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.
This report discusses public interaction with personal-use fisheries. It also discusses reasons for razor clam violations and means taken to try and decrease them. Finally, it gives the total harvest and age composition data, and contains the results of a survey of clam diggers on Clatsop County beaches for 1965.
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.
The OFC staff had been investigating razor clam stocks in Oregon since 1949, and this report outlines their findings up to 1964. It gives the number of razor clams harvested as well as the number of diggers, and the age composition of those clams harvested. Finally, it discusses the increase...
This progress report covers the two-year period of April 1962-March 1964 in an attempt to make the reports current. In it, you can find analysis of softshell clam populations in multiple bays, including Siuslaw, Nehalem, and Tillamook. This report includes counts for personal-use clam diggers, as well as clam digging...
This report is an update of shellfish investigations from April 1967 to March 1970. It includes the results of bay clam surveys for Yaquina, Siuslaw, and Umpqua bays, and harvest numbers for razor clams in both personal-use and commercial fisheries. This report also contains a summary of beach surveys for...
Progress Report Number 38 covers the activities of Shellfish Investigation during the period April 1, 1966,through March 31, 19670 The activ-lties covered are those that are financed by state general fwid monies. Federally financed activities are covered in quarterly and annual rep arts of each such program. These and ot,her...
This report is an update of shellfish investigations from April 1965-March 1966. It has bay clam surveys results, with more detail on the Tillamook and Yaquina Bays, but includes others such as Nehalem, Siuslaw, Umpqua, and Nestucca. This report discusses the start of life history studies for the cockle clam,...
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...