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Creator:: Gibson, Gary G. and Oregon. Fish Commission
Abstract:: "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%....
Resource Type:: Technical Report
Full Text:: Outboard Motor Effluent Experiment. 8 RESULTS AHD DISCUSSION. 9 Mortality .......• 9 Yaquina Bay

Creator:: Gibson, Gary G., Oregon. Fish Commission, and United States. Fish and Wildlife Service. Bureau of Commercial Fisheries
Abstract:: "Objectives of Oregon's Oyster Mortality study for the year ending March 1969 were similar to those of the first 2 years of the program: (1) to monitor oyster mortality in Yaquina, Tillamook and Coos bays, (2) to collect hydrographic data in Yaquina Bay and (3) to furnish oysters to the...
Resource Type:: Technical Report
Full Text:: the oyster mortality stations in Yaquina Bay 2 2. Quarterly mean percentage increase in shell size

Creator:: Gibson, Gary G., Oregon. Fish Commission, and United States. Fish and Wildlife Service. Bureau of Commercial Fisheries
Abstract:: "Objectives of Oregon's Oyster Mortality Study from July 1, 1967-March 31, 1968, were: (1) to monitor oyster mortalities to detect a possible increase in mortality rate, (2) to collect hydrographic data for comparison with data from areas where high oyster mortalities occur, and (3) to furnish oysters from a relatively...
Resource Type:: Technical Report
Full Text:: : Oyster Mortality Study Prepared by: Gary G. Gibson U. S. Fish and Wildlife Service Bureau of

Creator:: Gibson, Gary G., Oregon. Fish Commission, and United States. Fish and Wildlife Service. National Marine Fisheries Service
Abstract:: "Oyster mortality data collected from suspended trays at three subtidal locations in Yaquina Bay disclosed an unusually high 26.5% Pacific oyster (Crassostrea gigas) mortality during the study year. Almost all of this mortality resulted from culling damage which occurred previous to introduction of the oysters into trays. Native oyster mortality...
Resource Type:: Technical Report
Full Text:: STUDY Oyster mortality data collected from suspended trays at three sub- tidal locations in Yaquina Bay

Creator:: Gibson, Gary G., Oregon. Fish Commission, and United States. Fish and Wildlife Service. Bureau of Commercial Fisheries
Abstract:: Covers: April 1, 1969 - March 30, 1970. "Objectives of Oregon's oyster mortality study for the past year included monitoring oyster mortality in Yaquina, Tillamook, and Coos bays, obtaining hydrographic data in Yaquina Bay; and furnishing oysters to the University of Washington and the Bureau of Commercial Fisheries (BCF) in...
Resource Type:: Technical Report
Full Text:: OYSTER MORTALITY STuDY ANNUAL REPORT April 1, 1969 - March 30

Creator:: Oregon. Fish Commission
Abstract:: This report is an update of shellfish investigations from January to August in 1951. It includes (among other things) criticism of human pollution such as lumber mill dust and human sewage, particularly in the Yaquina Bay area, discussion of a proposed experimental closure of the Nehalem Bay area to crab...
Resource Type:: Technical Report

Creator:: Oregon. Fish Commission
Abstract:: "From a thesis submitted to Oregon State University in partial fulfillment of the requirements for the degree of Doctor of Philosophy, June, 1971."
Resource Type:: Technical Report

Creator:: Oregon. Fish Commission
Abstract:: This is the first volume of a new publication replacing the Research Briefs and the Contribution series. It follows Volume 13, Number 1 of the Research Briefs and Contribution Number 29. Frequency of publication of this series will depend on the number and size of acceptable manuscripts submitted to the...
Resource Type:: Technical Report
Full Text:: the first (1961) brood were used to study mortality and maturation rates with a general model that

Creator:: Oregon. Fish Commission
Resource Type:: Technical Report
Full Text:: ). Differential Mortality Hatchery fish were marked by excising the adipose fin and a maxillary bone. The

Creator:: Oregon. Fish Commission
Resource Type:: Technical Report
Full Text:: . Mortali,ty Rates Cumulative percentage mortality is plotted against time for the four test groups in

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