White Paper On Ecosystem - Based Fishery Management For New England Fishery Management Council
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Ludwig’s Ratchet and the Collapse of New England Groundfish Stocks
The stocks of principal groundfish species off New England have collapsed, creating economic hardship and dislocation in fishing communities from Rhode Island to Maine. In this article we analyze the causes of this collapse using the “ratchet effect” described by Ludwig, Hilborn, and Walters (1993) as a framework. According to Ludwig, Hilborn, and Walters, powerful economic and political intere...
متن کاملA framework for ecosystem impacts assessment using an indicator approach
Assessment of the historical, present, and future states of marine ecosystems and the effects that humans and climate have on the state of an ecosystem are crucial to the scientific advice required to implement an ecosystem-based fishery management system. Management of federal groundfish fisheries in Alaska considers not just the target fishery, but also the possible impact those fisheries mig...
متن کاملTransition from Low to High Data Richness: an Experiment in Ecosystem-based Fishery Management from California
Fisheries can cause major impacts on ecosystems, but the goal of managing them sustainably requires more and different information than we now have. Few fisheries have the legal mandate for ecosystem-based management or to apply precautionary management when information is lacking, so fishermen have little incentive to demand improved information. The California Marine Life Management Act of 19...
متن کاملExport market influence on the development of the Pacific shrimp fishery of Sonora, Mexico
OR RE CT ED P Abstract The Pacific shrimp fishery is the most economically important and ecologically impactful fishery in Mexico. Strong export markets have had a tremendous influence on the technological development and structure of this fishery. This article describes the historical development, current status, ecological impacts and management of the open ocean trawling component of the shr...
متن کاملAn Integrated Approach Is Needed for Ecosystem Based Fisheries Management: Insights from Ecosystem-Level Management Strategy Evaluation
An ecosystem approach is widely seen as a desirable goal for fisheries management but there is little consensus on what strategies or measures are needed to achieve it. Management strategy evaluation (MSE) is a tool that has been widely used to develop and test single species fisheries management strategies and is now being extended to support ecosystem based fisheries management (EBFM). We des...
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تاریخ انتشار 2011