Sustainable Fisheries

Special Collection

Worldwide, small-scale coastal fisheries contribute significantly to providing food, employment, and incomes to many very poor people. But these same fisheries, and the ecosystems upon which they rely, are under increasing threat from a combination of climate change, pollution, over-fishing, and the exploitation of resources.


Fisheries management has been a major component in trying to address some of these issues, but with limited global success. The potential of fisheries, if managed well, is considerable but what form that potential will take will depend on how and why fisheries are managed.


This collection of reports and presentations explores just this question, describing some of the challenges faced by small-scale fisheries worldwide and their efforts to address these challenges and improve the health and well-being of the people who are dependent on these threatened environments.


The collection brings together the "grey literature" of the field, valuable work that is not readily available through academic journals and databases but is instead spread across dozens of organizational websites. This set of reports was initially identified as part of a synthesis review of key lessons commissioned by the Rockefeller Foundation's Program on Oceans and Fisheries. We are pleased to make it more easily available for others to use and build on and encourage researchers and practitioners to add relevant work to the collection.

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The Mangue Strategy : An Investment Blueprint for Small-Scale Fisheries in Brazil

January 11, 2016

Encourage Capital has worked with support from Bloomberg Philanthropies and The Rockefeller Foundation to develop an impact investing strategy supporting the implementation of sustainable management and extraction practices in a small-scale fishery in Brazil. The Mangue Strategy (Mangue) is a hypothetical $15 million impact investment to protect the mangrove crab (Ucides cordatus) fishery in the Brazilian state of Pará. This $15 million investment would fund the implementation of critical management improvements across the fishery, and be used to launch a crab export business with a network of buying stations and a modern processing facility designed to meet both domestic and international food safety standards. The Mangue Strategy has the potential to generate a 12.0% levered equity return while protecting the mangrove crab stock biomass from current and future overfishing, enhancing up to 1,300 fisher livelihoods across 10 extractive reserves (RESEXs), and providing an additional 2.4 million seafood meals to market annually by Year 9. Additionally, the strategy would support the sustainable management of up to 300,000 hectares of critical coastal mangrove forest within the Amazon Delta, protecting and capturing the economic and ecosystem services of this delicate ecosystem.