We compiled existing data and information to characterize the condition and trends in high priority natural resources in San Juan Island National Historical Park. We identified 37 indicators to evaluate the condition and trend of these resources. For each indicator we attempted to define reference conditions to which we could...
We compiled existing data and information to characterize the condition and trends in high priority natural resources in Ebey’s Landing National Historical Reserve (EBLA, or "the Reserve"). We identified 29 indicators to evaluate seven major resource concerns. For each indicator we attempted to define reference conditions to which we could...
This report contains the results of standardized screening for the 1952 year-class of young razor clams. It also contains data regarding the age composition of the catch, a description of the marking program for 1952, and an analysis of recoveries by both sport and commercial fisheries.
Personnel of the OFC and OGC sampled various station of Coos Bay, Oregon to define areas used by several species of fish in the bay. Students at the University of Oregon Institute of Marine Biology sampled main channels with an otter trawl and observed animals on the tide flat. Primary...
This report is an update of shellfish investigations from June 1 to December 31, 1953. It includes a summary of bay clam and crab investigations, including details on oyster pests in Oregon and crab production for 1952. It also summarizes a survey on commercial razor clam production in Lincoln County...
This progress report contains updates on two phases of the razor clam investigations. The report focuses on length frequency data on the 1949-50 set of young clams, including graphs and figures, but also has a section on the abundance, mortality, and growth of the 1949 year class.
This report is an update of shellfish investigations from January 1-December 31, 1953. It includes a summary of bay clam and oyster investigations, including details on attempted pest control and control of algae on oyster beds. It also contains results of the 1953 Tillamook Bay Clam Survey, and discusses clam...
Recent successes of hatcheries in producing coho salmon have stimulated searches for additional hatchery locations in coastal watersheds. In the past hatcheries were designed with gravity flow water supplies, but in more recent years pumping the water has proven feasible. Because of the acceptance of pumping, naturally impounded waters are...
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...