A Preliminary Approach to Formalization of Ecosystem Based Fisheries Management using the NS1 Paradigm Public Deposited

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  • National Standard 1 states that a primary function of fisheries management in the single stock case is the determination of the annual allowable harvest, and it is based on the selection of a target stock size and a control rule that will specify a harvest path that that will cause the target stock size to be achieved or maintained. The selection of the target stock and the control rule are conceptually policy decisions. In principle, target stock and control rule are selected so as to maximize the benefits to current and future users. In summary, NS1 guidelines are focused on the answer to two questions. Where do we want to go? (What is the target stock size?) . How do we want to get there? (What is the control rule for determining the time path of harvests?) In an analogous manner, the basics of EBFM can be understood as a process of answering an analogous but expanded set of questions. It will be necessary to come with the EBFM equivalents or analogous concepts of the target stock size and the harvest control rule. But to complete the analogy it will also be necessary to answer the question of why do we want to go there. The legislative mandate to use Xmsy as the target stock in single species management has pushed that question aside. Given the non-comparability of the benefits from the use of the outputs of multiple stocks, it will be necessary to go beyond the concept of the maximization of sustainable biomass yield as a measure of benefits in order to design an EBFM system that will allow for the answer to the expanded set of question in an internally consistent manner. The presentation will describe a preliminary approach to the design of an EBFM program using the NS1 paradigm giving special emphasis to required changes in the statute and the guidelines.
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  • Anderson, Lee. 2015. A Preliminary Approach to Formalization of Ecosystem Based Fisheries Management using the NS1 Paradigm. In: Proceedings of the Eighth Biennial Forum of the North American Association of Fisheries Economists, May 20-22, 2015, Ketchikan, Alaska: Economic Sustainability, Fishing Communities and Working Waterfronts. Compiled by Ann L. Shriver and Melissa Errend. North American Association of Fisheries Economists, Corvallis, Oregon, USA, 2015.
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