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The Implications of a Paradigm Shift in Ocean Resource Management for Fisheries Stock Assessment

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The Future of Fisheries Science in North America

Part of the book series: Fish & Fisheries Series ((FIFI,volume 31))

A paradigm shift in oceans management is underway, which will influence the future of stock assessment. On one hand, fisheries are increasingly being seen as one ocean sector amongst many, with many new objectives under an ecosystem approach to management (EAM) being sought. On the other hand, there is growing acceptance that stock assessment needs to be considered as only one element of a more comprehensive management strategy evaluation (MSE). Both these trends have implications for science support of future MSEs and the process whereby this science is managed and delivered. There will be a move towards ecosystem models that propose plausible hypotheses of ecosystem functioning. To support these, there will need to be theoretical developments on ecosystem control, spatial dynamics, and the habitat — productivity linkage. Growth in monitoring technology will provide unprecedented opportunities to enhance our knowledge and will fundamentally impact MSE and EAM. Stock assessment will initially be similar to current versions but will increasingly be required to report on ecosystem-related impacts. Decision making will involve evaluation of the merits of competing management strategies in relation to achievement of EAM objectives in the face of uncertainty. The science delivery process will evolve towards review and agreement of management frameworks separate from their scheduled application in assessment. Framework reviews will become quite elaborate, having to deal with all elements of an MSE. Experience with MSE has been limited but positive thus far with experiments in the approach occurring globally. The transition to the new paradigm will however require both a cultural shift in the scientific, ocean management and stakeholder communities and new financial mechanisms. Notwithstanding this, the new paradigm promises to provide a more effective basis for the management of the world's oceans resources.

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  1. Bedford Institute of Oceanography, P.O. Box 1006, Dartmouth, Nova Scotia, B2Y 4A2, Canada

    Robert N. O'Boyle

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  1. Pacific Biological Station, Fisheries & Oceans Canada, 3190 Hammond Bay Road, Nanaimo B.C., V9T 6N7, Canada

    Richard J. Beamish

  2. School for Marine Science and Technology, University of Massachusetts, Dartmouth, 706 South Rodney French Boulevard, New Bedford, MA, 02744-1221, USA

    Brian J. Rothschild

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O'Boyle, R.N. (2009). The Implications of a Paradigm Shift in Ocean Resource Management for Fisheries Stock Assessment. In: Beamish, R.J., Rothschild, B.J. (eds) The Future of Fisheries Science in North America. Fish & Fisheries Series, vol 31. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-9210-7_4

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