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Life Sciences Commons

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Marine Biology

William & Mary

VIMS Articles

Series

2008

Ocean Quahog; Arctica Islandica; Mid-Atlantic Bight; Water Temperature; Climatic Change; Zoogeography; Age Estimation

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Full-Text Articles in Life Sciences

Decadal Trends In Age Structure And Recruitment Patterns Of Ocean Quahogs Arctica Islandica From The Mid-Atlantic Bight In Relation To Water Temperature, Juliana M. Harding, Se King, En Powell, Roger Mann Jan 2008

Decadal Trends In Age Structure And Recruitment Patterns Of Ocean Quahogs Arctica Islandica From The Mid-Atlantic Bight In Relation To Water Temperature, Juliana M. Harding, Se King, En Powell, Roger Mann

VIMS Articles

Occan quahogs (Arctica islandica) are long-lived bivalves. Distributionl patterns and biology of ocean quahogs ill the Mid-Atlantic Bight (MAB) off the cast coast of North America are directly related to bottom water temperatures. We examined long term recruitment patterns for ocean quahogs across temporal (decadal) and spatial (latitudinal. bathymetric) scales Using a spatially defined (Long Island Sound to Chesapeake Bay mouth) population encompassing a broad size (age) range of animals that had not yet recruited to the commercial fishery [(SL)], An age-at-length relationship for quahogs less than 80 mm SL is described using a power function. Quahog age did not …