[PDF] Grizzly Bears Worldlife Library Ebook
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Wildlife Guide National Wildlife Federation A Clarion Call to Action to Save Wildlife, Ourselves. The unprecedented threats facing wildlife must be a clarion call to action, the National Wildlife Federation says following the release of a new report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services. Read More Bear, Grizzly - Wildlife Waystation From 1800 to 1975 the grizzly bear population in the lower 48 decreased from over 50,000 to between 1,400 and 1,700. Major causes of this decline include land development resulting in major deforestation and loss of habitat, predatory persecution, commercial trapping and hunting for sport. TWS Journals - wildlife.onlinelibrary.wiley.com Though yearly variation occurred, we derived from our density estimates an expected abundance of approximately 67.4 resident grizzly bears, indicating a 4% per year increase since a 2007 estimate of 51 bears. These SECR density estimates pertain only to bears with home ranges that were centered within the study area.
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