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   set  data   graph     files  Giant Devil Rays in the North-Western Mediterranean Sea    ?   F   I   M   background (external link) RSS Subscribe None zd_1370

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL AccConID String 24
attribute NC_GLOBAL AccConstrDescription String This license lets others remix, tweak, and build upon your work non-commercially, and although their new works must also acknowledge you and be non-commercial, they don’t have to license their derivative works on the same terms
attribute NC_GLOBAL AccConstrDisplay String This dataset is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
attribute NC_GLOBAL AccConstrEN String Attribution-NonCommercial (CC BY-NC)
attribute NC_GLOBAL AccessConstraint String Attribution-NonCommercial (CC BY-NC)
attribute NC_GLOBAL AccessConstraints String None
attribute NC_GLOBAL Acronym String None
attribute NC_GLOBAL added_date String 2018-03-13 10:00:19.767000
attribute NC_GLOBAL BrackishFlag String 0
attribute NC_GLOBAL CDate String 2017-10-02
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL CheckedFlag String 0
attribute NC_GLOBAL Citation String Notarbartolo di Sciara, G. 2016. Giant Devil Rays in the North-Western Mediterranean Sea. Data downloaded from OBIS-SEAMAP (http://seamap.env.duke.edu/dataset/1370) on yyyy-mm-dd.
attribute NC_GLOBAL Comments String None
attribute NC_GLOBAL ContactEmail String None
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_name String Notarbartolo di Sciara
attribute NC_GLOBAL CurrencyDate String None
attribute NC_GLOBAL DasID String 5824
attribute NC_GLOBAL DasOrigin String Research: field survey
attribute NC_GLOBAL DasType String Data
attribute NC_GLOBAL DasTypeID String 1
attribute NC_GLOBAL DateLastModified String {'date': '2025-02-14 01:35:29.490225', 'timezone_type': 1, 'timezone': '+01:00'}
attribute NC_GLOBAL DescrCompFlag String 0
attribute NC_GLOBAL DescrTransFlag String 0
attribute NC_GLOBAL Easternmost_Easting double 19.0
attribute NC_GLOBAL EmbargoDate String None
attribute NC_GLOBAL EngAbstract String Original provider: Giuseppe Notarbartolo di Sciara, Tethys Research Institute Dataset credits: Tethys Research Institute Abstract: The giant devil ray <i>Mobula mobular</i>, the only Mediterranean mobulid, is subject to mortality caused by directed and accidental captures in fisheries throughout the region. Whilst the combination of human impacts, limited range and a low reproductive potential is not inconsistent with its endangered listing, there are insufficient data to enable a quantitative assessment of trends. Without this, it is difficult to assess and prioritise threats and develop effective conservation actions.
attribute NC_GLOBAL EngDescr String Using results from aerial surveys conducted between 2009 and 2014 over the Ligurian, Corsican, Sardinian, northern and central Tyrrhenian seas (626,228 km2), this study provides the first quantitative information on giant devil ray abundance and habitat choice in the western Mediterranean. Devil rays were observed in all seasons except winter, with their estimated abundance in the study area peaking in summer. The overall uncorrected mean density in the study area during summer was estimated at 0.0257 individuals km-2 (range: 0.017–0.044), resulting in a total abundance estimate of 6,092 (12.7%CV) individuals at the surface; once corrected for availability bias, this estimate indicates a summer presence of >12,700 devil rays in the study area. Rays were mostly observed alone even if occasionally, larger aggregations up to a maximum of 18 individuals were observed. Although observed throughout the study area, spatial modelling identified their preferred habitat to be over a broad strip connecting the Tuscan Archipelago to Eastern Sardinia, over a wide range of water depths ranging from 10 to 2000m. The observed seasonal changes in giant devil ray distribution in this study, combined with similar evidence from other areas in the Mediterranean, support the hypothesis that the species undertakes latitudinal migrations across the region, taking advantage of highly productive waters in the north during summer, and warmer southern waters during winter. Supplemental information: Some records do not have time part.
attribute NC_GLOBAL FreshFlag String 0
attribute NC_GLOBAL GBIF_UUID String c9b33318-2033-4f94-afcf-e88ba2ddb272
attribute NC_GLOBAL geospatial_lat_max double 44.3
attribute NC_GLOBAL geospatial_lat_min double 36.28
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 19.0
attribute NC_GLOBAL geospatial_lon_min double 5.855
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String None
attribute NC_GLOBAL InputNotes String None
attribute NC_GLOBAL institution String None
attribute NC_GLOBAL keywords String aphia_id, BasisOfRecord, DayCollected, InstitutionCode, latitude, longitude, MonthCollected, Notes, ObservedIndividualCount, ScientificName, time, TimeOfDay, YearCollected
attribute NC_GLOBAL License String https://creativecommons.org/licenses/by-nc/4.0 (external link)
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL Lineage String None
attribute NC_GLOBAL MarineFlag String 1
attribute NC_GLOBAL modified_sync String 2021-02-04 00:00:00
attribute NC_GLOBAL Northernmost_Northing double 44.3
attribute NC_GLOBAL OrigAbstract String None
attribute NC_GLOBAL OrigDescr String None
attribute NC_GLOBAL OrigDescrLang String None
attribute NC_GLOBAL OrigDescrLangNL String None
attribute NC_GLOBAL OrigLangCode String None
attribute NC_GLOBAL OrigLangCodeExtended String None
attribute NC_GLOBAL OrigLangID String None
attribute NC_GLOBAL OrigTitle String None
attribute NC_GLOBAL OrigTitleLang String None
attribute NC_GLOBAL OrigTitleLangCode String None
attribute NC_GLOBAL OrigTitleLangID String None
attribute NC_GLOBAL OrigTitleLangNL String None
attribute NC_GLOBAL Progress String Completed
attribute NC_GLOBAL PublicFlag String 1
attribute NC_GLOBAL ReleaseDate String None
attribute NC_GLOBAL ReleaseDate0 String None
attribute NC_GLOBAL RevisionDate String None
attribute NC_GLOBAL SizeReference String 298 records
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 36.28
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL StandardTitle String Giant Devil Rays in the North-Western Mediterranean Sea
attribute NC_GLOBAL StatusID String 1
attribute NC_GLOBAL subsetVariables String ScientificName,BasisOfRecord,YearCollected,MonthCollected,DayCollected,aphia_id
attribute NC_GLOBAL summary String Original provider: Giuseppe Notarbartolo di Sciara, Tethys Research Institute Dataset credits: Tethys Research Institute Abstract: The giant devil ray <i>Mobula mobular</i>, the only Mediterranean mobulid, is subject to mortality caused by directed and accidental captures in fisheries throughout the region. Whilst the combination of human impacts, limited range and a low reproductive potential is not inconsistent with its endangered listing, there are insufficient data to enable a quantitative assessment of trends. Without this, it is difficult to assess and prioritise threats and develop effective conservation actions.
attribute NC_GLOBAL TerrestrialFlag String 0
attribute NC_GLOBAL time_coverage_end String 2013-08-07T10:34:16Z
attribute NC_GLOBAL time_coverage_start String 2009-07-21T15:11:21Z
attribute NC_GLOBAL title String Giant Devil Rays in the North-Western Mediterranean Sea
attribute NC_GLOBAL UDate String 2017-12-13
attribute NC_GLOBAL VersionDate String None
attribute NC_GLOBAL VersionDay String None
attribute NC_GLOBAL VersionMonth String None
attribute NC_GLOBAL VersionName String None
attribute NC_GLOBAL VersionYear String None
attribute NC_GLOBAL VlizCoreFlag String 1
attribute NC_GLOBAL Westernmost_Easting double 5.855
variable ScientificName   String  
attribute ScientificName long_name String ScientificName
attribute ScientificName sdn_P02_name String SeaDataNet biological format biotic parameters
attribute ScientificName sdn_P02_uri String https://vocab.nerc.ac.uk/collection/P02/current/BPRP/ (external link)
attribute ScientificName sdn_P02_urn String SDN:P02::BPRP
attribute ScientificName sdn_parameter_name String Taxon of biological entity specified elsewhere
attribute ScientificName sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/ (external link)
attribute ScientificName sdn_parameter_urn String SDN:P01::SCNAME01
attribute ScientificName sdn_uom_name String Not applicable
attribute ScientificName sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/XXXX/ (external link)
attribute ScientificName sdn_uom_urn String SDN:P06::XXXX
attribute ScientificName standard_name String scientificname
attribute ScientificName units String Not applicable
attribute ScientificName units_uri String https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/ (external link)
variable BasisOfRecord   String  
attribute BasisOfRecord long_name String BasisOfRecord
attribute BasisOfRecord units String None
attribute BasisOfRecord units_uri String None
variable InstitutionCode   String  
attribute InstitutionCode long_name String InstitutionCode
attribute InstitutionCode units String None
attribute InstitutionCode units_uri String None
variable YearCollected   float  
attribute YearCollected actual_range float 2009.0, 2013.0
attribute YearCollected long_name String YearCollected
attribute YearCollected units String None
attribute YearCollected units_uri String None
variable MonthCollected   float  
attribute MonthCollected actual_range float 1.0, 8.0
attribute MonthCollected long_name String MonthCollected
attribute MonthCollected units String None
attribute MonthCollected units_uri String None
variable DayCollected   float  
attribute DayCollected actual_range float 1.0, 31.0
attribute DayCollected long_name String DayCollected
attribute DayCollected units String None
attribute DayCollected units_uri String None
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.248189081E9, 1.375871656E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01T00:00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z
attribute time units_uri String https://vocab.nerc.ac.uk/collection/P01/current/CJDY1101 (external link)
variable TimeOfDay   float  
attribute TimeOfDay actual_range float 0.0, 17.25
attribute TimeOfDay long_name String TimeOfDay
attribute TimeOfDay units String None
attribute TimeOfDay units_uri String None
variable ObservedIndividualCount   float  
attribute ObservedIndividualCount actual_range float 1.0, 18.0
attribute ObservedIndividualCount long_name String ObservedIndividualCount
attribute ObservedIndividualCount units String http://rs.tdwg.org/dwc/terms/individualCount (external link)
attribute ObservedIndividualCount units_uri String http://rs.tdwg.org/dwc/terms/individualCount (external link)
variable Notes   String  
attribute Notes long_name String Notes
attribute Notes units String None
attribute Notes units_uri String None
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float 5.855, 19.0
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
attribute longitude units_uri String https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01 (external link)
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 36.28, 44.3
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
attribute latitude units_uri String https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01 (external link)
variable aphia_id   float  
attribute aphia_id long_name String aphia_id
attribute aphia_id sdn_P02_name String SeaDataNet biological format biotic parameters
attribute aphia_id sdn_P02_uri String https://vocab.nerc.ac.uk/collection/P02/current/BPRP/ (external link)
attribute aphia_id sdn_P02_urn String SDN:P02::BPRP
attribute aphia_id sdn_parameter_name String Identifier (LSID) of biological entity specified elsewhere
attribute aphia_id sdn_parameter_uri String https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/ (external link)
attribute aphia_id sdn_parameter_urn String SDN:P01::SNANID01
attribute aphia_id sdn_uom_name String Not applicable
attribute aphia_id sdn_uom_uri String https://vocab.nerc.ac.uk/collection/P06/current/XXXX/ (external link)
attribute aphia_id sdn_uom_urn String SDN:P06::XXXX
attribute aphia_id standard_name String aphia_id
attribute aphia_id units String Not applicable
attribute aphia_id units_uri String https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/ (external link)

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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