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Domoic Acid in the Bay Scallop Argopecten....
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GRANT NUMBER:  NA27FD0044-01           NMFS NUMBER:   91-NER-008

REPORT TITLE: Domoic Acid in the Bay Scallop Argopecten irradians in Nantucket, MA: Sources, Production, Uptake, and Loss

AUTHOR:  Sundell, Tracy

PUBLISH DATE: May 1, 1995

AVAILABLE FROM:  National Marine Fisheries Service, Northeast Region, One Blackburn Drive, Gloucester, MA 01930-2298.  PHONE: (978) 281-9267

ABSTRACT

This project was successful in providing some background information regarding the uptake of domoic acid in the Nantucket Bay scallop, Argopecten irradians, and it demonstrated that domoic acid accumulates in the soft tissues of the bay scallop fed on Pseudonitzschia pungens f. multiseries.  Preliminary data suggest that domoic acid does not accumulate when the scallops' metabolic activity and feeding activity are reduced.   This project was moderately successful in providing background data on the distribution of the genus Pseudonitzschia.  Phytoplankton mapping has provided the occurrence of Pseudonitzschia around Nantucket during 1992-3.   Uptake of domoic acid by bay scallops when feeding on toxic diatoms was demonstrated for the first time.

 
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