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Population fragmentation compromises population viability, reduces a species ability to respond toclimate change, and ultimately may reduce biodiversi ty. We studied the current state and potential causes offragmentation in grizzly bears over approximat ely 1,000,000 km of western Canada, the northern United States(US), and southeast Alaska. We compiled much of our data from projects undertaken with a variety of researchobjectives including population estimation and trend, landscape fragmentation, habitat selection, vital rates, andresponse to human development. Our prim ary analytical techniques stemmed from genetic analysis of 3,134 bears,supplemented with radiotelemetry data from 792 bears. We used 15 locus microsatellite...
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Webinar: Mapping basic requirements for greater sage-grouse
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Tags: 2010,
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The challenge of managing for invasive species creates an opportunity for the GNLCC to provide leadership on landscape scale stressors where there is a need for coordination of planning and on the ground activities. Currently, to the best of our knowledge, the north-western part of the North American continent remains free of quagga and zebra mussels. Infestation of aquatic systems in the GNLCC by quagga and zebra mussels would be economically, socially and environmentally devastating. An infestation in one of the jurisdictions within the mussel-free northwest would likely lead to domino effect. It is therefore critical that managers recognize the interconnectedness of the ecosystems comprising the GNLCC and take...
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Presentation given at the 2014 North American Congress on Conservation Biology July 13-16, 2014 in Missoula Montana Abstract: The Crown of the Continent Ecosystem (CCE) is considered an ecologically intact ecosystem and one of the most diverse in North America, but like many natural areas, habitat fragmentation represents one of the area’s most pressing concerns. Species perceive and move through landscapes in different ways; understanding how these differences impact connectivity is vital to conservation efforts. Using resistant kernel connectivity modelling, this study explores connectivity in the CCE using a suite of hypothetical species to understand the synoptic patterns of connectivity in the CCE for multiple...
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