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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 88 (1979), S. 117-123 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2024-01-09
    Description: The relative importance of sea ice algal-based production is often vital for studies about climate change impacts on Arctic marine ecosystems. The relevance of sea ice algal production for different parts of the polar ecosystem, ranging from key pelagic grazers to mammals and assessing the overall strength of sympagic-pelagic or sympagic-benthic coupling has been extensively studied. The key interest in all these studies is quantifying the relative importance of biomass produced by sea ice algae (as opposed to phytoplankton) for higher trophic level production. Different types of trophic markers are widely applied to analyse food web structure, based on numerous assumptions of how sea ice algae differ biochemically from phytoplankton. Several types of lipid biomarkers and stable isotope ratios are widely used for tracing sea ice associated (sympagic) vs. pelagic particulate organic matter (POM) in marine food webs. Beside the typical proximate data (POC, Chl-a, DIC, Biomass), we analysed fatty acids, highly branched isoprenoids (HBIs), stable isotope ratios of particulate organic carbon (POC) (δ13C), as well as δ13C of selected marker fatty acids during an Arctic sea ice algal bloom, focusing on spatial and temporal variability. Sampling was conducted on landfast ice near the settlement of Svea, in Van Mijenfjorden, Spitsbergen from 7 April to 5 May. A sea ice observatory was installed close to the deepest part of the inner basin on 8th of March providing background data for the entire study period on sea ice thickness, snow cover, and transmittance. Sea ice algal development was followed by sampling different stations in the inner basin from early March to early May 2017, including a spatial distribution along a transect starting from a very shallow station close to the shore (IS) to the mid-fjord station VMF2. The aim of our study was to document the spatial and temporal variability of different lipid and stable isotope-based trophic markers during an ice algal spring bloom and relate it to environmental conditions, as well as taxonomic composition. We then use these data to compare and contrast the reliability of each approach to distinguish between sympagic and pelagic POM.
    Keywords: bulk and compound-specific isotope analysis; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; fatty acid; highly branched isoprenoid (HBI); H-Print; IP25; Lipid; stable isotope ratio; Trophic marker
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 3
    Publication Date: 2024-01-31
    Keywords: 6,9,12,15-Hexadecatetraenoic acid, δ13C; all-cis-4,7,10,13,16,19-Docosahexaenoic acid, δ13C; all-cis-5,8,11,14,17-Eicosapentaenoic acid, δ13C; AWI Arctic Land Expedition; bulk and compound-specific isotope analysis; cis-11-Octadecenoic acid, δ13C; cis-9-Hexadecenoic acid, δ13C; cis-9-Octadecenoic acid, δ13C; Core; DATE/TIME; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; DEPTH, water; Device type; Elevation of event; Event label; FAAB1703_MS-2; FAAB1703_VMF3; FAAB1703_VMF9; FAAB1704_IM; FAAB1704_IS; FAAB1704_MS; FAAB1704_VMF1-2; FAAB1704_VMF1b; FAAB1704_VMF2-2; FAAB1704_VMF2b; FAAB1704_VMF5; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2017; fatty acid; Hexadecanoic acid, δ13C; highly branched isoprenoid (HBI); H-Print; IM; IP25; IS; Latitude of event; Lipid; Longitude of event; MS; Octadecanoic acid, δ13C; Sample ID; SEAICEC; Sea ice corer; Snow type; stable isotope ratio; Station label; Svalbard; Tetradecanoic acid, δ13C; Trophic marker; VMF1; VMF2; VMF3; VMF5; VMF9; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 740 data points
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  • 4
    Publication Date: 2024-01-31
    Keywords: (9E)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene per filtration volume; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9,13-diene; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene per filtration volume; 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-4-enyl)pentadecane per filtration volume; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadeca-5,9,13-triene; 2,6,10,14-Tetramethyl-7-(3-methyl-pent-4-enyl)pentadeca-5E,9E-diene; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane per filtration volume; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-2,9-diene; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadecan; AWI Arctic Land Expedition; bulk and compound-specific isotope analysis; Core; DATE/TIME; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; DEPTH, water; Device type; ELEVATION; Elevation of event; Event label; FAAB1703_MS-2; FAAB1703_VMF3; FAAB1703_VMF9; FAAB1704_IM; FAAB1704_IS; FAAB1704_MS; FAAB1704_VMF1-2; FAAB1704_VMF1b; FAAB1704_VMF2-2; FAAB1704_VMF2b; FAAB1704_VMF5; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2017; fatty acid; For abbreviation of HBIs refer to Brown et al. 2014; highly branched isoprenoid (HBI); Highly branched isoprenoid alkanes, C25 total; H-Print; IM; IP25; IS; Latitude of event; Lipid; Longitude of event; MS; Sample ID; SEAICEC; Sea ice corer; Snow type; stable isotope ratio; Station label; Svalbard; Trophic marker; VMF1; VMF2; VMF3; VMF5; VMF9; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 680 data points
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  • 5
    Publication Date: 2024-01-31
    Keywords: 11-Icosenoic acid; 6,9,12,15-Hexadecatetraenoic acid; 6,9,12,15-Octadecatetraenoic acid; 6,9,12-Hexadecatrienoic acid; 9,12,15-Octadecatrienoic acid; 9,12-Hexadecadienoic acid; all-cis-4,7,10,13,16,19-Docosahexaenoic acid; all-cis-5,8,11,14,17-Eicosapentaenoic acid; all-cis-9,12-Octadecadienoic acid; AWI Arctic Land Expedition; bulk and compound-specific isotope analysis; cis-11-Octadecenoic acid; cis-9-Hexadecenoic acid; cis-9-Octadecenoic acid; Core; DATE/TIME; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; Device type; ELEVATION; Elevation of event; Event label; FAAB1704_IM; FAAB1704_IS; FAAB1704_MS; FAAB1704_VMF1b; FAAB1704_VMF2b; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2017; fatty acid; Fatty acids, total; Fatty acids per unit mass particulate organic carbon; Hexadecanoic acid; highly branched isoprenoid (HBI); H-Print; IM; IP25; IS; Latitude of event; Lipid; Longitude of event; MS; Octadecanoic acid; Sample ID; SEAICEC; Sea ice corer; Snow type; stable isotope ratio; Station label; Svalbard; Tetradecanoic acid; Trophic marker; VMF1; VMF2
    Type: Dataset
    Format: text/tab-separated-values, 768 data points
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  • 6
    Publication Date: 2024-01-31
    Keywords: 11-Icosenoic acid of total fatty acids; 6,9,12,15-Hexadecatetraenoic acid of total fatty acids; 6,9,12,15-Octadecatetraenoic acid of total fatty acids; 6,9,12-Hexadecatrienoic acid of total fatty acids; 9,12,15-Octadecatrienoic acid of total fatty acids; 9,12-Hexadecadienoic acid of total fatty acids; all-cis-4,7,10,13,16,19-Docosahexaenoic acid of total fatty acids; all-cis-5,8,11,14,17-Eicosapentaenoic acid of total fatty acids; all-cis-9,12-Octadecadienoic acid of total fatty acids; AWI Arctic Land Expedition; bulk and compound-specific isotope analysis; cis-11-Octadecenoic acid of total fatty acids (IUPAC: Octadec-11-enoic acid); cis-9-Hexadecenoic acid of total fatty acids (IUPAC: (9Z)-hexadec-9-enoic acid); cis-9-Octadecenoic acid of total fatty acids (IUPAC: Octadec-9-enoic acid); Core; DATE/TIME; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; DEPTH, water; Device type; ELEVATION; Elevation of event; Event label; FAAB1703_MS-2; FAAB1703_VMF3; FAAB1703_VMF9; FAAB1704_IM; FAAB1704_IS; FAAB1704_MS; FAAB1704_VMF1-2; FAAB1704_VMF1b; FAAB1704_VMF2-2; FAAB1704_VMF2b; FAAB1704_VMF5; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2017; fatty acid; Hexadecanoic acid of total fatty acids; highly branched isoprenoid (HBI); H-Print; IM; IP25; IS; Latitude of event; Lipid; Longitude of event; MS; Octadecanoic acid of total fatty acids; Sample ID; SEAICEC; Sea ice corer; Snow type; stable isotope ratio; Station label; Svalbard; Tetradecanoic acid of total fatty acids; Trophic marker; VMF1; VMF2; VMF3; VMF5; VMF9; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 1020 data points
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  • 7
    Publication Date: 2024-01-31
    Keywords: AWI Arctic Land Expedition; Bacillaria paxillifer; Biflagellates indeterminata; bulk and compound-specific isotope analysis; Chaetoceros gelidus; Chaetoceros sp. cf. C. curvisetus; Chrysophyceae indeterminata; Ciliophora indeterminata; Core; Corethron sp.; Cryptomonas sp.; Cryptophyceae indeterminata; Cryptophyta indeterminata; Cylindrotheca closterium; DATE/TIME; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; Elevation of event; Entomoneis kjelmanii; Entomoneis paludosa; Entomoneis sp.; Event label; FAAB1704_IM; FAAB1704_IS; FAAB1704_MS; FAAB1704_VMF1b; FAAB1704_VMF2b; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2017; fatty acid; Flagellates indeterminata; Fragilariopsis cylindrus; Fragilariopsis oceanica; Fragilariopsis pseudonana; Gymnodiniales; Gymnodiniales indeterminata; Gymnodinium arcticum; Gymnodinium cf. ostenfeldii; Gymnodinium sp.; Gymnodinium sp., autotrophic; Haslea cf. vitrea; Haslea sp.; Haslea spicula; highly branched isoprenoid (HBI); H-Print; IM; Indeterminata; IP25; IS; Latitude of event; Lipid; Longitude of event; Melosira arctica; Mesodinium endosymbionts; Monoflagellates indeterminata; MS; Navicula algida; Navicula directa; Navicula kariana; Navicula pelagica; Navicula septentrionalis; Navicula sp.; Navicula transitans; Navicula vanhoeffenii; Nitzschia arctica; Nitzschia cf. arctica; Nitzschia frigida; Nitzschia laevissima; Nitzschia promare; Pauliella taeniata; Pennales indeterminata; Phaeocystis pouchetii; Pinnularia quadratarea; Plagioselmis sp.; Pleurosigma concilians; Pleurosigma stuxbergii; Protoperidinium sp.; Pseudo-nitzschia granii; Pseudo-nitzschia sp.; Pyramimonas sp.; Raphidiophyceae indeterminata; SEAICEC; Sea ice corer; Snow type; stable isotope ratio; Station label; Stenoneis sp.; Svalbard; Synedropsis hyperborea; Teleaulax sp.; Telonema subtilis; Thalassiosira cf. antarctica; Thalassiosira gravida; Trophic marker; VMF1; VMF2
    Type: Dataset
    Format: text/tab-separated-values, 857 data points
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  • 8
    Publication Date: 2024-01-31
    Keywords: AWI Arctic Land Expedition; bulk and compound-specific isotope analysis; Carbon, organic, particulate; Chlorophyll a; Core; DATE/TIME; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; Device type; ELEVATION; Elevation of event; Event label; FAAB1704_IM; FAAB1704_IS; FAAB1704_MS; FAAB1704_VMF1b; FAAB1704_VMF2b; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2017; fatty acid; highly branched isoprenoid (HBI); H-Print; IM; IP25; IS; Latitude of event; Lipid; Longitude of event; MS; Nitrate; Nitrite; Phosphate; Sample ID; SEAICEC; Sea ice corer; Sea ice salinity; Silicon; Snow type; stable isotope ratio; Station label; Svalbard; Temperature, ice/snow; Trophic marker; VMF1; VMF2
    Type: Dataset
    Format: text/tab-separated-values, 476 data points
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  • 9
    Publication Date: 2024-01-31
    Keywords: Anisonema sp.; Attheya septentrionalis; AWI Arctic Land Expedition; Biflagellates indeterminata; bulk and compound-specific isotope analysis; Chaetoceros furcillatus; Ciliophora indeterminata; Core; Cryptomonas sp.; Cryptophyceae indeterminata; Cylindrotheca closterium; DATE/TIME; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; Diatoms indeterminata; Dinoflagellates, thecate; Dinophyceae indeterminata; Elevation of event; Entomoneis kjelmanii; Entomoneis paludosa; Entomoneis sp.; Eutreptiella sp.; FAAB1704_MS; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2017; fatty acid; Flagellates, autotrophic; Flagellates indeterminata; Fragilariopsis cylindrus; Fragilariopsis oceanica; Fragilariopsis pseudonana; Gymnodiniales indeterminata; Gymnodinium gracilientum; Gymnodinium sp.; Gymnodinium sp., autotrophic; Haslea cf. vitrea; Haslea sp.; highly branched isoprenoid (HBI); H-Print; Indeterminata; IP25; Latitude of event; Lipid; Longitude of event; Mesodinium endosymbionts; Mesodinium rubrum; Monoflagellates indeterminata; MS; Navicula algida; Navicula cf. pelagica; Navicula cf. transitans; Navicula cf. vanhoeffeni; Navicula directa; Navicula kariana; Navicula pelagica; Navicula septentrionalis; Navicula sp.; Navicula transitans; Navicula trigonocephala; Navicula vanhoeffenii; Nitzschia arctica; Nitzschia cf. arctica; Nitzschia frigida; Nitzschia laevissima; Nitzschia promare; Nitzschia sp.; Pauliella taeniata; Pennales indeterminata; Phaeocystis pouchetii; Plagioselmis sp.; Pleurosigma concilians; Pleurosigma stuxbergii; Protoperidinium sp.; Pseudo-nitzschia granii; Pseudo-nitzschia sp.; Pseudoscourfeldia; Pyramimonas sp.; SEAICEC; Sea ice corer; Snow type; stable isotope ratio; Station label; Svalbard; Synedropsis hyperborea; Teleaulax sp.; Telonema subtilis; Thalassiosira cf. antarctica; Thalassiosira gravida; Trophic marker
    Type: Dataset
    Format: text/tab-separated-values, 1246 data points
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  • 10
    Publication Date: 2024-01-31
    Description: The project "Future Algae Blooms" (FAABulous) was funded by the Norwegian Research Council under their OKOSYSTEM call in 2014, and runs from April 2015 until March 2020 (project nr. 243702). This project was intended to show how ongoing climate change will affect the development of algae blooms in sea ice and water in a future Arctic ocean. The final results will consist of an amalgamation of (i) extensive field studies in two Arctic fjord systems with contrasting environmental characteristics, (ii) experiments to study the combined effect of increased light and CO2 on natural algae communities and single species, and (iii) developing models that allow us to study the relative importance (and joint effects) of different stress factors and the effect of these three processes on Arctic algal blooms in sea ice and water, with a special focus on the control of the onset and development of a bloom. Inorganic nutrients were measured in water samples and ice cores throughout the project period from 2015 to 2017.
    Keywords: Artic; AWI Arctic Land Expedition; Colorimetric autoanalysis; Core; DATE/TIME; Depth, bottom/max; Depth, top/min; DEPTH, water; Event label; FAAB1509_VMF1-2; FAAB1509_VMF2; FAAB1605_VMF9; FAAB1606_VMF1; FAAB1606_VMF5; FAAB1606_VMF9; FAAB1607_VMF9; FAAB1608_VMF1; FAAB1608_VMF5; FAAB1608_VMF9; FAAB1701_VMF1; FAAB1701_VMF4; FAAB1701_VMF9; FAAB1702_VMFInner; FAAB1703_MS-2; FAAB1703_VMF1; FAAB1703_VMF3; FAAB1703_VMF5; FAAB1703_VMF9; FAAB1704_IM; FAAB1704_IS; FAAB1704_MS; FAAB1704_VMF1; FAAB1704_VMF1-2; FAAB1704_VMF1b; FAAB1704_VMF2; FAAB1704_VMF2-2; FAAB1704_VMF2b; FAAB1704_VMF4; FAAB1704_VMF5; FAAB1704_VMF9; FAAB1706_VMF4; FAAB1706_VMF9; FAAB1708_VMF1; FAAB1708_VMF4; FAAB1708_VMF9; FAABulous; FAABulous: Future Arctic Algae Blooms and their role in the context of climate change; FAABulous2015; FAABulous2016; FAABulous2017; Faabulous-project; Ice-algae; IM; inorganic nutrients; IS; Latitude of event; Longitude of event; MS; Nitrate; Nitrite; Phosphate; Sample ID; SEAICEC; Sea ice corer; Sea ice salinity; Silicon; Snow; Station label; Svalbard; Temperature, ice/snow; van Mijenfjorden; VMF1; VMF2; VMF3; VMF4; VMF5; VMF9; VMFInner; Water sample; Water samples; WS
    Type: Dataset
    Format: text/tab-separated-values, 2467 data points
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