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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_971975_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_971975_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_971975_v1/ public [Bulk SIA of gelatinous zooplankton] - Bulk tissue stable isotope analysis of zooplankton samples collected by MOCNESS from R/V Sally Ride and R/V Roger Revelle cruises in the southern California Current Ecosystem from 2020-2023 (Resolving vertical trophic linkages between surface and deep pelagic food webs) We estimated the trophic positions of abundant gelatinous zooplankton (chaetognaths, cnidarians, ctenophores, molluscs, and pelagic tunicates) in the southern California Current Ecosystem using stable carbon and nitrogen isotope analysis. Gelatinous zooplankton were collected on four research cruises on the R/V Sally Ride and R/V Roger Revelle between 2020 and 2023 and from 0 to 3,000 meters depth using a 10-square-meter Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS). 561 samples of gelatinous zooplankton from thirteen taxonomic groups were chosen for bulk tissue stable isotope analysis. An additional twenty samples from seven gelatinous genera were chosen for nitrogen compound-specific isotope analysis of amino acids because they were abundant across our region and represented a range of hypothesized feeding guilds and depth habitats (0 – 1,025 meters). Gelatinous zooplankton were briefly thawed to remove visible gut contents using forceps and a scalpel. Samples were then lyophilized and homogenized. To ensure sufficient sample mass for stable isotope analysis, samples often contained multiple individuals from the same net, taxonomic group, and size class. The number of individuals per sample was typically fewer than 100, with a larger number of individuals pooled for some samples of Pantachogon spp. and Hormiphora spp. Samples were processed for bulk tissue stable isotope analysis at the University of Hawaii at Manoa and the University of California Merced. This dataset includes the bulk tissue stable isotope measurements of carbon and nitrogen as well as specimen metadata (e.g., animal body size, collection location/time).\n\ncdm_data_type = Other\nVARIABLES:\nspecimen_number (unitless)\nphylum (unitless)\ngenus (unitless)\nbest_taxonomic_ID (unitless)\ntow (unitless)\nnet (unitless)\nDate_UTC (unitless)\nyear (unitless)\nmonth (unitless)\nday (unitless)\n... (19 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_971975_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_971975_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_971975_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/971975 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_971975_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_971975_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_971975_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_982454_v1 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_982454_v1.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_982454_v1/ public [CSIA of gelatinous zooplankton] -  (Resolving vertical trophic linkages between surface and deep pelagic food webs) We estimated the trophic positions of abundant gelatinous zooplankton (chaetognaths, cnidarians, ctenophores, molluscs, and pelagic tunicates) in the southern California Current Ecosystem using stable carbon and nitrogen isotope analysis. Gelatinous zooplankton were collected on four research cruises on the R/V Sally Ride and R/V Roger Revelle between 2020 and 2023 and from 0 to 3,000 m depth using a 10 m2 Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS). 561 samples of gelatinous zooplankton from 13 taxonomic groups were chosen for bulk tissue stable isotope analysis. An additional twenty samples from seven gelatinous genera were chosen for nitrogen compound-specific isotope analysis of amino acids because they were abundant across our region and represented a range of hypothesized feeding guilds and depth habitats (0 – 1,025 m). Gelatinous zooplankton were briefly thawed to remove visible gut contents using forceps and a scalpel. Samples were then lyophilized and homogenized. To ensure sufficient sample mass for stable isotope analysis, samples often contained multiple individuals from the same net, taxonomic group, and size class. The number of individuals per sample was typically fewer than 100, with a larger number of individuals pooled for some samples of Pantachogon spp. and Hormiphora spp. Samples were processed for nitrogen compound-specific isotope analysis at the Laboratory for Marine Organic Isotope Geochemistry at the University of Miami. This dataset includes the nitrogen compound-specific isotope values of amino acids for each gelatinous zooplankton sample and the sample's estimated trophic position.\n\ncdm_data_type = Other\nVARIABLES:\nspecimen_number (unitless)\nbest_taxonomic_ID (unitless)\ntow (unitless)\nnet (unitless)\nDate_UTC (unitless)\nyear (unitless)\nmonth (unitless)\nday (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\n... (33 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_982454_v1_fgdc.xml https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_982454_v1_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_982454_v1/index.htmlTable https://osprey.bco-dmo.org/dataset/982454 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_982454_v1.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_982454_v1&showErrors=false&email= BCO-DMO bcodmo_dataset_982454_v1

 
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