1. Ocean and Coastal Policy Center Marine Science Institute University of California Santa Barbara, CA 93106, U.S.A.
2. Department of Earth and Planetary Science University of California Santa Cruz, CA 95064, U.S.A.
3. Department of Environmental Science and Resource Management California State University Channel Islands Camarillo, CA 93012, U.S.A.
4. Department of Anthropology Santa Clara University San Jose, CA 95053, U.S.A.