Environmental Defense Fund's Sustainable Fisheries Toolkit is the leading online resource for science-based information on rights-based management. No single organization in the world has invested more time or resources on rights-based management or education. Use the filters below to explore EDF’s fishery tools, manuals, case studies, academic studies, reports, and activities.

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  • Hasta el 2013, en el mundo existen cerca de 200 programas de manejo compartido por cuotas que incluyen a más de 500 especies en 40 países. Este mapa muestra el número de especies por país que se manejan bajo programas de manejo compartido por cuotas.
  • The Fishery Characterization Guide helps stakeholders gather contextual information important for developing knowledge of a fishery. This mapping activity is designed to support data collection for the Fishery Characterization Guide.
  • The metapopulation concept is her4e to stay in marine ecology. Science demands it, fisheries management needs it, and it is the last hope for marine conservation. The convergence of marine and terrestrial ecologists present in this book ushers in a new era of unified approach to wet and dry ecosystems simultaneously, even as it marks the most important milestone of marine ecology in more than 50 years.
  • Marine and fisheries scientists are increasingly using metapopulation concepts to better understand and model their focal systems. Consequently, they are considering what defines a metapopulation. The authors contrast metapopulations with other spatially structured populations that differ in the degree of local closure of their component populations. They conclude with consideration of the implications of metapopulation structure for spatially explicit management, particularly the design of marine protected area networks.
  • FEDECOOP is a highly notable Cooperative fishing rights system for small-scale fisheries that uses no-take zones and coordination across multiple communities as part of a co-management fishery plan with government.
  • The most productive fishing Cooperative in the Mexican-Caribbean since 1982, this area-based fishery management program has steadied the Punta Allen lobster catch while most other areas have seen a decline.
  • Bio-economic modeling can reveal the economic and ecological potential of different management decisions under different climate scenarios.
  • Policies are arising around the world, most recently in the United States, that mandate the implementation of marine spatial planning as a practical pathway towards ecosystem-based management. In the new United States ocean policy, ecosystem services are at the core of marine spatial planning, but there is little guidance on how ecosystem services should be measured. A new framework is shown here for practical, rigorous ecosystem service measurement that highlights contributions from both natural and social systems.
  • Cyanobacterial blooms affect aquatic ecosystems due to their capability of producing cyanotoxins (e.g., microcystins, MC; cylindrospermopsin, CYN) and other bioactive compounds. Filter feeding zooplankton are amongst the first organisms affected and research has mainly focused on their interactions with toxic cyanobacteria. We investigated oxidative stress, biotransformation and energetic responses of Daphnia magna after exposure to cyanobacterial extracts. The physiological and behavioral alterations indicate stress, which may impair overall performance of zooplankton at the environmental realistic chronic exposure scenario.
  • This report is based on results from the peer-reviewed study, Assessing catch shares’ effects: evidence from Federal United States and associated British Columbian fisheries, which analyzed 15 fisheries in the United States and British Columbia before and after implementing catch share programs and found that these programs deliver significant environmental, economic and social improvements compared to traditional management practices.

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