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Science 28 May 2004:
Vol. 304. no. 5675, pp. 1251 - 1252
DOI: 10.1126/science.1095780
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Policy Forum

ECOLOGY:
Ecology for a Crowded Planet

Margaret Palmer,1* Emily Bernhardt,2 Elizabeth Chornesky,3 Scott Collins,4 Andrew Dobson,5 Clifford Duke,6 Barry Gold,7 Robert Jacobson,8 Sharon Kingsland,9 Rhonda Kranz,6 Michael Mappin,10 M. Luisa Martinez,11 Fiorenza Micheli,12 Jennifer Morse,1 Michael Pace,13 Mercedes Pascual,14 Stephen Palumbi,12 O. J. Reichman,15 Ashley Simons,16 Alan Townsend,17 Monica Turner18

Within the next 50 to 100 years, the support and maintenance of an extended human family of 8 to 11 billion people will be difficult at best. The authors of this Policy Forum describe changes that are required if we hope to meet the needs and aspirations of humans while improving the health of our planet's ecosystems. Problems as diverse as disease transmission and global climate change have benefited substantially from advances in ecology. Such advances have set the stage for emergence of a proactive ecological science in which social and political realities are acknowledged and attention is turned decisively toward the future. The ecological sciences must chart an understanding of how ecosystem services can persist given their extensive human use. Innovative research on the sciences of ecosystem services, ecological restoration, and ecological design must be massively accelerated and must be accompanied by more effective communication of ecological knowledge to society.

1University of Maryland, College Park, MD; 2Duke University, Durham, NC; 3University of California, Santa Cruz, CA; 4University of New Mexico, Albuquerque, NM; 5Princeton University, Princeton, NJ; 6Ecological Society of America, Washington, DC; 7David and Lucile Packard Foundation, Los Altos, CA; 8U.S. Geological Survey, Columbia, MO; 9Johns Hopkins University, Baltimore, MD; 10University of Calgary, Alberta, Canada; 11Instituto de Ecologia, Xalapa, Mexico; 12Stanford University, Pacific Grove, CA; 13Institute of Ecosystem Studies, Millbrook, NY; 14University of Michigan, Ann Arbor, MI; 15University of California, Santa Barbara, CA; 16COMPASS, Washington, DC; 17University of Colorado, Boulder, CO; 18University of Wisconsin, Madison, WI.

*Author for correspondence. E-mail: mpalmer{at}umd.edu

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