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Challenges of managing blue crabs in Chesapeake Bay – life cycle and fishery
January 28, 2021 at 6:15 pm - 7:30 pm
Annapolis Annapolis Cafe Scientifique presents a talk about the management of blue crabs, Callinectes sapidus, which in Chesapeake Bay took a dramatic change of course in Fall 2008. It has been largely successful, but it took 15 years to implement. When a decline in the population of blue crabs was first observed in the mid-1990s, standard management actions – size limits, effort reduction, etc. – were put in place in a piecemeal fashion by each jurisdiction without much effect.
The hydrologic and biotic characteristics of the Chesapeake Bay, which make it the world’s most productive estuary for blue crabs, create a spatial and temporal partitioning of sizes and sexes. The life cycle of the blue crab, tailored to estuaries, and how the fishery and industry developed in response to the geographic differences in blue crab distribution, were challenges that needed to be overcome.
Speaker Glenn Davis is a biologist with the Maryland Department of Natural Resources and current chair of the Chesapeake Bay Stock Assessment Committee. He began working with blue crabs 32 years ago, at the inception of the Bay-wide blue crab winter dredge survey. He has been involved with numerous fishery-independent and fishery-dependent research and monitoring studies focusing on blue crabs.
Click here for Zoom link to join the talk.
Meeting ID: 878 4840 6572
Passcode: 433794
To join by phone: 301-715-8592, 878-484-06572
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