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  • 2000-2004  (1,611,668)
  • 1985-1989  (1,263,486)
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  • 1
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    PANGAEA
    In:  Supplement to: Mendoza, Irene; Peres, Carlos Augusto; Morellato, Leonor Patricia C (2016): Continental-scale patterns and climatic drivers of fruiting phenology: A quantitative Neotropical review. Global and Planetary Change, https://doi.org/10.1016/j.gloplacha.2016.12.001
    Publication Date: 2024-06-23
    Description: Changes in the life cycle of organisms (i.e. phenology) are one of the most widely used early-warning indicators of climate change, yet this remains poorly understood throughout the tropics. We exhaustively reviewed any published and unpublished study on fruiting phenology carried out at the community level in the American tropics and subtropics (latitudinal range: 26°N?26°S) to (1) provide a comprehensive overview of the current status of fruiting phenology research throughout the Neotropics; (2) unravel the climatic factors that have been widely reported as drivers of fruiting phenology; and (3) provide a preliminary assessment of the potential phenological responses of plants under future climatic scenarios. Despite the large number of phenological datasets uncovered (218), our review shows that their geographic distribution is very uneven and insufficient for the large surface of the Neotropics (~ 1 dataset per ~ 78,000 km2). Phenological research is concentrated in few areas with many studies (state of São Paulo, Brazil, and Costa Rica), whereas vast regions elsewhere are entirely unstudied. Sampling effort in fruiting phenology studies was generally low: the majority of datasets targeted fewer than 100 plant species (71%), lasted 2 years or less (72%), and only 10.4% monitored 〉 15 individuals per species. We uncovered only 10 sites with ten or more years of phenological monitoring. The ratio of numbers of species sampled to overall estimates of plant species richness was wholly insufficient for highly diverse vegetation types such as tropical rainforests, seasonal forest and cerrado, and only slightly more robust for less diverse vegetation types, such as deserts, arid shrublands and open grassy savannas. Most plausible drivers of phenology extracted from these datasets were environmental (78.5%), whereas biotic drivers were rare (6%). Among climatic factors, rainfall was explicitly included in 73.4% of cases, followed by air temperature (19.3%). Other environmental cues such as water level (6%), solar radiation or photoperiod (3.2%), and ENSO events (1.4%) were rarely addressed. In addition, drivers were analyzed statistically in only 38% of datasets and techniques were basically correlative, with only 4.8% of studies including any consideration of the inherently autocorrelated character of phenological time series. Fruiting peaks were significantly more often reported during the rainy season both in rainforests and cerrado woodlands, which is at odds with the relatively aseasonal character of the former vegetation type. Given that climatic models predict harsh future conditions for the tropics, we urgently need to determine the magnitude of changes in plant reproductive phenology and distinguish those from cyclical oscillations. Long-term monitoring and herbarium data are therefore key for detecting these trends. Our review shows that the unevenness in geographic distribution of studies, and diversity of sampling methods, vegetation types, and research motivation hinder the emergence of clear general phenological patterns and drivers for the Neotropics. We therefore call for prioritizing research in unexplored areas, and improving the quantitative component and statistical design of reproductive phenology studies to enhance our predictions of climate change impacts on tropical plants and animals.
    Keywords: Area/locality; Biome; Code; Country; Duration; Feces; Frequency; Herbarium; Herbs; Identification; Individuals; Latin_America; LATITUDE; Liana; LONGITUDE; Number of species; Number of trap; Observation; Peak of fruiting; Plant, others; Reference/source; Shrubs; Surface of trap; Trees; Uniform resource locator/link to reference; Vegetation type
    Type: Dataset
    Format: text/tab-separated-values, 4889 data points
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  • 2
    Publication Date: 2024-06-23
    Description: A deciduous shrub previously included in Ficus talbotii for many years, is now regarded as a new species, Ficus pongumphaii. It is morphologically distinct from F. talbotii with as typical characters the densely brown pubescent to tomentose or villous on leafy twig; the elliptic, suborbicular to obovate leaf blades that are brown tomentellous on the upper surface and brown floccose tomentose to villous underneath; the pedunculate figs are obovate, brown floccose or villous outside and have internal hairs. The leaf anatomy shows a multiple epidermis on both surfaces; enlarged lithocysts on both sides of the lamina, which are more abundant adaxially and with very few abaxially. The species, endemic to Thailand, is named after the great Thai dendrologist, Associate Professor Somnuek Pongumphai.
    Keywords: Ficus ; leaf anatomy ; Moraceae ; new species
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 3
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    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 64 no. 3, pp. 225-230
    Publication Date: 2024-06-23
    Description: An identification key to all the reported species of Hedyotis-Oldenlandia group (Hedyotis, Oldenlandia, Exallage, Leptopetalum, Scleromitrion and Debia) in Andaman & Nicobar Islands is presented with one new species, Oldenlandia smita-crishnae, described from Saddle Peak forests of North Andaman, India. It shares some characters with Oldenlandia herbacea, O. corymbosa and O. pseudocorymbosa. However, it is remarkable for its abaxially puberulous leaves, divaricate stipules, ellipsoid to obovoid hypanthium, pink-striped corolla lobes and 20–30-seeded, inserted capsule. Furthermore, a new combination in Exallage is proposed and lectotypes for Spermacoce cristata, S. costata, Hedyotis vestita and Oldenlandia stocksii are designated.
    Keywords: Andaman & Nicobar Islands ; Hedyotis-Oldenlandia ; India ; new species ; typification
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 4
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    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 64 no. 2, pp. 140-157
    Publication Date: 2024-06-23
    Description: The genus Vanoverberghia currently includes three species namely V. sepulchrei and V. rubrobracteata from the Philippines and V. sasakiana from Taiwan. New material targeting the Alpinia eubractea clade of the tribe Alpinieae was used to test the monophyly of Vanoverberghia.Acombined analysis of the ITS and trnK/matK regions reveals that these three species form a strongly supported monophyletic clade with Alpinia diversifolia and Alpinia vanoverberghii. The morphological descriptions of all species were updated after examining recent collections and comparing with types and protologues. The original description of A. diversifolia did not include information on the flowers which are described here. The morphology of A. diversifolia and A. vanoverberghii is for most parts in accordance with the previous perception of the genus but a few characters are added and a recircumscription of Vanoverberghia is subsequently provided here. Vanoverberghia diversifolia is reinstated and A. vanoverberghii is combined in Vanoverberghia. Furthermore, collections from northern Luzon documents the presence of V. sasakiana and all species of Vanoverberghia thus occur in the Philippines. A key to the five species is provided including a comprehensive taxonomic revision and designation of three lectotypes.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Alpinia ; ITS ; Lanyu ; Luzon ; new species record ; trnK/matK
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 5
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    PANGAEA
    In:  Supplement to: Chivas, Allan R; Garcia, Adriana; van der Kaars, Sander; Couapel, Martine JJ; Holt, Sabine; Reeves, Jessica M; Wheeler, David J; Switzer, Adam D; Murray-Wallace, Colin V; Banerjee, Debabrata; Price, David M; Wang, Sue X; Pearson, Grant; Edgar, N Terry; Beaufort, Luc; De Deckker, Patrick; Lawson, Ewan; Cecil, C Blaine (2001): Sea-level and environmental changes since the last interglacial in the Gulf of Carpentaria, Australia: an overview. Quaternary International, 83-85, 19-46, https://doi.org/10.1016/S1040-6182(01)00029-5
    Publication Date: 2024-06-22
    Description: The Gulf of Carpentaria is an epicontinental sea (maximum depth 70 m) between Australia and New Guinea, bordered to the east by Torres Strait (currently 12 m deep) and to the west by the Arafura Sill (53 m below present sea level). Throughout the Quaternary, during times of low sea-level, the Gulf was separated from the open waters of the Indian and Pacific Oceans, forming Lake Carpentaria, an isolation basin, perched above contemporaneous sea-level with outlet channels to the Arafura Sea. A preliminary interpretation is presented of the palaeoenvironments recorded in six sediment cores collected by the IMAGES program in the Gulf of Carpentaria. The longest core (approx. 15 m) spans the past 130 ka and includes a record of sea-level/lake-level changes, with particular complexity between 80 and 40 ka when sea-level repeatedly breached and withdrew from Gulf/Lake Carpentaria. Evidence from biotic remains (foraminifers, ostracods, pollen), sedimentology and geochemistry clearly identifies a final marine transgression at about 9.7 ka (radiocarbon years). Before this transgression, Lake Carpentaria was surrounded by grassland, was near full, and may have had a surface area approaching 600 km-300 km and a depth of about 15 m. The earlier rise in sea-level which accompanied the Marine Isotopic Stage 6/5 transgression at about 130 ka is constrained by sedimentological and biotic evidence and dated by optical- and thermoluminescence and amino acid racemisation methods.
    Keywords: CALYPSO; Calypso Corer; IMAGES; IMAGES III - IPHIS; International Marine Global Change Study; Marion Dufresne (1995); MD106; MD972128; MD97-2128; MD972129; MD97-2129; MD972130; MD97-2130; MD972131; MD97-2131; MD972132; MD97-2132; MD972133; MD97-2133
    Type: Dataset
    Format: application/zip, 31 datasets
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  • 6
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    PANGAEA
    In:  Supplement to: Villani, Fabio; Pucci, Stefano; Azzaro, Raffaele; Civico, Riccardo; Cinti, Francesca Romana; Pizzimenti, Luca; Tarabusi, Gabriele; Branca, Stefano; Brunori, Carlo Alberto; Caciagli, Marco; Cantarero, Massimo; Cucci, Luigi; D'Amico, Salvatore; De Beni, Emanuela; De Martini, Paolo Marco; Mariucci, Maria Teresa; Messina, A; Montone, Paola; Nappi, Rosa; Nave, Rosella; Pantosti, Daniela; Ricci, Tullio; Sapia, Vincenzo; Smedile, Alessandra; Vallone, Roberto; Venuti, Alessandra (2020): Surface ruptures database related to the 26 December 2018, MW 4.9 Mt. Etna earthquake, southern Italy. Scientific Data, 7(1), 42, https://doi.org/10.1038/s41597-020-0383-0
    Publication Date: 2024-06-22
    Description: We provide a database of the coseismic surface ruptures produced by the 26 December 2018 Mw 4.9 earthquake that struck the eastern flank of Mt. Etna (southern Italy), the largest active volcano in Europe. Despite its small size, this shallow earthquake caused an impressive system of coseismic surface ruptures extending about 8.5 km, along the trace of the NNW-trending active Fiandaca Fault. We performed detailed field surveys were performed in the epicentral region to describe the ruptures geometry and kinematics. These exhibit a dominant right-oblique sense of slip with coseismic displacement peaks of 0.35 m. The Fiandaca Fault is part of a complex active faults system affecting the eastern flank of Mt. Etna. Its seismic history indicates a prominent surface-faulting potential, so our study is essential for unravelling the seismotectonics of shallow earthquakes in volcanic settings, and contributes updating empirical scaling laws relating moderate-sized earthquakes and surface faulting. The collected observations have been parsed and organized in a concise database consisting of 874 homogeneous georeferenced records. The main features describing the coseismic ruptures are the following: ID, time of sample collection, location (latitude, longitude, elevation), type of rupture, type of affected substratum, attitude (dip angle, dip direction, strike), surface offset (opening, throw, strike slip, net slip), kinematics, slip vector attitude, width of the deformation zone.
    Keywords: Angle; Compass; DATE/TIME; Direction; earthquake; ELEVATION; Etna; ETNA; Fiandaca fault; Kinematics; LATITUDE; Length; LONGITUDE; Mount Etna, Sicily, Italia; Observation; Offset; Opening; ORDINAL NUMBER; Plunge; rupture; Strike; Strike-slip; Substratum; surface faulting; Throw; Trend; volcano; Width
    Type: Dataset
    Format: text/tab-separated-values, 6893 data points
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  • 7
    Publication Date: 2024-06-22
    Keywords: Ammomassilina alveoloniformis; Ammonia beccarii; Ammonia convexa; Ammonia spp.; Asterorotalia gaimardii; Asterorotalia milletti; Bolivina glutinata; CALYPSO; Calypso Corer; Cibicides refulgens; Counting 〉125 µm fraction; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elphidium carpentariensis; Elphidium reticulosum; Elphidium simplex; Gallitellia vivans; Haynesina depressula simplex; Heterolepa cf. subhaidingerii; IMAGES; IMAGES III - IPHIS; International Marine Global Change Study; Loxostomina costataperusa; Marion Dufresne (1995); MD106; MD972128; MD97-2128; Pararotalia calcariformata; Pararotalia sp.; Quinqueloculina cf. incisa; Quinqueloculina tropicalis; Quinqueloculina tubilocula; Schackoinella globosa; Textularia sp.
    Type: Dataset
    Format: text/tab-separated-values, 264 data points
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  • 8
    Publication Date: 2024-06-22
    Keywords: Calcium carbonate; CALYPSO; Calypso Corer; Carbon, organic, total; Carbon/Nitrogen ratio; DEPTH, sediment/rock; IMAGES; IMAGES III - IPHIS; International Marine Global Change Study; Marion Dufresne (1995); MD106; MD972128; MD97-2128; Nitrogen, organic; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 136 data points
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  • 9
    Publication Date: 2024-06-22
    Keywords: Calcium carbonate; CALYPSO; Calypso Corer; Carbon, organic, total; Carbon/Nitrogen ratio; DEPTH, sediment/rock; IMAGES; IMAGES III - IPHIS; International Marine Global Change Study; Marion Dufresne (1995); MD106; MD972129; MD97-2129; Nitrogen, organic; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 155 data points
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  • 10
    Publication Date: 2024-06-22
    Keywords: Ammomassilina alveoloniformis; Ammonia beccarii; Ammonia convexa; Ammonia spp.; Asterorotalia gaimardii; Bolivina glutinata; Bolivina vadescens; CALYPSO; Calypso Corer; Counting 〉125 µm fraction; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elphidium advenum; Elphidium carpentariensis; Elphidium reticulosum; Facetocochlea pulchra; Gallitellia vivans; Haynesina depressula simplex; IMAGES; IMAGES III - IPHIS; International Marine Global Change Study; Lachlanella compressiostoma; Loxostomina costataperusa; Marion Dufresne (1995); MD106; MD972131; MD97-2131; Murrayinella murrayi; Pararotalia calcariformata; Pararotalia sp.; Pseudorotalia angusta; Quinqueloculina philippinensis; Schackoinella globosa; Textularia secasensis; Textularia sp.
    Type: Dataset
    Format: text/tab-separated-values, 275 data points
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