Environmental Practice

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Features & Reviews

Environmental Review: Ecoregions: A Geographic Framework to Guide Risk Characterization and Ecosystem Management

Sandra A. Brycea1 c1, James M. Omernika2 and David P. Larsena2

a1 Dynamac Corporation, Corvallis, Oregon

a2 U.S. Environmental Protection Agency, Corvallis, Oregon

(Received February 19 1999)

(Revised May 28 1999)

(Accepted June 11 1999)

Correspondence

c1 Dynamac Corporation, U.S. EPA National Health and Environmental Effects Research Laboratory, Western Ecology Division, 200 SW 35th St., Corvallis, OR 97333; (fax) 541-754-4338; (e-mail) bryce@mail.cor.epa.gov