Proceedings 2017/038
Proceedings of the Regional Peer Review of the Fisheries and Oceans Canda (DFO)-Industry Atlantic Halibut Longline Survey Design; February 7 and March 9, 2017
Chairperson: Tana Worcester
Editor: Lottie Bennett
Summary
A regional peer review meeting was held on February 17, 2017, at the Bedford Institute of Oceanography in Dartmouth, Nova Scotia to review the design of the DFO-Industry Atlantic Halibut Longline Survey for the southern Grand Banks and Scotian Shelf management unit (NAFO Divs. 3NOPs4VWX5Zc). The focus of the meeting was to evaluate alternative survey design options that extend the sampling distribution of the longline survey into areas and depths not currently well represented and to review strategies for transitioning to a new survey and implications for the assessment model. Participation in this meeting included DFO Science and Resource Management, First Nation communities, fishing industry, and non-DFO scientists.
The DFO-Industry Atlantic Halibut Longline Survey provides an index of abundance in the statistical catch-at-length stock assessment model that is used in framework assessments every five years and as a key input to the interim procedures used to derive annual Total Allowable Catch (TAC) advice in the intervening years. The Atlantic Halibut Longline Survey began in 1998 and has been modified in the intervening years. It was last modified in the mid-2000s. The need to redesign the survey was identified in the 2014 Assessment Framework.
The meeting was reconvened on March 9, 2017, to present additional information and analysis on the survey design options.
This proceedings document includes a summary of the presentation and is the record of the meeting discussions and conclusions. A Research Document resulting from this meeting will be published on the Fisheries and Oceans Canada (DFO) Canadian Science Advisory Secretariat’s (CSAS) Website as it becomes available.
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