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...
This report is an update of shellfish investigations from April 1964 to March 1965. Inside can be found a summary of two clam mortality events. It also has the numbers of razor clams dug for sport and commercial fisheries and the results of the 1964 razor clam beach survey. This...
The purpose of this report is to present some information which has been collected on the razor clam fisheries of Clatsop County beaches during the past several years. Topics which will be discussed are: (1) a brief resume' of the investigation, regulations, and catches prior to September 1954; (2) regulation...
Razor clams are found in isolated areas all along the Oregon coast. However, 90% of the harvest takes place on the Clatsop Countty beaches. Along the rest of the coast, digging is sporadic and of minor importance. This report summarizes the data for 1967 for several beaches south of Seaside....
The personal-use razor clam fishery was sampled from April to September 1964 for number and age composition of clams dug and number and distribution of diggers. A wastage estimate was also determined.
This report is an update of shellfish investigations from June 1 to December 31, 1953. It includes a summary of bay clam and crab investigations, including details on oyster pests in Oregon and crab production for 1952. It also summarizes a survey on commercial razor clam production in Lincoln County...
This report covers a 3-year period. It includes a growth survey of gaper clams to establish normal growth patterns, a summary of a transplantation of softshell clams into Siuslaw Bay, and the results of crab tagging to determine movement/migration patterns. This report also has research on personal-use fisheries for razor...
This investigation focuses on growth and survival of Pacific razor clams, measuring clams from multiple sites. It tracks the length frequencies of clams recorded, as well as length-live weight relationships. This report also includes data on number of crab pots being fished between the Columbia and Siuslaw Rivers in April,...
This report has a review of razor clam regulations on both personal and commercial diggers. It contains the harvest numbers for several years, as well as their age composition. The report describes the harvest and wastage of young clams, as well as discussing possibilities for decreasing that wastage, with focus...
Revised July 1987. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the Sea Grant Catalog: http://seagrant.oregonstate.edu/publications