![]() Between the two agencies, 1,500 sites are visited over the course of three and a half months. However, management actions initiated in 2008-including a blue crab spawning sanctuary and harvest restrictions-helped the Bay’s blue crab population rebound toward a healthy, sustainable level.Researchers from the Virginia Institute of Marine Science (VIMS) conduct the 2015-2016 blue crab winter dredge survey in the lower portion of the Chesapeake Bay on March 8, 2016.įrom December through March of each year, the Maryland Department of Natural Resources (DNR) and VIMS conduct the winter dredge survey in the Maryland and Virginia portions of the Bay, respectively. Survey results show that there was a persistent and substantial decline in the spawning stock, recruitment, larval abundance, and female size of blue crabs in Chesapeake Bay between 19. The Virginia Marine Resources Commission, the Potomac River Fisheries Commission, and other resource management agencies rely on its findings, along with data on annual fishery removals, to guide their on-going management of Chesapeake Bay’s blue crab stock. The winter dredge survey is the most comprehensive and statistically sound of the blue-crab surveys conducted in the Bay. Understand seasonal migration patterns, and.Characterize the size and sex of individual crabs.Identify year-to-year trends in blue crab abundance.Accurately gauge the total population of blue crabs in Chesapeake Bay.The survey, in operation since 1990, allows researchers to ![]() The Bay-wide Blue Crab Winter Dredge Survey is an annual cooperative effort between the Virginia Institute of Marine Science (VIMS) and the Fisheries Service of the Maryland Department of Natural Resources (DNR). ![]()
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