Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area
This report specifically addresses Fisheries Commission Request #16: "Implement and/or further refine the existing GIS simulation/modelling framework, in conjunction with the VMS data supplied by the NAFO Secretariat .", brought forth in the Fisheries Commission 33rd Annual Meeting Report...
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ftcsic:oai:digital.csic.es:10261/328897 2024-02-11T10:06:36+01:00 Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area Cogswell, Andrew Kenchington, Ellen Lirette, Camille Murillo, Francisco Javier Campanis, George Campbell, Neil Atlantic Ocean North Atlantic Northwest Atlantic NAFO 2011-12 http://hdl.handle.net/10508/768 http://hdl.handle.net/10261/328897 en eng Centro Oceanográfico de Vigo Cogswell, A. et al. 2011. Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO. NAFO Sci. Coun. Res. Doc. 11/72, Serial Nº N6002: 50p. http://hdl.handle.net/10508/768 http://hdl.handle.net/10261/328897 open Pesquerías Centro Oceanográfico de Vigo documento de trabajo http://purl.org/coar/resource_type/c_8042 2011 ftcsic 2024-01-16T11:49:32Z This report specifically addresses Fisheries Commission Request #16: "Implement and/or further refine the existing GIS simulation/modelling framework, in conjunction with the VMS data supplied by the NAFO Secretariat .", brought forth in the Fisheries Commission 33rd Annual Meeting Report (NAFO, 2011a). Data layers utilized by the model as well as their various means of construction are described in detail including the generation of NAFO VMS trawl lines. These VMS trawl line data were used to better understand fishing behaviour and also generate a new standard trawl length (13.8 nm) to be utilized by trawl simulations. The justification for utilizing just the Spain/EU research trawl by-catch dataset instead of the combined Canada/Spain/EU dataset for the production of higher resolution sponge and sea pen biomass surfaces is also made. It is demonstrated how this high resolution (5x5 km cell grid) Spain/EU data biomass layer could be utilized with 2000 randomly placed and oriented 13.8 nm simulation trawls to generate by-catch values, organized by thresholds, to capture the distributional extent of high concentration sponge and sea pen areas. This serves as the basis for a kernel density polygon analysis that calculates a commercial sponge and sea pen encounter threshold (Kenchington et al., 2011). Finally, using the Spain/EU only high resolution biomass surface, by-catch output from VMS trawls and their simulated 13.8 nm standard trawl line counterparts are compared. Report North Atlantic Northwest Atlantic Digital.CSIC (Spanish National Research Council) Canada |
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Open Polar |
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Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Pesquerías Centro Oceanográfico de Vigo |
spellingShingle |
Pesquerías Centro Oceanográfico de Vigo Cogswell, Andrew Kenchington, Ellen Lirette, Camille Murillo, Francisco Javier Campanis, George Campbell, Neil Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area |
topic_facet |
Pesquerías Centro Oceanográfico de Vigo |
description |
This report specifically addresses Fisheries Commission Request #16: "Implement and/or further refine the existing GIS simulation/modelling framework, in conjunction with the VMS data supplied by the NAFO Secretariat .", brought forth in the Fisheries Commission 33rd Annual Meeting Report (NAFO, 2011a). Data layers utilized by the model as well as their various means of construction are described in detail including the generation of NAFO VMS trawl lines. These VMS trawl line data were used to better understand fishing behaviour and also generate a new standard trawl length (13.8 nm) to be utilized by trawl simulations. The justification for utilizing just the Spain/EU research trawl by-catch dataset instead of the combined Canada/Spain/EU dataset for the production of higher resolution sponge and sea pen biomass surfaces is also made. It is demonstrated how this high resolution (5x5 km cell grid) Spain/EU data biomass layer could be utilized with 2000 randomly placed and oriented 13.8 nm simulation trawls to generate by-catch values, organized by thresholds, to capture the distributional extent of high concentration sponge and sea pen areas. This serves as the basis for a kernel density polygon analysis that calculates a commercial sponge and sea pen encounter threshold (Kenchington et al., 2011). Finally, using the Spain/EU only high resolution biomass surface, by-catch output from VMS trawls and their simulated 13.8 nm standard trawl line counterparts are compared. |
format |
Report |
author |
Cogswell, Andrew Kenchington, Ellen Lirette, Camille Murillo, Francisco Javier Campanis, George Campbell, Neil |
author_facet |
Cogswell, Andrew Kenchington, Ellen Lirette, Camille Murillo, Francisco Javier Campanis, George Campbell, Neil |
author_sort |
Cogswell, Andrew |
title |
Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area |
title_short |
Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area |
title_full |
Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area |
title_fullStr |
Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area |
title_full_unstemmed |
Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO Regulatory Area |
title_sort |
layers utilized by an arcgis model to approximate commercial coral and sponge by-catch in the nafo regulatory area |
publishDate |
2011 |
url |
http://hdl.handle.net/10508/768 http://hdl.handle.net/10261/328897 |
op_coverage |
Atlantic Ocean North Atlantic Northwest Atlantic NAFO |
geographic |
Canada |
geographic_facet |
Canada |
genre |
North Atlantic Northwest Atlantic |
genre_facet |
North Atlantic Northwest Atlantic |
op_relation |
Centro Oceanográfico de Vigo Cogswell, A. et al. 2011. Layers Utilized by an ArcGIS Model to Approximate Commercial Coral and Sponge By-catch in the NAFO. NAFO Sci. Coun. Res. Doc. 11/72, Serial Nº N6002: 50p. http://hdl.handle.net/10508/768 http://hdl.handle.net/10261/328897 |
op_rights |
open |
_version_ |
1790604405507096576 |