Oregon Troll Salmon Investigations Progress Report - 1948

Identification Information

Citation

Originator: Oregon Fish Commission

Publish Date: 1948

Online Link: None

BPA Project #:

Contact Information

Agency: Oregon Department of Fish and Wildlife

Name: Cedric Cooney

Job Position: Natural Resources Data and Systems Manager

Telephone: 503-947-6094

E-Mail Address: Cedric.X.Cooney@odfw.oregon.gov

Description

Abstract: Realizing that the problems of conserving the salmon populations of the State were becoming more acute each year, the Oregon Fish Commission, in the fall of 1945, inaugurated comprehensive investigations in order to determine ways and means of preserving and increasing the salmon runs. As part of this program, preliminary studies were started on the troll salmon fisheries in 1946. In 1947, these studies were expanded. The average weights of both species of troll caught salmon were determined throughout the season from May to November at various ports along the Oregon coast. The length-weight relationships of the fish were studied and scale samples were taken from both Chinook and silver salmon. Also, while this work was being carried out, a large number of troll caught salmon were inspected for clipped fins. Following these studies, the Oregon Fish Commission adopted preliminary regulations for the troll fishery designed to protect the immature fish and profit from their fast growth during their ocean life. These regulations were briefly: A minimum size limit of 27 inches, total length, for Chinooks and a closed season for silver salmon from November 16 to July 1. These regulation became effective in 1948. In order to check the consistency of the findings of the 1947 studies, the sampling of the troll catches was continued in 1948. In addition a limited program of tagging troll caught salmon was undertaken in order to obtain some knowledge of the movements of the salmon in the ocean.

Purpose:

Time Period of Content: 1948

Geographic Extent: Not Available

Status: Final

Use Constraints:

Format: PDF

Data Quality Information

Lineage-Source:

Data Information

No data information was supplied.

Entity and Attribute Information

Attributes Description: Field attribute information is available in the attached file(s).

Bibliography Information

Field Name	Value
Biblio ID	1110
Year	1948
Publisher
Request Type	Report (FCO Marine Fish Pgm)
Location	Coast, OR
Date Created
Date Cataloged
Date Published	1948
Type
Pages	1-8
Volume
Status	0
Descriptor	Ocean Salmon; Harvest; Coast, OR
Date Entered	1/1/1999
Location In Clackamas Library
Author
Duplicates
Number Remaining After Requests
Presumed All Distributed
Back Room Duplicates
Author	UNKNOWN
Risk	Harvest
Species
Disposition Of Requests	Tim Dalton: Requested, but no copies available
Disposition Of Requests	StreamNet Library: Requested, but no copies available
Disposition Of Requests	Jean McCrae - 2: Requested, but no copies available

Is a physical copy maintained for reference at Headquarters? Unknown