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Ecological Role Of Blue Catfish In Chesapeake Bay Communities And Implications For Management, Ryan W. Schloesser, Mary C. Fabrizio, Robert J. Latour, Greg C. Garman, Bob Greenlee, Mary Groves, James Gartland
Ecological Role Of Blue Catfish In Chesapeake Bay Communities And Implications For Management, Ryan W. Schloesser, Mary C. Fabrizio, Robert J. Latour, Greg C. Garman, Bob Greenlee, Mary Groves, James Gartland
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Rapid increase in abundance and expanded distribution of introduced blue catfish Ictalurus furcatus populations in the Chesapeake Bay watershed have raised regional management concerns. This study uses information from multiple surveys to examine expansion of blue catfish populations and document their role in tidal river communities. Originally stocked in the James, York, and Rappahannock River systems for development of commercial and recreational fisheries, blue catfish have now been documented in adjacent rivers and have expanded their within-river distribution to oligo- and mesohaline environments. Range expansions coincided with periods of peak abundance in 1996 and 2003 and with the concurrent decline …