1. Current Problems in the Management of Marine Fisheries by J. R. Beddington, D. J. Agnew, and C. W. Clark Science Volume 316(5832):1713-1716 June 22, 2007 Published by AAAS

2. Fig. 1. Typical reference points and stock status definitions for stock biomass and fishing mortality. J. R. Beddington et al. Science 2007;316:1713-1716 Published by AAAS

3. Fig. 2. The fishery management dilemma is illustrated with a simple stock production curve showing sustainable yield varying with effort. J. R. Beddington et al. Science 2007;316:1713-1716 Published by AAAS