    {"datasetrec":{"DasID":4757,"Acronym":null,"StandardTitle":"DFO Newfoundland and Labrador Region Ecosystem Trawl Surveys","OrigTitle":null,"OrigTitleLangID":null,"OrigTitleLangCode":null,"OrigTitleLang":null,"OrigTitleLangNL":null,"VersionName":null,"ContactEmail":null,"VersionDate":null,"VersionDay":null,"VersionMonth":null,"VersionYear":null,"SizeReference":null,"EngAbstract":"An OBIS version of the Fisheries and Oceans Canada Newfoundland and Labrador region (DFO-NL) ecosystem trawl survey data from 1977-2011. Survey data are collected by DFO stock assessment staff during stratified random seasonal (spring and fall) bottom trawl surveys. These surveys were initially designed to estimate abundance and distribution of commercial groundfish species, but since 1995 have also been regularly recording non-commercial species and invertebrates. The area surveyed has varied over time, as has the trawl gear used and the fishing methodology (tow duration) employed. Note in some years the ‘fall’ survey (usually Oct-Dec), continued January of the following calendar year.","EngDescr":"This dataset is the OBIS version of the 'bottom trawl' dataset and only species presence information is included at this time for standard sets. Taxonomic limitations Due to the emphasis on commercial fish species, taxonomic classifications of non-commercial fish and invertebrates prior to 1995 were frequently limited to genus or family and sometimes order. With the introduction of the Campelen trawl came a major change in the taxonomic detail recorded and by 2008 efforts were made to identify all fish to species, when possible. However although improved, identifications of some invertebrate taxa continue to be recorded at higher taxonomic levels. Consequently the absence of records for a particular species cannot be equated with an absence of the species, particularly when higher taxonomic classifications are present.","OrigAbstract":null,"OrigDescr":null,"Comments":null,"ReleaseDate":null,"ReleaseDate0":null,"OrigDescrLang":null,"EmbargoDate":null,"OrigDescrLangNL":null,"OrigLangCode":null,"OrigLangCodeExtended":null,"OrigLangID":null,"DescrCompFlag":0,"DescrTransFlag":0,"Citation":"Brodie, Bill, Mowbray, Fran and Power, Debbie, 2013. DFO Newfoundland and Labrador Region Ecosystem Trawl Surveys. Version 1 In OBIS Canada Digital Collections. Bedford Institute of Oceanography, Dartmouth, NS, Canada. Published by OBIS, Digital http://www.iobis.org/. Accessed on –INSERT DATE","AccessConstraints":null,"UDate":"2015-10-19","CDate":"2015-03-09","CurrencyDate":null,"RevisionDate":null,"DateLastModified":{"date":"2026-06-05 01:37:23.644310","timezone_type":1,"timezone":"+02:00"},"CheckedFlag":0,"PublicFlag":1,"VlizCoreFlag":1,"MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"StatusID":1,"DasType":"Data","DasTypeID":1,"DasOrigin":"Monitoring: field survey","Progress":"Completed","AccessConstraint":"Attribution (CC BY)","AccConstrEN":"Attribution (CC BY)","AccConstrDisplay":"<a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\" target=\"_blank\"><img alt=\"Creative Commons License\" style=\"border:0px;height:15px;width:80px;vertical-align:middle;\" src=\"https://www.marinespecies.org/aphia/images/cc/by.png\" /></a> This dataset is licensed under a <a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\" target=\"_blank\">Creative Commons Attribution 4.0 International License</a>.","License":"https://creativecommons.org/licenses/by/4.0/","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.","Lineage":null,"AccConID":21},"dois":null,"spcols":null,"keywords":[{"ThesaurusTerm":"ANW, Canada, Labrador","ThesTypID":34,"ThesType":"ASFA Geoterms","Code":null,"Description":null,"OrigThesTerm":"ANW, Canada, Labrador","DutchTerm":null,"URI":null,"DasKeywordDescr":null}],"parents":null,"children":null,"othrel":null,"othrelrev":[{"DasID":4091,"Acronym":"OBIS-Canada","StandardTitle":"Canadian Ocean Biodiversity Information System","Relation":"Published dataset","RelationY":"Published in","RelID":13,"doi":null,"vlizDoi":null}],"ownerships":[{"OrderNr":1,"Surname":"Brodie","Firstname":"William","Initials":"W.","PerPublicFlag":1,"AdrID":157807,"Email":"bill.brodie@dfo-mpo.gc.ca","InsPublicFlag":1,"Acronym":"DFO","OrigNameLangCode":null,"OrigNameLangID":null,"FullOrigName":null,"InsOwnerCNT":5,"PersID":31072,"InsID":4251,"FullInstitute":"Government of Canada; Department of Fisheries and Oceans","RoleID":61,"Role":"Data creator","OrigName":null,"StandardName":"Department of Fisheries and Oceans","FullAcronym":"DFO","ORC":null,"ROR":null},{"OrderNr":2,"Surname":"Mowbray","Firstname":"Fran","Initials":"F.","PerPublicFlag":1,"AdrID":157808,"Email":"fran.mowbray@dfo-mpo.gc.ca","InsPublicFlag":1,"Acronym":"DFO","OrigNameLangCode":null,"OrigNameLangID":null,"FullOrigName":null,"InsOwnerCNT":5,"PersID":31074,"InsID":4251,"FullInstitute":"Government of Canada; Department of Fisheries and Oceans","RoleID":61,"Role":"Data creator","OrigName":null,"StandardName":"Department of Fisheries and Oceans","FullAcronym":"DFO","ORC":null,"ROR":null},{"OrderNr":3,"Surname":"Power","Firstname":"Debbie","Initials":null,"PerPublicFlag":1,"AdrID":157809,"Email":"debbie.power@dfo-mpo.gc.ca","InsPublicFlag":1,"Acronym":"DFO","OrigNameLangCode":null,"OrigNameLangID":null,"FullOrigName":null,"InsOwnerCNT":5,"PersID":31075,"InsID":4251,"FullInstitute":"Government of Canada; Department of Fisheries and Oceans","RoleID":61,"Role":"Data creator","OrigName":null,"StandardName":"Department of Fisheries and Oceans","FullAcronym":"DFO","ORC":null,"ROR":null},{"OrderNr":4,"Surname":"Power","Firstname":"Debbie","Initials":null,"PerPublicFlag":1,"AdrID":157809,"Email":"debbie.power@dfo-mpo.gc.ca","InsPublicFlag":1,"Acronym":"DFO","OrigNameLangCode":null,"OrigNameLangID":null,"FullOrigName":null,"InsOwnerCNT":5,"PersID":31075,"InsID":4251,"FullInstitute":"Government of Canada; Department of Fisheries and Oceans","RoleID":24,"Role":"Contact","OrigName":null,"StandardName":"Department of Fisheries and Oceans","FullAcronym":"DFO","ORC":null,"ROR":null}],"taxterms":[{"DasTaxtTypID":1,"DasTaxtType":"Taxonomic coverage","TaxtID":11310,"TaxTerm":"Animalia","AphiaID":2,"DutchTerm":"Dieren"}],"frameworks":null,"otherterms":null,"temporal":[{"DasDateID":3587,"StartYear":1971,"EndYear":2011,"StartDay":null,"EndDay":null,"StartDate":"1971-01-01","EndDate":"2011-01-01","DasDate":null,"Resolution":null,"ResolutionNL":null,"Notes":null,"StartMonth0":null,"StartMonth":null,"StartMonthNL":null,"EndMonth0":null,"EndMonth":null,"EndMonthNL":null,"Progress":"Completed","ProgressNL":"Afgelopen"}],"geographical":[{"GeoTerm":"Labrador","DasGeoID":7346,"DasGeoTerm":null,"DasID":4757,"GeotID":572,"X":null,"Y":null,"MaxX":null,"MaxY":null,"StationName":null,"Precision":null,"CoordSystID":null,"GeoDatumID":null,"OrigCoordMinX":null,"OrigCoordMinY":null,"OrigCoordMaxX":null,"OrigCoordMaxY":null,"OrderNr":null,"Projection":null,"GeoDatum":null,"GeoObjectID":18798,"OrigGeoTerm":"Labrador","DutchTerm":null}],"meastypes":[{"MethID":null,"DasMeasTypID":9359,"DasMeasType":"","Matrix":null,"MatrixNL":null,"Parameter":"Occurrence of biota","ParameterNL":"Voorkomen van soorten","Description":null,"Unit":null,"Methodology":null,"Protocol":null,"QualityControl":null,"Precision":null,"Detectionlimit":null,"Instrument":null,"InstrumentUrl":null,"MethFull":"","ParaCategoryTitle":null,"ParaCatCode":null}],"dasthemes":[{"DasThemeID":21,"DasTheme":"Biology","DasTheme0":"Biology","DutchTerm":"Biologie"}],"projects":null,"refs":[{"0":248415,"BRefID":248415,"1":"Based on this dataset","Relation":"Based on this dataset","2":2,"RelationID":2,"3":"<b>Healey, B.P. <i>et al.</i></b> (2012). 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Northwest Atlantic Fisheries Organization: Canada.  26 pp.","4":"Performance and description of Canadian multi-species surveys in NAFO Subarea 2 + Divisions 3KLMNO, with emphasis on 2009-2011","StT":"Performance and description of Canadian multi-species surveys in NAFO Subarea 2 + Divisions 3KLMNO, with emphasis on 2009-2011","5":"Healey, B.P.; Brodie, W.B.; Ings, D.W.; Power, D.J.","RSA":"Healey, B.P.; Brodie, W.B.; Ings, D.W.; Power, D.J.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":null,"AnaDate":null,"8":2012,"MonDate":2012,"9":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 12-019. Northwest Atlantic Fisheries Organization: Canada.  26 pp.","":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 12-019. Northwest Atlantic Fisheries Organization: Canada.  26 pp.","10":null,"doi":null},{"0":248416,"BRefID":248416,"1":"Based on this dataset","Relation":"Based on this dataset","2":2,"RelationID":2,"3":"<b>Healey, B.P.; Brodie, W.B.</b> (2009). Brief notes on the execution of Canadian multi-species surveys in 2007 and 2008. <i>Scientific Council Reports. Northwest Atlantic Fisheries Organization</i>, 09/12. Northwest Atlantic Fisheries Organization: Canada.  26 pp.","RR":"<b>Healey, B.P.; Brodie, W.B.</b> (2009). Brief notes on the execution of Canadian multi-species surveys in 2007 and 2008. <i>Scientific Council Reports. Northwest Atlantic Fisheries Organization</i>, 09/12. Northwest Atlantic Fisheries Organization: Canada.  26 pp.","4":"Brief notes on the execution of Canadian multi-species surveys in 2007 and 2008","StT":"Brief notes on the execution of Canadian multi-species surveys in 2007 and 2008","5":"Healey, B.P.; Brodie, W.B.","RSA":"Healey, B.P.; Brodie, W.B.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":null,"AnaDate":null,"8":2009,"MonDate":2009,"9":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 09/12. Northwest Atlantic Fisheries Organization: Canada.  26 pp.","":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 09/12. Northwest Atlantic Fisheries Organization: Canada.  26 pp.","10":null,"doi":null},{"0":248568,"BRefID":248568,"1":"Based on this dataset","Relation":"Based on this dataset","2":2,"RelationID":2,"3":"<b>Brodie, W.; Stansbury, D.</b> (2007). Scientific council meeting – June 2007. A brief description of Canadian multispecies surveys in SA2+ Divisions 3KLMNO from 1995-2006. <i>Scientific Council Reports. Northwest Atlantic Fisheries Organization</i>, 07/18. Northwest Atlantic Fisheries Organization: [s.l.].  5 + tables + figures pp.","RR":"<b>Brodie, W.; Stansbury, D.</b> (2007). Scientific council meeting – June 2007. A brief description of Canadian multispecies surveys in SA2+ Divisions 3KLMNO from 1995-2006. <i>Scientific Council Reports. Northwest Atlantic Fisheries Organization</i>, 07/18. Northwest Atlantic Fisheries Organization: [s.l.].  5 + tables + figures pp.","4":"Scientific council meeting – June 2007. A brief description of Canadian multispecies surveys in SA2+ Divisions 3KLMNO from 1995-2006","StT":"Scientific council meeting – June 2007. 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Northwest Atlantic Fisheries Organization</i>, 05/8. Northwest Atlantic Fisheries Organization: [s.l.].  4 + tables + figures pp.","RR":"<b>Brodie, W.</b> (2005). Scientific council meeting – June 2005. A description of the autumn multispecies surveys in SA2+ Divisions 3KLMNO from 1995-2004. <i>Scientific Council Reports. Northwest Atlantic Fisheries Organization</i>, 05/8. Northwest Atlantic Fisheries Organization: [s.l.].  4 + tables + figures pp.","4":"Scientific council meeting – June 2005. A description of the autumn multispecies surveys in SA2+ Divisions 3KLMNO from 1995-2004","StT":"Scientific council meeting – June 2005. A description of the autumn multispecies surveys in SA2+ Divisions 3KLMNO from 1995-2004","5":"Brodie, W.","RSA":"Brodie, W.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":null,"AnaDate":null,"8":2005,"MonDate":2005,"9":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 05/8. 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Northwest Atlantic Fisheries Organization</i>, 98/70. Northwest Atlantic Fisheries Organization: Newfoundland.  3 + tables + figures pp.","4":"Results of data conversions for American plaice in Div. 3LNO from comparative fishing trials between the Engel Otter Trawl and the Campelen 1800 Shrimp Trawl","StT":"Results of data conversions for American plaice in Div. 3LNO from comparative fishing trials between the Engel Otter Trawl and the Campelen 1800 Shrimp Trawl","5":"Morgan, M.J.; Brodie, W.B.; Bowering, W.R.; Parsons, D.M.; Orr, D.C.","RSA":"Morgan, M.J.; Brodie, W.B.; Bowering, W.R.; Parsons, D.M.; Orr, D.C.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":null,"AnaDate":null,"8":1998,"MonDate":1998,"9":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 98/70. Northwest Atlantic Fisheries Organization: Newfoundland.  3 + tables + figures pp.","":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 98/70. Northwest Atlantic Fisheries Organization: Newfoundland.  3 + tables + figures pp.","10":null,"doi":null},{"0":248937,"BRefID":248937,"1":"Based on this dataset","Relation":"Based on this dataset","2":2,"RelationID":2,"3":"<b>Warren, W. <i>et al.</i></b> (1997). Analysis of the 1996 comparative fishing trial between the <i>Alfred Needler</i> with the Engel 145 trawl and the <i>Wilfred Templeman</i> with the Campelen 1800 trawl. <i>Scientific Council Reports. Northwest Atlantic Fisheries Organization</i>, 97/68. Northwest Atlantic Fisheries Organization: [s.l.].  12 pp.","RR":"<b>Warren, W. <i>et al.</i></b> (1997). Analysis of the 1996 comparative fishing trial between the <i>Alfred Needler</i> with the Engel 145 trawl and the <i>Wilfred Templeman</i> with the Campelen 1800 trawl. <i>Scientific Council Reports. Northwest Atlantic Fisheries Organization</i>, 97/68. Northwest Atlantic Fisheries Organization: [s.l.].  12 pp.","4":"Analysis of the 1996 comparative fishing trial between the <i>Alfred Needler</i> with the Engel 145 trawl and the <i>Wilfred Templeman</i> with the Campelen 1800 trawl","StT":"Analysis of the 1996 comparative fishing trial between the <i>Alfred Needler</i> with the Engel 145 trawl and the <i>Wilfred Templeman</i> with the Campelen 1800 trawl","5":"Warren, W.; Brodie, W.; Stansbury, D.; Walsh, S.; Morgan, J.; Orr, D.","RSA":"Warren, W.; Brodie, W.; Stansbury, D.; Walsh, S.; Morgan, J.; Orr, D.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":null,"AnaDate":null,"8":1997,"MonDate":1997,"9":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 97/68. Northwest Atlantic Fisheries Organization: [s.l.].  12 pp.","":". <i>Scientific Council Reports of the Northwest Atlantic Fisheries Organization</i>, 97/68. Northwest Atlantic Fisheries Organization: [s.l.].  12 pp.","10":null,"doi":null},{"0":248938,"BRefID":248938,"1":"Based on this dataset","Relation":"Based on this dataset","2":2,"RelationID":2,"3":"<b>Warren, W.G.</b> (1997). Report on the comparative fishing trial between the <i>Gadus Atlantica</i> and <i>Teleost</i>. <i>Sci. Counc. Stud. NAFO 29</i>: 81-92","RR":"<b>Warren, W.G.</b> (1997). Report on the comparative fishing trial between the <i>Gadus Atlantica</i> and <i>Teleost</i>. <i>Sci. Counc. Stud. NAFO 29</i>: 81-92","4":"Report on the comparative fishing trial between the <i>Gadus Atlantica</i> and <i>Teleost</i>","StT":"Report on the comparative fishing trial between the <i>Gadus Atlantica</i> and <i>Teleost</i>","5":"Warren, W.G.","RSA":"Warren, W.G.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":1997,"AnaDate":1997,"8":null,"MonDate":null,"9":". <i>Sci. Counc. Stud. NAFO 29</i>: 81-92","":". <i>Sci. Counc. Stud. 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Minister of Supply and Services Canada: Canada.  iv, 44 pp.","4":"The marine invertebrates code of the Nortwest Atlantic Fisheries Centre","StT":"The marine invertebrates code of the Nortwest Atlantic Fisheries Centre","5":"Lilly, G.R.","RSA":"Lilly, G.R.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":null,"AnaDate":null,"8":1982,"MonDate":1982,"9":". <i>Canadian Data Report of Fisheries and Aquatic Sciences = Rapport Statistique Canadien des Sciences Halieutiques et Aquatiques</i>, 365. Minister of Supply and Services Canada: Canada.  iv, 44 pp.","":". <i>Canadian Data Report of Fisheries and Aquatic Sciences = Rapport Statistique Canadien des Sciences Halieutiques et Aquatiques</i>, 365. Minister of Supply and Services Canada: Canada.  iv, 44 pp.","10":null,"doi":null},{"0":248518,"BRefID":248518,"1":"Based on this dataset","Relation":"Based on this dataset","2":2,"RelationID":2,"3":"<b>Akenhead, S.A.; LeGrow, E.M.</b> (1981). The vertebrates code of the Northwest Atlantic Fisheries Centre. <i>Canadian Data Report of Fisheries and Aquatic Sciences = Rapport Statistique Canadien des Sciences Halieutiques et Aquatiques</i>, 309. Minister of Supply and Services Canada: Canada.  iv, 3 + appendices pp.","RR":"<b>Akenhead, S.A.; LeGrow, E.M.</b> (1981). The vertebrates code of the Northwest Atlantic Fisheries Centre. <i>Canadian Data Report of Fisheries and Aquatic Sciences = Rapport Statistique Canadien des Sciences Halieutiques et Aquatiques</i>, 309. Minister of Supply and Services Canada: Canada.  iv, 3 + appendices pp.","4":"The vertebrates code of the Northwest Atlantic Fisheries Centre","StT":"The vertebrates code of the Northwest Atlantic Fisheries Centre","5":"Akenhead, S.A.; LeGrow, E.M.","RSA":"Akenhead, S.A.; LeGrow, E.M.","6":"Gebaseerd op deze dataset","DutchTerm":"Gebaseerd op deze dataset","7":null,"AnaDate":null,"8":1981,"MonDate":1981,"9":". <i>Canadian Data Report of Fisheries and Aquatic Sciences = Rapport Statistique Canadien des Sciences Halieutiques et Aquatiques</i>, 309. Minister of Supply and Services Canada: Canada.  iv, 3 + appendices pp.","":". <i>Canadian Data Report of Fisheries and Aquatic Sciences = Rapport Statistique Canadien des Sciences Halieutiques et Aquatiques</i>, 309. Minister of Supply and Services Canada: Canada.  iv, 3 + appendices pp.","10":null,"doi":null},{"0":248571,"BRefID":248571,"1":"Based on this dataset","Relation":"Based on this dataset","2":2,"RelationID":2,"3":"<b>Doubleday, W.G. (Ed.)</b> (1981). Manual on Groundfish surveys in the Northwest Atlantic. <i>Scientific council studies. Northwest Atlantic Fisheries Organization</i>, 2. Northwest Atlantic Fisheries Organization: [s.l.].  7-55 pp.","RR":"<b>Doubleday, W.G. (Ed.)</b> (1981). Manual on Groundfish surveys in the Northwest Atlantic. <i>Scientific council studies. Northwest Atlantic Fisheries Organization</i>, 2. Northwest Atlantic Fisheries Organization: [s.l.].  7-55 pp.","4":"Manual on Groundfish surveys in the Northwest Atlantic","StT":"Manual on Groundfish surveys in the Northwest Atlantic","5":"Doubleday, W.G. (Ed.)","RSA":"Doubleday, W.G. 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