[1] Univ Calif Santa Barbara, Interdept Grad Program Marine Sci, Dept Anthropol, Santa Barbara, CA 93106 USA
[2] Univ Queensland, Ctr Marine Studies, Marine Bot Grp, Brisbane, Qld 4072, Australia
[3] James Cook Univ N Queensland, Sch Marine Biol & Aquaculture, Townsville, Qld 4811, Australia
[4] Univ Tokyo, Div Int Relations, Dept Human Ecol, Grad Sch Med,Bunkyo Ku, Tokyo 1130033, Japan