[1] Natl Ctr Ecol Anal & Synth, Santa Barbara, CA 93101 USA
[2] Univ Texas Austin, Sect Integrat Biol, Austin, TX 78712 USA
[3] Univ Calif Los Angeles, Dept Ecol & Evolutionary Biol, Los Angeles, CA 90095 USA
[4] Katholieke Univ Leuven, Aquat Ecol Lab, B-3000 Louvain, Belgium
[5] Washington State Univ, Dept Math, Pullman, WA 99164 USA
[6] Washington State Univ, Dept Biol Sci, Pullman, WA 99164 USA
[7] Univ Montpellier 2, Inst Sci Evolut, F-34095 Montpellier, France
[8] Michigan State Univ, WK Kellogg Biol Stn, Hickory Corners, MI 49060 USA
[9] Univ Paris 06, Ecol Lab, F-75252 Paris, France
[10] McGill Univ, Redpath Museum, Montreal, PQ H3A 2K6, Canada
[11] Stockholm Univ, Dept Syst Ecol, S-10691 Stockholm, Sweden
[12] Univ Calif Davis, Ctr Populat Biol, Sect Ecol & Evolut, Davis, CA 95616 USA
[13] Univ British Columbia, Dept Bot, Vancouver, BC V6T 1Z4, Canada
[14] Univ British Columbia, Dept Zool, Vancouver, BC V6T 1Z4, Canada
[15] Indiana Univ, Dept Biol, Bloomington, IN 47405 USA