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Reproductive timing and larval dispersal of intertidal crabs: the predator avoidance hypothesis 97
Many intertidal and shallow water crabs have strong reproductive cycles and migratory larvae. Females release larvae near the time of high water of the larger amplitude nocturnal tides during the semilunar or lunar cycles. Newly hatched larvae move quickly at night toward and into the sea where, weeks later, they develop to megalopae that then ride nocturnal flood tides inshore and up estuaries to settle in adult habitats. It was first thought that crabs might time larval release so that larvae will become megalopae when they can ride the larger amplitude spring flood tides to adult habitats. This idea was rejected when it was found that were was no change in the timing of hatching during the breeding season by several estuarine species that would...
Tipo: Journal article Palavras-chave: Larval release; Larval dispersal; Crabs; Reproductive timing; Plankton; Predation.
Ano: 2003 URL:
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