This report covers a range of information about shellfish, including the populations of clams in Yaquina & Tillamook bays, the Pacific Oyster mortality event in Coos bay (with a hand-drawn map of Coos Bay), testing of different crab baits, and different statistics about the Coquille River Crab Fishery. This report...
In 1976, the Oregon Department of Fish and Wildlife Commission approved regulation changes for the sport harvest of bay clams. The changes were made at the request of the shellfish staff; our concern was the gradual deterioration in the status of the stocks as reflected in annual census work on...
"On April 12, 1949 the Port Commission of Bayocean, Oregon made two test blasts directly out from Bayocean on Tillamook Bay. The purpose was to determine the feasibility of blasting a channel in that area to permit small boats to dock closer inshore. Although no consequential shellfish except oysters (beds...
Sampling with seine and trawl from May 1974 to November 1976 indicated that the species composition and distribution of fishes in Tillamook Bay through time is primarily related to the movements of marine species in and out of the estuary. Northern anchovy (Engraulis mordax), surf smelt (Hypomesus pretiosus), and shiner...
Ana1ysis of January to March samples of gaper clam larvae from Yaquina Bay, Oregon have established four hypotheses for further testing: 1) gaper clams have an approximately lunar cycle of spawning intensity with maximum production of larvae at the periods of greatest tidal amplitude, 2) the time required for development...
In addition to clam fisheries statistics and results of interviews with recreational clam diggers, this report contains brief mention of native oyster (Ostrea lurida) enhancement activities in Netarts and Alsea bays.
In addition to statistics on bay clams, the report includes information about a program to replant native Olympia oysters in Netarts and Alsea bays and to enhance native oyster habitat in Yaquina Bay.