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Status and Solutions for the World's Unassessed Fisheries
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Status and Solutions for the World's Unassessed Fisheries
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Journal Article
Status and Solutions for the World's Unassessed Fisheries
2012
Overview
Recent reports suggest that many well-assessed fisheries in developed countries are moving toward sustainability. We examined whether the same conclusion holds for fisheries lacking formal assessment which comprise >80% of global catch. We developed a method using species' life-history, catch, and fishery development data to estimate the status of thousands of unassessed fisheries worldwide. We found that small unassessed fisheries are in substantially worse condition than assessed fisheries, but that large unassessed fisheries may be performing nearly as well as their assessed counterparts. Both small and large stocks, however, continue to decline; 64% of unassessed stocks could provide increased sustainable harvest if rebuilt. Our results suggest that global fishery recovery would simultaneously create increases in abundance (56%) and fishery yields (8 to 40%).
Publisher
American Association for the Advancement of Science,The American Association for the Advancement of Science
Subject
/ Animal, plant and microbial ecology
/ Animals
/ Biological and medical sciences
/ Biomass
/ Conservation of Natural Resources - statistics & numerical data
/ Fish
/ Fisheries - statistics & numerical data
/ Fundamental and applied biological sciences. Psychology
/ Marine
/ Salmon
/ Seafood - statistics & numerical data
/ Sustainable fisheries management
/ Thunnus
/ tuna
/ Tunas
