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James Karr, Ph.D.

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James Karr, Ph.D.
Emeritus Professor
University of Washington
Dr. Karr has taught and done research in tropical forest ecology, ornithology, stream ecology, watershed management, landscape ecology, conservation biology, ecological health, and science and environmental policy, and developed the index of biotic integrity (IBI) to directly evaluate the effects of human actions on the health of living systems.

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