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   set  data   graph     files  Marine impactful cryptogenic and alien species in the Greek Seas: A georeferenced
dataset (1893-2020)
   ?   F   I   M   background (external link) RSS Subscribe HCMR greekmarineicas_geodataset

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL AccConID String 21
attribute NC_GLOBAL AccConstrDescription String This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.
attribute NC_GLOBAL AccConstrDisplay String This dataset is licensed under a Creative Commons Attribution 4.0 International License.
attribute NC_GLOBAL AccConstrEN String Attribution (CC BY)
attribute NC_GLOBAL AccessConstraint String Attribution (CC BY)
attribute NC_GLOBAL AccessConstraints String None
attribute NC_GLOBAL Acronym String None
attribute NC_GLOBAL added_date String 2024-11-22 11:44:55.560000
attribute NC_GLOBAL BrackishFlag String None
attribute NC_GLOBAL CDate String 2024-11-18
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL CheckedFlag String 1
attribute NC_GLOBAL Citation String Sini M, Ragkousis M, Koukourouvli N, Katsanevakis S, Zenetos A (2024). Marine impactful cryptogenic and alien species in the Greek Seas: A georeferenced dataset (1893-2020). Version 2.0. Hellenic Center for Marine Research. Occurrence dataset. https://doi.org/10.25607/t2smha
attribute NC_GLOBAL Comments String None
attribute NC_GLOBAL ContactEmail String mariasini at marine.aegean.gr
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_name String Katsanevakis, Sini, Mavraki, Koukourouvli, Ragkousis, Rallis, Zenetos
attribute NC_GLOBAL CurrencyDate String None
attribute NC_GLOBAL DasID String 8697
attribute NC_GLOBAL DasOrigin String None
attribute NC_GLOBAL DasType String None
attribute NC_GLOBAL DasTypeID String None
attribute NC_GLOBAL DateLastModified String {'date': '2024-12-16 18:11:56.190000', 'timezone_type': 1, 'timezone': '+00:00'}
attribute NC_GLOBAL DescrCompFlag String None
attribute NC_GLOBAL DescrTransFlag String None
attribute NC_GLOBAL Easternmost_Easting double 29.63366
attribute NC_GLOBAL EmbargoDate String None
attribute NC_GLOBAL EngAbstract String The GreekMarineICAS geodataset was created as part of the project ALAS: Aliens in the Aegean – A Sea Under Siege project (https://alas.edu.gr/), with the aim to assess the spatial extent and potential impacts of alien species in the Aegean Sea, and to improve our understanding of the mechanisms driving the impacts of invasive alien species on native marine ecosystems.
attribute NC_GLOBAL EngDescr String Methodology of data compilation: Initially, an ICAS catalogue was created, including species classified as of high impact in the European Alien Species Information Network (EASIN), or as invasive or of high impact in recent review papers. A thorough search was conducted to look for information on the presence of these species in the Greek Seas. Georeferenced data, along with information on the reported date / year of sighting, depth range, abundance and habitat type were compiled using all available types of data sources, including published scientific literature, grey literature (e.g., theses, technical reports, and newspaper reports), offline databases (including records from past projects of universities, research institutes, the ELNAIS database, and citizen science initiatives), online scientific or citizen science databases (Algaebase, GBIF, OBIS, iNaturalist - only research-grade data), social networks (e.g., Instagram and Facebook), as well as through field work involving scientific diving and interviews with marine scientists, fishers and divers that were carried out during the ALAS project. In situ underwater sampling during the ALAS project was carried out in 2020 at 156 sites, and all sampling was conducted using non-destructive visual sampling techniques via SCUBA or free diving, down to a maximum of 20 m depth. Moreover, an unstructured interview approach was applied during the respective interviews with marine scientists, fishers and divers, while a photographic guide of the targeted ICAS was produced and provided during the interviews to enhance the species verification process. Information from social networks was specifically retrieved from the websites of diving centers, which were thoroughly checked for images of ICAS, and once relevant images were found the corresponding information was further validated through direct communication. All data were organized within an Excel spreadsheet and all duplicate records were deleted.
attribute NC_GLOBAL FreshFlag String None
attribute NC_GLOBAL geospatial_lat_max double 41.00376
attribute NC_GLOBAL geospatial_lat_min double 34.79273
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 29.63366
attribute NC_GLOBAL geospatial_lon_min double 19.51844
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 HCMR
attribute NC_GLOBAL keywords String aphia_id, BasisOfRecord, DayCollected, InstitutionCode, latitude, longitude, MaximumDepth, MinimumDepth, MonthCollected, Notes, ObservedIndividualCount, ScientificName, time, YearCollected
attribute NC_GLOBAL License String https://creativecommons.org/licenses/by/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 2024-11-22 00:00:00
attribute NC_GLOBAL Northernmost_Northing double 41.00376
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 None
attribute NC_GLOBAL PublicFlag String 1
attribute NC_GLOBAL ReleaseDate String Jun 10 2024 12:00AM
attribute NC_GLOBAL ReleaseDate0 String 2024-06-10
attribute NC_GLOBAL RevisionDate String None
attribute NC_GLOBAL SizeReference String None
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 34.79273
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL StandardTitle String Marine impactful cryptogenic and alien species in the Greek Seas: A georeferenced dataset (1893-2020)
attribute NC_GLOBAL StatusID String 1
attribute NC_GLOBAL subsetVariables String ScientificName,BasisOfRecord,YearCollected,MonthCollected,DayCollected,aphia_id
attribute NC_GLOBAL summary String The GreekMarineICAS geodataset was created as part of the project ALAS: Aliens in the Aegean – A Sea Under Siege project (https://alas.edu.gr/), with the aim to assess the spatial extent and potential impacts of alien species in the Aegean Sea, and to improve our understanding of the mechanisms driving the impacts of invasive alien species on native marine ecosystems.
attribute NC_GLOBAL TerrestrialFlag String None
attribute NC_GLOBAL time_coverage_start String 1893-01-01T01:00:00Z
attribute NC_GLOBAL title String Marine impactful cryptogenic and alien species in the Greek Seas: A georeferenced dataset (1893-2020)
attribute NC_GLOBAL UDate String 2024-11-18
attribute NC_GLOBAL VersionDate String Jun 10 2024 12:00AM
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 19.51844
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 1893.0, 2020.0
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 2.0, 18.0
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, 30.0
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 -2.4298236E9, NaN
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 MinimumDepth   float  
attribute MinimumDepth actual_range float 0.0, 162.0
attribute MinimumDepth long_name String MinimumDepth
attribute MinimumDepth units String None
attribute MinimumDepth units_uri String None
variable MaximumDepth   float  
attribute MaximumDepth actual_range float 0.0, 162.0
attribute MaximumDepth long_name String MaximumDepth
attribute MaximumDepth units String None
attribute MaximumDepth units_uri String None
variable ObservedIndividualCount   float  
attribute ObservedIndividualCount actual_range float 1.0, 2000.0
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 19.51844, 29.63366
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 34.79273, 41.00376
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   String  
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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