic revision of the vulnerable mangrove genus Pelliciera (Tetrameristaceae) in equatorial America (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 107-120
    Details
    Publication Date: 2024-06-06
    Description: Pelliciera is a genus of mangrove trees with distinct showy flowers with five petals subtended by two large foliaceous bracts. The genus, thought to be monotypic, only containing P. rhizophorae, was classified recently in the small diverse family, the Tetrameristaceae. This distinctive genus occurs in a relatively restricted distribution in Central and northern South America in the Atlantic-East Pacific region. In this recent decade, two varietal forms have been reported across its range, of which one appears to be a colour morph referred to much earlier as P. rhizophorae var. benthamii. The taxonomic status of the earlier morph was, however, insufficient to warrant individual recognition at the time, so the genus remained monotypic with no varietal forms. The aim of this treatment has been to review the systematic history of the genus, to thoroughly re-assess available observations and to re-evaluate the current taxonomic status. In conclusion, the genus is recognised now as having two closely related species, described here as P. benthamii along with a redefined P. rhizophorae. Characters such as leafy bract colour, leaf dentition and petal shape used in their discrimination are provided, along with notes on the ecology, phenology, a diagnostic key, and a revised distribution map that displays the oddly overlapping occurrences.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Atlantic-East Pacific ; Central America ; conservation ; mangrove ; morphometrics ; nectar ; Pelliciera benthamii ; Pelliciera rhizophorae ; phenology ; pollen ; South America ; Tetrameristaceae
    Repository Name: National Museum of Natural History, Netherlands
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  • 11
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    A new subspecies and new records of Trichosanthes (Cucurbitaceae) for India, and notes on T. khasiana (2021)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 3, pp. 233-243
    Details
    Publication Date: 2024-06-06
    Description: In India, knowledge of the geographic distribution of Trichosanthes species is inadequate, largely due to the lack of revisionary work. Based on field observations, collected specimens and data from herbarium specimens, this paper describes a new taxon – T. dunniana subsp. clarkei from Sikkim and northern hill districts of West Bengal in northeastern India; and presents the first confirmed records of three southeast Asian taxa, viz., T. dunniana subsp. dunniana and T. wallichiana subsp. subrosea from northeastern India, and T. tricuspidata from the Andaman & Nicobar Islands. The name T. khasiana has been lectotypified, and Indochinese T. inthanonensis has been reduced under it. The southern Chinese Trichosanthes subrosea is transferred at reduced rank as T. wallichiana subsp. subrosea, while T. tridentata has been reduced to synonymy of this subspecies. Furthermore, we provide an updated distribution map with confirmed occurrences of these taxa in India, critical taxonomic notes and additional taxonomic characters.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; distribution ranges ; India ; Trichosanthes dunniana ; subsp. clarkei ; Trichosanthes khasiana ; Trichosanthes tricuspidata ; Trichosanthes wallichiana ; subsp. subrosea
    Repository Name: National Museum of Natural History, Netherlands
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  • 12
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    In memoriam Willem F. Prud'homme van Reine (3 April 1941 – 21 March 2020) (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. i-ix
    Details
    Publication Date: 2024-06-06
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics
    Repository Name: National Museum of Natural History, Netherlands
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  • 13
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    A taxonomic revision of the sponge-associated genus Thoracactis Gravier, 1918 (Anthozoa: Zoantharia) based on an integrated approach (2024)
    In:  Contributions to Zoology vol. 93, pp. 229-251
    Details
    Publication Date: 2024-06-06
    Description: The integrated approach of molecular phylogenetic and morphological analyses has revolutionized the systematics and our understanding of the evolutionary relationships of marine taxa. One such group is the hexacorallian order Zoantharia Rafinesque, 1815. The monotypic genus Thoracactis Gravier, 1918 has been little investigated since its placement within the order Zoantharia more than 100 years ago. Here, we examined museum specimens collected from the Cape Verde Islands (eastern Atlantic) and newly collected specimens from Brazil (southwestern Atlantic), using a combined molecular and morphological approach. Our results conclusively show Thoracactis to be referable to the family Parazoanthidae. Morphological data show that Thoracactis topsenti Gravier, 1918, the type species of this monotypic genus, has a cyclically transitional arrangement of its sphincter muscle, and this arrangement has previously been reported from the Parazoanthidae. Thoracactis can be distinguished from other hexasterophoran glass-sponge-associated genera (Churabana Kise, Montenegro & Reimer, 2022, Parachurabana Kise, 2023, and Vitrumanthus Kise, Montenegro & Reimer, 2022) by a combination of morphological, ecological and molecular phylogenetic data. In addition, molecular phylogenetic analyses clearly indicate that Thoracactis topsenti is placed within Parazoanthidae. These results are yet another demonstration of the utility of comprehensive combined approaches. From now, research attention should focus on the revision of remaining taxonomic questions within the family Epizoanthidae, with the goal of a comprehensively revised suborder Macrocnemina within reach.
    Keywords: glass sponge ‒ molecular phylogenetics ‒ sphincter muscle ‒ topotypes ‒ zoantharian
    Repository Name: National Museum of Natural History, Netherlands
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  • 14
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    Taxonomic revision of Dehaasia (Lauraceae) in Sumatra (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 167-175
    Details
    Publication Date: 2024-06-06
    Description: A revision of Dehaasia (Lauraceae) in Sumatra is presented. Eight species are recognized, including two newly described species (D. bandaharense and D. pilosa). Akey to the eight species, descriptions and distribution maps of each species and illustrations of newly described species are provided. A neotype for D. incrassata is designated.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Dehaasia ; Lauraceae ; revision ; Sumatra ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 15
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    Four new Curcuma species (Zingiberaceae) from Thailand (2021)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 3, pp. 244-253
    Details
    Publication Date: 2024-06-06
    Description: Four new Curcuma species (Zingiberaceae) from Thailand are described here. Curcuma fimbriata, C. micrantha and C. spathulata belong to C. subg. Hitcheniopsis, while C. globulifera belongs to the nominal C. subg. Curcuma. Each species is compared to the morphologically closest species and detailed descriptions, colour plates and information on their distribution, ecology, phenology and uses are provided. A preliminary IUCN conservation assessment of each of these species is proposed.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Curcuma globulifera ; Curcuma fimbriata ; Curcuma micrantha ; Curcuma parviflora ; Curcuma spathulata ; Curcuma subg. Hitcheniopsis
    Repository Name: National Museum of Natural History, Netherlands
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  • 16
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    Key to the families and genera of Malesian Euphorbiaceae in the wide sense (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 53-60
    Details
    Publication Date: 2024-06-06
    Description: Identification keys are provided to the different families in which the Euphorbiaceae are split after APG IV. Presently, Euphorbiaceae in the strict sense, Pandaceae, Peraceae, Phyllanthaceae, Picrodendraceae and Putranjivaceae are distinguished as distinct families. Within the families, keys to the different genera occurring in the Malesian area, native and introduced, are presented. The keys are to be tested and responses are very welcome.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Euphorbiaceae ; keys ; Pandaceae ; Peraceae ; Phyllanthaceae ; Picrodendraceae ; Putranjivaceae
    Repository Name: National Museum of Natural History, Netherlands
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  • 17
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    Maesa brevipedicellata (Primulaceae), a new species from Papua New Guinea (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 83-85
    Details
    Publication Date: 2024-06-06
    Description: Maesa brevipedicellata, a new species of Maesa (Primulaceae-Maesoideae) from Papua New Guinea, is described and illustrated based on herbarium specimen observations. The collections of this species resemble M. rufovillosa and were previously determined as that species. Maesa brevipedicellata is unique with its selfsupporting habit, hispid hairs throughout and paniculate inflorescences with very short pedicels. This new species mainly differs from M. rufovillosa by the habit (tree/shrub in M. brevipedicellata vs climber in M. rufovillosa) and the inflorescence structure (panicles in M. brevipedicellata vs simple racemes in M. rufovillosa).
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Ericales ; Maesa ; Malesia ; Myrsinaceae ; new species ; Papuasia ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 18
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    Distribution of cystoliths in the leaves of Acanthaceae and its effect on leaf surface anatomy (2021)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 3, pp. 224-232
    Details
    Publication Date: 2024-06-06
    Description: Cystoliths are large outgrowths of cell wall material and calcium carbonate with a silicon-containing stalk found in the leaves, stems and roots of only a handful of plant families. Each cystolith is contained within a cell called a lithocyst. In leaves, lithocysts may be found in the mesophyll or the epidermis. Astudy by Koch et al. (2009) reported unique, indented features on the surface of superamphiphilic Ruellia devosiana (Acanthaceae) leaves which the authors named ‘channel cells’. We report herein that such ‘channel cells’ in the Acanthaceae are actually lithocysts containing fully formed cystoliths in which only a portion of the lithocyst is exposed at the epidermis, forming a leaf epidermal impression. Intact leaves and isolated cystoliths from 28 Acanthaceae species (five in the non-cystolith clade and 23 in the cystolith clade) were examined using light and scanning electron microscopy and X-ray microanalysis. All 23 members of the cystolith clade examined contained cystoliths within lithocysts, but not all showed leaf epidermal impressions. In four species, the lithocysts were in the leaf mesophyll, did not contact the leaf surface, and did not participate in leaf epidermal impression formation. The remaining 19 species had lithocysts in the epidermis and possessed leaf epidermal impressions of differing sizes, depths and morphologies
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics
    Repository Name: National Museum of Natural History, Netherlands
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  • 19
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    Orchidantha anthracina (Lowiaceae), a new species from Vietnam (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 90-93
    Details
    Publication Date: 2024-06-06
    Description: Orchidantha anthracina (Lowiaceae), discovered at the south central coast of Vietnam, is described and illustrated, bringing the total number of species in the family to 26, of which four occur in Vietnam. The notes on distribution, habitat and etymology are given and a preliminary conservation assessment is provided. The species is compared with O. vietnamica, with which it shares flowers of similar size and colours, but from which it is readily distinguished by a narrow and strongly reflexed dorsal sepal and spreading lateral sepals, not supporting the labellum. Notes with additional comparisons to all species with a similar arrangement of lateral sepals are also provided.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Orchidantha grandiflora ; Orchidantha inouei ; Orchidantha vietnamica ; Phú Yên province ; south central coast of Vietnam ; vulnerable ; Zingiberales
    Repository Name: National Museum of Natural History, Netherlands
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  • 20
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    A new and unusual species of Dichaea (Orchidaceae: Zygopetalinae) from Costa Rica (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 61-64
    Details
    Publication Date: 2024-06-06
    Description: A new and florally unusual species of the genus Dichaea is described and illustrated from Costa Rica, where it is apparently endemic, and its relationships are discussed. Dichaea auriculata is compared with the group of species close to D. graminoides, from which it can be distinguished by the lip with a long isthmus, provided with two rounded auricles at the base, instead of the sessile lip typical of the group. It is also compared with another Costa Rican endemic in the same complex, D. gracillima, from which it can be distinguished by the autogamous, mostly cleistogamous, flowers, the 3-lobed lip with rounded basal lobes, the high keel along the lip isthmus, and the bifid ligule of the column. Notes on the habitat and the ecology of the new species are provided.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; autogamy ; Dichaeopsis ; Flora of Costa Rica ; new species ; plant diversity ; section Pseudodichaea
    Repository Name: National Museum of Natural History, Netherlands
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  • 21
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    Hibiscus fabiana sp. nov. (Malvaceae) from the Guinea Highlands (West Africa) (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 69-74
    Details
    Publication Date: 2024-06-06
    Description: Hibiscus fabiana Cheek (sect. Furcaria, Malvaceae) is described from the Guinea Highlands of West Africa, and its taxonomic affinities and ecology are considered. Hibiscus fabiana has previously been confused with H. rostellatus but has red fleshy calyx ribs (vs not red and non-fleshy), the calyx surface is glabrous apart from 1-armed bristles (vs densely covered in minute white stellate hairs and bristles 2–5-armed), the leaves 3(–5)-lobed, bases truncate to rounded (vs 5-lobed, cordate). The conservation status of the new species is assessed using the IUCN 2012 standard as Vulnerable. In the context of the recently discovered extinction of the Guinean endemic Inversodicraea pygmaea G.Taylor (Podostemaceae), we discuss the 30 new species to science discovered in Guinea since 2005, all but one of which are also range-restricted and threatened, usually by development or habitat loss. We consider it urgent to avoid their extinction, ideally with in situ conservation using an Important PlantAreas approach.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Bowal ; conservation ; Furcaria ; Guinea Highlands ; Hibiscus ; Important Plant Areas ; Simandou
    Repository Name: National Museum of Natural History, Netherlands
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  • 22
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    A new species of Eurystyles (Orchidaceae: Spiranthinae) from Costa Rica (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 65-68
    Details
    Publication Date: 2024-06-06
    Description: Eurystyles comprises about 23 species ranging from Mexico to northernArgentina. Six species are recognized in Mexico and Central America and three in Costa Rica. A new species, named E. uxoris, is here described and illustrated based on Costa Rican material. The species is similar to Eurystyles auriculata and E. standleyi, however, it differs by the smaller plants up to 3 cm tall, smaller leaves of less than 1.6 cm long, flowers with brown dorsal sepal and brown lip apex, petals callose or thickened at apex, and a pandurate lip. Information about distribution, habitat, ecology, etymology and phenology of the new species is provided. An updated key to the Costa Rican species of Eurystyles is presented.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Eurystyles auriculata ; Eurystyles cornu-bovis ; Eurystyles standleyi ; floristics ; neotropics ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 23
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    Three new combinations in Villaria (Octotropideae, Rubiaceae), an endemic genus from the Philippines (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 86-89
    Details
    Publication Date: 2024-06-06
    Description: Three new species combinations are made under Villaria for the Philippine endemics Hypobathrum coriaceum, H. multibracteatum and H. purpureum. Morphological features of these three Hypobathrum species revealed a closer resemblance with Villaria than with Hypobathrum, as the three Philippine endemics possess a unilocular ovary with parietal placentation; a character that is not found in any genera of Octotropideae except in Villaria. Lectotypes and a neotype are selected.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Hypobathrum ; Ixoroideae ; Octotropideae ; Philippine endemics ; Rubiaceae ; Villaria
    Repository Name: National Museum of Natural History, Netherlands
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  • 24
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    On the morphological variation of Rafflesia cantleyi (Rafflesiaceae) on Pulau Tioman, Pahang, Peninsular Malaysia (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 75-82
    Details
    Publication Date: 2024-06-06
    Description: In Peninsular Malaysia, Rafflesia is represented by seven species of which R. kerrii (and R. su-meiae) stands out distinctly from the other five. The other five species, R. azlanii, R. cantleyi, R. parvimaculata, R. sharifahhapsahiae and R. tuanku-halimii, are collectively close enough to each other to be referred to as the R. cantleyi complex after its first-described species, R. cantleyi. Pulau Tioman has a population of R. cantleyi, which, because of its island location, is isolated from the mainland complex. This study was conducted to determine morphological variation in a selected location in Pulau Tioman. Twelve flowers were studied with respect to characteristics such as wart (blotch) pattern on perianth lobes, warts (dots) on upper surface of the diaphragm, shape of the aperture, shape of processes and types of ramenta. These are the characters that have been used to define species in the R. cantleyi complex. The variation in the local Tioman population was compared with the variation in the R. cantleyi complex on the mainland, which is about the same magnitude. This supports the idea that R. cantleyi is a single highly polymorphic species and that the species that have been described in the R. cantleyi complex should be reduced to varieties.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; morphology ; Pulau Tioman ; Rafflesia cantleyi complex ; variability
    Repository Name: National Museum of Natural History, Netherlands
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  • 25
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    Dispersal‐related plant traits are associated with range size in the Atlantic Forest (2024)
    Wiley
    In:  Diversity and Distributions vol. 2024 no. e13856
    Details
    Publication Date: 2024-06-06
    Description: Aim: The efficiency of animal-mediated seed dispersal is threatened by the decline of animal populations, especially in tropical forests. We hypothesise that large-seeded plants with animal-mediated dispersal tend to have limited geographic ranges and face an increased risk of extinction due to the potential decline in seed dispersal by large-bodied fruit-eating and seed-dispersing animals (frugivores). Location: Atlantic Forest, Brazil, South America. Taxon: Angiosperms. Methods: First, we collected dispersal-related traits (dispersal syndrome, fruit size, and seed size), growth form (tree, climber, and other) and preferred vegetation type (open and closed) data for 1052 Atlantic Forest plant species. Next, we integrated these with occurrence records, extinction risk assessments, and phylogenetic trees. Finally, we performed phylogenetic generalised least squares regressions to test the direct and interactive effects of dispersal-related traits and vegetation type on geographical range size. Results: Large-seeded species had smaller range sizes than small-seeded species, but only for species with animal-mediated dispersal, not for those dispersed by abiotic mechanisms. However, plants with abiotic dispersal had overall smaller range sizes than plants with animal-mediated dispersal. Furthermore, we found that species restricted to forests had smaller ranges than those occurring in open or mixed vegetation. Finally, at least 29% of the Atlantic Forest flora is threatened by extinction, but this was not related to plant dispersal syndromes. Main Conclusions: Large-seeded plants with animal-mediated dispersal may be suffering from dispersal limitation, potentially due to past and ongoing defaunation of large-bodied frugivores, leading to small range sizes. Other factors, such as deforestation and fragmentation, will probably modulate the effects of dispersal on range size, and ultimately extinction. Our study sheds light on the relationship between plant traits, mutualistic interactions, and distribution that are key to the functioning of tropical forests.
    Keywords: defaunation ; extinction risk ; frugivory ; phylogeny ; range size ; seed dispersal ; tropical forest
    Repository Name: National Museum of Natural History, Netherlands
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  • 26
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    Taxonomic notes on Trigonostemon (Euphorbiaceae) in the Philippines (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 12-24
    Details
    Publication Date: 2024-06-06
    Description: Descriptions of five Trigonostemon species in the Philippines (four endemic) are updated with taxonomic notes based on herbarium collections and field observations. A new species of Trigonostemon is described. All species treated here are illustrated with photos. The formerly uncertain species, T. stenophyllus, is now synonymized with T. filiformis. In addition to T. pentandrus, three more Trigonostemon species are reported to cohabit with ants. A new identification key and an updated identification list of Trigonostemon species in the Philippines are provided.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Euphorbiaceae ; Philippines ; revision ; taxonomy ; Trigonostemon
    Repository Name: National Museum of Natural History, Netherlands
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    Impatiens marroninus, a new species of Impatiens (Balsaminaceae) from Sumatra, Indonesia (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 10-11
    Details
    Publication Date: 2024-06-06
    Description: Impatiens marroninus Utami (Balsaminaceae), collected from Sumatra, Indonesia, is described and illustrated as a new species. The species belongs to subg. Impatiens sect. Kathetophyllon. It is characterized by opposite or whorled leaves, yellow flowers with red maroon stripes in the upper part of the two lateral petals, dark green leaves and the lower sepal deeply navicular and constricted into a short curved spur. This combination of morphological characters was previously unknown. Detailed description, illustration, phenology, IUCN conservation assessment and ecology of the species are provided.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Balsaminaceae ; endemic ; Impatiens ; Indonesia ; new species ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 28
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    Timing and direction of faunal exchange between the Nearctic and the Palaearctic in Odonata (2024)
    Wiley
    In:  Journal of Biogeography vol. 2024 no. 14963
    Details
    Publication Date: 2024-06-06
    Description: Aim Species have different distribution patterns across the globe and among biogeographical regions. The Nearctic and Palaearctic regions share lineages because of their parallel biogeographic histories and ecological conditions. As the number of phylogenetic studies increases, there are more insights into past exchange events between these two regions and their effects on the current distribution of diversity. However, several groups have not been tested and an overall generalization is still missing. Here, we analyse the biogeographic history across multiple genera of odonates to elucidate a general process of species exchange, vicariance and species divergence between these two regions. Location The Holarctic, including the entire Nearctic and the East and West Palaearctic. Taxon 14 genera of Odonata (Insecta). Methods We reconstructed a time-calibrated phylogenetic tree for each genus to determine species relationships and divergence time using 3614 COI sequences of 259 species. Biogeographic ancestral range estimation was inferred for each phylogeny using BioGeoBEARS. Preferred habitat (lotic versus lentic) was established for each species. Results Exchange events were not restricted in time, direction or either lentic habitat or lotic habitat. Most genera crossed between both regions only once, and it was mainly across the Beringia, while three diverse anisopteran genera revealed multiple exchanges. Recent exchanges during the Pleistocene were associated with cold-dwelling and lentic species. Main Conclusions Our finding reveals the absence of a generalizable pattern of species exchange and divergence between the Nearctic and Palaearctic regions; instead, we found lineage-specific biogeographic patterns. This finding highlights the complexity of drivers and functional traits that shaped current diversity patterns. Moreover, it emphasizes that general conclusions cannot be formulated based on one single clade.
    Keywords: biogeography ; climate change ; damselflies ; dragonflies ; Holarctic
    Repository Name: National Museum of Natural History, Netherlands
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  • 29
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    A taxonomic revision of Trigonostemon (Euphorbiaceae) outside Malesia (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 25-52
    Details
    Publication Date: 2024-06-06
    Description: The Trigonostemon species outside Malesia are taxonomically revised based on herbarium collections and fresh material. The research history in the concerning regions, i.e., the Indian subcontinent (including S India, Sri Lanka, Bangladesh and Myanmar), China, Thailand, Indochina, NE Australia and New Caledonia, is briefly summarised. A total of 32 species are accepted (including one doubtful species) and 17 names are newly treated as synonyms. Trigonostemon montanus is newly described for India. Regional identification keys, nomenclature, descriptions, geographic distributions and taxonomic notes are provided. Together with our previous work, the genus is now fully revised. A total of 59 species are accepted. A full identification list of all Trigonostemon collections seen is presented.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Euphorbiaceae ; identification ; morphological revision ; non-Malesian ; taxonomy ; Trigonostemon
    Repository Name: National Museum of Natural History, Netherlands
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  • 30
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    The botanical exploration of Angola by Germans during the 19th and 20th centuries, with biographical sketches and notes on collections and herbaria (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 126-161
    Details
    Publication Date: 2024-06-06
    Description: A catalogue of 29 German individuals who were active in the botanical exploration of Angola during the 19th and 20th centuries is presented. One of these is likely of Swiss nationality but with significant links to German settlers in Angola. The catalogue includes information on the places of collecting activity, dates on which locations were visited, the whereabouts of preserved exsiccata, maps with itineraries, and biographical information on the collectors. Initial botanical exploration in Angola by Germans was linked to efforts to establish and expand Germany’s colonies in Africa. Later exploration followed after some Germans had settled in the country. However, Angola was never under German control. The most intense period of German collecting activity in this south-tropical African country took place from the early-1870s to 1900. Twenty-four Germans collected plant specimens in Angola for deposition in herbaria in continental Europe, mostly in Germany. Five other naturalists or explorers were active in Angola but collections have not been located under their names or were made by someone else. A further three collectors, who are sometimes cited as having collected material in Angola but did not do so, are also briefly discussed
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Angola ; botanical exploration ; German explorers ; plant collections
    Repository Name: National Museum of Natural History, Netherlands
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    A new subgenus representing a newly recorded genus from China, with a new species featured with special palps (Acari, Hydryphantoidea, Hydryphantidae, Partnunia) (2024)
    Les Amis d'Acarologia
    In:  Acarologia vol. 64 no. 2, pp. 654-660
    Details
    Publication Date: 2024-06-06
    Description: A new subgenus Peculiaripalpus subgen. nov. with a new species Partnunia (Peculiaripalpus) longlingensis sp. nov. which belongs to Partnunia Piersig, 1896 is described and illustrated. Partnunia represents a newly record genus of Protziinae Koenike, 1909 for Chinese fauna. The diagnosis of Partnunia is modified according to the new species. An updated key is provided for the subfamilies, genera and subgenera of Hydryphantidae.
    Keywords: water mites; new taxa; scanning electron microscope
    Repository Name: National Museum of Natural History, Netherlands
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  • 32
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    Single-Cell Genomics Reveals the Divergent Mitochondrial Genomes of Retaria (Foraminifera and Radiolaria) (2023)
    American Society for Microbiology
    In:  mBio vol. 14 no. 2
    Details
    Publication Date: 2024-06-06
    Description: Mitochondria originated from an ancient bacterial endosymbiont that underwent reductive evolution by gene loss and endosymbiont gene transfer to the nuclear genome. The diversity of mitochondrial genomes published to date has revealed that gene loss and transfer processes are ongoing in many lineages. Most well-studied eukaryotic lineages are represented in mitochondrial genome databases, except for the superphylum Retaria—the lineage comprising Foraminifera and Radiolaria. Using singlecell approaches, we determined two complete mitochondrial genomes of Foraminifera and two nearly complete mitochondrial genomes of radiolarians. We report the complete coding content of an additional 14 foram species. We show that foraminiferan and radiolarian mitochondrial genomes contain a nearly fully overlapping but reduced mitochondrial gene complement compared to other sequenced rhizarians. In contrast to animals and fungi, many protists encode a diverse set of proteins on their mitochondrial genomes, including several ribosomal genes; however, some aerobic eukaryotic lineages (euglenids, myzozoans, and chlamydomonas-like algae) have reduced mitochondrial gene content and lack all ribosomal genes. Similar to these reduced outliers, we show that retarian mitochondrial genomes lack ribosomal protein and tRNA genes, contain truncated and divergent small and large rRNA genes, and contain only 14 or 15 proteincoding genes, including nad1, -3, -4, -4L, -5, and -7, cob, cox1, -2, and -3, and atp1, -6, and -9, with forams and radiolarians additionally carrying nad2 and nad6, respectively. In radiolarian mitogenomes, a noncanonical genetic code was identified in which all three stop codons encode amino acids. Collectively, these results add to our understanding of mitochondrial genome evolution and fill in one of the last major gaps in mitochondrial sequence databases.
    Keywords: Foraminifera ; mitochondrial evolution ; mitochondrial genome ; Radiolaria ; Retaria ; Rhizaria
    Repository Name: National Museum of Natural History, Netherlands
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    Macroevolutionary Dynamics in Micro-organisms: Generalists Give Rise to Specialists Across Biomes in the Ubiquitous Bacterial Phylum Myxococcota (2024)
    In:  Molecular Biology and Evolution vol. 41 no. 5
    Details
    Publication Date: 2024-06-06
    Keywords: macroevolution ; microbes ; prokaryotes ; habitat transitions ; specialization ; diversification ; myxobacteria ; comparative phylogenetics
    Repository Name: National Museum of Natural History, Netherlands
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  • 34
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    Positive feedbacks and alternative stable states in forest leaf types (2024)
    In:  Nature Communications vol. 15 no. 4658
    Details
    Publication Date: 2024-06-06
    Description: The emergence of alternative stable states in forest systems has significant implications for the functioning and structure of the terrestrial biosphere, yet empirical evidence remains scarce. Here, we combine global forest biodiversity observations and simulations to test for alternative stable states in the presence of evergreen and deciduous forest types. We reveal a bimodal distribution of forest leaf types across temperate regions of the Northern Hemisphere that cannot be explained by the environment alone, suggesting signatures of alternative forest states. Moreover, we empirically demonstrate the existence of positive feedbacks in tree growth, recruitment and mortality, with trees having 4–43% higher growth rates, 14–17% higher survival rates and 4–7 times higher recruitment rates when they are surrounded by trees of their own leaf type. Simulations show that the observed positive feedbacks are necessary and sufficient to generate alternative forest states, which also lead to dependency on history (hysteresis) during ecosystem transition from evergreen to deciduous forests and vice versa. We identify hotspots of bistable forest types in evergreen-deciduous ecotones, which are likely driven by soil-related positive feedbacks. These findings are integral to predicting the distribution of forest biomes, and aid to our understanding of biodiversity, carbon turnover, and terrestrial climate feedbacks.
    Repository Name: National Museum of Natural History, Netherlands
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  • 35
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    Syngenetic ice wedges and age of slope yedoma deposits in the foothills of the Kular Ridge (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The structure and composition of Late Pleistocene ice wedges in the ice complex outcropping onto gently sloping Kular ridge in the western Yana-Indigirka Lowland are considered. Ice wedges are dated 47-42 and 37-32 kyr BP. Over this time, relatively high temperatures of the growing season were recorded twice. Their rise appeared to be suffi cient for the growth of trees, while a relatively warm summer season activated slope processes and accumulation of slope yedoma deposits.
    Keywords: AGE; Age, dated material; Age, error; Calendar age, maximum/old; Calendar age, minimum/young; DEPTH, sediment/rock; Ice wedges; Kular_2; Kular ridge; Late Pleistocene; North Yakutia, Russia; Permafrost; radiocarbon dating; Sample, optional label/labor no; Sample comment; Sample ID; Yedoma
    Type: Dataset
    Format: text/tab-separated-values, 65 data points
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  • 36
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    Seawater carbonate chemistry and growth and learning capabilities of squid species (Sepioteuthis lessoniana) (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Anthropogenic carbon dioxide (CO2) emissions are being absorbed by the oceans, a process known as ocean acidification, and risks adversely affecting a variety of behaviours in a range of marine species, including inhibited learning in some fishes. However, the effects of elevated CO2 on learning in advanced invertebrates such as cephalopods are unknown. Any impacts to the learning abilities of cephalopods could have far-reaching consequences for their populations and the communities they inhabit. Cephalopods have some of the most advanced cognitive abilities among invertebrates and are one of the few invertebrate taxa in which conditional discrimination has been demonstrated, though the trait has not been demonstrated in any species of squid. Here, we tested for the first time the capacity for conditional discrimination in a squid species (Sepioteuthis lessoniana). Furthermore, we investigated the effects of projected future CO2 levels (1,084 µatm) on conditional discrimination and learning more generally. A three-task experiment within a two-choice arena was used to test learning and conditional discrimination. Learning was measured by improvements in task completion in repeated trials over time and the number of trials required to pass each task. Squid exhibited significant learning capabilities, with an increase in correct choices over successive trials and a decrease in the number of trials needed to complete the successive tasks. Six of the 12 squid tested successfully passed all three tasks indicating a capacity for conditional discrimination in the species. Elevated CO2 had no effect on learning or on the capacity for conditional discrimination in squid. This study highlights the remarkable cognitive abilities of S. lessoniana, demonstrated by their capacity for conditional discrimination, and suggests that ocean acidification will not compromise learning abilities. However, other behavioural traits in the species have been shown to be altered at comparable elevated CO2 conditions. It is not clear why some ecologically important behaviours are altered by elevated CO2 whereas others are unaffected. Future research should focus on the physiological mechanism responsible for altered behaviours in squid at elevated CO2.
    Keywords: Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Behaviour; Bicarbonate ion; Bicarbonate ion, standard deviation; Calcite saturation state; Calcite saturation state, standard deviation; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Calculated using seacarb after Orr et al. (2018); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Carbon dioxide, standard deviation; Coast and continental shelf; Comment; Containers and aquaria (20-1000 L or 〈 1 m**2); Experiment duration; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Fugacity of carbon dioxide in seawater, standard deviation; Identification; Laboratory experiment; Mantle, length; Mollusca; Nekton; Number; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; Percentage; pH; pH, standard deviation; Potentiometric titration; Registration number of species; Salinity; Salinity, standard deviation; Sepioteuthis lessoniana; Sex; Side; Single species; South Pacific; Species; Spectrophotometric; Temperature, water; Temperature, water, standard deviation; Time in seconds; Treatment; Tropical; Type; Uniform resource locator/link to reference
    Type: Dataset
    Format: text/tab-separated-values, 665 data points
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  • 37
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    Seawater carbonate chemistry and asexual reproduction and statolith formation of the symbiotic jellyfish Cotylorhiza tuberculata (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Ocean acidification and warming are challenging marine organisms and ecosystems around the world. The synergetic effects of these two climate change stressors on jellyfish remain still understudied. Here, we examine the independent and combined effects of these two environmental variables on polyp population dynamics of the Mediterranean jellyfish Cotylorhiza tuberculata. An experiment was conducted to examine asexual reproduction by budding and strobilation considering current and ca. 2100 winter (Trial 1, 36 days) and summer (Trial 2, 36 days) conditions under the RCP8.5 (IPCC 2013). In Trial 1, a temperature of 18°C and two pH levels (current: 7.9 and, reduced: 7.7) were tested. Trial 2 considered two temperature levels 24°C and 30°C, under current and reduced acidification conditions (8.0 and 7.7, respectively). Ephyrae size and statolith formation of released ephyrae from polyps exposed to summer temperatures under both acidification treatment was also analyzed. Zooxanthellae density inside the polyps throughout the experiment was measured. C. tuberculata polyps could cope with the conditions mimicked in all experimental treatments and no significant effect of pH, temperature, or the combination of both variables on the abundance of polyps was observed. At 18°C, strobilation was reduced under high PCO2 conditions. Under summer treatments (24°C and 30°C), percentage strobilation was very low and several released ephyrae suffered malformations and reduced size, as a consequence of reduced pH and elevated temperatures, separately. The number of statoliths was not affected by pH or temperature, however, bigger statoliths were formed at elevated temperatures (30°C). Finally, zooxanthellae density was not affected by experimental conditions, even if, the duration of the experiment significantly affected symbiont concentration. Our results show that even though polyps of C. tuberculata would thrive the future worst scenario predicted for the Mediterranean Sea, their capacity to undergo a proper strobilation and to produce healthy ephyrae will be more vulnerable to climate induced environmental conditions, thereby affecting medusae recruitment and, therefore, population dynamics of the species.
    Keywords: Alkalinity, total; Alkalinity, total, standard error; Animalia; Aragonite saturation state; Arms; Bicarbonate ion; Bottle number; Bottles or small containers/Aquaria (〈20 L); Calcite saturation state; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cnidaria; Cotylorhiza tuberculata; Day of experiment; Diameter; Ephyra size; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Identification; Laboratory experiment; Laboratory strains; Nekton; Nitrate; Nitrate, standard error; Not applicable; Number; OA-ICC; Ocean Acidification International Coordination Centre; Oxygen, dissolved; Oxygen, dissolved, standard error; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard error; Pelagos; pH; pH, standard error; Polyp number; Potentiometric titration; Registration number of species; Reproduction; Salinity; Silicate, standard error; Silicate [SiO3]2-; Single species; Species; Spectrophotometric; Statolith, length; Statolith, number; Statolith, volume; Statolith, width; Symmetry index; Temperature; Temperature, water; Temperature, water, standard error; Time in days; Treatment; Treatment: temperature; Type; Uniform resource locator/link to reference; Zooxanthellae
    Type: Dataset
    Format: text/tab-separated-values, 71985 data points
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    DATA PANGAEA
  • 38
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    Natural sea surface slicks from the Baltic Sea investigated for cell and virus-like particle abundance, surfactants and dissolved organic carbon in May 2021 (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Flow cytometry samples for the measurement of virus-like particles and prokaryotic abundance were sampled from the sea-surface microlayer inside and outside a natural surface slick and respective underlying water samples at three sites in the Kalmar Sound, near Rockneby, Sweden, using a boat. A glass plate sampler and a Ruttner sampler were used to sample the sea-surface microlayer and underlying water from 70 cm depth, respectively. For site 1, dissolved organic carbon and surfactants were additionally measured in all four sample types. Samples for flow cytometry were fixed with glutardialdehyde (0.5% final concentration). Some metadata for wind speed, temperature and salinity were collected. These data complement metagenomic analysis of viral communities in the sea-surface microlayer of a natural surface slick (Rahlff et al., unpublished).
    Keywords: Carbon, organic, dissolved; Comment; DATE/TIME; Date/Time local; DEPTH, water; Digital anemometer, MASTECH, MS6252A; Dissolved organic carbon analysis according to Martínez-García et al. (2022); Event label; Flow cytometer, BD Biosciences, BD Accuri C6; flow cytometry; Habitat; Kalmar Strait; Kalmarsund_1; Kalmarsund_2; Kalmarsund_3; LATITUDE; LONGITUDE; MULT; Multi-parameter portable meter, Xylem Analytics, MultiLine® Multi 3620 IDS; Multiple investigations; neuston; Prokaryotes; Salinity; Sample method; Sample type; sea-surface microlayer; Station label; surface water; Surfactants; Temperature, water; Viruses; Virus-like particles; Voltammetry, Metrohm, 747 VA Computrace; Wind speed
    Type: Dataset
    Format: text/tab-separated-values, 138 data points
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  • 39
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    The accurately digitized Dun Laoghaire Harbour marigram (sea level) records (1925-1931) (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The case study of Dún Laoghaire Harbour in Ireland from 1925–1931 illustrates the challenges of accurately digitizing marigrams. The methodology involves digitizing the original marigram trace and the underlying grid at the nearest foot interval for each given hour to assess offsets. By subtracting the digitized foot interval from the known foot interval, differences are determined and then subtracted from each hourly trace value. This comparison between the original and adjusted data, where the upper and lower bounds were consistently aligned with the top line thickness during calibration, enhances the accuracy of final sea level data to the 10 mm level per year of data. The accompanying paper outlines the digitization and adjustment methodology, along with the compilation of key metadata. The attached metadata file in the dataset download explains the structure of the dataset, including its levels. The accurately digitized records from 1925 to 1931 can help us understand sea level changes over time.
    Keywords: Binary Object; Binary Object (File Size); Binary Object (Media Type); Dun_Laoghaire; File content; historical data; Ireland; sea level
    Type: Dataset
    Format: text/tab-separated-values, 10 data points
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  • 40
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    Arctic Boreal Burned Area (ABBA) Product, Circumpolar Boreal Forests and Tundra, Version 2 (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This dataset, titled the Arctic Boreal Burned Area (ABBA) product, provides annual cumulative end-of-season burned area in circumpolar boreal forests and tundra at 463 m for the years 2002-2022. The data were generated based on data inputs collected by NASA's Moderate Resolution Imaging Spectroradiometer (MODIS) instruments using an algorithm developed by Loboda et al. (2011). Because this algorithm is specific to the high northern latitude (HNL) regions (i.e., it takes into account various conditions that are unique to the HNL), ABBA maps burned areas more accurately than other counterparts at this resolution.
    Keywords: Arctic; boreal forest; DATE/TIME; MULT; Multiple investigations; Myanmar; Raster graphic, GeoTIFF format; Raster graphic, GeoTIFF format (File Size); remote sensing; Tundra; wildfire
    Type: Dataset
    Format: text/tab-separated-values, 21 data points
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  • 41
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    Geochemical data for SOB14-A-21, a Lena Delta 1st terrace exposure (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The Holocene delta deposit (1st terrace) exposure SOB14-A-21 (72.53671°N, 127.98945°E) was sampled on 17 August 2014 North of Sobo-Sise Island in the Lena Delta during the framework of the joint Russian-German Expedition LENA 2014. The surface (top) of the exposure was characterized by mosses and sedges. The exposure itself was predominately sandy with few organic remnants. The top organic layer is thin (1.5 cm) and the active layer depth could not be determined exactly. However, the top 170 cm of the exposure were unfrozen although the thaw front might not only be from the top down but also horizontally due to the nature of the exposure. The exposure was first cleaned with a spade and then sampled with a knife and a hole saw from top to bottom. The entire exposure had a depth of 605 cm whereof the bottom 35 cm consisted of ice. Every 25 cm a sample was collected resulting in 22 samples (20 sediment samples and 2 ice samples). The samples were kept cool during the transport and later analyzed in the laboratory for bulk density, total organic carbon, and total nitrogen with a Vario EL III Elemental Analyzer. Prior to analysis, samples were freeze-dried, homogenized, and ground before measuring the samples with the elemental analyzer. The ice samples were not analyzed.
    Keywords: Arctic Delta; AWI_Perma; AWI Arctic Land Expedition; Carbon; Carbon, organic, total; Carbon/Nitrogen ratio; Carbon and nitrogen and sulfur (CNS) isotope element analyzer, Elementar, Vario EL III; DATE/TIME; Density, dry bulk; Density, wet bulk; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; EXPO; Exposure; Ice content, gravimetric; Ice content, volumetric; LATITUDE; Lena_Delta_Sobo-Byk_2014; Lena Delta; LONGITUDE; Nitrogen; Nitrogen, total; permafrost; Permafrost Research; PETA-CARB; PG-SOB14-A-21; Rapid Permafrost Thaw in a Warming Arctic and Impacts on the Soil Organic Carbon Pool; RU-Land_2014_Lena_Sobo-Byk; Sample, dry mass; Sample, wet mass; Sample code/label; Sample comment; Sample thickness; Sample volume; Sampling; Site; Size fraction 〉 2 mm, gravel; Soil organic carbon storage; Soil total nitrogen storage; Type; Water loss per dry weight
    Type: Dataset
    Format: text/tab-separated-values, 480 data points
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  • 42
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    Orthophotomosaics of Gorgona Island coral reefs (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Here we present a photogrammetric reconstruction of the best developed coral reefs of the Colombian Pacific, located at Gorgona Island. A shapefile containing the detail of coral reef boundaries, used to calculate areas is also included. Dataset includes four (4) orthophotomosaics (GeoTIFF) of the next coral reefs : La Azufrada, Playa Blanca, Arrecifito, Old Pier, and one (1) shapefile.
    Keywords: Binary Object; Binary Object (File Size); Binary Object (MD5 Hash); Binary Object (Media Type); coral reefs; Drone; Drone images; Eastern Tropical Pacific; Gorgona Island; Orthophotomosaic_La_Azufrada_Reef; Orthophotomosaic_Little_Reef; Orthophotomosaic_Old_Pier_Reef; Orthophotomosaic_Playa_Blanca_Reef; Photogrammetry; Unoccupied Aerial Vehicles (UAVs)
    Type: Dataset
    Format: text/tab-separated-values, 6 data points
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  • 43
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    Abundance, biomass and respiration data of fishes (Stomiiformes) from the BATHYPELAGIC cruise (June 2018) in Northeast Atlantic Ocean (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The values of carbon remineralisation were measured in juveniles/adults of 5 non-migratory bristlemouth fishes (Cyclothone spp.) and partial migrator (Argyropelecus hemigymnus) sampled during the BATHYPELAGIC cruise (North Atlantic, June 2018). This dataset contains the values of numerical abundance, biomass, specific ETS activity, specific respiraton and respiration flux data analyzed from Northwest Africa (20° N, 20° W) to the South of Iceland. A. hemigymnus specimens were collected using a ''Mesopelagos” net (5 x7 m mouth opening, 58 m total length) equipped with graded-mesh netting (starting with 30 mm and ending with 4 mm) and a multi-sampler for collecting samples from 5 different depth layers (Olivar et al., 2017). However, Cyclothone specimens were collected using the Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS-1 m²) zooplankton net (Wiebe et al., 1985) with a 0.2 mm mesh size and with several nets for collecting samples from 8 different depth layers. The Mesopelagos catches were sorted out and identified on board to the lowest possible taxon, and specimens selected for Electron Transfer System (ETS) analyses were immediately frozen in liquid nitrogen for later analysis in the laboratory. MOCNESS samples were preserved in 5% buffered formalin, and specimens were sorted out later in the laboratory. Stomiiforms respiration in the meso- and bathypelagic zones of the ocean were estimated along the transect. Abundance, biomass, specific ETS activity, specific respiration and respiration are given by layer.
    Keywords: 1; 10; 2; 29SG20180524; 3; 4; 5; 6; 7; Abundance per area; bathypelagic; BATHYPELAGIC; BATHYPELAGIC_01_D-3; BATHYPELAGIC_01_N-2; BATHYPELAGIC_01_N-3; BATHYPELAGIC_02_D-2; BATHYPELAGIC_02_N-2; BATHYPELAGIC_03_D-2; BATHYPELAGIC_03_D-3; BATHYPELAGIC_03_N-2; BATHYPELAGIC_03_N-3; BATHYPELAGIC_04_D-3; BATHYPELAGIC_04_N-2; BATHYPELAGIC_04_N-3; BATHYPELAGIC_05_D-2; BATHYPELAGIC_05_D-3; BATHYPELAGIC_05_N-2; BATHYPELAGIC_05_N-3; BATHYPELAGIC_06_D-2; BATHYPELAGIC_06_D-3; BATHYPELAGIC_06_N-2; BATHYPELAGIC_06_N-3; BATHYPELAGIC_07_D-2; BATHYPELAGIC_07_D-3; BATHYPELAGIC_07_N-2; BATHYPELAGIC_07_N-3; BATHYPELAGIC_10_D-3; BATHYPELAGIC_10_N-3; biological carbon pump; Biomass and Active Flux in the Bathypelagic Zone; Calculated; Carbon; Date/Time of event; Depth, bathymetric; DEPTH, water; Electron transport system activity of oxygen per mass; Event label; fish; ICM_Excellence_Centre; Latitude of event; Longitude of event; mesopelagic; Mesopelagos; Micronekton, biomass as carbon; Midwater trawl, Mesopelagos (Meillat, 2012); MOC1; MOCNESS opening/closing plankton net 1 sqm; North Atlantic; Northeast Atlantic; Optional event label; remineralization; Respiration; respiration flux; Respiration rate, carbon; Sarmiento de Gamboa; Severo Ochoa Centre of Excellence; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); SUMMER; Sustainable Management of Mesopelagic Resources; Temperature, water, mean; Tetrazolium reduction technique according to Packard (1971); Time of day; TRIATLAS; Tropical and South Atlantic climate-based marine ecosystem predictions for sustainable management; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 856 data points
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  • 44
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    Indoor laboratory experiment testing the effect of different nitrogen sources on the growth response and toxin content of Alexandrium pseudogonyaulax isolated from the Danish Limfjord (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The effect of different nitrogen sources (N-deplete, NO3-, NH4+, Urea) on the growth response and toxin content of Alexandrium pseudogonyaulax, isolated in 2020 from the Danish Limfjord, were investigated by means of a bottle incubation experiment. The experiment was started on the 18th October 2021 and finished on the 13th December 2021. This dataset contains all data collected within the experiment, including cell counts, cell sizes, goniodomin A toxin contents, particular organic carbon.
    Keywords: A. pseudogonyaulax isolated from Limfjord; Alexandrium pseudogonyaulax; Alexandrium pseudogonyaulax, cell size; Alexandrium pseudogonyaulax, strain; Alexandrium sp.; bottom-up; Carbon, organic, particulate; Centrifuged off, solubilized in methanol, spin-filtered; measured with ultra-high-performance liquid chromatography (UHPLC); coupled with triple quadrupole mass spectrometer (TQMS), Waters, Xevo TQ-XS; Comment; Date/time end, experiment; Date/time start, experiment; Goniodomin A; growth; Intraspecific variability; Kept in dark at -20°C on precombusted Gf/f filter; dried for 24 h at 60 °C, then added conc. HCl and dried for 24 h at 60 °C; measured with Elemental analyser, HEKAtech, Euro EA 3000; Laboratory experiment; MULT; Multiple investigations; Nitrogen; Nitrogen, organic, particulate; photophysiology; phycotoxins; Replicate; T-AP-N; Thyborøn, Limfjord, Denmark; Time, incubation; Treatment: nitrogen; Type of study; Visual identification (VID) of Lugol preserved samples
    Type: Dataset
    Format: text/tab-separated-values, 2097 data points
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  • 45
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    Grain size, skeletal components and C14 measurements of sediments from the reef island Barrang Lompo, Spermonde Archipelago, Indonesia (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The dataset is based on 50 soft carbonate sediment samples from the reef island Barrang Lompo in the Spermonde Archipelago, Sulawesi, SE Asia. The subsurface samples were obtained by percussion drilling at 5 coring locations on the island. From each coring location, 10 samples were retrieved in 1 m intervals, thus providing samples from a maximum depth of 10 m below surface at each site (1 m, 2 m, ..., 10 m) using percussion drilling (jackhammer: WACKER BH 23, Wacker Neuson SE, probe: direct push corer with internal liner (1m length & 46 mm diameter)). Samples were taken from lowest 10 cm of probe. Examples: BL1-1 is sample from location BL1 in depth interval 90-100 cm. BL4-7 is sample from location BL4 in depth interval 690-700 cm. Laboratory data was collected between 2019 and 2021. The provided dataset contains grain size (raw and processed data; using GRADISTAT by Blott & Pye, 2001), skeletal component analysis (counting of fragments, 500 per sample; raw data) and facies determination (based on grain size and skeletal composition) of each sample. Additionally, the dataset provides raw and calibrated radiocarbon ages from 20 selected samples (calibration curve by Heaton et al. 2020; marine reservoir correction by Southon et al. 2002; calibration tool OxCal v4.4 by Bronk Ramsey, 2009). For the radiocarbon analyses, picked and pooled foraminifera of the genus Calcarina were chosen. These 20 samples were furthermore classified in terms of abrasion (1=very good preserved,... 4=very poorly preserved), following suggestions by Fellowes et al. 2017. The calibrated ages cover the earlier to late Holocene (~7,000 to 2,000 years BP). The collected data provides information of reef-derived sedimentation in the Holocene in the Spermonde Archipelago. It provides insight into the ecological background and the origin of the skeletal sediments.
    Keywords: Carbonate Sediments; Facies; Grain Size; Holocene; Leibniz Centre for Tropical Marine Research; radiocarbon age; Reef island; sediment archives; Southeast Asia; Spermonde Archipelago; SW Sulawesi; ZMT
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 46
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    International database of Glacially Induced Faults (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: We provide a GIS data inventory of confirmed and proposed glacially-induced faults. Stresses, perturbated as a response to the advance and retreat of continental ice sheets and glaciers, can reactivate pre-existing faults. Previously referred to as "PostGlacial Faults" (PGFs), these faults are now called "Glacially-Induced Faults" (GIFs). More than a dozen kilometre-long and several metre-high fault-scarps have been identified in northern Fennoscandia since extensive investigations started in the 1960s and 1970s. Similar faults, but by far not of such dimensions, have also been described in eastern Canada. In other formerly glaciated areas in Europe, e.g., the southern parts of Sweden, Norway and Finland, the southern Baltic Sea, Denmark, northern Germany and Poland, and the Baltic countries, GIFs have rarely been observed and discussed in the literature. However, the number of studies with reliable field evidence for proposing such faults has increased considerably in recent years. The estimated fault movements are of minor magnitude, though, as compared with those in northern Fennoscandia. The database contains the confirmed GIFs in northern Fennoscandia including north-western Russia. The geological surveys in Norway, Sweden and Finland analysed recent LiDAR (Light Detection And Ranging) data from their countries, which helped uncover new faults and revise the geometry of the existing ones. In addition, we include several proposed GIFs outside this area, e.g., in southern Sweden, Denmark and Germany. Ongoing work suggests the occurrence of GIFs in Iceland, Canada and Antarctica. The database will be continually updated, considering new results. A summarized description of the GIF in this database is given in: Steffen, H., Olesen, O., and Sutinen, R. (2021). Glacially-Triggered Faulting. Cambridge University Press, Cambridge, UK, ca. 450 pp., expected publication February 2021.
    Keywords: Glacially induced faults; Post-Glacial faults (PGF)
    Type: Dataset
    Format: application/zip, 161.1 kBytes
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  • 47
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    Sea surface temperature reconstruction based on planktonic foraminifera of surface sediments and sediment cores off Iberia (2008)
    PANGAEA
    In:  Supplement to: Salgueiro, Emilia; Voelker, Antje H L; Abrantes, Fatima F; Meggers, Helge; Pflaumann, Uwe; Loncaric, Neven; González-Álvarez, Raquel; Oliveira, Paulo; Bartels-Jonsdottir, Helga B; Moreno, João; Wefer, Gerold (2008): Planktonic foraminifera from modern sediments reflect upwelling patterns off Iberia: Insights from a regional transfer function. Marine Micropaleontology, 66(3-4), 135-164, https://doi.org/10.1016/j.marmicro.2007.09.003
    Details
    Publication Date: 2024-06-06
    Description: Quantitative and qualitative analyses of planktonic foraminiferal assemblages from 134 core-top sediment samples collected along the western Iberian margin were used to assess the latitudinal and longitudinal changes in surface water conditions and to calibrate a Sea Surface Temperature (SST) transfer function for this seasonal coastal upwelling region. Q-mode factor analysis performed on relative abundances yielded three factors that explain 96% of the total variance: factor 1 (50%) is exclusively defined by Globigerina bulloides, the most abundant and widespread species, and reflects the modern seasonal (May to September) coastal upwelling areas; factor 2 (32%) is dominated by Neogloboquadrina pachyderma (dextral) and Globorotalia inflata and seems to be associated with the Portugal Current, the descending branch of the North Atlantic Drift; factor 3 (14%) is defined by the tropical-sub-tropical species Globigerinoides ruber (white), Globigerinoides trilobus trilobus, and G. inflata and mirrors the influence of the winter-time eastern branch of the Azores Current. In conjunction with satellite-derived SST for summer and winter seasons integrated over an 18 year period the regional foraminiferal data set is used to calibrate a SST transfer function using Imbrie & Kipp, MAT and SIMMAX(ndw) techniques. Similar predicted errors (RMSEP), correlation coefficients, and residuals' deviation from SST estimated for both techniques were observed for both seasons. All techniques appear to underestimate SST off the southern Iberia margin, an area mainly occupied by warm waters where upwelling occurs only occasionally, and overestimate SST on the northern part of the west coast of the Iberia margin, where cold waters are present nearly all year round. The comparison of these regional calibrations with former Atlantic and North Atlantic calibrations for two cores, one of which is influenced by upwelling, reveals that the regional one attests more robust paleo-SSTs than for the other approaches.
    Keywords: BC; BCR; Box corer; Box corer (Reineck); GAP; GeoB9014-1; Giant box corer; GKG; Gravity corer (Kiel type); M39/1; M39/1_02-3; M39/1_03-2; M39/1_04-2; M39/1_16-2; M39/1_17-4; M39/1_21-5; M39/1_22-1; M39/1_22-3; M39/1_23-3; M39/1_29-6; M39/1_35-3; M39/1_58-1; M39/1_59-2; M39/1_70-1; M39/1_72-1; M39021-5; M39022-1; M39058-1; M39059-2; M39070-1; M39072-1; MARFLUX; Meteor (1986); MUC; MultiCorer; Multicorer with television; North Atlantic; off Portugal; PALEO 1; Portuguese Margin; POS200/10; POS200/10_1-2; POS200/10_3-1; POS200/10_5-1; POS200/10_5-2; POS287; POS287_05-1B; POS287_08-1B; POS287_13-1B; POS287_15-1B; POS287_19-1B; POS287_21-1B; POS287_26-1B; POS287_27-1B; POS287_28-1B; POS287_33-1B; POS287_34-1B; POS287_40-1B; POS287_41-1B; Poseidon; SL; SO10GK; SO11GK; SO175; SO75/3; SO75/3_13KG; SO75/3_15KG; SO75/3_25KG; SO75/3_30KG; SO75/3_33KG; SO75/3_9KG; SO7GK; SO83; SO83_10GK; SO83_11GK; SO83_7GK; SO83_9GK; SO9GK; Sonne; TVMUC
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 48
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    Winter air temperature during the Holocene optimum in the north-eastern part of the east European plain based on ice wedge stable isotope records (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Early Holocene winter air temperatures have been reconstructed for the northeastern part of the East European Plain using stable isotope (δ18O and δ2H) records of syngenetic ice wedges. We show that ice wedges here actively grew synchronously with accumulation of peatlands in bogged and forested depressions between 10 and 8 cal ka BP, corresponding to the early Holocene Thermal Maximum. The slope of the δ2H-δ18O regression line is close to the global meteoric water line. This suggests the preservation of winter precipitation signal in the ice wedge with minor isotope transformation. The low range of stable isotope values in the ice wedge indicates quite stable winter climate conditions, favorable to ice wedge growth. Reconstructed mean winter air temperature was close to modern, but it is assumed that air temperature of the coldest winter month was lower and more stable than at present.
    Keywords: Holocene; ice‐wedge; radiocarbon age; stable water isotopes; Vorkuta
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 49
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    Sedimentological and geochemical properties of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Biển Hồ lake (14°03'03.5″ N, 108°00'00.2″ E) is a volcanic crater (i.e. maar) in Vietnam's Central Highlands that has been accumulating sediment since the Pleistocene. Here we show data from our bathymetric surveys and physical, chemical and diatom analyses of the uppermost sediment (0-2 m) (NAFOSTED project 105.99-2018.316). The data document environmental history recorded over the last 70 years in Biển Hồ Maar sediment and provide an empirical basis for the interpretation of Biển Hồ's deeper Holocene and pre-Holocene sedimentary record.
    Keywords: catchment; Central Highlands; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; maar; NAFOSTED-105.99-2018.316; paleoenvironment; sediment coring
    Type: Dataset
    Format: application/zip, 9 datasets
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  • 50
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    Winter air temperature in the early and middle Holocene on the eastern coast of Daurkin Peninsula, Chukotka, reconstructed from stable isotopes of ice wedges (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The object of research is the Holocene massive ice veins on the Eastern coast of the Daurkin Peninsula, the easternmost part of the Chukotka. Peat bogs with ice veins occur on the surface of marine terraces (near Uelen and Lorino settlements) and on flood plain of the Koolen' Lake; the thickness of peat varies from 0.7 to 2.5 m. Radiocarbon dating of the peat enclosing the investigated ice veins near Uelen and Lorino indicated that the beginning of peat accumulation began at the end of Late Pleistocene - early Holocene, about 11 cal ka BP. On the flood plain of the Koolen' Lake peat bogs began to accumulate in the middle Holocene, i.e. around 6 cal ka BP. At the initial stage of peat bogs formation the rate of peat accumulation was high and could reach 1 cm/10 years. Ice veins occur at a depth of 0.5-1 m, and their lower parts are located in the underlying peat sandy loams and loams. In the upper levels of the peat bogs, narrow present-day ice veins are found, which are sometimes embedded in the upper parts of Holocene veins. A clear sign of syngenetic growth of veins is the upward bending of the layers of the host peat at the lateral contacts with the veins. The main source of water for the formation of ice veins is snow, as evidenced by the ratio of stable isotopes of oxygen and hydrogen and the values of deuterium excesses in the ice. A slight admixture of saline water (probably from a seasonally thawed layer) was noted in the veins near the Lorino settlement. Reconstructions of winter air paleotemperatures, performed on the basis of data of isotope-oxygen composition of ice from the veins, did show that at the period between 11 and 6 cal Ka BP, the mean winter air temperature on the Daurkin Peninsula was by 2-5 °C lower than today, but the air temperature of the coldest month (January or February) was still lower (by 4-8 °C) than today. The noticeable trend of increase of stable isotope values in the ice veins from early Holocene to the present time is indicative of a steady positive trend of mean winter air temperatures in the Holocene.
    Keywords: Chukotka; deuterium excess; Holocene; Hydrogen isotopes; Oxygen isotopes; paleotemperature reconstruction; Peatland; radiocarbon age; winter air temperature
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 51
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    Physical oceanography, abundance, biomass and respiration data of fishes (Stomiiformes) from the BATHYPELAGIC cruise (June 2018) to the Northeast Atlantic Ocean (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Physical oceanography variables and carbon remineralisation (juveniles/adults of Cyclothone species and Argyropelecus hemigymnus) were analysed during the BATHYPELAGIC cruise (North Atlantic, June 2018). This dataset contains the depth, temperature, and conductivity which were recorded from surface to a maximum depth of 2000 m using a SeaBird SBE 25plus CTD equipped with a Seabird-43 Dissolved Oxygen sensor and a Seapoint Fluorometer. Values of numerical abundance, biomass, specific ETS activity, specific respiraton and respiration flux data analyzed from Northwest Africa (20° N, 20° W) to the South of Iceland are presented. A. hemigymnus specimens were collected using a ''Mesopelagos” net (5 x7 m mouth opening, 58 m total length) equipped with graded-mesh netting (starting with 30 mm and ending with 4 mm) and a multi-sampler for collecting samples from 5 different depth layers. However, Cyclothone specimens were collected using the Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS-1 m²) zooplankton net with a 0.2 mm mesh size and with several nets for collecting samples from 8 different depth layers. The Mesopelagos catches were sorted out and identified on board to the lowest possible taxon, and specimens selected for Electron Transfer System (ETS) analyses were immediately frozen in liquid nitrogen for later analysis in the laboratory. MOCNESS samples were preserved in 5% buffered formalin, and specimens were sorted out later in the laboratory. Stomiiforms respiration in the meso- and bathypelagic zones of the ocean were estimated along the transect. Abundance, biomass, specific ETS activity, specific respiration and respiration are given by layer between e.g. 100 m and 1000 m depth (MOCNESS net, 1900–1600 m, 1600–1300 m, 1300–1000 m, 1000–700 m, 700–400 m, 400–200 m, 200–100 m and 100–0 m; Mesopelagos, 1900–1200 m, 1200–800 m, 800–500 m, 500–200 m and 200–0 m).
    Keywords: bathypelagic; BATHYPELAGIC; biological carbon pump; Biomass and Active Flux in the Bathypelagic Zone; Carbon; fish; ICM_Excellence_Centre; mesopelagic; Northeast Atlantic; remineralization; respiration flux; Severo Ochoa Centre of Excellence; SUMMER; Sustainable Management of Mesopelagic Resources; TRIATLAS; Tropical and South Atlantic climate-based marine ecosystem predictions for sustainable management
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 52
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    Microfacies data and age model from the International Continental Scientific Drilling Program (ICDP) Dead Sea core and the Masada outcrop (southwestern shore of the Dead Sea) (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: These datasets provide sedimentological data partly at annual resolution and an age model for the lateglacial part of (1) the ICDP sediment core 5017-1-A retrieved from the deep northern Dead Sea basin in 2010/11, and (2) for the Masada outcrop located at the southwestern shore of the Dead Sea sampled in 2018. The here investigated two sediment sections cover the last glacial-interglacial transition (ca. 17-11.5 ka BP) in the hydroclimatically sensitive Levant, when the water level of Lake Lisan – the precursor of the Dead Sea – dropped dramatically from its glacial high-stand to the Holocene low levels. Here, we analyze the interval between the last two gypsum units – the Upper Gypsum Unit (UGU) and the Additional Gypsum Unit (AGU) – which were also used to correlate the two sites. In the ICDP core this section is located between ~101 and 88.5 m sediment depth below lake floor and at Masada it encompasses the uppermost ~3.8 m sediments of the Lisan Formation, which form the terminal deposit at this site. Due to the lake level decline, the complete transition into the Holocene is only recorded in the ICDP core, while sedimentation at Masada terminates earlier. The microfacies was investigated by continuous thin section microscopy, while additional macroscopic information is provided from over- and underlying sediment sections. A revised chronology using age modelling in OxCal (Ramsey 2008; Ramsey 2009; Ramsey and Lee 2013) was developed for the ICDP core and a floating varve chronology was constructed at Masada. Using these new microfacies data from marginal (Masada) and deep-water (ICDP core) sediments, the hydroclimatic variability during the final stage of Lake Lisan can be reconstructed, which could provide important insights into the development of human sedentism in the region at this time.
    Keywords: Dead Sea; Eastern Mediterranean; ICDP; International Continental Scientific Drilling Program; Lateglacial; microfacies analyses; Paleoclimate; varve chronology
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 53
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    Effects of bottom-up factors (N-source and light) on growth and toxin content of the harmful dinoflagellate Alexandrium pseudogonyaulax (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The effect of different nitrogen sources (Experiment 1: N-deplete, NO3-, NH4+, Urea) and different light intensities (Experiment 2: 20, 100 and 200 μmol photons m-2 s-1) on the growth response and toxin content of Alexandrium pseudogonyaulax, isolated in 2020 from the Danish Limfjord, were investigated by means of bottle incubation experiments. In the 2nd experiment, the pigment content and photophysiological response of A. pseudogonyaulax was additionally assessed. The 1st experiment was started on the 18th October 2021 and finished on the 13th December 2021, while the 2nd experiment was started on the 16th March 2022 and finished on the 14th April 2022. This dataset contains all data collected within the two experiments, including cell counts, cell sizes, goniodomin A toxin contents, particular organic carbon and nitrogen, pigment contents (only exp. 2) and photophysiological parameters (only exp. 2).
    Keywords: Alexandrium sp.; bottom-up; growth; Laboratory experiment; Light; Nitrogen; photophysiology; phycotoxins
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 54
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    Sedimentological and remote sensing data from the reef island Langkai, Spermonde Archipelago, Indonesia (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The data set includes sedimentological data (grain size distribution, facies compositions & radiocarbon ages) and satellite imagery data (shoreline analysis) of the reef island Langkai, SW Sulawesi, Indonesia. The data was collected in order to reconstruct the Holocene and modern (sediment) dynamics over the past ca 6,000 years. Sediment samples were obtained from sediment cores taken by percussion drilling and hand-held (Auger) coring in May 2016 and July 2021. Laboratory analysis of the sediments and shoreline analysis were carried out between 2021 and 2023. The grain size distribution was determined by dry-sieving of the bulk sample into fractions following Wentworth (1922). The subsequent analysis of grain size statistics was done in GRADISTAT v9.1 (Blott & Pye, 2001). The skeletal components of the grain size fractions 〉2 mm, 2-1 mm, 1-0.5 mm and 0.5-0.25 mm were analyzed under a digital microscope by point counting. A total of n=100 skeletal components were identified from each fraction. These results were then used to calculate the relative proportions in each sample. A total of 20 radiocarbon ages from AMS dating were calibrated using OxCal online v4.4 (Bronk Ramsey, 2009), with the MARINE20 curve (Heaton et al., 2020) and a regional reservoir correction of deltaR= 0+-0 as suggested by Southon et al. (2002). The shoreline analysis is based on satellite image data (1999-2023; acquired from multiple sources, see data set for detailed description) and was analyzed with the Digital Shoreline Analysis Tool (Thieler et al., 2009) in ArcGIS.
    Keywords: Carbonate Sedimentology; Facies; Grain Size; Holocene; radiocarbon age; Southeast Asia; Spermonde Archipelago
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 55
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    Geochemical and sedimentological record of sediment core ETL-C3 retrieved from Ea Tyn Lake (Central Highlands, Vietnam) (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: In March 2020, two parallel sediment cores ETL-C3 and ETL-C4 (12.38589°N, 107.95399°E) were recovered from Ea Tyn Lake (Vietnam) using a Livingston/Bolivia-style customized piston corer. The cores represent sequences of 1-m segments with a vertical offset of ~50 cm between cores to ensure a complete record without gaps between successive segments. The two cores were visually correlated based on marker layers producing an ETL master sequence with a total length of 877 cm (sedimentary units 1-14). The core was scanned at 1 cm resolution with an Avaatech X-ray Fluorescence (XRF) core scanner and the raw data presented here is displayed as element counts per second (cps). RGB colour values were taken with a digital line scan camera to depict colour variation with depth. RGB colors were tranformed into the CIELAB color space using convertColor in the R-package grDevices. Principal component analysis (PCA) was performed using the basic-R function prcomp. The chronology is based on 12 AMS radiocarbon (14C) dates derived from plant macrofossils and measured at the National Ocean Sciences Accelerator Mass Spectrometry (NOSAMS) facility. The age-depth-model was produced based on the 12 14C dates and 4 137Cs dates using the R-package rbacon. The core sequence covers the last 1250 years cal BP and reflects long-term monsoon variability (Rb/Sr ratio) and drought events (PC2) in the throughout the respective time window of the core.
    Keywords: drought; Geochemistry; Lake sediment core; Late Holocene; Monsoon; palaeoclimate; Southeast Asia; XRF
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 56
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    Radiocarbon ages of the peat and wood remains of the Yun'yaga peatland, Vorkuta region (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AGE; Age, 14C calibrated, IntCal13 (Reimer et al., 2013); Age, dated material; Age, error; Calendar age; Calendar age, maximum/old; Calendar age, minimum/young; Comment; DEPTH, sediment/rock; Event label; Holocene; ice‐wedge; Latitude of event; Longitude of event; radiocarbon age; Sample comment; Sample ID; Sampling date; Section_1; Section_3; Section_4; stable water isotopes; Station label; Vorkuta; Vorkuta, Russia
    Type: Dataset
    Format: text/tab-separated-values, 182 data points
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  • 57
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    Magnetic susceptibility of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BHM8-2C1-D1; BHM8-2C2-D1; catchment; Central Highlands; DEPTH, sediment/rock; Event label; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; maar; Magnetic susceptibility; NAFOSTED-105.99-2018.316; paleoenvironment; PC; Piston corer; sediment coring; Vietnam
    Type: Dataset
    Format: text/tab-separated-values, 224 data points
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  • 58
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    Caesium 137 dating of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BHM5-5-5C (PVC); BHM7-VN4; BHM8-2C1-D1; BHM8-5-5C; Caesium-137, activity per mass; catchment; Central Highlands; Core; DEPTH, sediment/rock; Event label; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; maar; NAFOSTED-105.99-2018.316; paleoenvironment; PC; Piston corer; sediment coring; Vietnam; VN4; Well-type NaI(Tl) detector, BrightSpec bMCA-USB pulse height analyser
    Type: Dataset
    Format: text/tab-separated-values, 195 data points
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  • 59
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    Elemental composition of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AGC; Aluminium; Autonomous Gravity Corer with pneumatic core catcher; Barium; BHM41; BHM42; BHM72; BHM8-41; BHM8-42; BHM8-72; Bromine; Calcium; catchment; Central Highlands; Cobalt; Coherent scatter, counts; Copper; Depth, relative; DEPTH, sediment/rock; Event label; historic records; Incoherent scatter, counts; Iron; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; maar; Manganese; NAFOSTED-105.99-2018.316; Nickel; paleoenvironment; PC; Piston corer; Potassium; Rubidium; sediment coring; Silicon; Strontium; Sulfur; Titanium; Total count rate; Vietnam; X-ray fluorescence (XRF); Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 3456 data points
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  • 60
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    Lithology of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BHM5-5-5C (PVC); BHM8-2C1-D1; BHM8-2C2-D1; BHM8-5-5C; catchment; Central Highlands; Core section label; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; Lithology/composition/facies; maar; NAFOSTED-105.99-2018.316; paleoenvironment; PC; Piston corer; sediment coring; Vietnam; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 32 data points
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  • 61
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    Grain size distribution of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BHM8-2C1-D1; catchment; Central Highlands; DEPTH, sediment/rock; Grain size, mean; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; maar; Median, grain size; NAFOSTED-105.99-2018.316; paleoenvironment; PC; Piston corer; Sample ID; sediment coring; Size fraction 〈 0.002 mm, clay; Size fraction 〉 0.063 mm, sand; Size fraction 0.063-0.002 mm, silt, mud; Vietnam
    Type: Dataset
    Format: text/tab-separated-values, 780 data points
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  • 62
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    CNS analysis of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AGC; Autonomous Gravity Corer with pneumatic core catcher; BHM7-VN1; BHM7-VN4; BHM7-VN5; Carbon, total; catchment; Central Highlands; Core; Depth, relative; DEPTH, sediment/rock; Element analyser CNS; Event label; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; maar; NAFOSTED-105.99-2018.316; Nitrogen, total; paleoenvironment; PC; Piston corer; Sample ID; sediment coring; Sulfur, total; Vietnam; VN1; VN4; VN5
    Type: Dataset
    Format: text/tab-separated-values, 174 data points
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  • 63
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    Growth response, toxin/pigment/nutrient content and photophysiological parameters of Alexandrium pseudogonyaulax after exposure to different light intensities (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The effect of different light intensities (20, 100 and 200 μmol photons m-2 s-1) on the growth response, toxin/pigment/nutrient content and photophysiology of Alexandrium pseudogonyaulax, isolated in 2020 from the Danish Limfjord, were investigated by means of a bottle incubation experiment. The experiment was started on the 16th March 2022 and finished on the 14th April 2022. This dataset contains all data collected within the two experiments, including cell counts, cell sizes, goniodomin A toxin contents, particular organic carbon and nitrogen, pigment contents and photophysiological parameters. Chlorophyll a fluorescence measurements were performed using a Fast Repetition Rate fluorometer (FRRf) coupled to a FastAct Laboratory system (FastOcean PTX, both from Chelsea Technologies Group) in the exponential growth phase. The parameters were determined after 10 min of dark acclimation.
    Keywords: A. pseudogonyaulax isolated from Limfjord; Absorption cross section of PSII photochemistry; Alexandrium pseudogonyaulax; Alexandrium pseudogonyaulax, cell size; Alexandrium pseudogonyaulax, strain; Alexandrium sp.; beta-Carotene per cell; bottom-up; Carbon, organic, particulate, per cell; Centrifuged off, solubilized in methanol, spin-filtered; measured with ultra-high-performance liquid chromatography (UHPLC); coupled with triple quadrupole mass spectrometer (TQMS), Waters, Xevo TQ-XS; Chlorophyll a per cell; Chlorophyll c1+c2 per cell; Comment; Connectivity between photosystems PSI and PSII; Date/time end, experiment; Date/time start, experiment; Diadinoxanthin per cell; Diatoxanthin per cell; Dinoxanthin per cell; Fast repetition rate fluorometer (FRRf), Chelsea Technologies Group; coupled with FastAct laboratory system, Chelsea Technologies Group, FastOcean PTX; Fluorescence, maximum; Fluorescence, variable; Functional photosystem II reaction centers; Goniodomin A; Goniodomin A per cell; growth; High performance liquid chromatography (HPLC) separation module, Waters, Alliance 2695; coupled with 2996 photodiode array detector, Waters; Intraspecific variability; Kept in dark at -20°C on precombusted Gf/f filter; dried for 24 h at 60 °C, then added conc. HCl and dried for 24 h at 60 °C; measured with Elemental analyser, HEKAtech, Euro EA 3000; Laboratory experiment; Light sensor (ULM-500, Walz GmbH, Effeltrich, Germany); Maximal electron transport rate, relative; MULT; Multiple investigations; Nitrogen; Nitrogen, organic, particulate, per cell; Peridinin per cell; photophysiology; phycotoxins; Probability of an RCII being closed during the first flashlet of an single turnover saturation phase; Quantum yield efficiency of photosystem II; Radiation, photosynthetically active; Replicate; T-AP-N; Thyborøn, Limfjord, Denmark; Time, incubation; Time constant for the initial part of an single turnover relaxation phase; Treatment: light intensity; Type of study; Violaxanthin per cell; Visual identification (VID) of Lugol preserved samples; Zeaxanthin per cell
    Type: Dataset
    Format: text/tab-separated-values, 3398 data points
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  • 64
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    Radiocarbon (C14) measurements of sediments from the reef island Langkai, Spermonde Archipelago, Indonesia (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The data set includes radiocarbon ages of sediments from the reef island Langkai, SW Sulawesi, Indonesia. The data was collected in order to reconstruct the Holocene and modern (sediment) dynamics over the past ca 6,000 years. Sediment samples were obtained from sediment cores taken by percussion drilling and hand-held (Auger) coring in May 2016 and July 2021. Laboratory analysis of the sediments and shoreline analysis were carried out between 2021 and 2023. In bulk sediment samples, a total of 20 radiocarbon ages from AMS dating were calibrated using OxCal online v4.4 (Bronk Ramsey, 2009), with the MARINE20 curve (Heaton et al., 2020) and a regional reservoir correction of deltaR= 0+-0 as suggested by Southon et al. (2002).
    Keywords: Age, 14C AMS; Age, 14C calibrated, MARINE20 (Heaton et al., 2020); Age, dated; Age, dated, uncertainty; AUG; Auger; Calculated average/mean values; Calendar age, maximum/old; Calendar age, mean; Calendar age, median; Calendar age, minimum/young; Calendar age, standard deviation; Carbonate Sedimentology; Confidence level; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Event label; Facies; Grain Size; Holocene; Langkai_1; Langkai_2; Langkai_3; Langkai_4; Langkai_5; Langkai_Auger_1; Langkai_Auger_10; Langkai_Auger_15; Langkai_Auger_19; Langkai_Auger_22; Langkai_Auger_26; Langkai_Auger_3; Langkai_Auger_31; Langkai_Auger_6; Langkai_Auger_8; PCOR; Percussion corer; radiocarbon age; Sample ID; Southeast Asia; Spermonde Archipelago
    Type: Dataset
    Format: text/tab-separated-values, 220 data points
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  • 65
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    Master tracks in different resolutions from POLAR 6 flight P6_246_HAMAG_2024_2402190601 (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; DATE/TIME; Flight altitude; LATITUDE; LONGITUDE; P6_246_HAMAG_2024_2402190601; P6-246_HAMAG_2024; POLAR 6; WGS84, onbord GPS, unprocessed, and uncorrected for sensor position
    Type: Dataset
    Format: text/tab-separated-values, 694 data points
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  • 66
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    Grain size statistics of sediments from the reef island Langkai, Spermonde Archipelago, Indonesia (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The data set includes grain size statisticsof sediments from the reef island Langkai, SW Sulawesi, Indonesia. The data was collected in order to reconstruct the Holocene and modern (sediment) dynamics over the past ca 6,000 years. Sediment samples were obtained from sediment cores taken by percussion drilling and hand-held (Auger) coring in May 2016 and July 2021. Laboratory analysis of the sediments and shoreline analysis were carried out between 2021 and 2023. The grain size distribution was determined by dry-sieving of the bulk sample into fractions following Wentworth (1922). The subsequent analysis of grain size statistics was done in GRADISTAT v9.1 (Blott & Pye, 2001).
    Keywords: Arithmetic method of moments; AUG; Auger; Calculated; Calculated average/mean values; Carbonate Sedimentology; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Event label; Facies; Geometric method of moments; Grain quartile 75%/Grain quartile 25%; Grain Size; Grain size, distribution, interquartile range; Grain size, distribution interquartile range; Grain size, distribution spread; Grain size, mean; Grain size description; Grain size parameters (Folk and Ward, 1957); Gravel; Holocene; Kurtosis; Kurtosis description; Langkai_1; Langkai_2; Langkai_3; Langkai_4; Langkai_5; Langkai_Auger_1; Langkai_Auger_10; Langkai_Auger_11; Langkai_Auger_12; Langkai_Auger_13; Langkai_Auger_14; Langkai_Auger_15; Langkai_Auger_16; Langkai_Auger_17; Langkai_Auger_18; Langkai_Auger_19; Langkai_Auger_2; Langkai_Auger_20; Langkai_Auger_21; Langkai_Auger_22; Langkai_Auger_23; Langkai_Auger_24; Langkai_Auger_25; Langkai_Auger_26; Langkai_Auger_27; Langkai_Auger_28; Langkai_Auger_29; Langkai_Auger_3; Langkai_Auger_30; Langkai_Auger_31; Langkai_Auger_4; Langkai_Auger_5; Langkai_Auger_6; Langkai_Auger_7; Langkai_Auger_8; Langkai_Auger_9; Logarithmic method of moments; Median, grain size; Mode, grain size; Mud; PCOR; Percentile 10; Percentile 90; Percussion corer; radiocarbon age; Ratio to 10 percentile; Sample ID; Sample type; Sand; Sediment type; Sieving, error relative; Size fraction 〈 0.002 mm, clay; Size fraction 0.004-0.002 mm, 8.0-9.0 phi, very fine silt; Size fraction 0.008-0.004 mm, 7.0-8.0 phi, fine silt; Size fraction 0.016-0.008 mm, 6.0-7.0 phi, medium silt; Size fraction 0.032-0.016 mm, 5.0-6.0 phi, coarse silt; Size fraction 0.063-0.032 mm, 4.0-5.0 phi, very coarse silt; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 16-8 mm, medium gravel; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; Size fraction 32-16 mm, coarse gravel, pebble; Size fraction 4.0-2.0 mm, very fine gravel, granule; Size fraction 64-32 mm, very coarse gravel, pebble; Size fraction 8.0-4.0 mm, fine gravel; Skewness; Skewness description; Sorting; Sorting description; Southeast Asia; Spermonde Archipelago; Statistical analysis GRADISTAT package (Blott and Pye, 2001); Texture
    Type: Dataset
    Format: text/tab-separated-values, 3524 data points
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  • 67
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    Master tracks in different resolutions during POLAR 6 campaign P6_246_HAMAG_2024 (2024)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-06
    Description: Raw data acquired by GPS1 position sensors on board research aircraft Polar 6 during the campaign P6_246_HAMAG_2024 were processed to receive a validated master track which can be used as reference of further expedition data. Novatel FlexPak6 GPS receiver was used as navigation sensors during the campaign. Data were downloaded from DAVIS SHIP data base (https://dship.awi.de) with a resolution of 1 sec. Processed data are provided as a master track with 1 sec resolution and a generalized track with a reduced set of the most significant positions of the master track. A detailed report on processing is also available for each flight.
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 68
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    Winter cod 2022: Monitoring data recorded during RV ALKOR cruise AL568b - Gadus morhua body and gonad measurements (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This data contains monitoring data of the RV ALKOR cruise AL568b conducted in January 2022 (January 24th – February 1st) in the Western Baltic Sea by the University of Hamburg. The cruise was part of the 5-year monitoring programme Winter cod 2021-25 (Monitoring winter spawning activity of Western Baltic cod (Gadus morhua) (2021-25)) of the University of Hamburg aiming at investigating the early-winter spawning activity of Western Baltic cod to identify potential climate-induced shifts in spawning phenology. The data set includes cod single fish analysis data. All single fish measurements were made directly on board. Full wet weights of cod were measured and subsequently cod were gutted and liver weights, gonad weights and sexes, gutted wet weights (i.e., gutted wet mass), gonad stages and liver nematode infestations were recorded, and Otoliths were taken.
    Keywords: AL568/b_14-1; AL568/b_30-1; AL568/b_48-1; AL568/b_5-1; AL568/b_52-1; AL568/b_53-1; AL568/b_54-1; AL568/b_57-1; AL568/b_62-1; AL568b; Alkor (1990); Baltic Sea; cod monitoring data; Cruise/expedition; DAM sustainMare - SpaCeParti: Coastal Fishery, Biodiversity, Spatial Use and Climate Change: A Participative Approach to navigate the Western Baltic Sea into a Sustainable Future; DATE/TIME; DEPTH, water; Determination of gonadal maturity of Baltic cod according to Tomkiewicz et al. (2002); Event label; Fishing rod; Fish measuring board; FR; Gadus morhua; Gadus morhua, gonad, wet mass; Gadus morhua, gonadal stage; Gadus morhua, liver, wet mass; Gadus morhua, parasitic nematodes in liver; Gadus morhua, sex; Gadus morhua, total length; Gadus morhua, wet mass; Haul; Individual ID; LATITUDE; LONGITUDE; Marine scale, Marel, M2200; Otolith; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; RV ALKOR; SpaCeParti; Station label; sustainMare; The Little Belt; TRAWL; Trawl net; Western Baltic; winter
    Type: Dataset
    Format: text/tab-separated-values, 1102 data points
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  • 69
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    Winter cod 2023: Monitoring data recorded during RV ALKOR cruise AL585 - Gadus morhua body and gonad measurements (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This data contains monitoring data of the RV ALKOR cruise AL585 conducted in January 2023 (January 23rd – January 31st) in the Western Baltic Sea by the University of Hamburg. The cruise was part of the 5-year monitoring programme Winter cod 2021-25 (Monitoring winter spawning activity of Western Baltic cod (Gadus morhua) (2021-25)) of the University of Hamburg aiming at investigating the early-winter spawning activity of Western Baltic cod to identify potential climate-induced shifts in spawning phenology. The data set includes cod single fish analysis data. All single fish measurements were made directly on board. Full wet weights of cod were measured and subsequently cod were gutted and liver weights, gonad weights and sexes, gutted wet weights (i.e., gutted wet mass), gonad stages and liver nematode infestations were recorded, and Otoliths were taken.
    Keywords: AL585; AL585_30-1; AL585_37-1; AL585_38-1; AL585_39-1; AL585_40-2; AL585_41-2; AL585_42-1; AL585_43-1; AL585_44-2; AL585_45-2; AL585_46-1; AL585_47-1; AL585_49-1; AL585_58-1; AL585_59-1; AL585_61-1; AL585_62-1; AL585_63-1; AL585_64-1; AL585_67-1; AL585_68-1; AL585_70-1; AL585_72-1; AL585_73-1; Alkor (1990); cod monitoring data; Cruise/expedition; DAM sustainMare - SpaCeParti: Coastal Fishery, Biodiversity, Spatial Use and Climate Change: A Participative Approach to navigate the Western Baltic Sea into a Sustainable Future; DATE/TIME; DEPTH, water; Determination of gonadal maturity of Baltic cod according to Tomkiewicz et al. (2002); Event label; Fishing rod; Fish measuring board; FR; Gadus morhua; Gadus morhua, gonad, wet mass; Gadus morhua, gonadal stage; Gadus morhua, liver, wet mass; Gadus morhua, parasitic nematodes in liver; Gadus morhua, sex; Gadus morhua, total length; Gadus morhua, wet mass; Haul; Individual ID; LATITUDE; LONGITUDE; Marine scale, Marel, M2200; Otolith; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; RV ALKOR; SpaCeParti; Station label; sustainMare; TRAWL; Trawl net; Western Baltic Sea; winter
    Type: Dataset
    Format: text/tab-separated-values, 3619 data points
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  • 70
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    In-situ measurements in steep bedrock permafrost in an Alpine environment on the Matterhorn Hörnligrat, Zermatt Switzerland: 2008-2023 (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The data presented is a unique ten+ year data record obtained from in-situ measurements in steep bedrock permafrost in an Alpine environment on the Matterhorn Hörnligrat, Zermatt, Switzerland at 3500 m a.s.l. during the time period 2008-2023 by the PermaSense project. This data set constitutes the longest, densest and most diverse data record in the history of mountain permafrost research worldwide with 17 different sensor types used at 29 distinct sensor locations consisting of over 231.6 million data points. By documenting and sharing this data in this form we contribute to making our past research reproducible and facilitate future research based on this data e.g. in the area of analysis methodology, comparative studies, assessment of change in the environment, natural hazard warning and the development of process models. This data set provides primary data products as well as derived data products: GNSS raw data: GNSS observables in the form of daily RINEX 2.11 files GNSS derived data products: Daily positions computed using double-differencing GNSS processing Timelapse images: High-resolution visible light images Timeseries data raw: Per-year and location files or raw sampled data: Weather station, ground temperature, ground resistivity, fracture displacement and inclinometer data Timeseries derived data products: Cleaned and aggregated hourly values of the above Timeseries sanity plots: Standardized plots to obtain a visual overview and check data. All data contained in this data set including updates to newer data can also be retrieved using the toolset available at https://git.uibk.ac.at/informatik/neslab/public/permasense/permasense_datamgr from the online PermaSense data repository at http://data.permasense.ch. The version/tag used for the 2024 edition of the Matterhorn data is https://git.uibk.ac.at/informatik/neslab/public/permasense/permasense_datamgr/-/tree/Release_Pangaea_MH_data_2023.
    Keywords: Binary Object; File content; Long-term monitoring; Matterhorn_Hoernligrat; Matterhorn, Switzerland; Mountain Permafrost; MULT; Multiple investigations; Natural hazards; Wireless sensors
    Type: Dataset
    Format: text/tab-separated-values, 46 data points
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  • 71
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    (Fig. 3a-e) Distribution of planktonic foraminifera in surface sediments (2008)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BC; BCR; Box corer; Box corer (Reineck); Counting 150-2000 µm fraction; Depth, bathymetric; DEPTH, sediment/rock; Foraminifera, planktic; Fragmentation index, planktic foraminifera; GAP; GeoB9014-1; Giant box corer; GKG; Globigerina bulloides; Globigerina falconensis; Globigerina rubescens; Globigerinella calida; Globigerinella siphonifera; Globigerinita glutinata; Globigerinita iota; Globigerinita uvula; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides tenellus; Globigerinoides trilobus sacculifer; Globigerinoides trilobus trilobus; Globorotalia hirsuta; Globorotalia inflata; Globorotalia scitula; Globorotalia truncatulinoides; Gravity corer (Kiel type); LATITUDE; LONGITUDE; M39/1; M39/1_02-3; M39/1_03-2; M39/1_04-2; M39/1_16-2; M39/1_17-4; M39/1_21-5; M39/1_22-3; M39/1_23-3; M39/1_29-6; M39/1_35-3; M39/1_58-1; M39/1_59-2; M39/1_70-1; M39/1_72-1; M39021-5; M39058-1; M39059-2; M39070-1; M39072-1; MARFLUX; Meteor (1986); MUC; MultiCorer; Multicorer with television; Neogloboquadrina dutertrei; Neogloboquadrina pachyderma dextral; Neogloboquadrina pachyderma sinistral; North Atlantic; off Portugal; Orbulina; PALEO 1; Portuguese Margin; POS200/10; POS200/10_1-2; POS200/10_3-1; POS200/10_5-1; POS200/10_5-2; POS287; POS287_05-1B; POS287_08-1B; POS287_13-1B; POS287_15-1B; POS287_19-1B; POS287_21-1B; POS287_26-1B; POS287_27-1B; POS287_28-1B; POS287_33-1B; POS287_34-1B; POS287_40-1B; POS287_41-1B; Poseidon; Pulleniatina obliquiloculata; Sample code/label; SL; SO10GK; SO11GK; SO175; SO75/3; SO75/3_13KG; SO75/3_15KG; SO75/3_25KG; SO75/3_30KG; SO75/3_33KG; SO75/3_9KG; SO7GK; SO83; SO83_10GK; SO83_11GK; SO83_7GK; Sonne; Turborotalia cristata; Turborotalia humilis; Turborotalia quinqueloba; TVMUC
    Type: Dataset
    Format: text/tab-separated-values, 3822 data points
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  • 72
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    (Fig. 3f-h) Distribution of planktonic foraminifera factors in surface sediment samples (2008)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BC; BCR; Box corer; Box corer (Reineck); Depth, bathymetric; DEPTH, sediment/rock; Factor 1; Factor 2; Factor 3; Factor analysis, Q-mode; GAP; GeoB9014-1; Giant box corer; GKG; Gravity corer (Kiel type); LATITUDE; LONGITUDE; M39/1; M39/1_02-3; M39/1_03-2; M39/1_04-2; M39/1_16-2; M39/1_17-4; M39/1_21-5; M39/1_22-3; M39/1_23-3; M39/1_29-6; M39/1_35-3; M39/1_58-1; M39/1_59-2; M39/1_70-1; M39/1_72-1; M39021-5; M39058-1; M39059-2; M39070-1; M39072-1; MARFLUX; Meteor (1986); MUC; MultiCorer; Multicorer with television; North Atlantic; off Portugal; PALEO 1; Portuguese Margin; POS200/10; POS200/10_1-2; POS200/10_3-1; POS200/10_5-1; POS200/10_5-2; POS287; POS287_05-1B; POS287_08-1B; POS287_13-1B; POS287_15-1B; POS287_19-1B; POS287_21-1B; POS287_26-1B; POS287_27-1B; POS287_28-1B; POS287_33-1B; POS287_34-1B; POS287_40-1B; POS287_41-1B; Poseidon; Sample code/label; SL; SO10GK; SO11GK; SO175; SO75/3; SO75/3_13KG; SO75/3_15KG; SO75/3_25KG; SO75/3_30KG; SO75/3_33KG; SO75/3_9KG; SO7GK; SO83; SO83_10GK; SO83_11GK; SO83_7GK; Sonne; TVMUC
    Type: Dataset
    Format: text/tab-separated-values, 670 data points
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  • 73
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    Seawater carbonate chemistry and reproduction and embryonic development in the pygmy squid, Idiosepius pygmaeus (2020)
    PANGAEA
    In:  Supplement to: Spady, Blake L; Munday, Philip L; Watson, Sue-Ann (2020): Elevated seawater pCO2 affects reproduction and embryonic development in the pygmy squid, Idiosepius pygmaeus. Marine Environmental Research, 153, 104812, https://doi.org/10.1016/j.marenvres.2019.104812
    Details
    Publication Date: 2024-06-06
    Description: The oceans are absorbing additional carbon dioxide (CO2) from the atmosphere and projected future CO2 levels and ocean acidification could have negative implications for many marine organisms, especially during early life stages. Cephalopods are ecologically important in marine ecosystems, yet the potential effects of increased partial pressure of CO2 (pCO2) in seawater on cephalopod reproduction and embryonic development are little studied. We allowed adult two-toned pygmy squid (Idiosepius pygmaeus) to breed in ambient control (∼445 μatm; ∼8.05 pH) or elevated pCO2 conditions (∼940 μatm; ∼7.78 pH) and compared reproductive traits in adults and developmental characteristics of their eggs, which remained in control or elevated pCO2 treatments until hatching. Breeding pairs at elevated pCO2 produced clutches with 40% fewer eggs, vitelli that were 14% smaller directly after spawning, embryos that were 5% smaller upon hatching, and eggs with an 8% increase in late-stage egg swelling compared with pairs at control conditions. Elevated pCO2 did not affect fertility, time to hatch, or hatching success. Eggs were laid 40% closer together in elevated pCO2 compared with control conditions, indicating a possible effect of elevated pCO2 on reproductive behaviour. These results show that elevated pCO2 can adversely affect reproduction and embryonic development of the two-toned pygmy squid. As the potential for adaptation is influenced by reproductive success, testing the capacity for squid to adapt to future ocean conditions should be a priority for future research.
    Keywords: Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Area; Bicarbonate ion; Bicarbonate ion, standard deviation; Calcite saturation state; Calcite saturation state, standard deviation; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Calculated using seacarb after Orr et al. (2018); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Carbon dioxide, standard deviation; Cleveland_Bay_OA; Coast and continental shelf; Development; Distance; Egg hatching success; Eggs; Eggs, fertilized; Eggs, hatched; Eggs, unfertilized; Eggs, unhatched; EXP; Experiment; Fertilized eggs; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Fugacity of carbon dioxide in seawater, standard deviation; Identification; Idiosepius pygmaeus; Laboratory experiment; Mantle, length; Mass; Mesocosm or benthocosm; Mollusca; Nekton; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; pH, standard deviation; Potentiometric titration; Registration number of species; Replicate; Reproduction; Salinity; Salinity, standard deviation; Single species; South Pacific; Species; Spectrophotometric; Stage; Substrate type; Temperature, water; Temperature, water, standard deviation; Time of day; Treatment; Tropical; Type; Uniform resource locator/link to reference; Width
    Type: Dataset
    Format: text/tab-separated-values, 44760 data points
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  • 74
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    Loss on ignition of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BHM8-2C1-D1; catchment; Central Highlands; DEPTH, sediment/rock; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; Loss on ignition; maar; NAFOSTED-105.99-2018.316; paleoenvironment; PC; Piston corer; sediment coring; Vietnam; Water
    Type: Dataset
    Format: text/tab-separated-values, 1276 data points
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  • 75
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    Bathymetry of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: Bien-Ho_maar-lake; catchment; Central Highlands; DATE/TIME; Depth, bathymetric; ECHO; Echosounder; Echosounder, Garmin STRIKER Plus 4; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; LATITUDE; LONGITUDE; maar; NAFOSTED-105.99-2018.316; Number; paleoenvironment; sediment coring; Vietnam
    Type: Dataset
    Format: text/tab-separated-values, 9014 data points
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  • 76
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    Basic and other measurements of radiation at station Toravere (2020-03) (2020)
    PANGAEA
    In:  Tartu Observatoorium, Toravere
    Details
    Publication Date: 2024-06-06
    Keywords: Baseline Surface Radiation Network; BSRN; DATE/TIME; Diffuse radiation; Diffuse radiation, maximum; Diffuse radiation, minimum; Diffuse radiation, standard deviation; Direct radiation; Direct radiation, maximum; Direct radiation, minimum; Direct radiation, standard deviation; Estonia; HEIGHT above ground; Kipp & Zonen, SMP21-V, SN 170011, WRMC No. 9043; Long-wave downward radiation; Long-wave downward radiation, maximum; Long-wave downward radiation, minimum; Long-wave downward radiation, standard deviation; Long-wave upward radiation; Long-wave upward radiation, maximum; Long-wave upward radiation, minimum; Long-wave upward radiation, standard deviation; Monitoring station; MONS; Pyranometer, Kipp & Zonen, CMP21, SN 080074, WRMC No. 9041; Pyranometer, Kipp & Zonen, CMP21, SN 140442, WRMC No. 9042; Pyrgeometer, Eppley, PIR, SN 26802F3, WRMC No. 9037; Pyrgeometer, Kipp & Zonen, CGR4, SN 130660, WRMC No. 9039; Pyrheliometer, Kipp & Zonen, CHP 1, SN 140209, WRMC No. 9040; Short-wave downward (GLOBAL) radiation; Short-wave downward (GLOBAL) radiation, maximum; Short-wave downward (GLOBAL) radiation, minimum; Short-wave downward (GLOBAL) radiation, standard deviation; Short-wave upward (REFLEX) radiation; Short-wave upward (REFLEX) radiation, maximum; Short-wave upward (REFLEX) radiation, minimum; Short-wave upward (REFLEX) radiation, standard deviation; TOR; Toravere
    Type: Dataset
    Format: text/tab-separated-values, 1071360 data points
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  • 77
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    Diatom composition of the uppermost sediment record of Biển Hồ maar lake, Central Highlands of Vietnam (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: Achnanthes exigua; Achnanthes lanceolata; Achnanthes minutissima; Achnanthes sp.; Aulacoseira ambigua; Aulacoseira ambigua forma japonica; Aulacoseira granulata; Aulacoseira granulata forma spiralis; Aulacoseira spp.; Bacillaria sp.; BHM5-5-5C (PVC); BHM8-5-5C; Calculated; catchment; Central Highlands; Chrysophyte cysts; Core; Counting, diatoms; Cyclotella stelligera; DEPTH, sediment/rock; Diatoms; Diatoms, other; Diploneis sp.; Encyonema minuta; Encyonema spp.; Eunotia spp.; Fragilaria brevistriata; Fragilaria capucina; Fragilaria delicatissima; Fragilaria lapponica; Fragilaria pinnata; Gomphonema spp.; Gyrosigma spp.; historic records; Laminated Biển Hồ volcanic crater sediment in Central Highlands as a recorder of pre-instrumental history of monsoon and recent environmental recovery; maar; NAFOSTED-105.99-2018.316; Navicula cryptocephala; Navicula minima; Navicula radiosa; Navicula spp.; Navicula subminuscula; Nitzschia spp.; paleoenvironment; PC; Piston corer; sediment coring; Spicaticribra sp.; Sum; Vietnam
    Type: Dataset
    Format: text/tab-separated-values, 1020 data points
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  • 78
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    Basic and other measurements of radiation at station Toravere (2020-04) (2020)
    PANGAEA
    In:  Tartu Observatoorium, Toravere
    Details
    Publication Date: 2024-06-06
    Keywords: Baseline Surface Radiation Network; BSRN; DATE/TIME; Diffuse radiation; Diffuse radiation, maximum; Diffuse radiation, minimum; Diffuse radiation, standard deviation; Direct radiation; Direct radiation, maximum; Direct radiation, minimum; Direct radiation, standard deviation; Estonia; HEIGHT above ground; Kipp & Zonen, SMP21-V, SN 170011, WRMC No. 9043; Long-wave downward radiation; Long-wave downward radiation, maximum; Long-wave downward radiation, minimum; Long-wave downward radiation, standard deviation; Long-wave upward radiation; Long-wave upward radiation, maximum; Long-wave upward radiation, minimum; Long-wave upward radiation, standard deviation; Monitoring station; MONS; Pyranometer, Kipp & Zonen, CMP21, SN 080074, WRMC No. 9041; Pyranometer, Kipp & Zonen, CMP21, SN 140442, WRMC No. 9042; Pyrgeometer, Eppley, PIR, SN 26802F3, WRMC No. 9037; Pyrgeometer, Kipp & Zonen, CGR4, SN 130660, WRMC No. 9039; Pyrheliometer, Kipp & Zonen, CHP 1, SN 140209, WRMC No. 9040; Short-wave downward (GLOBAL) radiation; Short-wave downward (GLOBAL) radiation, maximum; Short-wave downward (GLOBAL) radiation, minimum; Short-wave downward (GLOBAL) radiation, standard deviation; Short-wave upward (REFLEX) radiation; Short-wave upward (REFLEX) radiation, maximum; Short-wave upward (REFLEX) radiation, minimum; Short-wave upward (REFLEX) radiation, standard deviation; TOR; Toravere
    Type: Dataset
    Format: text/tab-separated-values, 1036800 data points
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  • 79
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    The radiocarbon age of peat containing ice wedges on the east coast of Daurkin Peninsula, Chukotka (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AGE; Age, 14C calibrated, OxCal 4.2 and IntCal13; Age, error; Calendar age, maximum/old; Calendar age, minimum/young; Chukotka; Chukotka, Russia; DEPTH, sediment/rock; deuterium excess; Event label; Holocene; Hydrogen isotopes; Koolen_Lake; Latitude of event; Location; Longitude of event; Lorino_1; Oxygen isotopes; paleotemperature reconstruction; Peatland; radiocarbon age; Reference/source; Sample, optional label/labor no; Uelen; winter air temperature
    Type: Dataset
    Format: text/tab-separated-values, 60 data points
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  • 80
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    Basic and other measurements of radiation at station Toravere (2020-05) (2020)
    PANGAEA
    In:  Tartu Observatoorium, Toravere
    Details
    Publication Date: 2024-06-06
    Keywords: Baseline Surface Radiation Network; BSRN; DATE/TIME; Diffuse radiation; Diffuse radiation, maximum; Diffuse radiation, minimum; Diffuse radiation, standard deviation; Direct radiation; Direct radiation, maximum; Direct radiation, minimum; Direct radiation, standard deviation; Estonia; HEIGHT above ground; Kipp & Zonen, SMP21-V, SN 170011, WRMC No. 9043; Long-wave downward radiation; Long-wave downward radiation, maximum; Long-wave downward radiation, minimum; Long-wave downward radiation, standard deviation; Long-wave upward radiation; Long-wave upward radiation, maximum; Long-wave upward radiation, minimum; Long-wave upward radiation, standard deviation; Monitoring station; MONS; Pyranometer, Kipp & Zonen, CMP21, SN 080074, WRMC No. 9041; Pyranometer, Kipp & Zonen, CMP21, SN 140442, WRMC No. 9042; Pyrgeometer, Eppley, PIR, SN 26802F3, WRMC No. 9037; Pyrgeometer, Kipp & Zonen, CGR4, SN 130660, WRMC No. 9039; Pyrheliometer, Kipp & Zonen, CHP 1, SN 140209, WRMC No. 9040; Short-wave downward (GLOBAL) radiation; Short-wave downward (GLOBAL) radiation, maximum; Short-wave downward (GLOBAL) radiation, minimum; Short-wave downward (GLOBAL) radiation, standard deviation; Short-wave upward (REFLEX) radiation; Short-wave upward (REFLEX) radiation, maximum; Short-wave upward (REFLEX) radiation, minimum; Short-wave upward (REFLEX) radiation, standard deviation; TOR; Toravere
    Type: Dataset
    Format: text/tab-separated-values, 1071360 data points
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  • 81
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    Beak measurements of Japetella diaphana and Vampyroteuthis infernalis (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This dataset contains the measurements of the species' upper and lower beaks dimensions (length, height, width).
    Keywords: Beak, height; Beak, length; Beak, mass; Beak, width; Beak hood, length; Beak rostrum, length; Beaks; Deep-sea; Identification; Japetella diaphana; lifespan; Mantle, length; Mass; Maturation stage; Octopodiformes; Sex; Species; vampire squid
    Type: Dataset
    Format: text/tab-separated-values, 1751 data points
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  • 82
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    Biological data of Japetella diaphana and Vampyroteuthis infernalis (size, weight, capture dates, depth) (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This dataset contains biological and capture data of the specimens used in the study. Information is related to several cruises that collected Vampyroteuthis infernalis and Japetella diaphana between 2006 and 2017. Animals examined in the Santa Barbara Museum of Natural History (SBMNH) were collected between 1964 and 1995.
    Keywords: ASPI; Beak, mass; Beaks; Bottom trawl; BT; Collection; Date/Time of event; Davidson Expedition Exploring Ancient Coral Gardens; Deep-sea; DEPTH, water; Detritus sampler; DSROV; Eastern Central Atlantic Ocean; Error; Event label; Gear; Gonad, mass; Gonadosomatic index; Gulf of California; Gulf of California 2015, Leg 2 - Midwater Ecology; Gulf of California Expedition 2012 Midwater Biology; Identification; Increment number; Japetella diaphana; Latitude of event; Length, total; lifespan; Location; Longitude of event; Mantle, length; Maria S. Merian; Mass; Maturation stage; MBARI_BigOne; MBARI_D315-1; MBARI_D315-2; MBARI_Died-MBA; MBARI_Trawl002_GOC_02-032-GOC; MBARI_Trawl002_GOC_02-033-GOC; MBARI_Trawl005_GOC_05-090-GOC; MBARI_Trawl3-1-15_Trawl006_GOC; MBARI_V3595; MBARI2006_Davidson; MBARI2006_T944; MBARI2010_D183; MBARI2010_MidwaterEcology; MBARI2011_D241-SS6; MBARI2011_MidwaterEcology; MBARI2012_D333-D1; MBARI2012_D336; MBARI2012_D336-S1; MBARI2012_D339-D5; MBARI2012_D339-D7; MBARI2012_D339-SS2-D6; MBARI2012_D340; MBARI2012_D340-SS8; MBARI2012_D342-d10; MBARI2012_MidwaterBiology; MBARI2013; MBARI2013_D548-D12; MBARI2015_D710-D6_01-019-GOC; MBARI2015_D711-D1; MBARI2015_D713-D8_04-042-GOC; MBARI2015_D713-SS8_04-041-GOC; MBARI2015_D713-SS9_04-040-GOC; MBARI2015_D714-D5_04-056-GOC; MBARI2015_D714-SS6_05-067-GOC; MBARI2015_D715-D5_04-062-GOC; MBARI2015_D715-D8_04-063-GOC; MBARI2015_D716-D12_04-064-GOC; MBARI2015_D716-D8_D5-65-GOC; MBARI2015_D717-D11_06-092-GOC; MBARI2015_D717-D12_06-091-GOC; MBARI2015_D718-D11_06-133-GOC; MBARI2015_D718-D5_06-134-GOC; MBARI2015_D718-SS7_06-135-GOC; MBARI2015_D719-D10_07-143-GOC; MBARI2015_D719-D12_07-144-GOC; MBARI2015_Leg2; Midwater Ecology Expedition; Midwater Ecology Expedition 2011; Midwater Ecology Fall 2013 Expedition; Midwater trawl; MOC1; MOC10; MOCNESS opening/closing plankton net 10 sqm; MOCNESS opening/closing plankton net 1 sqm; MSM49; MSM49_584-2; MSM49_585-14; MSM49_586-6; MSM49_588-1; MSM49_591-1; MSM49_593-1; MSM49_602-11; MSM49_602-8; MSM49_603-5; MSM49_603-7; MSM49_604-2; MSM49_604-3; MSM49_604-4; MSM49_604-8; MWT; North Pacific Ocean; Octopodiformes; OSU-MT2439#5; Platform; PS1-95_trawl-20; Sampling; SBMNH_45791; SBMNH 42206; SBMNH 42208; SBMNH 45791; SBMNH 461854; SBMNH 461860; SBMNH 461862; SBMNH 464049; SBMNH 465340; SBMNH 470894; SBMNH 470897; SBMNH 471231; SBMNH 471233; SBMNH 471236; SBMNH 471237; SBMNH 471238; SBMNH 471241; SBMNH 471243; SBMNH 471244; SBMNH 471248; SBMNH 471252; SBMNH 471253; SBMNH 471254; SBMNH 471260; SBMNH 471261; SBMNH 471267; SBMNH 471268; SBMNH 471269; SBMNH 471273; SBMNH 471274; SBMNH 471277; SBMNH 471278; SBMNH 471279; SBMNH 471280; SBMNH 471322; SBMNH 471342; SBMNH 471367; SBMNH 471374; SBMNH 471570; SBMNH 472237; Sex; South Atlantic Ocean; Species; Spermatophoric complex, mass; Station label; Suction sampler; Temperature, water; Testis, mass; vampire squid; Velero_10125-64; Velero_10199-64; Velero_10607-65; Velero_10898-66; Velero_10973-66; Velero_11167-66; Velero_11260-66; Velero_11302-67; Velero_11495-67; Velero_11750-67; Velero_11751-67; Velero_11764-67; Velero_11766-67; Velero_11768-67; Velero_11782-67; Velero_12006-68; Velero_12062-68; Velero_12142-68; Velero_12329-68; Velero_12345-68; Velero_13042-69; Velero_13392-69; Velero_13398-69; Velero_13399-69; Velero_13739-70; Velero_13740-70; Velero_13757-70; Velero_13763-70; Velero_13771-70; Velero_13992-70; Velero_14663-70; Velero_16787-71; Velero_27957-79; Velero_8933-63; Velero_V22-17; Velero_V22-3; Walther Herwig III; WCGBT2013; WCGBT2013_106; WCGBT2013_113; WCGBT2013_130; WCGBT2013_144; WCGBT2013_178; WCGBT2013_49; WCGBT2013_5; WCGBT2013_66; WCGBT2013_74; WCGBT2013_9; WCGBT2013_93; WCGBT2017; WCGBT2017_100; WCGBT2017_123; WCGBT2017_125; WCGBT2017_126; WCGBT2017_128_Excalibur; WCGBT2017_128_Julie; WCGBT2017_129; WCGBT2017_138; WCGBT2017_139; WCGBT2017_141; WCGBT2017_16; WCGBT2017_181; WCGBT2017_182; WCGBT2017_186; WCGBT2017_5; WCGBT2017_77; Western Flyer; WH383; WH383_311-90; WH383_315-04; WH383_318-87; WH383_321-90; WH383_327-96; WH383_330-99; WH383_333-102; WH383_337-106; WH383_340-109; WH383_341-110; WH383_352-121
    Type: Dataset
    Format: text/tab-separated-values, 4163 data points
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  • 83
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    Age model of lateglacial ICDP core 5017-1-A (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This dataset provides the results from Bayesian age depth modelling in OxCal for ICDP core 5017-1-A, retrieved from the deep northern Dead Sea basin in 2010/11, for the last glacial-interglacial transition between ~101 and 88.5 m sediment depth below lake floor (ca. 17-11.5 ka BP). The model was performed in OxCal v.4.4 using a P_Sequence (1,1,C(-2,2)) (Ramsey 2008; Ramsey 2009; Ramsey and Lee 2013) and includes three tephrochronological ages from Neugebauer et al. (2021) and three radiocarbon ages from Kitagawa et al. (2017).
    Keywords: AGE; Age, uncertainty maximum/old; Age, uncertainty minimum/young; CDRILL; Core drilling; Dead Sea; Dead Sea Basin, Israel; DEPTH, sediment/rock; DSDDP_5017-1-A; Eastern Mediterranean; ICDP; International Continental Scientific Drilling Program; Lateglacial; microfacies analyses; Paleoclimate; varve chronology
    Type: Dataset
    Format: text/tab-separated-values, 5636 data points
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  • 84
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    Skeletal components of sediments from the reef island Barrang Lompo, Spermonde Archipelago, Indonesia (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The dataset is based on 50 soft carbonate sediment samples from the reef island Barrang Lompo in the Spermonde Archipelago, Sulawesi, SE Asia. The subsurface samples were obtained by percussion drilling at 5 coring locations on the island. From each coring location, 10 samples were retrieved in 1 m intervals, thus providing samples from a maximum depth of 10 m below surface at each site (1 m, 2 m, ..., 10 m). Laboratory data was collected between 2019 and 2021. The provided dataset contains skeletal component analysis (counting of fragments, 500 per sample; raw data). Microscope analysis of 200 components from fractions 〉2 mm and 2-1 mm and 100 components from fraction 1-0.5 mm. 12 different calcifying organisms were distinguished, of which 10 were identified in the present dataset. Non-identifiable grains were counted as bioclasts and not added to the sum of 200 and 100, respectively.The collected data provides information of reef-derived sedimentation in the Holocene in the Spermonde Archipelago. It provides insight into the ecological background and the origin of the skeletal sediments.
    Keywords: Balanidae; Barrang_Lompo_1; Barrang_Lompo_2; Barrang_Lompo_3; Barrang_Lompo_4; Barrang_Lompo_5; Bioclasts; Bivalvia; BL1; BL2; BL3; BL4; BL5; Bryozoa; Calculated average/mean values; Carbonate Sediments; Coral; Counting, microscope; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Echinodermata; Event label; Facies; Foraminifera; Gastropoda; Grain Size; Halimeda; Holocene; Leibniz Centre for Tropical Marine Research; Ostracoda; PCOR; Percussion corer; Porifera; radiocarbon age; Reef island; Rhodophyta; Sample ID; sediment archives; Serpulidae; Size fraction; Southeast Asia; Spermonde Archipelago; SW Sulawesi; ZMT
    Type: Dataset
    Format: text/tab-separated-values, 2550 data points
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  • 85
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    Monitoring of meteorological conditions in 30-min resolution in Kopcany, western Slowakia, 2018-2022 (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This dataset contains measurements of global radiation, precipitation, air temperature, relative humidity, air pressure, wind speed and wind direction from the study area of the project Dendromass4Europe. The aim of the study was to determine the influence of meteorological and soil-related site conditions on tree transpiration rates in poplar short rotation coppices plantations. In June 2018 a meteorological station was installed. The measurements started in June 2018 with a resolution of 30 minutes until end of May 2022 (31.05.2022). Three poplar SRC stands were selected according to a gradient of groundwater accessibility: S5-N (higher groundwater level), S4-D (low groundwater level), and S2-F (fluctuating groundwater level). On each of the selected sites one soil profile was excavated and prepared for the installation of soil sensors. The meteorological station was located southwest from the experimental sites. The distance from the meteorological station to the experimental sites was: 9.56 km to site S5-N (higher groundwater table), 9.82 km to site S4-D (low groundwater level), and 6.57 km to site S2-F (fluctuating groundwater table).
    Keywords: D4EU-Dendromass4Europe; DATE/TIME; HEIGHT above ground; Humidity, relative; Kalyx Rain Gauge (EML Ltd.), receiver tank area 127 cm2 and a resolution of 0.2 mm per tip; Kopcany2018-2022; MON; Monitoring; Precipitation; Pyranometer Sensor, SP-110 Apogee; Sampling on land; Securing Sustainable Dendromass Production with Poplar Plantations in European Rural Areas; Short-wave downward (GLOBAL) radiation; SK-Land-2018-2022_Kopcany; Station pressure; Temperature, air; Wind direction; Wind speed, hourly mean; WS500-UMB Smart Weather Sensor
    Type: Dataset
    Format: text/tab-separated-values, 207350 data points
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  • 86
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    Master tracks in different resolutions from POLAR 6 flight P6_246_HAMAG_2024_2402120201 (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; DATE/TIME; Flight altitude; LATITUDE; LONGITUDE; P6_246_HAMAG_2024_2402120201; P6-246_HAMAG_2024; POLAR 6; WGS84, onbord GPS, unprocessed, and uncorrected for sensor position
    Type: Dataset
    Format: text/tab-separated-values, 338 data points
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  • 87
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    Master tracks in different resolutions from POLAR 6 flight P6_246_HAMAG_2024_2402090101 (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; DATE/TIME; Flight altitude; LATITUDE; LONGITUDE; P6_246_HAMAG_2024_2402090101; P6-246_HAMAG_2024; POLAR 6; WGS84, onbord GPS, unprocessed, and uncorrected for sensor position
    Type: Dataset
    Format: text/tab-separated-values, 644 data points
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  • 88
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    Master tracks in different resolutions from POLAR 6 flight P6_246_HAMAG_2024_2402130301 (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; DATE/TIME; Flight altitude; LATITUDE; LONGITUDE; P6_246_HAMAG_2024_2402130301; P6-246_HAMAG_2024; POLAR 6; WGS84, onbord GPS, unprocessed, and uncorrected for sensor position
    Type: Dataset
    Format: text/tab-separated-values, 238 data points
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  • 89
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    U/Th, age model and stable isotope data from the Last Glacial Maximum to the Early Holocene in Sibaki Cave, Southwestern Iran (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: Paleoclimate records from the Middle East are sparse in comparison to other regions. The records as such could be useful to improve our understanding of natural variability in atmospheric circulation patterns. In particular, there are no paleoclimate studies in Iran that span the transition from the Last Glacial Maximum (LGM) to the Holocene based on speleothems. In light of the significant changes in the global climate since the last glacial period (LGM to Early Holocene), it is useful to examine regional climate variability during this time period to gain a better understanding of the climate sensitivity of different areas. In this study we report the first stalagmite records spanning the LGM and the corresponding deglacial transition in southwestern Iran. The sample was collected from Sibaki cave (29֯ 48' 54" N, 51֯ 35' 47" E) in southwestern Zagros, Iran. The cave entrance opens at 1275 m a.s.l. on a NE-facing slope of 1275 m a.s.l. There were no active drips onto SIB-4 when the stalagmite was collected in February 2019.
    Keywords: d13C; d18O; Iran; stalagmite; U-Th dating
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 90
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    Winter cod 2022: Monitoring data recorded during RV ALKOR cruise AL568b - Station data (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: This data contains monitoring data of the RV ALKOR cruise AL568b conducted in January 2022 (January 24th – February 1st) in the Western Baltic Sea by the University of Hamburg. The cruise was part of the 5-year monitoring programme Winter cod 2021-25 (Monitoring winter spawning activity of Western Baltic cod (Gadus morhua) (2021-25)) of the University of Hamburg aiming at investigating the early-winter spawning activity of Western Baltic cod to identify potential climate-induced shifts in spawning phenology. The data set includes station data (i.e. action log) of the cruise.
    Keywords: Activity description; AL568/b_10-1; AL568/b_1-1; AL568/b_11-1; AL568/b_11-2; AL568/b_1-2; AL568/b_12-1; AL568/b_13-1; AL568/b_13-2; AL568/b_14-1; AL568/b_15-1; AL568/b_15-2; AL568/b_16-1; AL568/b_16-2; AL568/b_17-1; AL568/b_17-2; AL568/b_18-1; AL568/b_18-2; AL568/b_19-1; AL568/b_19-2; AL568/b_19-3; AL568/b_20-1; AL568/b_20-2; AL568/b_2-1; AL568/b_21-1; AL568/b_21-2; AL568/b_2-2; AL568/b_22-1; AL568/b_22-2; AL568/b_23-1; AL568/b_23-2; AL568/b_24-1; AL568/b_24-2; AL568/b_25-1; AL568/b_25-2; AL568/b_26-1; AL568/b_27-1; AL568/b_27-2; AL568/b_27-3; AL568/b_28-1; AL568/b_28-2; AL568/b_29-1; AL568/b_29-2; AL568/b_30-1; AL568/b_30-2; AL568/b_3-1; AL568/b_31-1; AL568/b_31-2; AL568/b_3-2; AL568/b_32-1; AL568/b_32-2; AL568/b_32-3; AL568/b_3-3; AL568/b_33-1; AL568/b_33-2; AL568/b_34-1; AL568/b_34-2; AL568/b_35-1; AL568/b_35-2; AL568/b_36-1; AL568/b_36-2; AL568/b_37-1; AL568/b_37-2; AL568/b_38-1; AL568/b_38-2; AL568/b_39-1; AL568/b_40-1; AL568/b_40-2; AL568/b_4-1; AL568/b_41-1; AL568/b_41-2; AL568/b_41-3; AL568/b_4-2; AL568/b_42-1; AL568/b_42-2; AL568/b_43-1; AL568/b_43-2; AL568/b_44-1; AL568/b_44-2; AL568/b_45-1; AL568/b_45-2; AL568/b_46-1; AL568/b_46-2; AL568/b_47-1; AL568/b_47-2; AL568/b_48-1; AL568/b_48-2; AL568/b_48-3; AL568/b_49-1; AL568/b_49-2; AL568/b_50-1; AL568/b_50-2; AL568/b_5-1; AL568/b_51-1; AL568/b_51-2; AL568/b_52-1; AL568/b_53-1; AL568/b_54-1; AL568/b_54-2; AL568/b_55-1; AL568/b_56-1; AL568/b_57-1; AL568/b_57-2; AL568/b_58-1; AL568/b_59-1; AL568/b_60-1; AL568/b_6-1; AL568/b_61-1; AL568/b_6-2; AL568/b_62-1; AL568/b_62-2; AL568/b_7-1; AL568/b_7-2; AL568/b_8-1; AL568/b_8-2; AL568/b_9-1; AL568/b_9-2; AL568/b_9-3; AL568b; Alkor (1990); Baltic Sea; BONGO; Bongo net; Campaign of event; cod monitoring data; Comment; Course; CTD/Rosette; CTD-RO; DAM sustainMare - SpaCeParti: Coastal Fishery, Biodiversity, Spatial Use and Climate Change: A Participative Approach to navigate the Western Baltic Sea into a Sustainable Future; DATE/TIME; Depth, bathymetric; Event label; Field measurements; Fishing rod; FR; Gadus morhua; Gear; LATITUDE; LONGITUDE; MSN; Multiple opening/closing net; Operation mode; Operation number; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; RV ALKOR; SpaCeParti; Speed; Station label; Status; sustainMare; The Great Belt; The Little Belt; TRAWL; Trawl net; Western Baltic; Wind direction; Wind speed; winter
    Type: Dataset
    Format: text/tab-separated-values, 3068 data points
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  • 91
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    Master track from POLAR 6 flight P6_246_HAMAG_2024_2402130301 in 1 sec resolution (zipped, 362 KB) (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; P6_246_HAMAG_2024_2402130301; P6-246_HAMAG_2024; POLAR 6
    Type: Dataset
    Format: application/zip, 361.7 kBytes
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  • 92
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    Master track from POLAR 6 flight P6_246_HAMAG_2024_2402190601 in 1 sec resolution (zipped, 1 MB) (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; P6_246_HAMAG_2024_2402190601; P6-246_HAMAG_2024; POLAR 6
    Type: Dataset
    Format: application/zip, 1 MBytes
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  • 93
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    Master track from POLAR 6 flight P6_246_HAMAG_2024_2402150401 in 1 sec resolution (zipped, 776 KB) (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; P6_246_HAMAG_2024_2402150401; P6-246_HAMAG_2024; POLAR 6
    Type: Dataset
    Format: application/zip, 776.3 kBytes
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  • 94
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    Seawater carbonate chemistry and freeze tolerant of subtidal Mytilus trossulus and subtidal M. galloprovincialis, and intertidal M. trossulus (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: A full-factorial experiment was used to study whether ocean acidification increases mortality in subtidal Mytilus trossulus and subtidal M. galloprovincialis, and intertidal M. trossulus following sub-zero air temperature exposure. We examined physiological processes behind variation in freeze tolerance using 1H NMR metabolomics, analyses of fatty acids, and amino acid composition. This dataset is included in the OA-ICC data compilation maintained in the framework of the IAEA Ocean Acidification International Coordination Centre (see https://oa-icc.ipsl.fr). Original data were downloaded from Zenodo (see Source) by the OA-ICC data curator. In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2024) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation by seacarb is 2024-05-08.
    Keywords: Acetate, per wet mass; Acetoacetate; Adenosine monophosphate, per wet mass; Alanine; Alkalinity, total; Amino acids; Animalia; Aragonite saturation state; Arginine; Asparagine; Aspartate; Benthic animals; Benthos; beta-Alanine; Betaine; Bicarbonate ion; Bottles or small containers/Aquaria (〈20 L); Burrard_Inlet_JRVYC; Burrard_Inlet_Tower_Beach; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Event label; EXP; Experiment; Fatty acids; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Glutamate; Glycine; Guanidoacetate; Individuals; Laboratory experiment; Lactate, per wet mass; Lysine; Malate, per wet mass; Malonate; Mass; Mollusca; Monounsaturated fatty acids of total fatty acids; Mortality/Survival; Mytilus galloprovincialis; Mytilus trossulus; Name; North Pacific; OA-ICC; Ocean Acidification International Coordination Centre; Other studied parameter or process; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; Polyunsaturated fatty acids of total fatty acids; Proline; Salinity; Saltspring_Island; Sample ID; Saturated fatty acids of total fatty acids; Single species; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Succinate, per wet mass; Taurine; Temperate; Temperature, air; Temperature, water; Treatment; Trimethylamine; Trimethylamine N-oxide; Type; Type of study
    Type: Dataset
    Format: text/tab-separated-values, 13047 data points
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  • 95
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    Master track from POLAR 6 flight P6_246_HAMAG_2024_2402180501 in 1 sec resolution (zipped, 922 KB) (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; P6_246_HAMAG_2024_2402180501; P6-246_HAMAG_2024; POLAR 6
    Type: Dataset
    Format: application/zip, 921.8 kBytes
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  • 96
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    Master track from POLAR 6 flight P6_246_HAMAG_2024_2402120201 in 1 sec resolution (zipped, 514 KB) (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; P6_246_HAMAG_2024_2402120201; P6-246_HAMAG_2024; POLAR 6
    Type: Dataset
    Format: application/zip, 513.5 kBytes
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  • 97
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    Master track from POLAR 6 flight P6_246_HAMAG_2024_2402090101 in 1 sec resolution (zipped, 980 KB) (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: AC; Aircraft; P6_246_HAMAG_2024_2402090101; P6-246_HAMAG_2024; POLAR 6
    Type: Dataset
    Format: application/zip, 980.3 kBytes
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  • 98
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    (Table 5) Sea surface temperature reconstruction based on planktonic foraminifera sampled in surface sediments (2008)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Keywords: BC; BCR; Box corer; Box corer (Reineck); Depth, bathymetric; DEPTH, sediment/rock; GAP; GeoB9014-1; Giant box corer; GKG; Gravity corer (Kiel type); LATITUDE; LONGITUDE; M39/1; M39/1_02-3; M39/1_03-2; M39/1_04-2; M39/1_16-2; M39/1_17-4; M39/1_21-5; M39/1_22-3; M39/1_23-3; M39/1_29-6; M39/1_35-3; M39/1_58-1; M39/1_59-2; M39/1_70-1; M39/1_72-1; M39021-5; M39058-1; M39059-2; M39070-1; M39072-1; MARFLUX; Meteor (1986); Modern analog technique (MAT); Modern analog technique (MAT), SIMMAX28, non-distance-weighted; MUC; MultiCorer; Multicorer with television; North Atlantic; off Portugal; PALEO 1; Portuguese Margin; POS200/10; POS200/10_1-2; POS200/10_3-1; POS200/10_5-1; POS200/10_5-2; POS287; POS287_05-1B; POS287_08-1B; POS287_13-1B; POS287_15-1B; POS287_19-1B; POS287_21-1B; POS287_26-1B; POS287_27-1B; POS287_28-1B; POS287_33-1B; POS287_34-1B; POS287_40-1B; POS287_41-1B; Poseidon; Sample code/label; Sea surface temperature, summer; Sea surface temperature, summer residual; Sea surface temperature, winter; Sea surface temperature, winter residual; SL; SO10GK; SO11GK; SO175; SO75/3; SO75/3_13KG; SO75/3_15KG; SO75/3_25KG; SO75/3_30KG; SO75/3_33KG; SO75/3_9KG; SO7GK; SO83; SO83_10GK; SO83_11GK; SO83_7GK; Sonne; Transfer function (Imbrie & Kipp, 1971, in Turekian, Yale Univ Press); TVMUC
    Type: Dataset
    Format: text/tab-separated-values, 1876 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 99
    facet.materialart.
    Unknown
    δ18O and δ13C of Cibicidoides wuellerstorfi and related species and carbonate chemistry of ambient sea water (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-06
    Description: The δ13C composition of Cibicidoides wuellerstorfi and other Cibicidoides spp is an important tool to reconstruct past changes in the deep ocean carbon cycle. The species are expected to match the δ13C of ambient dissolved inorganic carbon (DIC), although it has been recognised that substantial offsets can occur. I present a compilation of Late Holocene δ13C and δ18O data for named Cibicidoides species in combination with fully resolved carbonate chemistry at each core location, with the aim to test if variation in isotope composition is related to ambient carbonate saturation. Stable isotope data were pre-screened to remove sections with mixed glacial-Holocene Cibicidoides specimens. The resultant database contains δ13C and δ18O data for C. wuellerstorfi from 252 globally distributed core localities and 29 localities for other named Cibicidoides species. Oceanographic data were compiled from published 1° x 1° gridded data sets, including a global reconstruction of pre-industrial δ13C-DIC and δ18O of ocean water. The expected carbonate δ18O was calculated using an empirical temperature equation for inorganic calcite. Concentrations of dissolved carbonate species and saturation state were calculated as a function of depth, salinity, and temperature.
    Keywords: 0010PG; 0016PG; 0021PG; 0026PG; 0029PG; 0032PG; 0036PG; 0038PG; 0050PG; 0055PG; 0058PG; 0066PG; 0071PG; 0075PG; 0082PG; 0091PG; 053-2; 054-1; 056-4; 057-1; 108-658; 108-659; 121-758; 130-805; 130-806; 138-846; 138-849; 162-980; 167-1011; 167-1012; 167-1018; 175-1087A; 17SL; 181-1119A; 181-1122C; 181-1123B; 181-1125A; 293; 311; 6-TOW; 6-TOW-001GGC; 6-TOW-002GGC; 6-TOW-003GGC; 6-TOW-005GGC; 6-TOW-006GGC; 6-TOW-007GGC; 6-TOW-008GGC; 6-TOW-011GGC; 6-TOW-011PC; 6-TOW-012GGC; 6-TOW-013GGC; 6-TOW-014GGC; 6-TOW-015GGC; 6-TOW-016GGC; 7SL; 90-594_Site; Agadir Canyon; Agulhas Basin; AII60-13APC; Akademik A. Vinogradov; Alkalinity, total; AMADEUS; ANT-IV/1c; ANT-IX/4; ANT-VI/3; ANT-VIII/3; ANT-XI/2; APSARA4; Area/locality; Atlantic; Atlantic Indik Ridge; Atlantic Ocean; Atlantic Ridge; AVI19-4; BC; BCR; Benguela Current, South Atlantic Ocean; Bicarbonate ion; BIGSET; Biscaya; BOFS11891#4; BOFS11896#1; BOFS11K; BOFS14K; BOFS26/6K; BOFS26#6; BOFS28/3K; BOFS28#3; BOFS29/1K; BOFS29#1; BOFS30/3K; BOFS30#3; BOFS31/1K; BOFS31#1; Bounty Trough, Southwest Pacific; Box corer; Box corer (Reineck); Brazil Basin; C618; C620; Calcite saturation state; Calcite saturation state, offset; calculated, 1 sigma; calculated iteratively from DIC and TA; CALYPSO; CALYPSO2; Calypso Corer; Calypso Corer II; Calypso Square Core System; Canarias Sea; Cape Basin; Carbon, inorganic, dissolved; Carbonate ion; carbonate saturation; Carbon dioxide, dissolved; CASQS; CD53; CEPAG; CH115-88; CH73-139; CH73-139C; CH74-227; CH7X; CH8X; Charles Darwin; CHAT 10K; CHIPAL; CHN115-70PC; CHN115-91PC; CHN82-15; Cibicidoides spp.; Cibicidoides wuellerstorfi; Comment; COMPCORE; Composite Core; Continental Slope Northeast Brazil; Core; CORE; D184; Discovery (1962); Discovery Seamount; DRILL; Drilling/drill rig; E20-18; E25-10; E424; E425; E426; E427; E435; E48; E75; E93; East Atlantic; eastern Romanche Fracture Zone; East Pacific; ELEVATION; EN06601; EN066-10PG; EN066-16PG; EN066-21PG; EN066-26PG; EN066-29PG; EN066-32PG; EN066-36PG; EN066-38PG; Endeavor; Equatorial Atlantic; ERDC; ERDC-077BX; ERDC-079BX; ERDC-083BX; ERDC-088BX; ERDC-092BX; ERDC-108BX; ERDC-112BX; ERDC-113P; ERDC-120BX; ERDC-123BX; ERDC-125BX; ERDC-128BX; ERDC-129BX; ERDC-131BX; ERDC-135BX; ERDC-136BX; ERDC-139BX; Event label; EW9209-1JPC; EW9302; EW9302-24GGC; EW9302-25GGC; EW9302-26GGC; F754; F755; F756; FBG; Foraminifera, benthic δ13C; Foraminifera, benthic δ13C, standard deviation; Foraminifera, benthic δ18O; Foraminifera, benthic δ18O, standard deviation; Fugacity of carbon dioxide in seawater; G179; G56; G664; GC; GeoB1032-2; GeoB1034-1; GeoB1035-3; GeoB1041-1; GeoB1101-4; GeoB1105-3; GeoB1112-3; GeoB1113-4; GeoB1115-3; GeoB1117-2; GeoB1118-2; GeoB1211-1; GeoB1214-1; GeoB16202-2; GeoB16203-1; GeoB16205-4; GeoB16206-1; GeoB3004-1; GeoB3388-1; GeoB4216-1; GeoB9508-5; GeoB9526-4; GEOFAR; GEOTROPEX 83, NOAMP I; GGC; Giant box corer; Giant gravity corer; GIK12301-5; GIK12308-2; GIK12309-1; GIK12310-3; GIK12325-4; GIK12326-2; GIK12327-2; GIK12328-5; GIK12329-6; GIK12337-4; GIK12347-1; GIK12379-3; GIK12392-1; GIK13289-1; GIK15612-2; GIK15651-4; GIK15669-1; GIK15672-1; GIK15676-2; GIK15677-1; GIK15678-1; GIK16004-1; GIK16006-1; GIK16017-2; GIK16030-1; GIK16402-1; GIK16408-5; GIK16415-1; GIK16453-2; GIK16455-1; GIK16457-1; GIK16459-1; GIK16771-2; GIK16772-1; GIK16773-1; GIK17045-3; GIK17049-6; GIK17051-3; GIK17055-1; GIK17747-2; GIK23414-9; GIK23415-9; GIK23416-4; GIK23417-1; GIK23419-8; GIK23519-4; GKG; Glomar Challenger; Gravity corer; Gravity corer (Kiel type); Greenland Sea; Guinea Basin; Gulf of Aden; H427; H534; H553; H567; HOTLINE, HYGAPE; IMAGES XV - Pachiderme; Indian Ocean; Iquique-Ridge; J1003; Jean Charcot; Joides Resolution; KAL; Kasten corer; KF16; KN07304-0003PG; KN07307; KN11002; KN197-03; Knorr; KNR110-50; KNR110-55; KNR110-58; KNR110-66; KNR110-71; KNR110-75; KNR110-82; KNR110-91; KNR197-3; KNR197-3-10MC; KNR197-3-17MC; KNR197-3-24MC; KNR197-3-26MC; KNR197-3-28MC; KNR197-3-2MC; KNR197-3-30MC; KNR197-3-33MC; KNR197-3-35MC; KNR197-3-37MC; KNR197-3-41MC; KNR197-3-61MC; KNR197-3-63MC; KNR197-3-7MC; KOL; KT89-18-P4; KT92-17; KT92-17_PC16; KT92-17_St14; Lakshadweep Sea; LATITUDE; Leg108; Leg121; Leg130; Leg138; Leg162; Leg167; Leg175; Leg181; Leg90; Le Noroit; Le Suroît; LONGITUDE; M11/1; M12/1; M12392-1; M17/2; M23414; M25; M31/3; M31/3-107_GC; M37/1; M53; M53_169; M53_172; M57; M6/5; M6/6; M60; M65; M65/1; M9/4; Maria S. Merian; Marion Dufresne (1972); Marion Dufresne (1995); MATACORE; Maurice Ewing; MD02-2588; MD02-2588Q; MD062986; MD06-2986; MD06-3018; MD07-3076; MD07-3076Q; MD07-3119; MD128; MD13; MD152; MD159; MD77-171; MD77-194; MD77-203; MD79-254; MD79-256; MD88-769; MD88-770; Meteor (1964); Meteor (1986); Meteor Rise; MIDLANTE2; Moana Wave; MSM20/3; MUC; MultiCorer; MW9109; MW9109-13BC; MW9109-16BC; MW9109-33BC; MW9109-37BC; MW9109-53BC; MW9109-58BC; MW9109-59BC; MW9109-63BC; MW9109-66BC; MW9109-7BC; NO77/79; NO82-13; North Atlantic; Northeast Atlantic; North Pacific Ocean; Norwegian Sea; Number of samples; off West Africa; OSIRIS4; OSIRIS III; Pacific; Pacific Ocean; PALEOCINAT; PC; PE_MR97-4-3; pH; Philippine Sea; Photo grab; Piston corer; Piston corer (Kiel type); PO200-10-28-1; Polarstern; POS200/10; POS200/10_28-1; POS200/10_8-2; POS210/2; Poseidon; PS08; PS12; PS12/555; PS16; PS16/262; PS16/267; PS16/271; PS16/303; PS16/306; PS16/329; PS16/334; PS1653-2; PS1750-7; PS1751-2; PS1752-5; PS1764-2; PS1765-1; PS1774-1; PS1775-5; PS18; PS18/229; PS18/231; PS18/232; PS18/237; PS18/244; PS18/257; PS18/261; PS18/262; PS18/264; PS2073-1; PS2075-3; PS2076-1; PS2081-1; PS2087-1; PS2099-1; PS2103-2; PS2104-1; PS2106-1; PS2498-1; PS28; PS28/304; Q208; Q213; Q581; R623; R657; RAMA; RAMA03WT; RAMA-44P; RC12; RC12-225; RC13; RC13-110; RC15; RC15-52; RC16; RC16-119; RC16-84; Reference/source; RNDB-11GGC; RNDB-11PC; RNDB-12GGC; RNDB-13GGC; RNDB-14GGC; RNDB-15GGC; RNDB-16GGC; RNDB-1GGC; RNDB-2GGC; RNDB-3GGC; RNDB-5GGC; RNDB-6GGC; RNDB-7GGC; RNDB-8GGC; Robert Conrad; RS67-GC13; RS67-GC16; RS67-GC27; RS67-GC3; RS78-GC18; S924; S925; S938; Salinity; Shona Ridge; Sierra Leone Basin/Guinea Basin; SK129-CR2; SK157_GC_14; SL; SO102/2; SO136; SO136_003GC; SO36/2; SO36/2_17SL; SO36/2_7SL; SO80_2; SO80a; Sonne; South Atlantic; South Atlantic Ocean; Southern East Pacific Rise; Southern Ocean; South Pacific; South Pacific/CONT RISE; South Pacific Ocean; South Tasman Rise; SPC; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Sphincter corer; SU81-32; SU90-03; SU90-11; SU90-39; SUBTROPEX 82; SWAF; Tansei Maru; TASQWA; Temperature, water; Thomas Washington; TTN057-6; U938; U951; Uniform resource locator/link to source data file; V18; V18-222; V19; V19-27; V19-41; V19-55; V20; V20-133; V24; V24-253; V25; V25-59; V28; V28-14; V29; V29-135; V30; V30-49; VA-10/3; Valdivia (1961); Van Heesen Ridge; van Veen Grab; Vema; Vema Channel; VGRAB; Vi-26BC; Vi-35GC; Vi-37GC; VINO-26BC; VINO-35GGC; VINO-37GGC; W266; W268; W272; W8402A; W8402A-14; Walvis Ridge; Wecoma; Δδ13C; Δδ18O; δ13C, dissolved inorganic carbon; δ18O; δ18O, seawater, reconstructed; ẟ13C; ẟ18O
    Type: Dataset
    Format: text/tab-separated-values, 7877 data points
    Location Call Number Expected Availability
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  • 100
    facet.materialart.
    Unknown
    Basic and other measurements of radiation at station Toravere (2020-06) (2021)
    PANGAEA
    In:  Tartu Observatoorium, Toravere
    Details
    Publication Date: 2024-06-06
    Keywords: Baseline Surface Radiation Network; BSRN; DATE/TIME; Diffuse radiation; Diffuse radiation, maximum; Diffuse radiation, minimum; Diffuse radiation, standard deviation; Direct radiation; Direct radiation, maximum; Direct radiation, minimum; Direct radiation, standard deviation; Estonia; HEIGHT above ground; Kipp & Zonen, SMP21-V, SN 170011, WRMC No. 9043; Long-wave downward radiation; Long-wave downward radiation, maximum; Long-wave downward radiation, minimum; Long-wave downward radiation, standard deviation; Long-wave upward radiation; Long-wave upward radiation, maximum; Long-wave upward radiation, minimum; Long-wave upward radiation, standard deviation; Monitoring station; MONS; Pyranometer, Kipp & Zonen, CMP21, SN 080074, WRMC No. 9041; Pyranometer, Kipp & Zonen, CMP21, SN 140442, WRMC No. 9042; Pyrgeometer, Eppley, PIR, SN 26802F3, WRMC No. 9037; Pyrgeometer, Kipp & Zonen, CGR4, SN 130660, WRMC No. 9039; Pyrheliometer, Kipp & Zonen, CHP 1, SN 140209, WRMC No. 9040; Short-wave downward (GLOBAL) radiation; Short-wave downward (GLOBAL) radiation, maximum; Short-wave downward (GLOBAL) radiation, minimum; Short-wave downward (GLOBAL) radiation, standard deviation; Short-wave upward (REFLEX) radiation; Short-wave upward (REFLEX) radiation, maximum; Short-wave upward (REFLEX) radiation, minimum; Short-wave upward (REFLEX) radiation, standard deviation; TOR; Toravere
    Type: Dataset
    Format: text/tab-separated-values, 1036800 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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