Oregon Nearshore Fisheries Effort Shift Survey Commercial Fisheries Representativeness Report

Identification Information

Citation

Originator: The Research Group, LLC.

Publish Date: 2018

Online Link: None

BPA Project #:

Contact Information

Agency: Oregon Department of Fish and Wildlife

Name: Lindsay Aylesworth

Job Position: Marine Reserves Program Leader

Telephone: 541-867-4741

E-Mail Address: lindsay.x.aylesworth@odfw.oregon.gov

Description

Abstract: The Marine Resource Program, Oregon Department of Fish and Wildlife sponsored a nearshore fisheries effort shift investigation. The potential shift in effort would have been triggered by fishing access closures due to the implementation of Oregon marine reserve system management plans. The Department of Environmental Science and Management, Portland State University was retained to complete the project using primary data collection to find commercial and recreational fisheries participants responses to the management plans. A mail-out survey to commercial nearshore fisheries permit registrants and recreational charter boat permit registrants solicited financial, operational, and social characteristic information as well as attitudinal information about fisheries management and other influences on fishing success. The survey results and derived models are described in a separate report authored by the survey project contractor. This report describes a representativeness analysis of the survey frame and survey respondents for commercial nearshore fisheries permit registrants. The survey design assumed commercial nearshore fisheries participants held one or more of three Oregon permit types (Dungeness crab, salmon troll, and nearshore groundfish). Owner names for three permit types were merged and survey unit duplicate addresses were deleted from the survey list. This resulted in the survey frame containing 1,161 survey units. The survey units were not tagged to vessel identification codes. In order to conduct a representativeness analysis using landed value, it was necessary subsequent to survey administration to find the vessel identifications associated with the pulled permits. The number of permit owner names that match at least one vessel identification is 1,053. The number of respondents for these vessels is 204. After considering refusals and undeliverables, the survey response rate is 21.2 percent. The relatively low response rate is not unusual for a natural resource user voluntary survey that solicits for financial performance information. The review for representativeness is primarily based on landed value. (Vessel revenue from distant water fisheries was not included in tabulations.) The respondent per vessel landed value interquartile range compared to the survey frame is somewhat higher for the salmon troll and nearshore groundfish fisheries and lower for the Dungeness crab fishery. No statistical differences were found between the survey frame and respondents using landed value means. Other measures reviewed for representativeness were vessel physical size, Oregon home port, and permit owner residency. Respondent means and proportions deviations from survey frame are small for these other measures. The fairly close adherence to known survey frame characteristics suggests that calibration schemes to improve representation may not be needed.

Purpose:

Time Period of Content:

Geographic Extent: Not available

Status: Final

Use Constraints: Prepared for Marine Resources Program, Oregon Department of Fish and Wildlife

Format: PDF

Data Quality Information

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Data Information

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Entity and Attribute Information

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

Is a physical copy maintained for reference at Headquarters? Unknown