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  • 2020-2024  (166,913)
  • 2015-2019  (4,201,790)
  • 1945-1949  (130,850)
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  • 11
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    Effects of ocean acidification on larval swimming behaviour of the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-15
    Description: The objective of this study is to determine the effects of ocean acidification (OA) on the survival, development and swimming behaviour of embryos of the deep-sea coral Desmophyllum pertusum (syn. Lophelia pertusa). Upon spawning, fertilized embryos were collected and exposed to two pCO2 treatments corresponding to present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under scenario IPCC RCP8.5 for the end of the century (1000 ppm). We monitored survival daily and we measured swimming velocity on day 9 after spawning. Temperature and pH were measured every 24h, salinity was measured every other day, and water samples were collected during the first and last day of the experiment to determine total alkalinity (TA). This dataset includes data on the effects of ocean acidification on swimming velocity of larvae of the deep-sea coral Desmophyllum pertusum. Embryos were exposed to two acidification (pCO2) treatments: present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under RCP8.5 for the end of the century (1000 ppm). After rearing the embryos in the respective treatments for nine days, we recorded the swimming behaviour of larvae with a video camera. Videos were analyzed with manual particle tracking, and here we report the swimming velocity and total traveled distance of larvae in each experimental treatment.
    Keywords: ASSEMBLE_Plus; Association of European Marine Biological Laboratories Expanded; Climate change; cold-water coral; DATE/TIME; Deep sea; early life history; early life stages; iAtlantic; Image analysis, NIH ImageJ, MTrackJ plugin; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Larvae; larval behaviour; physiology; Remote operated vehicle; ROV; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Speed, swimming; Swim distance; Time in hours; Tisler_Sampling_Lophelia_pertusa_4; Tisler_Sampling_Lophelia_pertusa_6; Tisler Reef, Skagerrak; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 480 data points
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  • 12
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    Effects of ocean acidification on larval survival rates of the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-15
    Description: The objective of this study is to determine the effects of ocean acidification (OA) on the survival, development and swimming behaviour of embryos of the deep-sea coral Desmophyllum pertusum (syn. Lophelia pertusa). Upon spawning, fertilized embryos were collected and exposed to two pCO2 treatments corresponding to present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under scenario IPCC RCP8.5 for the end of the century (1000 ppm). We monitored survival daily and we measured swimming velocity on day 9 after spawning. Temperature and pH were measured every 24h, salinity was measured every other day, and water samples were collected during the first and last day of the experiment to determine total alkalinity (TA). This dataset includes data on the effects of OA on embryo and larval survival of the deep-sea coral Desmophyllum pertusum. Embryos (age: first cleavage and 2 cell stage) were exposed to two acidification (pCO2) treatments: present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under RCP8.5 for the end of the century (1000 ppm) and reared for a total of nine days. We counted embryos and larvae daily to determine larval survival under the two treatments.
    Keywords: ASSEMBLE_Plus; Association of European Marine Biological Laboratories Expanded; Climate change; cold-water coral; DATE/TIME; Deep sea; early life history; early life stages; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Larvae; larval behaviour; pH; pH meter, Mettler Toledo, Seven2Go pH /Ion meter S8; physiology; Remote operated vehicle; Replicate; ROV; Salinity; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Temperature, water; Time in hours; Tisler_Sampling_Lophelia_pertusa_4; Tisler_Sampling_Lophelia_pertusa_6; Tisler Reef, Skagerrak; Treatment; Visual counts
    Type: Dataset
    Format: text/tab-separated-values, 1116 data points
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  • 13
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    Health status of dab (Limanda limanda) exposed to dumped munition in German coastal waters (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-15
    Description: Conventional munition dumped into the North Sea and the Baltic Sea close to the German coastline is corroding. A major concern is that biota, including fish, are negatively affected by toxic explosives leaking into marine environments. With the present study, we investigated fish living in close proximity to munition dumping sites for contamination and for signs of health impairments. The flat fish species common dab (Limanda limanda) was used as a model, since it lives in the vicinity of dumping sites and exhibits minor migratory activity. Various health indicators (body condition factors, externally visible fish diseases, parasites or liver anomalies) were investigated.
    Keywords: Baltic Sea; Borkum; Calculated; CLU355; CLU355_1; CLU355_2; CLU355_3; CLU355_4; CLU364; CLU364_1; CLU364_2; CLU364_3; CLU364_4; CLU367; CLU367_1; CLU367_2; CLU376; CLU376_1; CLU376_3; CLU376_4; CLU376_5; CLU376_6; Clupea; CONMAR; Cruise/expedition; DAM sustainMare - CONMAR: CONcepts for conventional MArine Munition Remediation in the German North and Baltic Sea; DATE/TIME; Demersal fish trawl; DEPTH, water; Determined by visual inspection of otholiths; diseases; Event label; fish health; Fish measuring board; FTRW-D; Gillnet; GN; Haffkrug North; Heligoland West-North-West; Kolberger Heide; Kolberger Heide East; Kolberger Heide West; Langeoog; LATITUDE; Limanda limanda, age; Limanda limanda, condition factor; Limanda limanda, dark melonoma, presence/absence; Limanda limanda, epidermal papilloma, presence/absence; Limanda limanda, fin rot, presence/absence; Limanda limanda, lipoma, presence/absence; Limanda limanda, liver anomalies, presence/absence; Limanda limanda, lymphocystis, presence/absence; Limanda limanda, mass; Limanda limanda, presence/absence of Acanthochondria cornuta; Limanda limanda, presence/absence of Cryptocotyle lingua; Limanda limanda, presence/absence of Lepeophtheirus pectoralis; Limanda limanda, presence/absence of Myxospora; Limanda limanda, presence/absence of Stephanostomum baccatum; Limanda limanda, sex; Limanda limanda, skeletal deformation, presence/absence; Limanda limanda, skin ulceration, presence/absence; Limanda limanda, total length; Limanda limanda, white hyperpigmentation, presence/absence; Limanda limanda, x-cell gill disease, presence/absence; Location; Location ID; LONGITUDE; Norderney North; North Sea; parasites; Pelzerhaken East; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; Scale; Scharhörn reef; Schleimünde North-East; SOL816; SOL816_1; SOL816_2; SOL816_3; SOL816_4; SOL816_5; SOL816_6; SOL816_7; SOL816_8; SOL816_9; Solea (2004); Spiekeroog fairway North; Spiekeroog North; sustainMare; Visual observation; Wangerooge North; Wangerooge North, Minsener Oog; Weser mouth
    Type: Dataset
    Format: text/tab-separated-values, 9323 data points
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  • 14
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    Seawater carbonate chemistry and stable carbon isotope composition of DIC over a 27 + h period from Tetiaroa Atoll, French Polynesia (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-15
    Description: In this pilot study, we use co-located semi-hourly measurements of total dissolved inorganic carbon (DIC), total alkalinity, and the stable carbon isotope composition of DIC (δ13CDIC) over a 27 + h period from Tetiaroa Atoll, French Polynesia, to investigate the potential for reef carbonate chemistry to record information related to benthic photosynthetic community composition and response to natural gradients in ambient acidity and dissolved carbon dioxide. 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 Mendeley Data (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 2024-05-17.
    Keywords: Alkalinity, total; Aragonite saturation state; Benthos; Bicarbonate ion; 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; Entire community; Field observation; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Isotopic fractionation factor; Isotopic fractionation factor, standard deviation; Local Time; Motu_Onetahi; 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; Rocky-shore community; Salinity; South Pacific; Temperature, water; Tropical; Type of study; δ13C, dissolved inorganic carbon
    Type: Dataset
    Format: text/tab-separated-values, 246 data points
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  • 15
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    11 landmark coordinates of Globorotalia inflata oriented in the laterall view from plankton tow samples (2016)
    PANGAEA
    Details
    Publication Date: 2024-06-15
    Keywords: AMT5; AMT5_36; AMT5_38; AMT5_40; AMT5_42; AMT5_44; DEPTH, water; Depth comment; Elevation of event; Event label; Genotype; Globorotalia inflata, landmark coordinates; Globorotalia inflata, major axis length; James Clark Ross; Latitude of event; Longitude of event; Net; NET; Number of specimens; Positioning type/details; Sample code/label; SDY285, CTD-24; SDY286, CTD-25; SDY287, CTD-26; SDY288, CTD-28; SDY289, CTD-30
    Type: Dataset
    Format: text/tab-separated-values, 3915 data points
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  • 16
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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: 2024-06-14
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 17
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    The MOSES Sternfahrt Expeditions of the Research Vessels ALBIS, LITTORINA, LUDWIG PRANDTL and MYA II to the Elbe River, Elbe Estuary and German Bight in 2023 (2024)
    Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
    In:  EPIC3Berichte zur Polar- und Meeresforschung = Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, 786, 65 p., pp. 1-65, ISSN: 1866-3192
    Details
    Publication Date: 2024-06-14
    Repository Name: EPIC Alfred Wegener Institut
    Type: "Berichte zur Polar- und Meeresforschung" , notRev
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  • 18
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    Drivers of winter ice formation on Arctic water bodies in the Lena Delta, Siberia (2024)
    Taylor & Francis
    In:  EPIC3Arctic Antarctic and Alpine Research, Taylor & Francis, 56(1), pp. 2350546-2350546, ISSN: 1523-0430
    Details
    Publication Date: 2024-06-14
    Description: Arctic landscapes are characterized by diverse water bodies, which are covered with ice for most of the year. Ice controls surface albedo, hydrological properties, gas exchange, and ecosystem services, but freezing processes differ between water bodies. We studied the influence of geomor-phology and meteorology on winter ice of water bodies in the Lena Delta, Siberia. Electrical conductivity (EC) and stable water isotopes of ice cores from four winters and six water bodies were measured at unprecedented resolution down to 2-cm increments, revealing differences in freezing systems. Open-system freezing shows near-constant isotopic and EC gradients in ice, whereas closed-system freezing shows decreasing isotopic composition with depth. Lena River ice displays three zones of isotopic composition within the ice, reflecting open-system freezing that records changing water sources over the winter. The isotope composition of ice covers in landscape units of different ages also reflects the individual water reservoir settings (i.e., Pleistocene vs. Holocene ground ice thaw). Ice growth models indicate that snow properties are a dominant determinant of ice growth over winter. Our findings provide novel insights into the winter hydro-chemistry of Arctic ice covers, including the influences of meteorology and water body geomor-phology on freezing rates and processes.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 19
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    An Assessment of CO2 Storage and Sea‐Air Fluxes for the Atlantic Ocean and Mediterranean Sea Between 1985 and 2018 (2024)
    American Geophysical Union (AGU)
    In:  EPIC3Global Biogeochemical Cycles, American Geophysical Union (AGU), 38(4), ISSN: 0886-6236
    Details
    Publication Date: 2024-06-14
    Description: As part of the second phase of the Regional Carbon Cycle Assessment and Processes project (RECCAP2), we present an assessment of the carbon cycle of the Atlantic Ocean, including the Mediterranean Sea, between 1985 and 2018 using global ocean biogeochemical models (GOBMs) and estimates based on surface ocean carbon dioxide (CO2) partial pressure (pCO2 products) and ocean interior dissolved inorganic carbon observations. Estimates of the basin-wide long-term mean net annual CO2 uptake based on GOBMs and pCO2 products are in reasonable agreement (−0.47 ± 0.15 PgC yr−1 and −0.36 ± 0.06 PgC yr−1, respectively), with the higher uptake in the GOBM-based estimates likely being a consequence of a deficit in the representation of natural outgassing of land derived carbon. In the GOBMs, the CO2 uptake increases with time at rates close to what one would expect from the atmospheric CO2 increase, but pCO2 products estimate a rate twice as fast. The largest disagreement in the CO2 flux between GOBMs and pCO2 products is found north of 50°N, coinciding with the largest disagreement in the seasonal cycle and interannual variability. The mean accumulation rate of anthropogenic CO2 (Cant) over 1994–2007 in the Atlantic Ocean is 0.52 ± 0.11 PgC yr−1 according to the GOBMs, 28% ± 20% lower than that derived from observations. Around 70% of this Cant is taken up from the atmosphere, while the remainder is imported from the Southern Ocean through lateral transport.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 20
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    Two new Kongsbergia species from the Western Himalaya with a key to the species of the genus from India (Acari: Hydrachnidia, Aturidae) (2024)
    Institute for Biodiversity and Ecology
    In:  Ecologica Montenegrina vol. 74, pp. 1-8
    Details
    Publication Date: 2024-06-14
    Description: In this paper, two species of the water mite genus Kongsbergia Thor, 1899 (Aturidae), i.e., K. uttarakhandensis Pešić & Smit n. sp. and K. tuzovskiji Pešić & Smit n. sp. are described from streams in Uttarakhand State of India. The latter species was named after late Dr Petr Tuzovskij for his outstanding contribution to the research of water mites.
    Keywords: Acari ; water mites ; taxonomy ; Himalayas ; new species ; streams
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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