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Filtering by: Creator Hammann, Mark Gregory Subject Columbia River Estuary (Or. and Wash.)

Utilization of the Columbia River Estuary by American shad, Alosa sapidissima (Wilson)

Creator:

Hammann, Mark Gregory

Abstract:

The migrations, distribution, and feeding of American shad, Alosa sapidissima (Wilson), were studied from February 1980 through January 1981 in the Columbia River Estuary, an important rearing zone for young-of-the-year shad. Sampling was performed with purse seine, beach seine, and otter trawl. Adult shad and large numbers of juveniles from...

Resource Type:

Masters Thesis