"Completion report : October 1, 1979 to December 31, 1981" "We completed Our assessment of commercial clam harvest potential in Tillamook, Yaquina and Coos bays. All three bays contained commercial quantities of clams. Detailed studies in Yaquina Bay in 1981 revealed a biomass estimate of 2.6 million pounds (1,179.1 mt)...
"Annual report : October 1, 1980 to September 30, 1981" "During the year we continued our studies on the clam resources in Oregon's estuaries. Our objectives were: to collect data for developing a scientifically sound clam management database and to refine techniques for assessing the potential for a commercial clam...
This report summarizes the results of our bay clam studies in 1983. Activities summarized include monitoring of the recreational and commercial clam fisheries, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other projects.
This report summarizes the results of our bay clam studies in 1984. Activities summarized include monitoring of the recreational and commercial clam fisheries, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other projects.
"Studies were continued on the distribution and abundance of bay clams in Oregon's estuaries. Maps showing distribution of clams, substrate type and vegetation type in Tillamook, Netarts and Salmon River estuaries are presented." (from the Abstract) The authors also report on experimental clam releases to supplement natural stocks, commercial clam...
Reports on an investigation of a proposal by the Evans Products Company of Coos Bay to construct a dike in the bay. Investigators found negligible quantities of the Eastern soft-shell clam, and therefore did not oppose the proposed dredging and construction. Includes a hand-drawn map and a survey report.