GAIUS R. SHAVER,¹ JOSEP CANADELL,² F. S. CHAPIN III,³ JESSICA GUREVITCH,⁴ JOHN HARTE,⁵ GREG HENRY,⁶ PHIL INESON,⁷ SVEN JONASSON,⁸ JERRY MELILLO,⁹ LOUIS PITELKA,¹⁰ LLINDSEY RUSTAD<sup>11

1</sup>Gaius R. Shaver ( ) is a senior scientist at The Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543. gshaver@mbl.edu
²Josep Canadell ( ) is GCTE executive officer at the GCTE International Project Office, CSIRO Wildlife &amp; Ecology, Canberra, ACT, 2601, Australia. Pep.Canadell@dwe.csiro.au
³F. S. Chapin III ( ) is a professor at the Institute of Arctic Biology, University of Alaska, Fairbanks, AK 99775. fschapin@lter.uaf.edu
⁴Jessica Gurevitch ( ) is an associate professor in the Department of Ecology and Evolution, SUNY–Stony Brook, Stony Brook, NY 11794-5245. jgurvtch@life.bio.sunysb.edu
⁵John Harte ( ) is a professor in the Energy and Resources Group, Department of Environmental Science, Policy, and Management, University of California, Berkeley, CA 94720. jharte@socrates.berkeley.edu
⁶Greg Henry ( ) is an assistant professor in the Department of Geography, University of British Columbia, Vancouver, BC V6T 1Z2, Canada. ghenry@geog.ubc.ca
⁷Phil Ineson ( ) is a professor in the Department of Biology, University of York, York YO10 5YW United Kingdom. pi2@york.ac.uk
⁸Sven Jonasson ( ) is a professor in the Department of Plant Ecology, University of Copenhagen, Copenhagen, Denmark. svenj@bot.ku.dk
⁹Jerry Melillo ( ) is a senior scientist at The Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543. jmelillo@mbl.edu
¹⁰Louis Pitelka ( ) is director of and professor at the Appalachian Laboratory, University of Maryland Center for Environmental Sciences, Frostburg, MD 21532. pitelka@al.umces.edu
¹¹Lindsey Rustad ( ) is a forest ecologist at the Northeastern Research Station, USDA Forest Service, Pownal, ME 04069. © 2000 American Institute of Biological Sciences. rustad@maine.edu