[1] Natl Ctr Ecol Anal & Synth, Santa Barbara, CA 93101 USA
[2] Univ Tasmania, Menzies Res Inst, Hobart, Tas 7001, Australia
[3] Yale Univ, Sch Forestry & Environm Studies, New Haven, CT 06511 USA
[4] Woods Hole Res Ctr, Woods Hole, MA 02543 USA
[5] Univ Sao Paulo, Inst Fis, BR-05508900 Sao Paulo, Brazil
[6] Univ Cape Town, Dept Bot, ZA-7925 Cape Town, South Africa
[7] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA
[8] S Dakota State Univ, Geog Informat Sci Ctr Excellence, Brookings, SD 57007 USA
[9] Univ Calif Santa Barbara, Environm Studies Program, Santa Barbara, CA 93106 USA
[10] Univ Calif Santa Barbara, Dept Ecol Evolut & Marine Biol, Santa Barbara, CA 93106 USA
[11] Columbia Univ, New York, NY 10027 USA
[12] CALTECH, Dept Control & Dynam Syst, Pasadena, CA 91125 USA
[13] Univ Bristol, Sch Geog Sci, Bristol BS8 1SS, Avon, England
[14] US Geol Survey, Western Ecol Res Ctr, Sequoia Kings Canyon Field Stn, Three Rivers, CA 93271 USA
[15] Univ Calif Los Angeles, Dept Ecol & Evolutionary Biol, Los Angeles, CA 90095 USA
[16] Univ Calif Berkeley, Ecosyst Sci Div, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA
[17] Monash Univ, Sch Geog & Environm Sci, Melbourne, Vic 3800, Australia
[18] Brown Univ, Dept Phys, Providence, RI 02912 USA
[19] Univ Bristol, QUEST, Dept Earth Sci, Bristol BS8 1RJ, Avon, England
[20] Ohio State Univ, Dept Anthropol, Columbus, OH 43210 USA
[21] Royal Holloway Univ London, Dept Earth Sci, Egham TW20 0EX, Surrey, England
[22] Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USA
[23] Vrije Univ Amsterdam, Fac Earth & Life Sci, Dept Hydrol & Geoenvironm Sci, NL-1081 HV Amsterdam, Netherlands
[24] Arizona State Univ, Sch Life Sci, Tempe, AZ 85287 USA