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Creator:: Marriage, Lowell D. and Oregon. Fish Commission. Shellfish Program
Abstract:: No.14 p. 2-4
Resource Type:: Technical Report
Full Text:: probably insure the fishery many years at ita preent level of intensity. -3- Lowell b. Marriage B iologi

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: The new closed season for commercial crab fishing in Oregon went into effect in 1948. This 1949 document summarizes the results of the 1948 closure and details research and procedures being used to refine the closing dates. This document provides a good look at earlier methods of natural resource management...
Resource Type:: Technical Report
Full Text:: of crabs/bioloeical standpoint¢ FurtherJ the number of areas cover~d and amount of gear from each

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: This document marks the beginning of a long struggle for Oregon natural resource managers to find the best time to open the crab season. The time of crab molting is highly variable, and it is hard to determine the best time (firm shells, full of meat) to start the commercial...
Resource Type:: Technical Report
Full Text:: , effective two weeks from date ot notice. Roger Tollefson Lonll D. Marriage A:;uatic Biologists

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: Much of this report is concerned with the perennial question of when crabs are in the soft-shell state, as opposed to when the commercial fishing season should be open. Other topics covered include molted crab shells, methods of measuring crab shells to determine if they meet size limits, early growth...
Resource Type:: Technical Report
Full Text:: construoted to continue this interesting growth experiment on the cockle clam. Roger Tollefson, Lowell D

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: Gives crab boats and number of pots fished for Astoria and Tillamook Bay. Gives number of crab pots being fished for given localities. Gives per cent of soft-shelled crabs by local areas.
Resource Type:: Technical Report

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