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Title: Ecosystem-based management of Amazon fisheries and wetlands
Authors: Goulding, Michael
Venticinque, Eduardo Martins
Ribeiro, Mauro Lde B.
Barthem, Ronaldo Borges
Leite, Rosseval Galdino
Forsberg, Bruce Rider
Petry, Paulo
Lopes da Silva-Júnior, Urbano
Ferraz, Polliana Santos
Cañas, Carlos M.
Keywords: Biomass
Catch Statistics
Commercial Species
Community Resource Management
Conservation Management
Ecosystem Management
Estuarine Ecosystem
Fish Culture
Infrastructural Development
Life History
Migratory Species
Population Migration
River Basin
Amazon Basin
Amazon Estuary
Issue Date: 2019
metadata.dc.publisher.journal: Fish and Fisheries
metadata.dc.relation.ispartof: Volume 20, Número 1, Pags. 138-158
Abstract: Infrastructure development and overfishing in the Amazon make it imperative to define adequate scales for the ecosystem-based management of commercial fisheries and the wetlands on which they depend. We mapped fisheries and fish ecology data from Brazil, Peru, Bolivia and Colombia to an explicit GIS framework of river basins and mainstems. Migratory species account for more than 80% of the known maximum catches of commercial fisheries across the Amazon. Of these migratory species, we nominated six long-distance migratory fish taxa as flagship species to define the two main commercial fishery regions. The migrations of at least one goliath catfish species define a large-scale longitudinal link joining the Andes, Amazon Lowlands and Amazon River estuary. Migratory Characiforms demonstrate interbasin wetland connectivity between nutrient-rich and nutrient-poor rivers over at least 2 million km2, or about one-third of the Amazon Basin. We show that flooded forest area is the most important wetland variable explaining regional variations in migratory characiforme biomass as indicated by maximum annual fishery catches. The sustainable management of Amazon fisheries will require transnational cooperation and a paradigm shift from local community management alone to a more integrated approach that considers both rural and urban consumers and challenges, and the realistic life histories of migratory species. © 2018 The Authors. Fish and Fisheries Published by John Wiley & Sons Ltd.
metadata.dc.identifier.doi: 10.1111/faf.12328
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