BCO-DMO ERDDAP
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.962096.1
attribute NC_GLOBAL Easternmost_Easting double -124.6971
attribute NC_GLOBAL geospatial_lat_max double 46.16988
attribute NC_GLOBAL geospatial_lat_min double 42.50084
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -124.6971
attribute NC_GLOBAL geospatial_lon_min double -125.8082
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://osprey.bco-dmo.org/dataset/962096 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended\nfor legal use, since it may contain inaccuracies. Neither the data\nContributor, ERD, NOAA, nor the United States Government, nor any\nof their employees or contractors, makes any warranty, express or\nimplied, including warranties of merchantability and fitness for a\nparticular purpose, or assumes any legal liability for the accuracy,\ncompleteness, or usefulness, of this information.
attribute NC_GLOBAL Northernmost_Northing double 46.16988
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 42.50084
attribute NC_GLOBAL summary String Mucous mesh grazers including pelagic tunicates and thecosome pteropods play a key role in oceanic food webs. Using their fine mucous meshes, these pelagic grazers ingest a wide range of planktonic prey and link pelagic and benthic marine ecosystems. Characterizing the diet of this group is central to fully understanding marine food webs and developing accurate food web models. \n\nMicroscopy has largely been supplanted by other methods, but it remains valuable for its precision in determining cell size and morphology, which are key to characterize the diet and feeding mechanics of grazers. In this study, we use environmental scanning electron microscopy (ESEM) to examine the gut contents of several mucous mesh grazers from the Northern California Current (NCC) including Dolioletta gegenbauri, Thetys vagina, Pegea socia, Pyrosoma atlanticum, and Limacina helicina. Our findings provide size and taxonomic resolution of the prey of these mucous mesh grazers and expands the known prey size range for some species. In the results paper, we also discuss the advantages of using microscopy, including insights into prey morphology and integrity, which enhances our understanding of feeding selectivity, prey defenses, and the fate of grazed plankton in marine ecosystems. Our results reinforce the significant predatory role of mucous mesh grazers in planktonic ecosystems and food webs. \n\nThis dataset includes size measurements of prey items found in the guts of each gelatinous grazer species which were collected and processed in the NCC over two sampling seasons and oceanographic research cruises, as well as background oceanographic data for these stations. The dataset includes collection metadata, CTD summary data, image analysis metadata, grazer species information, prey ids, and prey counts.
attribute NC_GLOBAL time_coverage_end String 2022-07-28T17:00:00Z
attribute NC_GLOBAL time_coverage_start String 2022-03-04T17:24:00Z
attribute NC_GLOBAL title String [CTD and prey size data in Northern California Current 2022] - CTD summary and prey size data for five mucous mesh grazer species collected during R/V Sikuliaq Cruise SKQ202204S and R/V Marcus G. Langseth Cruise MGL2207 in the Northern California Current in Mar and Jul 2022 (Collaborative Proposal: Are all cell surfaces the same? The effects of particle surface property on predator-prey interactions in the microbial loop)
attribute NC_GLOBAL Westernmost_Easting double -125.8082
variable station_season_id String
attribute station_season_id long_name String Station_season_id
attribute station_season_id units String unitless
variable DateTime_Local_PT String
attribute DateTime_Local_PT long_name String Datetime_local_pt
attribute DateTime_Local_PT units String unitless
variable stationID String
attribute stationID long_name String Stationid
attribute stationID units String unitless
variable season String
attribute season long_name String Season
attribute season units String unitless
variable latitude float
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 42.50084, 46.16988
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude float
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -125.8082, -124.6971
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Long
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable image String
attribute image long_name String Image
attribute image units String unitless
variable scale int
attribute scale actual_range int 100, 500
attribute scale long_name String Scale
attribute scale units String µm
variable grazers_species String
attribute grazers_species long_name String Grazers_species
attribute grazers_species units String unitless
variable preyID String
attribute preyID long_name String Preyid
attribute preyID units String unitless
variable prey_number int
attribute prey_number actual_range int 1, 118
attribute prey_number long_name String Prey_number
attribute prey_number units String unitless
variable grid int
attribute grid actual_range int 1, 24
attribute grid long_name String Grid
attribute grid units String unitless
variable W float
attribute W actual_range float 0.172652, 238.605
attribute W long_name String W
attribute W units String µm
variable L float
attribute L actual_range float 0.172652, 217.1961
attribute L long_name String L
attribute L units String µm
variable area float
attribute area actual_range float 3.0E-5, 3.014779
attribute area long_name String Area
attribute area units String µm2
variable max_measure float
attribute max_measure actual_range float 0.172652, 238.605
attribute max_measure long_name String Max_measure
attribute max_measure units String µm
variable temp_5m float
attribute temp_5m actual_range float 8.6772, 17.59646
attribute temp_5m long_name String Temp_5m
attribute temp_5m units String degrees Celsius
variable fluor_5m float
attribute fluor_5m actual_range float 0.03245837, 2.026
attribute fluor_5m long_name String Fluor_5m
attribute fluor_5m units String mg per m^3
variable fluor_max float
attribute fluor_max actual_range float 0.6742, 13.8645
attribute fluor_max long_name String Fluor_max
attribute fluor_max units String mg per m^3
variable dist_from_coast float
attribute dist_from_coast actual_range float 55.66956, 138.2134
attribute dist_from_coast long_name String Dist_from_coast
attribute dist_from_coast units String km
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.64641464E9, 1.6590276E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Iso_datetime_utc
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable grazers_AphiaID String
attribute grazers_AphiaID long_name String Grazers_aphiaid
attribute grazers_AphiaID units String unitless
variable grazers_LSID String
attribute grazers_LSID long_name String Grazers_lsid
attribute grazers_LSID units String unitless

 
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