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Marine Biology

William & Mary

2003

Callinectes-sapidus Rathbun; Postsettlement Mortality; Recruitment Limitation; Mark-Recapture; Chesapeake-Bay

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Full-Text Articles in Life Sciences

Partitioning Loss Rates Of Early Juvenile Blue Crabs From Seagrass Habitats Into Mortality And Emigration, Ll Etherington, Db Eggleston, Wt Stockhausen Mar 2003

Partitioning Loss Rates Of Early Juvenile Blue Crabs From Seagrass Habitats Into Mortality And Emigration, Ll Etherington, Db Eggleston, Wt Stockhausen

VIMS Articles

Determining how post-settlement processes modify patterns of settlement is vital in understanding the spatial and temporal patterns of recruitment variability of species with open populations. Generally, either single components of post-settlement loss (mortality or emigration) are examined at a time, or else the total loss is examined without discrimination of mortality and emigration components. The role of mortality in the loss of early juvenile blue crabs, Callinectes sapidus, has been addressed in a few studies; however, the relative contribution of emigration has received little attention. We conducted mark-recapture experiments to examine the relative contribution of mortality and emigration to total …