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Conservation; blue crab; Callinectes sapidus; spawning stock; recruitment; larval abundance; exploitation
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Full-Text Articles in Life Sciences
Concurrent Decline Of The Spawning Stock, Recruitment, Larval Abundance, And Size Of The Blue Crab Callinectes Sapidus In Chesapeake Bay, Rom Lipcius, Wt Stockhausen
Concurrent Decline Of The Spawning Stock, Recruitment, Larval Abundance, And Size Of The Blue Crab Callinectes Sapidus In Chesapeake Bay, Rom Lipcius, Wt Stockhausen
VIMS Articles
Conservation of exploited marine populations requires knowledge of interannual variation in the characteristics of and relationships between the spawning stock and recruitment, which determine Population resilience and persistence. We examined relationships between spawning stock abundance, postlarval recruitment, larval abundance, and female size of the blue crab in Chesapeake Bay, both within the Spawning grounds over a 13 yr interval (1988 to 2000) and within lower-bay tributaries over 20 yr (1979 to 1998). Our findings establish that there has been a concurrent, persistent and substantial reduction in the spawning stock, recruitment, larval abundance, and female size, Specifically, in 1992 to 2000: …