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Do Striped Bass And Blue Crab Abundances Correlate In Chesapeake Bay?, Thomas C. Mosca Iii, Paul J. Rudershausen, Rom Lipcius
Do Striped Bass And Blue Crab Abundances Correlate In Chesapeake Bay?, Thomas C. Mosca Iii, Paul J. Rudershausen, Rom Lipcius
VIMS Articles
We examined a corollary to the hypothesis that striped bass regulate the blue crab population in Chesapeake Bay by preying on juveniles, an expected inverse correlation between striped bass and blue crab abundance. Abundance indices based on Virginia striped bass young-of-the-year beach seine data (1980-1992) were constructed for fish ages 1 - 8, and for the Virginia resident stock component, ages 1 - 5. Fishery-independent, pound net data for fall and spring were also used to construct indices of striped bass abundance in Rappahannock River (1986-1993). Juvenile blue crab abundance indices were constructed based on trawl survey data from the …