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| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| set | data | graph | files | ICES North Sea International Bottom Trawl Survey for commercial fish species | 
| F I M | background
| 
| 
| ICES | ices_DATRAS_NS_IBTS |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| 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 | ICES Data Policy: https://www.ices.dk/data/guidelines-and-policy/Pages/ICES-data-policy.aspx |
| attribute | NC_GLOBAL | Acronym | String | NS-IBTS |
| attribute | NC_GLOBAL | BrackishFlag | String | 0 |
| attribute | NC_GLOBAL | CDate | String | 2010-12-22 |
| attribute | NC_GLOBAL | cdm_data_type | String | Other |
| attribute | NC_GLOBAL | CheckedFlag | String | 0 |
| attribute | NC_GLOBAL | Citation | String | Fish trawl survey: ICES North Sea International Bottom Trawl Survey for commercial fish species. ICES Database of trawl surveys (DATRAS). The International Council for the Exploration of the Sea, Copenhagen. 2010. Online source: http://ecosystemdata.ices.dk. |
| 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 | Holdsworth |
| attribute | NC_GLOBAL | CurrencyDate | String | None |
| attribute | NC_GLOBAL | DasID | String | 2763 |
| attribute | NC_GLOBAL | DasOrigin | String | Monitoring: field survey |
| attribute | NC_GLOBAL | DasType | String | Data |
| attribute | NC_GLOBAL | DasTypeID | String | 1 |
| attribute | NC_GLOBAL | DescrCompFlag | String | 0 |
| attribute | NC_GLOBAL | DescrTransFlag | String | 0 |
| attribute | NC_GLOBAL | Easternmost_Easting | double | 12.875 |
| attribute | NC_GLOBAL | EmbargoDate | String | None |
| attribute | NC_GLOBAL | EngAbstract | String | The dataset includes age- and length-based catch per unit effort data for commercial fish species in ICES roundfish areas. |
| attribute | NC_GLOBAL | EngDescr | String | In the North Sea the IBTS started in the 1960's as a survey that was directed at juvenile herring and was at that time called the International Young Herring Survey (IYHS). As it was gradually realised that the survey also yielded valuable information for other fish species, such as cod and haddock, the objectives were broadened and the survey was renamed into the International Young Fish Survey (IYFS). Besides the IYFS, which was carried out in the first quarter, a number of national surveys developed in the 1970's and 1980's that were mainly carried out in the third quarter. In 1990 ICES decided to combine the international and the national surveys into the IBTS. The IBTS is carried out twice per year (1st and 3rd Quarters) since 1997 and on a quarterly basis in the period 1991-1996. Prior to 1977 there was no standardisation of gear although all ships used bottom trawls with a small mesh cover. In 1977 ICES recommended that all ships should use a GOV trawl as specified by the Institut des Peches Maritimes, Boulogne. A detailed description of the net is to be found in the manual (Anon. 2004). The GOV trawl has been gradually phased in, e.g. in 1979 only 3 vessels were equipped with the GOV trawl, but by 1983 all 8 nations were using this gear. It should be noted that although the gear is now standard, variations in the rigging exist between the various countries. The fishing method is also standardized and described in the manual (Anon. 2004). Fishing speed is 4 knots measured as trawl speed over the ground. In 1977 ICES also recommended that the duration of a tow should be reduced from an hour to half an hour with the catch data to be expressed in numbers per hour. All nations accepted this recommendation although it was a number of years before 30 minutes became the standard. |
| attribute | NC_GLOBAL | FreshFlag | String | 0 |
| attribute | NC_GLOBAL | geospatial_lat_max | double | 61.88 |
| attribute | NC_GLOBAL | geospatial_lat_min | double | 49.88 |
| attribute | NC_GLOBAL | geospatial_lat_units | String | degrees_north |
| attribute | NC_GLOBAL | geospatial_lon_max | double | 12.875 |
| attribute | NC_GLOBAL | geospatial_lon_min | double | -3.967 |
| 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 | ICES |
| attribute | NC_GLOBAL | keywords | String | aphia_id, BasisOfRecord, DayCollected, InstitutionCode, latitude, longitude, MaximumDepth, MonthCollected, Notes, ObservedIndividualCount, ScientificName, sex, time, TimeOfDay, YearCollected |
| attribute | NC_GLOBAL | License | String | https://creativecommons.org/licenses/by/4.0/ |
| 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 | Northernmost_Northing | double | 61.88 |
| attribute | NC_GLOBAL | OrigAbstract | String | None |
| attribute | NC_GLOBAL | OrigDescr | String | None |
| attribute | NC_GLOBAL | OrigDescrLang | String | English |
| attribute | NC_GLOBAL | OrigDescrLangNL | String | Engels |
| attribute | NC_GLOBAL | OrigLangCode | String | en |
| attribute | NC_GLOBAL | OrigTitle | String | None |
| attribute | NC_GLOBAL | OrigTitleLang | String | None |
| attribute | NC_GLOBAL | OrigTitleLangCode | String | None |
| attribute | NC_GLOBAL | OrigTitleLangNL | String | None |
| attribute | NC_GLOBAL | Progress | String | In Progress |
| 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 | More than 2,888,962 records |
| attribute | NC_GLOBAL | sourceUrl | String | (local files) |
| attribute | NC_GLOBAL | Southernmost_Northing | double | 49.88 |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v70 |
| attribute | NC_GLOBAL | StandardTitle | String | ICES North Sea International Bottom Trawl Survey for commercial fish species |
| attribute | NC_GLOBAL | subsetVariables | String | ScientificName,BasisOfRecord,YearCollected,MonthCollected,DayCollected,sex,aphia_id |
| attribute | NC_GLOBAL | summary | String | The dataset includes age- and length-based catch per unit effort data for commercial fish species in ICES roundfish areas. |
| attribute | NC_GLOBAL | TerrestrialFlag | String | 0 |
| attribute | NC_GLOBAL | time_coverage_end | String | 2011-08-02T15:57:00Z |
| attribute | NC_GLOBAL | time_coverage_start | String | 1965-03-30T07:00:00Z |
| attribute | NC_GLOBAL | title | String | ICES North Sea International Bottom Trawl Survey for commercial fish species |
| attribute | NC_GLOBAL | UDate | String | 2022-08-16 |
| 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 | -3.967 |
| variable | ScientificName | String | ||
| attribute | ScientificName | long_name | String | ScientificName |
| attribute | ScientificName | units | String | https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/ |
| attribute | ScientificName | units_uri | String | https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/ |
| 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 | 1965.0, 2011.0 |
| 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, 12.0 |
| 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 | -1.50138E8, 1.31230062E9 |
| 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 | None |
| variable | TimeOfDay | float | ||
| attribute | TimeOfDay | actual_range | float | 0.0, 23.98 |
| attribute | TimeOfDay | long_name | String | TimeOfDay |
| attribute | TimeOfDay | units | String | None |
| attribute | TimeOfDay | units_uri | String | None |
| variable | MaximumDepth | float | ||
| attribute | MaximumDepth | actual_range | float | -9.0, 301.0 |
| attribute | MaximumDepth | long_name | String | MaximumDepth |
| attribute | MaximumDepth | units | String | None |
| attribute | MaximumDepth | units_uri | String | None |
| variable | sex | String | ||
| attribute | sex | long_name | String | sex |
| attribute | sex | units | String | None |
| attribute | sex | units_uri | String | None |
| variable | ObservedIndividualCount | float | ||
| attribute | ObservedIndividualCount | actual_range | float | -9.0, 65400.0 |
| attribute | ObservedIndividualCount | long_name | String | ObservedIndividualCount |
| attribute | ObservedIndividualCount | units | String | http://rs.tdwg.org/dwc/terms/individualCount |
| attribute | ObservedIndividualCount | units_uri | String | http://rs.tdwg.org/dwc/terms/individualCount |
| 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 | -3.967, 12.875 |
| 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 | http://rs.tdwg.org/dwc/terms/decimalLongitude |
| variable | latitude | float | ||
| attribute | latitude | _CoordinateAxisType | String | Lat |
| attribute | latitude | actual_range | float | 49.88, 61.88 |
| 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 | http://rs.tdwg.org/dwc/terms/decimalLatitude |
| variable | aphia_id | float | ||
| attribute | aphia_id | actual_range | float | 10330.0, 11784.0 |
| attribute | aphia_id | long_name | String | aphia_id |
| attribute | aphia_id | units | String | https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/ |
| attribute | aphia_id | units_uri | String | https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/ |
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.