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Settlement Indices For Blue Crab Megalopae In The York River, Virginia: Temporal Relationships And Statistical Efficiency, Ks Metcalfe, J Van Montfrans, Rom Lipcius
Settlement Indices For Blue Crab Megalopae In The York River, Virginia: Temporal Relationships And Statistical Efficiency, Ks Metcalfe, J Van Montfrans, Rom Lipcius
VIMS Articles
The efficacy of artificial settlement substrates in quantifying relative rates of settlement of blue crab, Callinectes sapidus, postlarvae (megalopae) was examined. The technique has been widely used to assess settlement at local (Chesapeake Bay) and broad geographic scales (Atlantic and Gulf Coasts). This analysis examined differences in settlement between two configurations of substrates and two depths of deployment, in relation to lunar day, month, year and hours of flood tide occurring at night. Substrates were deployed daily for four years (1989-1992) during the settlement season (July-November) in the York River, Virginia. Settlement did not differ between substrate configurations (flat and …