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  • 2020-2024  (72,515)
  • 2015-2019  (24)
  • 1970-1974  (8)
  • 1950-1954  (4)
  • 2021  (72,515)
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Year
  • 1
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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: 2024-06-28
    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
    Type: info:eu-repo/semantics/article
    Format: application/pdf
    Location Call Number Expected Availability
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    PAPER (OA)
  • 2
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    Macrofauna abundance from multicorer and box corer samples for seven stations from the Weddell Sea (POLARSTERN cruise PS 96, ANT-XXXI/2, December 2015–February 2016) (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: This dataset provides abundance data for macrofaunal taxa determined from sediment samples collected in the Weddell Sea (mostly South-Eastern). A minimum of three samples (cores) were collected at each station with a MUC10 multicorer or a giant box corer during PS96. Sediment cores were sliced into depth layers (stations 017, 026, 061, 072: 0–2cm, 2–5cm, 5– bottom; stations 001, 037, 048: 0–1cm, 1–2cm, 2–3cm, 3–4cm, 4–5cm, 5– bottom) and preserved in 4%-borax-buffered formaldehyde solution prior to sieving (sieve size 500 µm, 1000 µm) and counting (detailed methods in Säring et al. submitted). Abundance is presented per depth layer (note different slice volume) as ind./m². Data from different size fractions are available upon request. Macrofauna communities included individuals from 18 higher taxa. The macrofauna abundance data are part of a larger ecological study on meio- and macrofauna communities and their relation to environmental conditions and remineralisation at the sediment-water interface (see Related to below). For the larger study, sediment cores from which macrofauna abundance data are deposited here were also used for microcosm incubations: Untreated incubations (Benthic ecosystem Function Experiments BEFEx), and incubations with and without microalgae addition (Algae Feeding Experiment AFEx). Cores from BEFEx and AFEx without algae are labeled with NT (not treated), cores from AFEx with algae are labeled as T (treated).
    Keywords: Amphipoda; Annelida; Antarctic; ANT-XXXI/2 FROSN; Bivalvia; box corer; Chordata; Cnidaria; community composition; Copepoda; Counting 〉500 µm fraction; Cruise/expedition; Cumacea; Date/Time of event; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Echinodermata; Elevation of event; Event label; Experiment; fauna abundance; Gastropoda; Gear; Gear identification number; Giant box corer; GKG; Isopoda; Kinorhyncha; Latitude of event; Longitude of event; Macrobenthos; MUC; MultiCorer; Mysida; Nematoda; Ostracoda; Pantopoda; Polarstern; Porifera; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS96; PS96/001-7; PS96/001-8; PS96/017-3; PS96/026-11; PS96/026-7; PS96/026-8; PS96/037-8; PS96/037-9; PS96/048-7; PS96/048-8; PS96/061-5; PS96/061-6; PS96/072-9; Sample ID; sediment depth layers; Sipuncula; Southern Ocean; SPP1158; Station label; Tanaidacea; taxa; Treatment; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 4077 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    Meiofauna abundance from multicorer and box corer samples for seven stations from the Weddell Sea (POLARSTERN cruise PS 96, ANT-XXXI/2, December 2015–February 2016) (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: This dataset provides abundance data for meiofauna taxa determined from sediment samples collected in the Weddell Sea (mostly South-Eastern). A minimum of three samples (cores) were collected at each station with a MUC10 multicorer or taken from a giant box corer during PS96. Sediment cores were sliced into depth layers (stations 017, 026, 061, 072: 0–2cm, 2–5cm, 5– bottom; stations 001, 037, 048: 0–1cm, 1–2cm, 2–3cm, 3–4cm, 4–5cm, 5– bottom) and preserved in 4%-borax-buffered formaldehyde solution prior to sieving (upper sieve size 500 µm, lower sieve size 32 µm) and counting (detailed methods in Säring et al. submitted). Abundance is presented per depth layer from the top 5 cm (note different slice volume) as ind./10 cm². Meiofauna communities included individuals from 22 higher taxa. The meiofauna abundance data are part of a larger ecological study on meio- and macrofauna communities and their relation to environmental conditions and remineralisation at the sediment-water interface (see “Related to” below). For the larger study, sediment cores from which meiofauna abundance data are deposited here were also used for microcosm incubations: Untreated incubations (Benthic ecosystem Function Experiments BEFEx), and incubations with and without microalgae addition (Algae Feeding Experiment AFEx). Cores from BEFEx and AFEx without algae are labeled with NT (not treated), cores from AFEx with algae are labeled as T (treated).
    Keywords: Acari; Amphipoda; Annelida; Antarctic; ANT-XXXI/2 FROSN; Bivalvia; box corer; Cladocera; Coelenterata; community composition; Copepoda; Copepoda, nauplii; Counting 32-500 µm fraction; Cruise/expedition; Cumacea; Date/Time of event; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; Experiment; fauna abundance; Gastropoda; Gastrotricha; Gear; Gear identification number; Giant box corer; GKG; Isopoda; Kinorhyncha; Latitude of event; Longitude of event; Loricifera; meiofauna; Meiofauna, other; MUC; MultiCorer; Nematoda; Ostracoda; Polarstern; Priapulida; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS96; PS96/001-7; PS96/001-8; PS96/017-3; PS96/026-11; PS96/026-7; PS96/026-8; PS96/037-8; PS96/037-9; PS96/048-7; PS96/048-8; PS96/061-5; PS96/061-6; PS96/072-9; Rotifera; Sample ID; sediment depth layers; Sipunculida; Solenogastres; Southern Ocean; SPP1158; Station label; Tanaidacea; Tantulocarida; Tardigrada; taxa; Treatment; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 3399 data points
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    DATA PANGAEA
  • 4
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    Biotic water-column characteristics for stations from the North-Western Weddell Sea, Bransfield Strait, and Drake Passage (POLARSTERN cruise PS 81, ANT-XXIX/3, January-March 2013) (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: Around the Antarctic Peninsula (North-Western Weddell Sea, Bransfield Strait, Drake Passage) water samples for measurements of chlorophyll-a were collected with Niskin bottles mounted on a CTD rosette. At each station samples were taken at two depths, the chlorophyll-a maximum (Cmax, defined as the water depth with maximum fluorescence detected during in-situ profiles) and close to the seafloor (bottom). Water samples were poured over a 100-µm sieve to remove larger particles and filtered over glass fibre filters GF/C at approximately 250 mbar. Colouring of filters determined the amount of sea water used (3–5l). Filters were stored at −80°C. Chloroplastic pigments were extracted with 10ml acetone (90%), determined using a fluorimeter and expressed in µg/l. For details see Hauquier et al. (2015) and Veit-Köhler et al. (2018).
    Keywords: Antarctic; ANT-XXIX/3; Chlorophyll a; Cruise/expedition; CTD; CTD/Rosette; CTD-RO; Date; Date/Time of event; DEPTH, water; Elevation of event; Event label; Fluorometry; Latitude of event; Longitude of event; pigments; Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS81; PS81/116-1; PS81/118-1; PS81/120-1; PS81/162-1; PS81/163-1; PS81/190-1; PS81/193-1; PS81/196-1; PS81/202-1; PS81/215-1; PS81/218-1; PS81/225-1; PS81/230-1; PS81/235-1; PS81/238-2; PS81/241-1; PS81/243-1; PS81/247-2; PS81/250-1; Sample type; Sample volume; Scotia Sea; Southern Ocean; SPP1158; Station label; Water-column parameters; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 228 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Concentrations and fluxes of the sea-ice biomarkers 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane (IP25) and highly branched isoprenoid triene (HBI III) from marine sediment core AMD14-204_CASQ (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: Concentrations of the sea-ice biomarker IP25 and highly branched isoprenoid triene (HBI III) (ng/g), total organic carbon content (TOC; %), IP25 and HBI III concentrations normalized to TOC (ng/gTOC), and fluxes of IP25 and HBI III (ng/unit surface area/yr) from the marine sediment core AMD14-204_CASQ that was retrieved from the West Greenland shelf, offshore Upernavik, and which spans the last ca. 9,000 years.
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, flux; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane per unit sediment mass; AGE; AMD14_1b; AMD14-204_CASQ; ArcticNet; Baffin Bay; Calculated; Calypso square corer; Carbon, organic, total; CASQ; CCGS Amundsen; DEPTH, sediment/rock; diatoms; Gas chromatography - Mass spectrometry (GC-MS); Geochemistry; Highly branched isoprenoid (HBI) biomarkers; Highly branched isoprenoids, triunsatured, flux; Highly branched isoprenoids, triunsatured, per unit mass total organic carbon; Highly branched isoprenoids, triunsatured per unit sediment mass
    Type: Dataset
    Format: text/tab-separated-values, 1925 data points
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    DATA PANGAEA
  • 6
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    Elemental geochemistry from February 2019 suspended particulate matter of the St. Lawrence Estuary (eastern Canada) (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: The elemental geochemical compositions of ten suspended particulate matter samples taken at a water depth of 10 m along the St. Lawrence Estuary during February 2019 were investigated to document sediment provenance and transport pathways during ice-covered conditions. The elemental analysis was done using an INCA X-sight energy-dispersive X-ray spectrometer (Oxford Instruments) coupled to a JEOL 6460LV scanning electron microscope. X-ray spectra were measured from 40 detrital particles manually and randomly selected at various positions over the sample using the microscope.
    Keywords: 1; 10; 11; 12; 2; 3; 4; 5; 6; 9; Aluminium; Aluminium oxide; AMD-OSL19; AMD-OSL19-01; AMD-OSL19-02; AMD-OSL19-03; AMD-OSL19-04; AMD-OSL19-05; AMD-OSL19-06; AMD-OSL19-09; AMD-OSL19-10; AMD-OSL19-11; AMD-OSL19-12; Calcium; Calcium oxide; CCGS Amundsen; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; elemental geochemistry; Energy dispersive X-ray analysis, EDAX; Event label; Iron; Iron oxide, Fe2O3; Latitude of event; Longitude of event; Magnesium; Magnesium oxide; Odyssée Saint-Laurent; Potassium; Potassium oxide; Silicon; Silicon dioxide; Sodium; Sodium oxide; St. Lawrence Estuary, fluvial; St. Lawrence Estuary, lower; St. Lawrence Estuary, upper; Station label; Suspended particulate matter; Titanium; Titanium dioxide
    Type: Dataset
    Format: text/tab-separated-values, 170 data points
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    DATA PANGAEA
  • 7
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    Bulk mineralogy from February 2019 suspended particulate matter of the St. Lawrence Estuary (eastern Canada) (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: The mineralogical compositions of ten suspended particulate matter samples taken at a water depth of 10 m along the St. Lawrence Estuary during February 2019 were investigated to document sediment provenance and transport pathways during ice-covered conditions. X-ray diffraction was used for the characterization of the particles' mineralogical composition. Samples were analyzed by quantitative X-ray diffraction (qXRD) using a PANalytical X'Pert Powder diffractometer. For the quantification of the major mineralogical components, the XRD scans obtained were converted into mineral weight percent (wt.%) using the standardless option of the Excel macro-program Rockjock v11.
    Keywords: 1; 10; 11; 2; 3; 4; 5; 6; 9; AMD-OSL19; AMD-OSL19-01; AMD-OSL19-02; AMD-OSL19-03; AMD-OSL19-04; AMD-OSL19-05; AMD-OSL19-06; AMD-OSL19-09; AMD-OSL19-10; AMD-OSL19-11; Amphibole; Biotite; Calcite; Carbonates; CCGS Amundsen; Chlorite; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Diatoms; Dolomite; Event label; Illite; Kalifeldspar; Kaolinite; Latitude of event; Longitude of event; Muscovite; Odyssée Saint-Laurent; Plagioclase; Pyroxene; quantitative X-ray diffraction; Quartz; Silica, amorphous; Smectite; St. Lawrence Estuary, fluvial; St. Lawrence Estuary, lower; St. Lawrence Estuary, upper; Station label; Suspended particulate matter; X-ray diffraction (XRD)
    Type: Dataset
    Format: text/tab-separated-values, 153 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 8
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    Sediment characteristics (Chla, Phaeo, TOC, TN, δ13C, δ15N, grain size) at stations in the Weddell Sea (POLARSTERN cruise PS 96, ANT-XXXI/2, December 2015–February 2016) (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: This dataset contains abiotic and biotic data from sediment samples from nine sites in the Weddell Sea (mostly South-Eastern). Data are provided for sediment pigments (chlorophyll a and phaeopigment content through fluorometry), total organic carbon (TOC), total nitrogen (TN), stable isotope values of carbon and nitrogen (δ13C, δ15N) and grain size (silt&clay 〈 32 µm, very fine sand 63–125 µm sand, fine sand 125–250 µm, medium sand 250–500 µm, coarse sand 500–1000 µm, larger coarse sand 〉 1000 µm). Before the TOC and carbon isotope analysis the sediment samples were acidified to eliminate inorganic carbon. A minimum of three replicate samples (cores) were collected using a MUC10 multicorer or giant box corer. Sediment cores were subsampled with a 60-ml syringe (inner diameter 2.7 cm) for stations 017, 026, 061, 072, and with a 10-ml syringe (inner diameter 1 cm) for stations 001, 037, 048, 104, 115. Subsamples were sliced in 1-cm steps down to 5 cm depth. Detailed methods are described in Säring et al. (submitted) except for stable isotopes: Flash combustion in a Flash 2000 (Thermo) elemental analyser to a Delta V advantage (Thermo) isotope ratio masspectrometer. δ values are reported relative to atmospheric N2 (δ15N) and Vienna PeeDee Belemnite (δ13C). Reference materials for stable isotope analysis: IAEA-N1, IAEA-N2, IAEA-N3, NBS 22, IAEA-CH-3 and IAEA-CH-6; calibration material: Acetanilide (Merck). The analytical precision for both stable isotope ratios was 〈±0.2‰. Cores with the label -e (Environment) were only used to collect the above data. Environmental and fauna data were collected from cores with the label -i (Incubation). This data table is part of a larger study analysing the role of environmental parameters for meio- and macrofaunal community composition (see Related to below).
    Keywords: Antarctica; ANT-XXXI/2 FROSN; box corer; Carbon, organic, total; Chlorophyll a; Chlorophyll a per unit sediment mass; Cruise/expedition; Date/Time of event; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; Flash combustion in a Flash 2000 (Thermo) elemental analyser to a Delta V advantage (Thermo) isotope ratio masspectrometer; Flash combustion in a Flash 2000 (Thermo) elemental analyzer; Fluorometry; Gear; Gear identification number; Giant box corer; GKG; Grain size, Mastersizer 3000, Malvern Instrument Inc.; Grain size data; Latitude of event; Longitude of event; MUC; MultiCorer; Nitrogen, total; organic matter; phaeopigments; Phaeopigments per unit sediment mass; pigments; Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS96; PS96/001-7; PS96/001-8; PS96/017-3; PS96/026-10; PS96/026-11; PS96/026-7; PS96/026-8; PS96/037-8; PS96/037-9; PS96/048-7; PS96/048-8; PS96/061-5; PS96/061-6; PS96/072-10; PS96/072-8; PS96/072-9; PS96/104-2; PS96/104-3; PS96/115-2; Sample ID; sediment; Size fraction 〈 0.063 mm, mud, silt+clay; Size fraction 〉 1 mm, gravel; 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; Southern Ocean; SPP1158; stable carbon isotope; Station label; total nitrogen; Total Organic Carbon; Weddell Sea; δ13C, total organic carbon; δ15N, bulk sediment
    Type: Dataset
    Format: text/tab-separated-values, 3611 data points
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    DATA PANGAEA
  • 9
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    Biotic and abiotic water-column characteristics (Chla, Phaeo, TC, TN, δ13C, δ15N) at stations in the Weddell Sea (POLARSTERN cruise PS 96, ANT-XXXI/2, December 2015–February 2016) (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Description: This dataset contains biotic and abiotic data from water-column samples taken with Niskin bottles mounted on the CTD rosette from 14 sites in the Weddell Sea (mostly South-Eastern). Data are provided for water-column pigments (chlorophyll a and phaeopigment content through fluorometry), total carbon (TC) and nitrogen (TN) and stable isotope values of carbon and nitrogen (δ13C, δ15N) from the chlorophyll maximum (Cmax, defined as the water depth with maximum fluorescence detected during in-situ profiles) and close to the sea bottom. Water was filtered onto glass fiber filters (GF/C for pigments, combusted GF/F for C and N analyses) and stored at -80°C prior to analysis. Detailed methods are described in Säring et al. (submitted) except for stable isotopes: Flash combustion in a Flash 2000 (Thermo) elemental analyser to a Delta V advantage (Thermo) isotope ratio masspectrometer. δ values are reported relative to atmospheric N₂ (δ15N) and Vienna PeeDee Belemnite (δ13C). Reference materials for stable isotope analysis: IAEA-N1, IAEA-N2, IAEA-N3, NBS 22, IAEA-CH-3 and IAEA-CH-6; calibration material: Acetanilide (Merck). The analytical precision for both stable isotope ratios was 〈±0.2‰. Samples were not acidified to avoid loss of material. We assumed low inorganic carbon content in the water column for our analyses. This data table is part of a larger study analysing the role of environmental parameters for meio- and macrofaunal community composition (see Related to below).
    Keywords: Antarctica; ANT-XXXI/2 FROSN; Carbon, total; Chlorophyll a; chlorophyll bottom; chlorophyll maximum; Cruise/expedition; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; Flash combustion in a Flash 2000 (Thermo) elemental analyser to a Delta V advantage (Thermo) isotope ratio masspectrometer; Flash combustion in a Flash 2000 (Thermo) elemental analyzer; Fluorometry; Gear; Latitude of event; Longitude of event; Nitrogen, total; phaeopigments; Phaeopigments; pigments; Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS96; PS96/001-1; PS96/005-2; PS96/010-7; PS96/017-1; PS96/026-13; PS96/027-1; PS96/037-2; PS96/048-1; PS96/059-1; PS96/061-2; PS96/072-2; PS96/090-3; PS96/104-1; PS96/115-1; Sample type; Southern Ocean; SPP1158; Stable isotope; Station label; Total Carbon; total nitrogen; water column; Weddell Sea; δ13C; δ15N
    Type: Dataset
    Format: text/tab-separated-values, 235 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 10
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    Lipid biomarkers and productivity proxies of sediment core AMD16-117Q (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-28
    Keywords: (9E)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; AGE; AMD16_1a; AMD16-117Q; AMD16-117Q-BC1-1; Baffin Bay; BC; biogenic silica; Biogenic silica, flux; Box corer; Calypso square corer; Carbon, organic, total; CASQ; CCGS Amundsen; DEPTH, sediment/rock; foraminifera abundance; foraminifera flux; GreenEdge/ArcticNet; Holocene; lipid biomarkers; North Water Polynya; productivity; Quaanaaq; Sulfur, total; total organic carbon (TOC)
    Type: Dataset
    Format: text/tab-separated-values, 720 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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