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| Dataset Title: | Northern Irish Ground Fish Trawl Survey
|
| Institution: | ICES (Dataset ID: ices_DATRAS_BTS_VIIa) |
| Range: | longitude = -8.01 to 1.993°E, latitude = 49.53 to 54.8°N, time = 1993-09-02T11:55:00Z to 2008-10-02T14:56:00Z |
| Information: | Summary
| License
| FGDC
| ISO 19115
| Metadata
| Background
| Subset
| Data Access Form
| Files
|
|
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![[The graph you specified. Please be patient.]](https://erddap.eurobis.org/erddap/tabledap/ices_DATRAS_BTS_VIIa.png?longitude,latitude,YearCollected&time%3E=2008-09-26T00%3A00%3A00Z&time%3C=2008-10-03T00%3A00%3A00Z&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff)
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Attributes {
s {
ScientificName {
String long_name "ScientificName";
String sdn_P02_name "SeaDataNet biological format biotic parameters";
String sdn_P02_uri "https://vocab.nerc.ac.uk/collection/P02/current/BPRP/";
String sdn_P02_urn "SDN:P02::BPRP";
String sdn_parameter_name "Taxon of biological entity specified elsewhere";
String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/";
String sdn_parameter_urn "SDN:P01::SCNAME01";
String sdn_uom_name "Not applicable";
String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/XXXX/";
String sdn_uom_urn "SDN:P06::XXXX";
String standard_name "scientificname";
String units "Not applicable";
String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/";
}
BasisOfRecord {
String long_name "BasisOfRecord";
String units "None";
String units_uri "None";
}
InstitutionCode {
String long_name "InstitutionCode";
String units "None";
String units_uri "None";
}
YearCollected {
Float32 actual_range 1993.0, 2008.0;
String long_name "YearCollected";
String units "None";
String units_uri "None";
}
MonthCollected {
Float32 actual_range 8.0, 10.0;
String long_name "MonthCollected";
String units "None";
String units_uri "None";
}
DayCollected {
Float32 actual_range 1.0, 31.0;
String long_name "DayCollected";
String units "None";
String units_uri "None";
}
time {
String _CoordinateAxisType "Time";
Float64 actual_range 7.469709e+8, 1.22295936e+9;
String axis "T";
String ioos_category "Time";
String long_name "Time";
String standard_name "time";
String time_origin "01-JAN-1970 00:00:00";
String time_precision "1970-01-01T00:00:00Z";
String units "seconds since 1970-01-01T00:00:00Z";
String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/CJDY1101";
}
TimeOfDay {
Float32 actual_range 5.25, 19.8;
String long_name "TimeOfDay";
String units "None";
String units_uri "None";
}
MaximumDepth {
Float32 actual_range 9.0, 135.0;
String long_name "MaximumDepth";
String units "None";
String units_uri "None";
}
sex {
String long_name "sex";
String units "None";
String units_uri "None";
}
ObservedIndividualCount {
Float32 actual_range -9.0, 3248.0;
String long_name "ObservedIndividualCount";
String units "http://rs.tdwg.org/dwc/terms/individualCount";
String units_uri "http://rs.tdwg.org/dwc/terms/individualCount";
}
Notes {
String long_name "Notes";
String units "None";
String units_uri "None";
}
longitude {
String _CoordinateAxisType "Lon";
Float32 actual_range -8.01, 1.993;
String axis "X";
String ioos_category "Location";
String long_name "Longitude";
String standard_name "longitude";
String units "degrees_east";
String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01";
}
latitude {
String _CoordinateAxisType "Lat";
Float32 actual_range 49.53, 54.8;
String axis "Y";
String ioos_category "Location";
String long_name "Latitude";
String standard_name "latitude";
String units "degrees_north";
String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01";
}
aphia_id {
Float32 actual_range 11736.0, 11736.0;
String long_name "aphia_id";
String sdn_P02_name "SeaDataNet biological format biotic parameters";
String sdn_P02_uri "https://vocab.nerc.ac.uk/collection/P02/current/BPRP/";
String sdn_P02_urn "SDN:P02::BPRP";
String sdn_parameter_name "Identifier (LSID) of biological entity specified elsewhere";
String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/";
String sdn_parameter_urn "SDN:P01::SNANID01";
String sdn_uom_name "Not applicable";
String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/XXXX/";
String sdn_uom_urn "SDN:P06::XXXX";
String standard_name "aphia_id";
String units "Not applicable";
String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/";
}
}
NC_GLOBAL {
String AccConID "21";
String AccConstrDescription "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.";
String AccConstrDisplay "This dataset is licensed under a Creative Commons Attribution 4.0 International License.";
String AccConstrEN "Attribution (CC BY)";
String AccessConstraint "Attribution (CC BY)";
String AccessConstraints "ICES Data Policy: https://www.ices.dk/data/guidelines-and-policy/Pages/ICES-data-policy.aspx";
String Acronym "BTS-VIIa";
String added_date "2011-01-04 13:45:22.117000";
String BrackishFlag "0";
String CDate "2010-12-22";
String cdm_data_type "Other";
String CheckedFlag "0";
String Citation "Fish trawl survey: Northern Irish Ground Fish Trawl Survey. ICES Database of trawl surveys (DATRAS). The International Council for the Exploration of the Sea, Copenhagen. 2010. Online source: http://ecosystemdata.ices.dk.";
String Comments "None";
String ContactEmail "None";
String Conventions "COARDS, CF-1.6, ACDD-1.3";
String creator_name "Holdsworth";
String CurrencyDate "None";
String DasID "2764";
String DasOrigin "Monitoring: field survey";
String DasType "Data";
String DasTypeID "1";
String DateLastModified "{'date': '2025-02-13 01:37:29.538097', 'timezone_type': 1, 'timezone': '+01:00'}";
String DescrCompFlag "0";
String DescrTransFlag "0";
Float64 Easternmost_Easting 1.993;
String EmbargoDate "None";
String EngAbstract "The dataset includes age- and length-based catch per unit effort data for commercial fish species in the Irish Sea.";
String EngDescr
"In the Northern Ireland survey, the sampling design is stratified with fixed-position stations. Stratification is by depth and seabed type. Haul duration is 3 nautical miles at 3 knots over the seabed. Stations in the St George's Channel are 1 nautical mile at 3 knots and have only been surveyed since October 2001. Number of stations is 45 in northern Irish Sea and 12 in St George's Channel. Tows are during day time only.
The surveys have been carried out in March and October since 1992. From March 1992 to March 2001, the survey extended from 54° 43' N to 53° 22' N. From October 2001 the survey is extended into the St George's Channel to 52° 18' N. Depth range is from 20 to 120m.
The surveys are carried out on the R.V. Lough Foyle, a 43.5m stern trawler of 880 kw and GRT 547 tonnes. The fishing gear is a rock-hopper otter trawl with a 17m footrope fitted with 250 mm non-rotating rubber discs. The gear has a mean vertical opening of 3 m. The door spread varies from around 25m at 20m depth to 40m at 80m depth. A 20mm (inside mesh) codend is fitted.";
String FreshFlag "0";
Float64 geospatial_lat_max 54.8;
Float64 geospatial_lat_min 49.53;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max 1.993;
Float64 geospatial_lon_min -8.01;
String geospatial_lon_units "degrees_east";
String history
"2025-03-09T23:16:24Z (local files)
2025-03-09T23:16:24Z http://erddap.eurobis.org/tabledap/ices_DATRAS_BTS_VIIa.das";
String infoUrl "None";
String InputNotes "None";
String institution "ICES";
String keywords "aphia_id, BasisOfRecord, DayCollected, InstitutionCode, latitude, longitude, MaximumDepth, MonthCollected, Notes, ObservedIndividualCount, ScientificName, sex, time, TimeOfDay, YearCollected";
String License "https://creativecommons.org/licenses/by/4.0/";
String license
"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.";
String Lineage "None";
String MarineFlag "1";
String modified_sync "2021-02-07 00:00:00";
Float64 Northernmost_Northing 54.8;
String OrigAbstract "None";
String OrigDescr "None";
String OrigDescrLang "None";
String OrigDescrLangNL "None";
String OrigLangCode "None";
String OrigLangCodeExtended "None";
String OrigLangID "None";
String OrigTitle "None";
String OrigTitleLang "None";
String OrigTitleLangCode "None";
String OrigTitleLangID "None";
String OrigTitleLangNL "None";
String Progress "In Progress";
String PublicFlag "1";
String ReleaseDate "None";
String ReleaseDate0 "None";
String RevisionDate "None";
String SizeReference "More than 214,314 records";
String sourceUrl "(local files)";
Float64 Southernmost_Northing 49.53;
String standard_name_vocabulary "CF Standard Name Table v70";
String StandardTitle "Northern Irish Ground Fish Trawl Survey";
String StatusID "1";
String subsetVariables "ScientificName,BasisOfRecord,YearCollected,MonthCollected,DayCollected,sex,aphia_id";
String summary "The dataset includes age- and length-based catch per unit effort data for commercial fish species in the Irish Sea.";
String TerrestrialFlag "0";
String time_coverage_end "2008-10-02T14:56:00Z";
String time_coverage_start "1993-09-02T11:55:00Z";
String title "Northern Irish Ground Fish Trawl Survey";
String UDate "2022-08-09";
String VersionDate "None";
String VersionDay "None";
String VersionMonth "None";
String VersionName "None";
String VersionYear "None";
String VlizCoreFlag "1";
Float64 Westernmost_Easting -8.01;
}
}
Data Access Protocol (DAP) and its
selection constraints.
The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.
Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names,
followed by a collection of
constraints (e.g., variable<value),
each preceded by '&' (which is interpreted as "AND").
For details, see the tabledap Documentation.