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Abundance of gaper clam larvae in lower Yaquina Bay Oregon from 12 January to 12 March, 1976 : report to Oregon Dept. of Fish and Wildlife

Creator:: Flynn, M. Joan
Abstract:: Ana1ysis of January to March samples of gaper clam larvae from Yaquina Bay, Oregon have established four hypotheses for further testing: 1) gaper clams have an approximately lunar cycle of spawning intensity with maximum production of larvae at the periods of greatest tidal amplitude, 2) the time required for development...
Resource Type:: Technical Report
Full Text:: clam larvae in Yaquina Bay, Oregon was conducted over a nine week period from 12 January to 17 March

Evaluation of the 1977 bay clam regulations

Creator:: Gaumer, Tom
Abstract:: In 1976, the Oregon Department of Fish and Wildlife Commission approved regulation changes for the sport harvest of bay clams. The changes were made at the request of the shellfish staff; our concern was the gradual deterioration in the status of the stocks as reflected in annual census work on...
Resource Type:: Technical Report
Full Text:: overall bay clam 36-bag l i mit). In 1977 Oregon State Police from TillJmook County questioned the

Status of Oregon's clam stocks : informational report

Creator:: Oregon Fish Commission. Shellfish Program
Abstract:: Attached note reads, "This report is provided as background information for the November 25 hearing. The staff will be providing a review of the status of the clam resource at that time."
Resource Type:: Technical Report
Full Text:: OREGON'S CLAM STOCKS INTRODUCTION Razor clams occur along most of the Oregon coast, but about 90% of the

Clam resources in a proposed Charleston boat basis expansion site

Creator:: Gaumer, Thomas F.
Abstract:: The Port of Coos Bay is considering expanding their marina facilities in Charleston. Several sites are being considered; one to the north of the present boat basin and one to the south (Figure 1). The southern proposal is for an area that historically has supported an important recreational clam fishery....
Resource Type:: Technical Report
Full Text:: clam fishery. A Fish Commission of Oregon resource use survey of that tidef1at in 1971 showed that

Oregon's captivating clams [1975]

Creator:: Jacobson, Robert W. (Robert Warren), Heikkila, Paul, Hilderbrand, Kenneth S., and Oregon State University. Extension Service/Marine Advisory Program
Resource Type:: Technical Report
Full Text:: , 1953). Wilkerson, Burford, Lefs Clam in Tillamook County, Tilla- mook County [Oregon] Chamber of

Oregon bay clam distribution, abundance, planting sites and effects of harvest, annual report, 1978/1979

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

Oregon bay clam distribution, abundance, planting sites and effects of harvest, annual report, 1977/1978

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

Oregon bay clam distribution, abundance, planting sites and effects of harvest, annual report

Creator:: Gaumer, Thomas F. and Oregon. Department of Fish and Wildlife
Resource Type:: Technical Report
Full Text:: . . . . . . . . . . . . . . . . 18 9 Clam Survey Transect Lines and Sample Stations, etarts Bay . . . . . . . 19 10

Investigations of an accidental discharge of effluent from the Menasha pulp mill into Coos Bay

Creator:: Gaumer, Thomas F. and Phibbs, F. Duane
Abstract:: This document summarizes investigations of the effluent discharge from a nearby pulp mill into Coos Bay. It discusses discovery of the discharge, but focuses on its effects on gaper clams in the bay.
Resource Type:: Technical Report

The 1978 razor clam fishery

Creator:: Link, Terry
Abstract:: 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....
Resource Type:: Technical Report
Full Text:: THE 1978 RAZOR CLAM FISHERY By Terry Link Oregon Department of Fish and Wildlife October 1979 F

ScholarsArchive@OSU

Abundance of gaper clam larvae in lower Yaquina Bay Oregon from 12 January to 12 March, 1976 : report to Oregon Dept. of Fish and Wildlife

Evaluation of the 1977 bay clam regulations

Status of Oregon's clam stocks : informational report

Clam resources in a proposed Charleston boat basis expansion site

Oregon's captivating clams [1975]

Oregon bay clam distribution, abundance, planting sites and effects of harvest, annual report, 1978/1979

Oregon bay clam distribution, abundance, planting sites and effects of harvest, annual report, 1977/1978

Oregon bay clam distribution, abundance, planting sites and effects of harvest, annual report

Investigations of an accidental discharge of effluent from the Menasha pulp mill into Coos Bay

The 1978 razor clam fishery

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