1. Cooperative Institute for Marine Ecosystems and Climate (CIMEC); University of California; 1156 High St Santa Cruz CA 95064 USA
2. Southwest Fisheries Science Center; National Marine Fisheries Service; National Oceanographic and Atmospheric Administration; 110 Shaffer Road Santa Cruz CA 95060 USA
3. Alaska Fisheries Science Center; National Marine Fisheries Service; National Oceanographic and Atmospheric Administration; 7600 Sand Point Way N.E. Building 4 Seattle WA 98115 USA
4. Department of Ecology, Evolution, and Marine Biology; University of California; Santa Barbara CA 93106-9610 USA