Currently viewing the tag: "bear genetics"

Bear gals and guys more attractive on the other side of the road?

Now that many wildlife crossings are in place in Canadian national parks of the Rockies (Banff especially), it is clear that they are benefiting grizzly and black bears. They not only prevent them from being killed on the Trans-Canada Highway, they facilitate […]

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Greater Yellowstone grizzlies are inbred and Yellowstone Lake far below biological potential due to its infestation with lake trout-

The Associated Press reports that in a draft progress report to the U.N. Educational, Scientific and Cultural Organization World Heritage Committee, Yellowstone Park is looking for a million dollars a year to rid Yellowstone Lake of lake […]

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GYE grizzlies are probably not very diverse-

Unlike the wolves, which currently have fine genetic diversity, Greater Yellowstone grizzlies are likely not diverse. Nevertheless, a study is underway to see if any unrecognised interbreeding between GYE bears and those from the north has taken place.

Bears to get study. By Cory Hatch. Jackson Hole […]

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The genetics of bears apparently has been changed more over time by hunting and other human activities than by natural macro-changes like ice ages.

 Story in Science Daily. 

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Quote

‎"At some point we must draw a line across the ground of our home and our being, drive a spear into the land and say to the bulldozers, earthmovers, government and corporations, “thus far and no further.” If we do not, we shall later feel, instead of pride, the regret of Thoreau, that good but overly-bookish man, who wrote, near the end of his life, “If I repent of anything it is likely to be my good behaviour."

~ Edward Abbey