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| Dataset Title: | Cross Sands broadscale survey 1998
|
| Institution: | CEFAS, MBA (Dataset ID: csbs) |
| Information: | Summary
| License
| FGDC
| ISO 19115
| Metadata
| Background
| Subset
| Files
| Make a graph
|
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 1998.0, 1998.0;
String long_name "YearCollected";
String units "None";
String units_uri "None";
}
time {
String _CoordinateAxisType "Time";
Float64 actual_range 8.836164e+8, 8.836164e+8;
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";
}
ObservedIndividualCount {
Float32 actual_range 1.0, 1157.0;
String long_name "ObservedIndividualCount";
String units "http://rs.tdwg.org/dwc/terms/individualCount";
String units_uri "http://rs.tdwg.org/dwc/terms/individualCount";
}
longitude {
String _CoordinateAxisType "Lon";
Float32 actual_range 1.702, 2.525;
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 52.2, 52.8;
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 101.0, 22500.0;
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 Acronym "None";
String added_date "2006-04-05 15:51:46.650000";
String BrackishFlag "0";
String CDate "2006-04-03";
String cdm_data_type "Other";
String CheckedFlag "1";
String Citation "Cooper, K.M., S.E. Boyd & H.L. Rees. Cross Sands broadscale survey 1998. Centre for Environment, Fisheries and Aquaculture, Burnham laboratory, Essex, UK.";
String Comments "None";
String ContactEmail "None";
String Conventions "COARDS, CF-1.6, ACDD-1.3";
String creator_name "Rees, Cooper";
String CurrencyDate "None";
String DasID "781";
String DasOrigin "Research";
String DasType "Data";
String DasTypeID "1";
String DateLastModified "{'date': '2025-02-14 01:35:29.490225', 'timezone_type': 1, 'timezone': '+01:00'}";
String DescrCompFlag "0";
String DescrTransFlag "0";
Float64 Easternmost_Easting 2.525;
String EmbargoDate "None";
String EngAbstract "Broadscale benthic survey undertaken by CEFAS off the east coast of the United Kingdom.";
String EngDescr "The purpose of this study was to determine whether there was any evidence of a large-scale cumulative impact on benthic macro-invertebrate communities as a result of the multiple sites of aggregate extraction located off Great Yarmouth in the southern North Sea. Forty 0.1m2 Hamon grab samples were collected from across the region, both within and beyond the extraction area, and analysed for macrofauna and sediment particle size distribution in order to produce a regional description of the status of the seabed environment. In addition, the data were analysed in relation to the area of seabed impacted by dredging over the period 1993-1998. Areas subject to ‘direct’ impacts were determined through reference to annual electronic records of dredging activity and this information was then used to model the likely extent of areas potentially subject to ‘indirect’ ecological and geophysical impact. Results showed the study area to be characterised by sands in the northern half of the survey area, and sandy gravels in the south. The low diversity communities found across much of the survey area were typical of mobile sandy sediments. However, stations located in the southern half and northern extreme of the survey area tended to support higher numbers of species and individuals. This may be due to marginally enhanced stability arising from the higher proportion of gravel found in samples to the south of the extraction licences and to the presence of Sabellaria spinulosa reef in the north. Analysis of data in relation to areas of predicted dredging impact revealed proportionally less gravel and more sand within the ‘direct’ impact zone, compared to the ‘indirect’ impact zone. Whilst multivariate analyses of macrofaunal data were unable to discriminate between dredging impact zones, a comparison of univariate measures revealed significantly lower numbers of species and individuals in areas which have been subject to ‘direct’ dredging impacts in comparison with ‘reference’ areas. This provides good evidence of the near-field consequences of dredging. Values of these measures in the ‘indirect’ zone were intermediate, although not significantly different from the ’reference’ zone. We conclude that, although the dominant influence on assemblages in the region is that of sediment instability induced by tidal currents, we cannot dismiss the possibility of a subsidiary influence of dredging activity in the near vicinity of the licensed block and further investigation is warranted.";
String FreshFlag "0";
Float64 geospatial_lat_max 52.8;
Float64 geospatial_lat_min 52.2;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max 2.525;
Float64 geospatial_lon_min 1.702;
String geospatial_lon_units "degrees_east";
String history
"2025-03-09T23:02:30Z (local files)
2025-03-09T23:02:30Z http://erddap.eurobis.org/erddap/tabledap/csbs.html";
String infoUrl "None";
String InputNotes "None";
String institution "CEFAS, MBA";
String keywords "aphia_id, BasisOfRecord, InstitutionCode, latitude, longitude, ObservedIndividualCount, ScientificName, time, 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 "2021-02-06 00:00:00";
Float64 Northernmost_Northing 52.8;
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 "English";
String OrigTitleLangCode "en";
String OrigTitleLangID "15";
String OrigTitleLangNL "Engels";
String Progress "Completed";
String PublicFlag "1";
String ReleaseDate "Apr 5 2006 12:00AM";
String ReleaseDate0 "2006-04-05";
String RevisionDate "None";
String SizeReference "40 localities, 201 species";
String sourceUrl "(local files)";
Float64 Southernmost_Northing 52.2;
String standard_name_vocabulary "CF Standard Name Table v70";
String StandardTitle "Cross Sands broadscale survey 1998";
String StatusID "1";
String subsetVariables "ScientificName,BasisOfRecord,YearCollected,aphia_id";
String summary "Broadscale benthic survey undertaken by CEFAS off the east coast of the United Kingdom.";
String TerrestrialFlag "0";
String time_coverage_end "1998-01-01T01:00:00Z";
String time_coverage_start "1998-01-01T01:00:00Z";
String title "Cross Sands broadscale survey 1998";
String UDate "2011-01-31";
String VersionDate "None";
String VersionDay "31";
String VersionMonth "3";
String VersionName "2006-03-31";
String VersionYear "2006";
String VlizCoreFlag "1";
Float64 Westernmost_Easting 1.702;
}
}
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.