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Creator:: Woelke, Charles E.
Abstract:: Many clams are damaged by diggers' shovels and never caught. In other cases, small clams are discarded by diggers and may not recover from having been dug. These phenomena are known as "clam wastage." In this 1951 document, the author attempts to map a strategy to enable fisheries managers to...
Resource Type:: Technical Report
Full Text:: dl.seess*d oa t&Ee b€aeho & ooeEsi,onc dlgger! iarp baoe obeemed aS €1reg of ged dlgg.tng Bo spad tklr

Creator:: Woelke, Charles E. and Oregon. Fish Commission. Shellfish Program
Abstract:: No.14 p.1. Gives a brief overview of the history and status of the Oregon razor clam fishery in 1951.
Resource Type:: Technical Report
Full Text:: iIEIF . . ***'3 frh uirrt i t *Z!St !OUG7d by ez*b kit Md I ... rc ..:. T. Oaø* $* Weø

Creator:: Morgan, Alfred R., Cleaver, Fred C. (Frederick Charles), 1916-, and Oregon. Fish Commission
Abstract:: During a tagging operation conducted in 1951 on the Alsea River, 1,142 adult silver salmon were tagged with plastic Petersen-type tags and stainless steel jaw tags. An attempt was made to determine whether tagged fish released in different apparent conditions suffered differential mortalities. Under the hypothesis that the recovery of...
Resource Type:: Technical Report
Full Text:: . Symbols used are: a = total tagged fish re- covered according to week tagged; b = total fish tagged each

Creator:: Oregon. Fish Commission and Cleaver, Fred C. (Frederick Charles), 1916-
Resource Type:: Technical Report

Creator:: Glanzman, Charles F., Glenne, Bard, Burgess, Fredrick J., 1926-, and Oregon State University. Engineering Experiment Station
Resource Type:: Technical Report
Full Text:: Characteristics and Water Quality of Netarts Bay Charles F. Glanzman Bard Glenne Fred J. Burgess Civil

Creator:: Tollefson, Roger, Marriage, Lowell D., Twahy, Donald, Wilkes, Stanley, Woelke, Charles, and Oregon. Fish Commission
Abstract:: This report contains a series of individual reports within it. The main report continues growth and aging studies on fat gaper clams in Yaquina Bay. This document also includes a report on other Fish Commission activities on the Coast, a summary of razor clam research, the beginning of a survey...
Resource Type:: Technical Report
Full Text:: .)" FurLher test- ing the oifference between the two oeane by toe f,b testrr, thc nulr hyFo- thesis being

Creator:: Aney, Warren W., Montgomery, Monty L., and Lichens, Allan B.
Abstract:: The lower Deschutes River of northcentral Oregon has a historically uniform discharge record. Significant reductions in discharge below the seasonal norms will degrade the environment for migratory and resident salmonids by increasing siltation and gravel compaction, and by reducing intragravel water dissolved oxygen content. Fish spawning will be limited by...
Resource Type:: Technical Report
Full Text:: ENVIRONMENT Warren W. Aney Monty L. Montgomery Allan B. Lichens Oregon State Game Commission Portland

Creator:: Van Hyning, Jack M. and Oregon. Fish Commission
Abstract:: Reprinted from Bulletin 2 of the Pacific Marine Fisheries Commission (1951).
Resource Type:: Technical Report
Full Text:: Off Depoe Bay 22 Sept. 1949 Sooke, B. C. 49 270 N. Trap 106 4 Aug. 1949 do. 1 Oct. 1949 Kalama R

Creator:: Marriage, Lowell D., Waldron, Kenneth D., and Oregon Fish Commission. Shellfish Program
Abstract:: A survey was made on this date for the purpose of ascertaining whether or not log jams in the Elk City region of the Yaquina River and Elk River (Yaquina River tributary) were a serious menace to the passage of salmon.
Resource Type:: Technical Report
Full Text:: boom area contaINIng a raft. of loga extendi 2/3 distance across stream from west bazk 0.30 Charles

Creator:: Griggs, James D., Montgomery, Monty L., and Oregon. State Game Commission. Fishery Division
Abstract:: Big Lava Lake in Deschutes County, Oregon, was chemically treated September 19, 1963, to eliminate a population of roach and white fish. An estimated kill in excess of 400,000 fish resulted from the application of 4,620 gallons of liquid rotenone (Pro-Noxfish) at a toxicity of 2.0 ppm. Live -boxed brook...
Resource Type:: Technical Report
Full Text:: STATE OF OREGON OREGON STATE GAME COMMISSION FISHERY DIVISION Charles J. Campbell, Chief of Operations

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