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  • PANGAEA  (7)
  • 2020-2024  (7)
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Keywords
Publisher
Years
Year
  • 1
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    Unknown
    Benthosema glaciale diet across the North Atlantic (2022)
    PANGAEA
    Details
    Publication Date: 2023-09-02
    Description: The data submitted is used in a comparative analysis of the diet of one of the globally most numerous myctophids, the Glacier lantern fish Benthosema glaciale, across four deep basins of the North-Atlantic. B. glaciale is a small fish species that contribute to carbon flux to the deep basins of the open ocean, and is thus considered an important element of the biological carbon pump (BCP). Data submitted is length and weight of fish analyzed for stomach content. In addition there are available taxonomic information, weight and number of prey items of each fish that has stomach content, as long as it has been possible to assign prey to a species or other taxonomic category. Unidentified prey usually had a high degree of digestion and individual items could not be counted, but could be weighed. Sampling were undertaken onboard the RV G.O. Sars during a six week long transatlantic scientific survey from Bergen (Norway) to Nuuk (Greenland) and back to Bergen in May and June 2013. Samples of B. glaciale for stomach content analysis were collected from three Harstad trawl hauls and 16 Macroplankton trawl hauls. The Harstad trawl is a graded (variable mesh size), small mid-water trawl with 20 m vertical opening and 15 m wing spread (Godø et al., 1993). The Macroplankton trawl on the other hand is a light pelagic trawl that has a nominal 6x6 m trawl opening and mesh size of 3 mm square light opening (8 mm stretched, knot to knot) from the trawl mouth along the entire trawl length to the cod-end (Hassel et al., 2017; Klevjer et al., 2020).
    Keywords: Basin Scale Analysis, Synthesis and Integration; Benthosema glaciale; diet; Ecologically and economically sustainable mesopelagic fisheries; EURO-BASIN; MEESO; mesopelagic fish; North Atlantic; SUMMER; Sustainable Management of Mesopelagic Resources
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Unknown
    Stomach contents of Benthosema glaciale collected during RV G.O. Sars cruise 2013107 across the North Atlantic in 2013 (2022)
    PANGAEA
    Details
    Publication Date: 2023-09-02
    Description: The data is used in a comparative analysis of the diet of one of the globally most numerous myctophids, the Glacier lantern fish Benthosema glaciale, across four deep basins of the North Atlantic. We present taxonomic information, weight and number of prey items of each fish that has stomach content, as long as it has been possible to assign prey to a species or other taxonomic category. Unidentified prey usually had a high degree of digestion and individual items could not be counted, but could be weighed. Sampling were undertaken onboard the RV G.O. Sars during a six week long transatlantic scientific survey from Bergen (Norway) to Nuuk (Greenland) and back to Bergen in May and June 2013. The Harstad trawl is a graded (variable mesh size), small mid-water trawl with 20 m vertical opening and 15 m wing spread (Godø et al., 1993). The Macroplankton trawl on the other hand is a light pelagic trawl that has a nominal 6x6 m trawl opening and mesh size of 3 mm square light opening (8 mm stretched, knot to knot) from the trawl mouth along the entire trawl length to the cod-end (Hassel et al., 2017; Klevjer et al., 2020).
    Keywords: 116; 118; 120; 122; 125; 127; 128; 134; 139; 140; 153; 154; 162; 176; Basin Scale Analysis, Synthesis and Integration; Benthosema glaciale; Counted; Date/Time of event; Date/Time of event 2; DEPTH, water; diet; Ecologically and economically sustainable mesopelagic fisheries; EURO-BASIN; Event label; G. O. Sars (2003); GS13/107; GS13/107_116-HST; GS13/107_118-HST; GS13/107_120-MPT; GS13/107_122-HST; GS13/107_125-MPT; GS13/107_127-MPT; GS13/107_128-MPT; GS13/107_134-MPT; GS13/107_139-MPT; GS13/107_140-MPT; GS13/107_153-MPT; GS13/107_154-MPT; GS13/107_162-MPT; GS13/107_176-MPT; Harstad trawl; Iceland Sea; Irminger Sea; Labrador Sea; Latitude of event; Life stage; Longitude of event; Macroplankton trawl; MEESO; mesopelagic fish; North Atlantic; Norwegian Sea, Arctic Ocean; Norwegian Trans Atlantic Cruise; Number of prey; Optional event label; Prey, length; Prey digestion level; Quality code; Sample comment; Sample ID; Series; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Specimen identification; Stomach content, dry mass; Stomach content, wet mass; SUMMER; Sustainable Management of Mesopelagic Resources; Taxon/taxa; Taxon/taxa, unique identification (Semantic URI); Taxon/taxa, unique identification (URI); VID; Visual identification; Weighted
    Type: Dataset
    Format: text/tab-separated-values, 2804 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    Unknown
    Metrics of Benthosema glaciale collected during RV G.O. Sars cruise 2013107 across the North Atlantic in 2013 (2022)
    PANGAEA
    Details
    Publication Date: 2023-09-02
    Description: The data is used in a comparative analysis of the diet of one of the globally most numerous myctophids, the Glacier lantern fish Benthosema glaciale, across four deep basins of the North Atlantic. B. glaciale is a small fish species that contribute to carbon flux to the deep basins of the open ocean, and is thus considered an important element of the biological carbon pump (BCP). Data submitted is length and weight of fish analyzed for stomach content. Sampling were undertaken onboard the RV G.O. Sars during a six week long transatlantic scientific survey from Bergen (Norway) to Nuuk (Greenland) and back to Bergen in May and June 2013. The Harstad trawl is a graded (variable mesh size), small mid-water trawl with 20 m vertical opening and 15 m wing spread (Godø et al., 1993). The Macroplankton trawl on the other hand is a light pelagic trawl that has a nominal 6x6 m trawl opening and mesh size of 3 mm square light opening (8 mm stretched, knot to knot) from the trawl mouth along the entire trawl length to the cod-end (Hassel et al., 2017; Klevjer et al., 2020).
    Keywords: 116; 118; 120; 122; 125; 127; 128; 134; 137; 138; 139; 140; 150; 151; 153; 154; 157; 162; 176; Basin Scale Analysis, Synthesis and Integration; Benthosema glaciale; Date/Time of event; Date/Time of event 2; DEPTH, water; diet; Ecologically and economically sustainable mesopelagic fisheries; EURO-BASIN; Event label; Fish, gutted, dry mass; Fish, gutted, wet mass; Fish, standard length; Fish, total length; Fish, wet mass; Fish measuring board; G. O. Sars (2003); Gonad, dry mass; Gonad, wet mass; GS13/107; GS13/107_116-HST; GS13/107_118-HST; GS13/107_120-MPT; GS13/107_122-HST; GS13/107_125-MPT; GS13/107_127-MPT; GS13/107_128-MPT; GS13/107_134-MPT; GS13/107_137-MPT; GS13/107_138-MPT; GS13/107_139-MPT; GS13/107_140-MPT; GS13/107_150-MPT; GS13/107_151-MPT; GS13/107_153-MPT; GS13/107_154-MPT; GS13/107_157-MPT; GS13/107_162-MPT; GS13/107_176-MPT; Harstad trawl; Iceland Sea; Irminger Sea; Labrador Sea; Latitude of event; Liver, dry mass; Liver, wet mass; Longitude of event; Macroplankton trawl; Maturation stage; MEESO; mesopelagic fish; North Atlantic; Norwegian Sea, Arctic Ocean; Norwegian Trans Atlantic Cruise; Optional event label; Otolith, comment; Parasites, presence; Quality code; Sex; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Specimen identification; Stomach, wet mass; Stomach fullness; SUMMER; Sustainable Management of Mesopelagic Resources; VID; Visual identification; Weighted
    Type: Dataset
    Format: text/tab-separated-values, 4159 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Macroplankton and micronekton trawl data from the Norwegian Sea 2019-2020 (2024)
    PANGAEA
    Details
    Publication Date: 2024-02-15
    Description: We provide here a curated set of data containing standardized catch biomasses and abundances of key macroplankton and mesopelagic fish taxonomically identified to species or genera or the nearest possible taxonomic group collected by a Macroplankton trawl (~6 m x 6 m mouth opening, non-graded mesh with 3 mm light-opening) from cruises in the Norwegian Sea during the International Ecosystem Survey in the Nordic Seas (IESNS) in May to June 2019 and 2020. The collected material is obtained from standardized V-shaped hauls down to a maximum depth of about 1000 m, although some shallower V-hauls are included either to look at the vertically migrating mesopelagic organisms that enter the epipelagic domain during nighttime hours, or because of depth restrictions due to shallow bottom topography. This dataset holds the biomass and abundance data of species or taxonomically identified categories. Filtered water volume (m³) was determined by calculating the towed horizontal distance (m) from when the trawl was deployed until maximum depth (m) and similarly when retrieved. Then, knowing the maximum depth of the trawl, by trigonometric calculations the trawl path (hypothenuse) during downcast and upcast were derived. The filtered volume was calculated by multiplying the summed towpath distance (m) by the nominal trawl opening of 36 m².
    Keywords: 108; 111; 118; 122; 139; 146; 147; 153; 154; 158; 159; 165; 175; 184; 190; 194; 58GS2019107; 58GS2019107_146-MPT; 58GS2019107_154-MPT; 58GS2019107_158-MPT; 58GS2019107_165-MPT; 58GS2019107_175-MPT; 58GS2019107_184-MPT; 58GS2019107_190-MPT; 58GS2019107_194-MPT; 58GS2020106; 58GS2020106_108-MPT; 58GS2020106_111-MPT; 58GS2020106_118-MPT; 58GS2020106_122-MPT; 58GS2020106_139-MPT; 58GS2020106_147-MPT; 58GS2020106_153-MPT; 58GS2020106_159-MPT; Abundance per volume; Biomass, wet mass per volume; Calculated; Counted whole; Date/Time of event; Date/Time of event 2; DEPTH, water; Depth, water, bottom/maximum; Depth, water, top/minimum; Discard catch; Event label; G. O. Sars (2003); Index; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; macroplankton; Macroplankton trawl; Mass; Mean values; mesopelagic; micronekton; MPT; Norwegian Sea; Number of individuals; Optional event label; Serial number; Subsample, wet mass; SUMMER; Sustainable Management of Mesopelagic Resources; Taxon/taxa; Taxon/taxa, unique identification; Taxon/taxa, unique identification (Semantic URI); Taxon/taxa, unique identification (URI); Total catch; trawl catch; Type; VID; Visual identification; Water volume, filtered; Weighted
    Type: Dataset
    Format: text/tab-separated-values, 2854 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Macroplankton and micronekton length/size frequencies from the Norwegian Sea 2019-2020 (2024)
    PANGAEA
    Details
    Publication Date: 2024-02-15
    Description: We provide here a curated set of data containing representative length/size measurements of key macroplankton and mesopelagic fish collected by a Macroplankton trawl (~6 m x 6 m mouth opening, non-graded mesh with 3 mm light-opening) from cruises in the Norwegian Sea during the International Ecosystem Survey in the Nordic Seas (IESNS) in May to June 2019 and 2020. The collected material is obtained from standardized V-shaped hauls down to a maximum depth of about 1000 m, although some shallower V-hauls are included either to look at the vertically migrating mesopelagic organisms that enter the epipelagic domain during nighttime hours, or because of depth restrictions due to shallow bottom topography.
    Keywords: 108; 111; 118; 122; 139; 146; 147; 153; 154; 158; 159; 165; 175; 184; 190; 194; 58GS2019107; 58GS2019107_146-MPT; 58GS2019107_154-MPT; 58GS2019107_158-MPT; 58GS2019107_165-MPT; 58GS2019107_175-MPT; 58GS2019107_184-MPT; 58GS2019107_190-MPT; 58GS2019107_194-MPT; 58GS2020106; 58GS2020106_108-MPT; 58GS2020106_111-MPT; 58GS2020106_118-MPT; 58GS2020106_122-MPT; 58GS2020106_139-MPT; 58GS2020106_147-MPT; 58GS2020106_153-MPT; 58GS2020106_159-MPT; Anarhichadidae, standard length; Anarhichas lupus, standard length; Arctozenus risso, standard length; Benthosema, standard length; Benthosema glaciale, standard length; Cephalopoda, mantle length; Clupea harengus, total length; Date/Time of event; Date/Time of event 2; DEPTH, water; Depth, water, bottom/maximum; Depth, water, top/minimum; Event label; G. O. Sars (2003); Gammaridae, total length AL; Gonatus, mantle length; Hymenodora, total length; Hymenodora glacialis, total length; Hymenodora gracilis, total length; Lampanyctus crocodilus, standard length; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; macroplankton; Macroplankton trawl; Maurolicus muelleri, standard length; Mean values; Measured according to Asochakov (1994); Measured according to Banha et al. (2020); Measured according to Dunbar (1957); Measured according to Hassel et al. (2023); Measured according to Mjanger et al. (2019) [code E]; Measured according to Mjanger et al. (2019) [code J]; Measured according to Morris et al. (1988); Measured according to Roper et al. (1984); Meganyctiphanes norvegica, carapace length; Meganyctiphanes norvegica, total length; mesopelagic; Micromesistius poutassou, total length; micronekton; MPT; Myctophidae, standard length; Nematoscelis, total length; Norwegian Sea; Notoscopelus kroeyeri, standard length; Octopoda, mantle length; Optional event label; Pasiphaea, total length; Pasiphaea multidentata, total length; Periphylla periphylla, bell diameter; Sepietta, mantle length; Sepiida, mantle length; Sergestes, total length; Serial number; Stomiidae, standard length; SUMMER; Sustainable Management of Mesopelagic Resources; Themisto abyssorum, total length; Themisto compressa, total length; Themisto libellula, total length; Thysanoessa inermis, carapace length; Thysanoessa inermis, total length; trawl catch
    Type: Dataset
    Format: text/tab-separated-values, 9587 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    Stream water chemistry and landscape characteristics in Zackenberg Valley, NE Greenland summer 2021 (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-22
    Description: The data contains water chemistry and spectral catchment NDVI for 14 streams in Zackenberg Valley in Northeast Greenland, sampled summer 2021 from 10th July to 15th September. We collected water samples for measuring water chemistry, and we determined landscape parameters using GIS based tools. The data was collected at three sampling periods in summer 2021 in the Zackenberg Research Station (74°28'N, 20°34'W). The area has a polar tundra climate with mean annual air temperature of -9.1 °C. Water chemistry (i.e. dissolved and particulate nitrogen, phosphorus, carbon; dissolved iron and silicate) and catchment characteristics (i.e. catchment area, altitude, slope, aspect, NDVI, snow cover) was measured for each of the 14 stream sites. Water chemistry samples were collected and analyzed using standard methods, and landscape characteristics were determined using GIS resources. The data was collected in order to study relationships between landscape characteristics and stream water chemistry. The water samples were collected by a team of two people, and the detailed methods are given below.
    Keywords: A; Ammonium; Ammonium/Nitrogen, inorganic, dissolved ratio; Arctic; Aspect; Calcium/Magnesium ratio; Calculated; Carbon, organic, dissolved; Catchment area; Conductivity, specific; Conductivity Meter, WTW, ProfiLine Cond 3110; Date/Time of event; Discharge; Elevation of event; Event label; G; Greening; Inductively Coupled Plasma - Mass Spectrometry (ICP-MS), PerkinElmer Instruments, Optima 2000 DV; Iron; J1; J2; KA; KC; Lachat QuickChem 8500 flow injection autoanalyser; Latitude of event; Longitude of event; LT; Month; MULT; Multiple investigations; Nitrate; Nitrate/Ammonium ratio; Nitrate/Nitrogen, inorganic, dissolved ratio; Nitrogen; Nitrogen, inorganic, dissolved; Nitrogen, inorganic, dissolved/Nitrogen, organic, dissolved ratio; Nitrogen, inorganic, dissolved/Nitrogen, total, dissolved ratio; Nitrogen, organic, dissolved; Nitrogen, total dissolved; Normalized Differenced Vegetation Index, median; Normalized Difference Vegetation Index; P; Potassium/Silicon ratio; rivers; Silicon; Site; Slope; Snow coverage; streams; Sum cations; T; Temperature, water; Total organic carbon analyzer(TOC-VCPH/TNM-1), Shimadzu; W1; W2; W3; W4; W5; water chemistry; Zackenberg_AugA; Zackenberg_AugG; Zackenberg_AugJ1; Zackenberg_AugJ2; Zackenberg_AugKA; Zackenberg_AugKC; Zackenberg_AugLT; Zackenberg_AugP; Zackenberg_AugT; Zackenberg_AugW1; Zackenberg_AugW5; Zackenberg_JulyA; Zackenberg_JulyG; Zackenberg_JulyJ1; Zackenberg_JulyJ2; Zackenberg_JulyKA; Zackenberg_JulyKC; Zackenberg_JulyLT; Zackenberg_JulyP; Zackenberg_JulyT; Zackenberg_JulyW1; Zackenberg_JulyW2; Zackenberg_JulyW3; Zackenberg_SeptA; Zackenberg_SeptG; Zackenberg_SeptKA; Zackenberg_SeptKC; Zackenberg_SeptKC2; Zackenberg_SeptT; Zackenberg_SeptW1; Zackenberg_SeptW2; Zackenberg_SeptW3; Zackenberg_SeptW4; Zackenberg_SeptW5; Zackenberg, Northeast Greenland
    Type: Dataset
    Format: text/tab-separated-values, 950 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 7
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    N water chemistry from small Arctic streams in relation to vegetation cover (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-27
    Description: In the Arctic, little information is available, especially in terms of N availability and composition (i.e., nitrate, ammonium, and dissolved organic nitrogen) from small, flowing waters. This data set aims to quantify N concentrations across small Arctic streams and explore the link between terrestrial vegetation and stream water N concentration. The data set is the result of a literature study where data on N water chemistry was collected and combined from peer-reviewed, published articles and data sets selected by specific criteria. 20 articles met the selected criteria along with four datasets from databases resulting in a total of 2381 observations on N water chemistry from Arctic flowing waters from 1996 to 2021. Bioclimate subzones, NDVI and phytomass describe vegetation. Data on dissolved organic nitrogen (DON) was scarce: only 161 of the 2381 observations contained DON data. We found that nitrate (NO3-), ammonium (NH4+) and DON ranged undetectable to 1155, 547 and 1587 µg N/l, respectively. We found that sparsely vegetated areas had higher stream water N-concentrations, while barren areas and higher vegetated areas had lower stream water N-concentrations.
    Keywords: Ammonium; Ammonium/Nitrate ratio; Arctic; Arctic_streams; Area/locality; Biomass, aboveground; Category; Country; Date; Description; Identification; LATITUDE; Literature based; LONGITUDE; Month; Name; Nitrate; Nitrogen; Nitrogen, inorganic, dissolved; Nitrogen, inorganic, dissolved/Nitrogen, organic, dissolved ratio; Nitrogen, organic, dissolved; Nitrogen, total dissolved; Normalized Difference Vegetation Index; Organic carbon, soil; Precipitation, annual mean; Reference/source; streams; Subzone; Temperature, air, annual mean; Temperature, air, maximum; Temperature, air, minimum; Temperature, annual mean; Uniform resource locator/link to reference; Water sample; WS; Year of publication; Year of sampling
    Type: Dataset
    Format: text/tab-separated-values, 65302 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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