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Creator:: Gaumer, Thomas F., Robart, Gregory P., Geiger, Anne, and Oregon. Department of Fish and Wildlife
Abstract:: "We continued our studies of the distribution of bay clams in Oregon's estuaries, Maps showing the distribution of clams and vegetation type in Umpqua and Coos bays are presented. . . We continued to monitor the growth of laboratory produced clams planted in Netarts and Yaquina bays." (from the Abstract)...
Resource Type:: Technical Report
Full Text:: . . . . . . . . . 18 2 Gaper Clam Distribution, Umpqua Bay, Oregon, .1979. . . .. . . 19 3 Cockle, Littleneck and

Creator:: Gaumer, Thomas F., Robart, Gregory P., Geiger, Anne, and Oregon. Department of Fish and Wildlife
Abstract:: "Studies were continued on the distribution and abundance of bay clams in Oregon's estuaries. Maps showing distribution of clams, substrate type and vegetation type in Tillamook, Netarts and Salmon River estuaries are presented." (from the Abstract) The authors also report on experimental clam releases to supplement natural stocks, commercial clam...
Resource Type:: Technical Report
Full Text:: Commercial Clam Harvesting Sub-Sections of Yaquina Bay, Oregon, 1977. 95% Confidence Sub-Section ilo

Creator:: Gaumer, Thomas F. and Oregon. Department of Fish and Wildlife
Resource Type:: Technical Report
Full Text:: , 1976 to September 30, 1977 by Thomas F. Gaumer Oregon Department of Fish and Uildlife 4ational

Creator:: Gaumer, Thomas F. and Oregon. Department of Fish and Wildlife
Abstract:: This is an Oregon Dept. of Fish and Wildlife internal discussion paper about a proposal to create a new clam bed in front of the Hatfield Marine Science Center, and to explore releasing Manila clams or native clam species seed stock in order to enhance recreational clamming in Oregon.
Resource Type:: Technical Report
Full Text:: with no apparent trends. Over the years clam stocks in Oregon have been severely impacted by

Creator:: Gaumer, Thomas F., Robart, Gregory P., and Oregon. Department of Fish and Wildlife
Abstract:: "October 1, 1979 to September 30, 1980." "We continued our studies on the clam resources in Oregon's estuaries. Our objectives were: (1) to monitor the commercial harvest of subtidal clams in Yaquina and Coos bays and evaluate the effects of mechanical harvest on subtidal clam populations and habitat; (2) to...
Resource Type:: Technical Report
Full Text:: , Oregon, 1990 : 12 Survival of Gaper Clam Set, lglg year Class, Area 2, plot C, Yaqu inaBay . . . o

Creator:: Gaumer, Thomas F., Starr, Richard M., and Oregon. Department of Fish and Wildlife
Abstract:: "Annual report : October 1, 1980 to September 30, 1981" "During the year we continued our studies on the clam resources in Oregon's estuaries. Our objectives were: to collect data for developing a scientifically sound clam management database and to refine techniques for assessing the potential for a commercial clam...
Resource Type:: Technical Report
Full Text:: (Snedecor and Cochran 1978) to gaper clam population estimates. We utilized the CURFIT program in Oregon

Creator:: Gaumer, Thomas F., Starr, Richard M., and Oregon. Department of Fish and Wildlife
Abstract:: "Completion report : October 1, 1979 to December 31, 1981" "We completed Our assessment of commercial clam harvest potential in Tillamook, Yaquina and Coos bays. All three bays contained commercial quantities of clams. Detailed studies in Yaquina Bay in 1981 revealed a biomass estimate of 2.6 million pounds (1,179.1 mt)...
Resource Type:: Technical Report
Full Text:: Estimated Abundance of Various Cohorts of Gaper Clam, Area 2, Yaquina Bay, Oregon, 1975-81 ............ 6 6

Creator:: Gaumer, Thomas F., McCrae, Jean, and Oregon. Dept. of Fish and Wildlife. Marine Region
Abstract:: Study of recreational and commercial clam fisheries in Oregon. Good historical summary (1947-1974), statistics.
Resource Type:: Technical Report
Full Text:: . Oregon commercial clam harvest in pounds, 1928-88 ............................................. 7 2

Creator:: Gaumer, Thomas F.
Abstract:: This report summarizes the results of our bay clam studies in 1985. Activities summarized include monitoring of the recreational and commercial clam fisheries, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other projects.
Resource Type:: Technical Report
Full Text:: OREGON DEPARTMENT OF FISH AND WILDLIFE BAY CLAM DATA

Creator:: Gaumer, Thomas F., Halstead, Bruce G., and Oregon. Department of Fish and Wildlife
Abstract:: This report presents information on clam distribution in Oregon estuaries. It includes clam population estimates for parts of Yaquina, Tillamook and Coos bays. Gives data from a clam aging study. Permits were issued for commercial clam harvesting in Yaquina and Coos bays. Reports on plantings of clams in Netarts and...
Resource Type:: Technical Report
Full Text:: sites for niariculture projects; (2) to determine the potential for a suLtidal clam fishery in Oregon

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