Razor clam diggers were sampled from March through September on Clatsop beaches for number and age composition of the clams harvested and the distribution and number of diggers. Data from beaches south of Tillamook Head was collected as time permitted. Samples of razor clams from Clatsop beaches were collected for...
Razor clam catches were sampled from March through September. Clatsop beaches were sampled for number and age composition of the clams harvested and the distribution and number of diggers. Data from other beaches south of Tillamook Head were collected as time permitted. Data was compiled on clams returned from the...
Private hatchery operations continued in 1973 and 1974 on more of an experimental than production basis. For 1973-brood chums, OSU increased their production at Whiskey Creek to a release of 761,000 fry and the state sold 247,500 eggs to private operators. AduIt returns to Whiskey Creek in 1973 were encouraging...
Razor clam catches were sampled from March through September. The sport and commercial catches from Clatsop County beaches were sampled for number and age composition of the clams harvested and the distribution and number of diggers. Data from other beaches south of Clatsop beaches were -collected as time permitted. The...
Razor clams were sampled from March through September. Due to lack of help, work was confined to Clatsop County beaches. The sport and commercial catches were sampled for numbers and age composition of the clams harvested and the distribution and numbers of diggers. The summer clam closure and sampling program...
"We monitored oyster mortality in Yaquina, Coos, and Tillamook bays from July 1966-March 1972. Pacific oyster (Crassostrea gigas) mortality in Yaquina Bay appears to be lower than in any other reporting area on the Pacific Coast, generally less than 2% per year. Native oyster (Ostrea lurida) mortality ranged from 9.6-28.2%....
"Striped bass (Morone saxatilis) were tagged on the Umpqua and Smith rivers (Figure 1) to estimate the numbers of bass recruited to the commercial fishery and to gather information on migration habits of bass in these rivers. Small numbers of striped bass were tagged in the summers of 1971 and...
"This information report provides an updated summary of all coastal shad tagging studies conducted by the Fish Commission. I believe these studies represent the only shad tagged in Oregon coastal streams south of the Columbia River. No new field work is reported. My intent is to tabulate, consolidate, update, and...