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Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: This document is in three parts: a report on the ghost shrimp fishery, elucidation of a method to tax commercial crab landings, and a description of a commercial enterprise that was catching small shore crabs and embedding them in plastic for sale as tourist souvenirs.
Resource Type:: Technical Report
Full Text:: 1 ' 1 'i.EIGHTS OF CRABS -- OREGON Lfu'lDINGS

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:: thc study area in Yaquina Bay (see Shellfish krogress Report o. 20) on August 29, 1950, at a -0.5

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:: , when they constitute up to 30 percent of the entire shellfish budget they in turn necessitate cutting

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:: " ' .. l4 Introduction 'allowing a public hearing held July 22, 1948 the Fish Commission of Oregon

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

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:: Oregon coast \l8.S divided into tvo areas. Area I - trca Casea4. Head north, and, Area n - trail

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon Fish Commission. Shellfish Program
Abstract:: Did regulations restricting the harvest of cockle clams by recreational clammers also restrict commercial harvesting for crab bait? In the case of Netarts Bay, they did not. The reasons for the exemption are given in this document.
Resource Type:: Technical Report

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: In 1949, the Army Corps of Engineers dredged Coos Bay. “Despite objection of local residents, commercial clam diggers, and the Fish Commission” the Corps dumped dredging spoils on a commercially important clam bed, and destroyed much of it. “This year, with an earlier start and more data, it is hoped...
Resource Type:: Technical Report
Full Text:: damage done to shellfish populations in this area0 (55 acres) Across frau Empire, Oregon, are the

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