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The Effects of Derelict Gear on Blue Crab Production in the Chesapeake Bay Public Deposited

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Abstract
  • Several factors currently threaten blue crab (Callinectes sapidus) in the Chesapeake Bay. In addition to poor water quality, degraded habitat, and shifting environmental conditions, derelict gear has recently been recognized as a significant source of mortality for this economically and culturally significant species. From 2008 through 2014, commercial watermen in Virginia were hired during their winter off season to locate, document, and remove derelict gear as part of a larger research effort to determine the biological impacts of marine debris in the Chesapeake Bay. Data on derelict gear removal generated by this research was subsequently paired with spatially resolved catch and effort data and entered into a translog production model used to estimate the economic effects of derelict gear on commercial blue crab production. Model results indicate removal significantly improved pot production and economic profits, a finding which had been previously confounded by concurrent blue crab management action. Our research builds on previous work through explicit acknowledgment of important spatial production differences and incorporation of derelict gear removal.
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  • Scheld, Andrew M., Donna M. Bilkovic and Kirk J. Havens. 2015. The Effects of Derelict Gear on Blue Crab Production in the Chesapeake Bay. In: Proceedings of the Eighth Biennial Forum of the North American Association of Fisheries Economists, May 20-22, 2015, Ketchikan, Alaska: Economic Sustainability, Fishing Communities and Working Waterfronts. Compiled by Ann L. Shriver and Melissa Errend. North American Association of Fisheries Economists, Corvallis, Oregon, USA, 2015.
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  • Alaska Sea Grant, North Pacific Fishery Management Council, North Pacific Research Board, Northern Economics, Pollock Conservation Cooperative Research Center, Rasmuson Foundation, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, University of Alaska Southeast, Ketchikan
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  • description.provenance : Rejected by Susan Gilmont(susan.gilmont@orst.edu), reason: "Other" in keywords, as discussed. Also needs comma after "Andrew M." in citation field. on 2015-11-02T22:11:56Z (GMT)
  • description.provenance : Made available in DSpace on 2015-11-03T18:20:24Z (GMT). No. of bitstreams: 1 Scheld 63 NAAFE 2015.pdf: 1376264 bytes, checksum: 19e507047a427b3e5a9d3f6a7c2b1a38 (MD5) Previous issue date: 2015-05
  • description.provenance : Submitted by Melissa Errend (melissa.errend@gmail.com) on 2015-11-03T17:32:10Z No. of bitstreams: 1 Scheld 63 NAAFE 2015.pdf: 1376264 bytes, checksum: 19e507047a427b3e5a9d3f6a7c2b1a38 (MD5)
  • description.provenance : Approved for entry into archive by Susan Gilmont(susan.gilmont@orst.edu) on 2015-11-03T18:20:24Z (GMT) No. of bitstreams: 1 Scheld 63 NAAFE 2015.pdf: 1376264 bytes, checksum: 19e507047a427b3e5a9d3f6a7c2b1a38 (MD5)
  • description.provenance : Submitted by Melissa Errend (melissa.errend@gmail.com) on 2015-10-30T20:36:04Z No. of bitstreams: 1 Scheld 63 NAAFE 2015.pdf: 1376264 bytes, checksum: 19e507047a427b3e5a9d3f6a7c2b1a38 (MD5)

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