Fishing, environment, and the erosion of a population portfolio

[1 ]Department of Ecology, Evolution, and Marine Biology University of California Santa Barbara Santa Barbara California93101USA

[2 ]National Center for Ecological Analysis and Synthesis 735 State Street Santa Barbara California93101USA

[3 ]Conservation Biology Division Northwest Fisheries Science Center National Marine Fisheries Service National Oceanic & Atmospheric Administration Seattle Washington98112USA

[4 ]School of Environmental and Forest Sciences University of Washington Box 355020 Seattle Washington98195USA

[5 ]The Nature Conservancy 74 Wall Street Seattle Washington USA