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 data       graph     files  Density of Loggerhead Turtles in the Mediterranean Sea    ?            M   background (external link) RSS Subscribe
Naval Undersea Wa...  ?
biology_8514_94a0_0784_7406

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String The authors would like to thank all the data providers and organizations that contributed line transect surveys and dive data to this project: Blue World Institute, The University of Valencia, Tethys Institute, ISPRA, IFAW, The University of Exeter, ACCOBAMS, PELAGIS, Alnitak, Stazione Zoologica Anton Dorne, Julie Belmont, Simone Panigada, Olivier Boisseau, Giancarlo Lauriano, Drasko Holcer, Caterina Fortuna, Vincent Ridoux, Helene Peltier, Toni Raga, David March, Robin Snape, Sandra Hochscheid, Annette Broderick, Brendan Godley, Robin Snape, and Julia Haywood. Jason Roberts and Ana Canadas provided analytical support and cleaned and delivered much of the line transect survey data. Elizabeth Becker and David Miller provided R code and advice on including environmental variability in the uncertainty estimate. Danielle Jones of the Naval Facilities Engineering Command Atlantic assisted with project management.
attribute NC_GLOBAL CDI String Climate Data Interface version 2.0.4 (https://mpimet.mpg.de/cdi)
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL CDO String Climate Data Operators version 2.0.4 (https://mpimet.mpg.de/cdo)
attribute NC_GLOBAL citation String Sparks, Laura M. DiMatteo, Andrew D (2020) Loggerhead Sea Turtle Density in the Mediterranean Sea. Technical Report prepared for Naval Undersea Warfare Center Division.
attribute NC_GLOBAL comment String Uses attributes recommended by https://cfconventions.org
attribute NC_GLOBAL Conventions String CF-1.8, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_email String laura.m.sparks.civ at us.navy.mil
attribute NC_GLOBAL creator_institution String Naval Undersea Warfare Center Division
attribute NC_GLOBAL creator_name String Sparks, Laura M.; DiMatteo, Andrew D
attribute NC_GLOBAL creator_url String https://discover.dtic.mil/ (external link)
attribute NC_GLOBAL date_created String 2024-03-05
attribute NC_GLOBAL GDAL String GDAL 3.4.1, released 2021/12/27
attribute NC_GLOBAL grid_mapping_crs_wkt String PROJCS["ETRS89-extended / LAEA Europe",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Lambert_Azimuthal_Equal_Area"],PARAMETER["latitude_of_center",52],PARAMETER["longitude_of_center",10],PARAMETER["false_easting",4321000],PARAMETER["false_northing",3210000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Northing",NORTH],AXIS["Easting",EAST],AUTHORITY["EPSG","3035"]]
attribute NC_GLOBAL grid_mapping_false_easting double 4321000.0
attribute NC_GLOBAL grid_mapping_false_northing double 3210000.0
attribute NC_GLOBAL grid_mapping_GeoTransform String 2878324.732 10000 0 2521362.5469 0 -10000
attribute NC_GLOBAL grid_mapping_inverse_flattening double 298.257222101
attribute NC_GLOBAL grid_mapping_latitude_of_projection_origin double 52.0
attribute NC_GLOBAL grid_mapping_long_name String CRS definition
attribute NC_GLOBAL grid_mapping_longitude_of_prime_meridian double 0.0
attribute NC_GLOBAL grid_mapping_longitude_of_projection_origin double 10.0
attribute NC_GLOBAL grid_mapping_name String lambert_azimuthal_equal_area
attribute NC_GLOBAL grid_mapping_semi_major_axis double 6378137.0
attribute NC_GLOBAL grid_mapping_spatial_ref String PROJCS["ETRS89-extended / LAEA Europe",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Lambert_Azimuthal_Equal_Area"],PARAMETER["latitude_of_center",52],PARAMETER["longitude_of_center",10],PARAMETER["false_easting",4321000],PARAMETER["false_northing",3210000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Northing",NORTH],AXIS["Easting",EAST],AUTHORITY["EPSG","3035"]]
attribute NC_GLOBAL history String Tue Jul 23 13:28:53 2024: ncatted -O -a acknowledgement,global,o,c,The authors would like to thank all the data providers and organizations that contributed line transect surveys and dive data to this project: Blue World Institute, The University of Valencia, Tethys Institute, ISPRA, IFAW, The University of Exeter, ACCOBAMS, PELAGIS, Alnitak, Stazione Zoologica Anton Dorne, Julie Belmont, Simone Panigada, Olivier Boisseau, Giancarlo Lauriano, Drasko Holcer, Caterina Fortuna, Vincent Ridoux, Helene Peltier, Toni Raga, David March, Robin Snape, Sandra Hochscheid, Annette Broderick, Brendan Godley, Robin Snape, and Julia Haywood. Jason Roberts and Ana Canadas provided analytical support and cleaned and delivered much of the line transect survey data. Elizabeth Becker and David Miller provided R code and advice on including environmental variability in the uncertainty estimate. Danielle Jones of the Naval Facilities Engineering Command Atlantic assisted with project management. density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a citation,global,o,c,Sparks, Laura M. DiMatteo, Andrew D (2020) Loggerhead Sea Turtle Density in the Mediterranean Sea. Technical Report prepared for Naval Undersea Warfare Center Division. density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a license,global,o,c,Distribution Statement A: Approved for public release: distribution unlimited. density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a comment,global,o,c,Uses attributes recommended by https://cfconventions.org density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a geospatial_lon_units,global,o,c,degrees_east density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a geospatial_lat_units,global,o,c,degrees_north density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a publisher_institution,global,o,c,Flanders Marine Institute (VLIZ) density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a creator_institution,global,o,c,Naval Undersea Warfare Center Division density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a geospatial_lon_max,global,o,f,1882655.229 density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a geospatial_lon_min,global,o,f,-1892344.771 density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a geospatial_lat_max,global,o,f,865336.071 density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a geospatial_lat_min,global,o,f,-849663.929 density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a publisher_url,global,o,c,https://emodnet.ec.europa.eu/en/biology density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a publisher_email,global,o,c,bio@emodnet.eu density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a publisher_name,global,o,c,EMODnet-Biology density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a project,global,o,c,EMODnet-Biology density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a institution,global,o,c,Naval Undersea Warfare Center Division density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a creator_url,global,o,c,https://discover.dtic.mil/ density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a creator_email,global,o,c,laura.m.sparks.civ@us.navy.mil density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a creator_name,global,o,c,Sparks, Laura M.; DiMatteo, Andrew D density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a date_created,global,o,c,2024-03-05 density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a standard_name_vocabulary,global,o,c,CF Standard Name Table v1.8 density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a license,global,o,c,CC-BY density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a source,global,o,c,https://seamap.env.duke.edu/models/NUWC/Med/ density_loggerhead_mediterranean_8514_epsg_3035.nc
Tue Jul 23 13:28:53 2024: ncatted -O -a history,global,o,c,https://doi.org/10.3389/fmars.2022.930412 density_loggerhead_mediterranean_8514_epsg_3035.nc
https://doi.org/10.3389/fmars.2022.930412
attribute NC_GLOBAL infoUrl String https://discover.dtic.mil/ (external link)
attribute NC_GLOBAL institution String Naval Undersea Warfare Center Division
attribute NC_GLOBAL keywords String abundance, area, bed, biological, center, coefficient, coefficient_of_variation, data, density, division, elsewhere, entity, loggerhead, mediterranean, naval, per, sea, specified, turtles, undersea, unit, variation, warfare
attribute NC_GLOBAL license String Distribution Statement A: Approved for public release: distribution unlimited.
attribute NC_GLOBAL naming_authority String emodnet.eu
attribute NC_GLOBAL NCO String netCDF Operators version 5.0.6 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)
attribute NC_GLOBAL project String EMODnet-Biology
attribute NC_GLOBAL publisher_email String bio at emodnet.eu
attribute NC_GLOBAL publisher_institution String Flanders Marine Institute (VLIZ)
attribute NC_GLOBAL publisher_name String EMODnet-Biology
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String https://emodnet.ec.europa.eu/en/biology (external link)
attribute NC_GLOBAL source String https://seamap.env.duke.edu/models/NUWC/Med/ (external link)
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL summary String Loggerhead turtles are a globally vulnerable species of marine turtle. The Mediterranean Sea subpopulation, which ranges throughout the entire Mediterranean basin, is listed as least concern but experiences significant threats in the region including bycatch in fisheries, climate change, coastal development, and marine pollution. Broad-scale patterns of distribution and abundance can provide regional managers a tool to effectively conserve and manage this species at basin and sub-basin scales. Here NUWC uses aerial and shipboard line transect survey data collected between 2003 and 2018 to estimate density and abundance throughout the Mediterranean Sea using distance sampling methodology. A spatial density model estimating loggerhead density, abundance, and distribution across the Mediterranean Sea was generated as a long-term annual average. The model was adjusted for availability bias using dive data from loggerhead turtles tagged with time depth recorders from multiple regions within the Mediterranean Sea. Geographic extrapolation in areas near surveys was undertaken with caution. Mean abundance for the long-term average model was estimated as 994,000 CV 0.20. This estimate represents the first basin-wide estimate of abundance for this species in the Mediterranean not based on demographic models. These data have been re-projected from the original published data presented in DiMatteo et al. 2024, in order to meet EMODnet technical requirements. Small spatial mismatches and value discrepancies between the original model and the version available here may exist but have not been formally assessed.
attribute NC_GLOBAL title String Density of Loggerhead Turtles in the Mediterranean Sea
dimension y   double nValues=166, evenlySpaced=true, averageSpacing=10000.0
attribute y actual_range double 866362.5469, 2516362.5469
attribute y axis String Y
attribute y long_name String y coordinate of projection
attribute y standard_name String projection_y_coordinate
attribute y units String m
dimension x   double nValues=380, evenlySpaced=true, averageSpacing=10000.0
attribute x actual_range double 2883324.732, 6673324.732
attribute x axis String X
attribute x long_name String x coordinate of projection
attribute x standard_name String projection_x_coordinate
attribute x units String m
variable abundance   float y, x
attribute abundance _FillValue float -9999.0
attribute abundance long_name String Abundance of biological entity specified elsewhere per unit area of the bed
attribute abundance missing_value float -9999.0
variable coefficient_of_variation   float y, x
attribute coefficient_of_variation _FillValue float -9999.0
attribute coefficient_of_variation long_name String Coefficient of Variation
attribute coefficient_of_variation missing_value float -9999.0

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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