First Advisor

Leonard Simpson

Date of Publication

1982

Document Type

Thesis

Degree Name

Master of Science (M.S.) in Biology

Department

Biology

Language

English

Subjects

Pacific oyster -- Feeding and feeds

DOI

10.15760/etd.3166

Physical Description

1 online resource (41 p.)

Abstract

The Japanese oyster Crassostrea gigas is commercially grown in bays and estuaries of the Pacific Northwest. The oyster's complex, ciliated, plicate gill is responsible for removing particles from surrounding waters for ingestion. In order to determine how this is accomplished, structural interrelationships of gill components were investigated using scanning electron microscopy and light microscopy. Particle movement was observed directly on both isolated gill sections and intact gills. Feeding data were obtained by comparing initial to final concentration and size of algal particles in a Coulter counter.

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Comments

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Persistent Identifier

http://archives.pdx.edu/ds/psu/18362

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