Recruit–recruit interactions, density-dependent processes and population persistence in the eastern oyster Crassostrea virginica

Status of the Eastern Oyster (Crassostrea virginica): March 2007

Genetic linkage map of the eastern oyster Crassostrea virginica Gmelin.

Amplified fragment length polymorphisms (AFLPs), along with some microsatellite and Type I markers, were used for linkage analysis in Crassostrea virginica Gmelin, the eastern oyster. Seventeen AFLP primer combinations were selected for linkage analysis with two parents and their 81 progeny. The 17 primer combinations produced 396 polymorphic markers, and 282 of them were segregating in the two...

Predator effects on host−parasite interactions in the eastern oyster Crassostrea virginica

Both parasitism and predation may strongly influence population dynamics and community structure separately or synergistically. Predator species can influence host−parasite interactions, either by preferentially feeding on infected (or uninfected) hosts — and thus altering parasite prevalence patterns — or by affecting host behavior in ways that increase host susceptibility to parasites. In thi...

Shell hardness and compressive strength of the Eastern oyster, Crassostrea virginica, and the Asian oyster, Crassostrea ariakensis.

The valves of oysters act as a physical barrier between tissues and the external environment, thereby protecting the oyster from environmental stress and predation. To better understand differences in shell properties and predation susceptibilities of two physiologically and morphologically similar oysters, Crassostrea virginica and Crassostrea ariakensis, we quantified and compared two mechani...

The effect of PCBs on glycogen reserves in the eastern oyster Crassostrea virginica.

Recent declines in Chesapeake Bay oyster populations have been attributed to disease, and reduced water quality from pollution. The stress associated with pollutant exposure may reduce energy available for growth and reproduction. Polychlorinated biphenyls (PCBs) are lipophilic contaminants that may potentially affect mobilization of lipid reserves, increasing reliance on glycogen stores, which...