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Creator:: Snow, C. Dale and Oregon. Fish Commission. Research Division. Shellfish Investigations
Abstract:: Crabs molt every year. After molting, the shells are soft, and have not filled in with flesh. Fishery managers face a constant challenge to set the start of the crab season at the right date. Too early, and there are too many softshell crabs. Too late, and crab fishers are...
Resource Type:: Technical Report
Full Text:: betwet-n year yeat'e &.1' a raiL portion of tb arketab1e crab$ have coftheLLi (u I tt.le rnat) a in

Creator:: Snow, C. Dale and Oregon. Fish Commission. Shellfish Investigations
Abstract:: "The Shellfish Investigation samples the crab catch along the Oregon coast each year for shell condition as an index to meat yield and suitability of season opening dates. In addition to sampling for condition, a number of animals are sampled for width frequencies to determine the mean size of crabs...
Resource Type:: Technical Report
Full Text:: S1J11âRY OP T 1965-66 CRAB SRASON SANPLING AND ROJECPi) lANDINGS

Creator:: Snow, C. Dale and Oregon Fish Commission
Abstract:: "The purpose of this report is to discuss the following topics: (1) a review of the Oregon crab fishery; (2) crab condition studies; (3) seasons and problems involved in setting seasons; (4) "backing" crabs prior to landing; (5) closures off river mouths; (6) pot versus ring fisheries in bays; (7)...
Resource Type:: Technical Report
Full Text:: discuss the folloLing topics: (1) a review of the Oregon crab fishery; (2) crab condition studies; (3

Creator:: Snow, C. Dale and Oregon. Fish Commission. Shellfish Investigations
Abstract:: Each year, after crabs molt, there is a time when their shells are soft, and are not filled up with crab meat. This soft-shelled state is undesirable for fishers. Since the timing of molting varies from year to year, it is difficult for fishery managers to set the start date...
Resource Type:: Technical Report
Full Text:: . OREGON CRAB COl\TJ)rrION STUDIES DURING TEE 1960..61, 1961-62

Creator:: Snow, C. Dale and Oregon. Fish Commission. Research Division
Abstract:: It is not desirable to open crabbing seasons when a significant percentage of crabs still have soft shells following molting. Unfortunately, crabs do not molt on a fixed timetable. The problem of when to start the crabbing season is one that Oregon fishery managers have wrestled with for decades. This...
Resource Type:: Technical Report

Creator:: Snow, C. Dale and Oregon Fish Commission
Abstract:: "As requested, crab fishermen, processing plants, boat moorages, and chambers of commerce along the Oregon coast ware interviewed to obtain their thinking on crab seasons and regulations." Interviews were conducted from Astoria to Brookings.
Resource Type:: Technical Report
Full Text:: Crab Fishermen Interviews / / Auguat~eptember 1963

Creator:: Snow, C. Dale and Oregon. Fish Commission. Research Division
Abstract:: In the late 1950s, the Pacific Coast Dungeness crab fishery had problems with timing the opening of the commercial crabbing season. There were different opening dates in the region, and areas that opened their crab seasons early put pressure on later-opening areas by shipping their crabs to those areas before...
Resource Type:: Technical Report
Full Text:: / Oregon crab 3easons and their Effect on the Quality and

Creator:: Snow, C. Dale and Oregon. Fish Commission
Abstract:: "The purpose of this report is to discuss the general status of the Dungeness crab fishery in Oregon, to present the information available concerning the opening date of the 1964 season, and to inform the commission as to the merits of some regulation changes being considered by the staff." (p.1)...
Resource Type:: Technical Report
Full Text:: undoubtedly [cw. S S S 4. Oregon crab landings in 1963..64 totaLed 3.1 sillion pounds through June

Creator:: Neilsen, Jack and Oregon. Fish Commission
Abstract:: "Letters and newspaper articles concerning the low quantity and poor quality of Dungeness crabs in Nehalem Bay have been frequently received by the Oregon Fish Commission. Popular opinion usually places the blame for the lack of legal-sized bay crabs in the Nehalem estuary upon the adjacent commercial crab fisheries, A...
Resource Type:: Technical Report
Full Text:: crabbing was excellent. Discussion The history of the Dungeness crab fishery in Oregon has been one of

Creator:: Oregon. Fish Commission
Abstract:: This report covers a 3-year period. It includes a growth survey of gaper clams to establish normal growth patterns, a summary of a transplantation of softshell clams into Siuslaw Bay, and the results of crab tagging to determine movement/migration patterns. This report also has research on personal-use fisheries for razor...
Resource Type:: Technical Report
Full Text:: Crab laulltnga BDil Esti.rlat€it frnb€ra of Pots E[gh6at m tbp Orae@ Coaet' for tbc 195F58 Crab Ycara

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