Fish diversity in southern California using trawl data from the National Marine Fisheries Service.

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description: The Shannon Index of diversity was calculated from National Marine Fisheries Service Groundfish Survey Program (NMFS GSP) fish trawl data. Data from 477 fishery independent trawls ranging from 55-1200 m in depth were collected June-November in 1977, 1989, 1992, 1995, and 1997-2002. Including all fish identified to the species level resulted in 189 fish species. Using ArcGIS, 5 x 5 minute grids were created and mean diversity was calculated for each grid cell containing data. Gear included a nor'eastern trawl (127 mm stretched-mesh body; 89 mm stretched-mesh codend; and 32 mm stretched-mesh codend liner) with a rubber bobbin roller which was trawled for 15-30 minutes on the bottom. Zimmerman's (2003) analysis of benthic species biomass was used to cull out the trawls that did not fish the bottom.; abstract: The Shannon Index of diversity was calculated from National Marine Fisheries Service Groundfish Survey Program (NMFS GSP) fish trawl data. Data from 477 fishery independent trawls ranging from 55-1200 m in depth were collected June-November in 1977, 1989, 1992, 1995, and 1997-2002. Including all fish identified to the species level resulted in 189 fish species. Using ArcGIS, 5 x 5 minute grids were created and mean diversity was calculated for each grid cell containing data. Gear included a nor'eastern trawl (127 mm stretched-mesh body; 89 mm stretched-mesh codend; and 32 mm stretched-mesh codend liner) with a rubber bobbin roller which was trawled for 15-30 minutes on the bottom. Zimmerman's (2003) analysis of benthic species biomass was used to cull out the trawls that did not fish the bottom.
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Title Fish diversity in southern California using trawl data from the National Marine Fisheries Service.
creation  Date   2018-02-07T20:36:15.368673
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name Dublin Core references URL
URL: http://coastalscience.noaa.gov/datasets/ccma/biogeo/cinms/Chap_4_Data/NMFS_fish_div_5min.ZIP
protocol WWW:LINK-1.0-http--link
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Linkage for online resource
name Dublin Core references URL
URL: http://coastalscience.noaa.gov/datasets/ccma/biogeo/cinms/Chap_4_Data/NMFS_fish_div_5min.ZIP
protocol WWW:LINK-1.0-http--link
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Description URL provided in Dublin Core references element.
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name Dublin Core references URL
URL: http://ccma.nos.noaa.gov/ecosystems/sanctuaries/chanisl_nms/
protocol WWW:LINK-1.0-http--link
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name Dublin Core references URL
URL: http://ccma.nos.noaa.gov/products/biogeography/cinms/data/
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URL: http://coastalscience.noaa.gov/
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URL: http://coastalscience.noaa.gov/
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URL: http://gcmd.nasa.gov/learn/keyword_list.html
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Metadata data stamp:  2018-08-06T22:20:33Z
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notes: This metadata record was generated by an xslt transformation from a dc metadata record; Transform by Stephen M. Richard, based on a transform by Damian Ulbricht. Run on 2018-08-06T22:20:33Z
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standard version:  2007
Metadata record identifier:  urn:dciso:metadataabout:372ad93a-c311-4455-a0ed-adef64fbd81d

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