P. S. LAKE,¹ MARGARET A. PALMER,² PETER BIRO,³ JONATHAN COLE,⁴ ALAN P. COVICH,⁵ CLIFF DAHM,⁶ JANINE GIBERT,⁷ WILLEM GOEDKOOP,⁸ KOEN MARTENS,⁹ JOS VERHOEVEN<sup>10

1</sup>P. S. (Sam) Lake ( ) is a professor of ecology in the Cooperative Research Centre for Freshwater Ecology and Department of Biological Sciences, Monash University, Clayton, Victoria 3168, Australia. sam.lake@sci.monash.edu.au
²Margaret A. Palmer is a professor in the Department of Biology, University of Maryland, College Park, MD 20742.
³Peter Biro is a research scientist at the Balaton Limnological Research Institute, Tihany, POB 35, Hungary.
⁴Jonathan Cole is a scientist at the Institute of Ecosystems Studies, Cary Arboretum, Millbrook, NY 12545.
⁵Alan P. Covich is a professor in the Department of Fishery and Wildlife Biology at Colorado State University, Fort Collins, CO 80523.
⁶Cliff Dahm is a professor of biology at the University of New Mexico, Albuquerque, NM 87131.
⁷Janine Gibert is a professor at the University of Lyon, 69622 Villeurbanne, France.
⁸Willem Goedkoop is a professor with the Swedish University of Agricultural Sciences, Department of Environmental Assessment, Uppsala SE–75007 Sweden.
⁹Koen Martens is a scientist with the Royal Belgian Institute of Natural Sciences, Vautierstraat 29, Brussels B–1000, Belgium.
¹⁰Jos Verhoeven is a lecturer in the Department of Geobiology at Utrecht University, 3508 TB, Utrecht, Netherlands. © 2000 American Institute of Biologiacal Sciences.