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Mark-Recapture Assessment of the Recreational Blue Crab (Callinectes sapidus) Harvest in Chesapeake Bay, Maryland

dc.contributor.advisorReaka, Marjorie Len_US
dc.contributor.advisorHines, Anson Hen_US
dc.contributor.authorSemmler, Robert Semmleren_US
dc.description.abstractIn Maryland, commercial blue crab (Callinectes sapidus) harvests are monitored through mandatory, annual harvest reporting, but no monitoring exists for recreational fishers. This study used a large-scale mark-recapture program to assess relative exploitation between the recreational and commercial fishing sectors in 15 harvest reporting areas of Maryland, then incorporated movement information and extrapolated reported commercial harvest data to generate statewide estimates of recreational harvest. Results indicate spatial variation in recreational fishing, with a majority of recreational harvests coming from tributaries of the Western Shore and the Wye and Miles Rivers on the Eastern Shore. Statewide, recreational harvest has remained 8% as large as commercial harvest despite management changes in 2008, and remains a larger proportion (12.8%) of male commercial harvest. In addition, this study provides detailed spatial information on recreational harvest and the first information on rates of exchange of male crabs among harvest reporting areas.en_US
dc.titleMark-Recapture Assessment of the Recreational Blue Crab (Callinectes sapidus) Harvest in Chesapeake Bay, Marylanden_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.contributor.departmentMarine-Estuarine-Environmental Sciencesen_US
dc.subject.pqcontrolledAquatic sciencesen_US
dc.subject.pqcontrolledWildlife managementen_US
dc.subject.pquncontrolledblue craben_US

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