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Environmental Science: A Global Concern, 7/e
William P. Cunningham, University of Minnesota
Mary Ann Cunningham, Vassar College
Barbara Woodworth Saigo, St. Cloud State University

Biological Communities and Species Interaction

Chapter Web Links

Otters, Orcas, and other marine species in Alaska

Bird monitoring and research: Pautuxent Observatory

Cornell Laboratory of Ornithology

Biological Resources Division, USGS

National Biological Information Infrastructure

Long-term Ecological Research Network

Atmosphere, Hydrosphere, and Biosphere

International Geosphere and Biosphere Program

Complexity in ecological systems