Razor clams from Clatsop beach (Tillamook Head - Columbia River) were sampled regularly from March through September and periodically the rest of the year. Sport and commercial diggers were interviewed to obtain catch location and number and age composition of clams dug. Random age-length samples and wastage samples were collected....
Razor clams from Clatsop beaches (Tillamook Head - Columbia River) were sampled regularly from March through September and periodically the rest of the year. Sport and commercial diggers were interviewed to obtain catch location and number and age composition of clams dug. Random age-length samples and wastage samples were collected....
Razor clam catches from Clatsop beaches (Tillamook Head-Columbia River) were sampled regularly from March through September and periodically the rest of the year. Diggers were interviewed for number and age composition of clams harvested and the distribution and number of diggers. Data from beaches south of Tillamook Head were collected...
Razor clam catches from Clatsop beaches were sampled regularly from March through September and periodically the rest of the year. Diggers were interviewed for number and age composition of the clams harvested and the distribution and number of diggers. Data from beaches south of Tillamook Head were collected as time...
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...
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. 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...
Clams dug by razor clam diggers were sampled from March through September. The sampling day and area were selected randomly according to a method suggested by our statistician. The number of clam digger trips and the number and age of the clams were noted for the personal use and commercial...
Personal-use razor clam diggers were sampled on alternate minus tides from April to September. The number of diggers and the number and age composition of clams dug were noted. Wastage was sampled each tide series.