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The bay clams of Oregon : their economic importance, relative abundance, and general distribution

Creator:

Marriage, Lowell D. and Oregon. Fish Commission

Abstract:

An average of approximately 200,000 pounds of bay clams were harvested annually in Oregon for the years 1943-49, inclusive. The commercial harvest of bay clams is composed of the gaper, cockle, and softshell clams. The recreational, or noncommercial, harvest of bay clams is composed mainly of the gaper, cockle, softshell,...

Resource Type:

Technical Report

Full Text:

OF CONTENTS Page INTRODUCTION 5 DESCRIPTION OF SPECIES 6 Glossary 8 The Gaper Clam
Growth and mortality rates of the razor clam (Siliqua patula) on Clatsop beaches, Oregon

Creator:

Hirschhorn, George and Oregon. Fish Commission

Abstract:

Clatsop Beaches, characterized by flat beach-face slope (1:70) and small sandsize (0.2 mm.), have supported commercial and recreational fisheries for the razor clam (Siliqua patula) for many years. Tracing the linear growth of two year classes through more than one year following set led to a validation of the ring...

Resource Type:

Technical Report

Full Text:

Growth and Mortality Rates of the Razor Clam (Siliqua patina