Gregory A. Green
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View article: Polar Bear (<i>Ursus maritimus</i>) Behavior near Icebreaker Operations in the Chukchi Sea, 1991
Polar Bear (<i>Ursus maritimus</i>) Behavior near Icebreaker Operations in the Chukchi Sea, 1991 Open
Increasing interactions of polar bears (Ursus maritimus) with human activity, combined with impacts of climate change, are of critical concern for the conservation of the species. Our study quantifies and describes initial reactions and be…
View article: Foothill yellow-legged frog conservation assessment in California
Foothill yellow-legged frog conservation assessment in California Open
The foothill yellow-legged frog (Rana boylii) is a stream-breeding amphib ian that has experienced significant population declines over a large portion of its historical range.This frog is nearing extirpation in much of the Sierra Nevada r…