14 May '11, 10pm

Yellowstone's grizzly bears face rapid changes. What will it all mean for these majestic creatures?

Yellowstone's grizzly bears face rapid changes. What will it all mean for these majestic creatures?

After the recent meeting of Yellowstone’s grizzly bear managers in Jackson, Wyoming, a manager asked me: “so what are the cumulative effects of the loss of Yellowstone cutthroat trout, whitebark pine, as well as the effects of climate change and wolves on Yellowstone grizzly bears? This was an astute question, especially regarding an animal with the lowest reproductive rate of any mammal in North America. The idea of “cumulative effects” is also important for grizzlies because of the large territory they need to survive—200 to 400 square miles in the Greater Yellowstone Ecosystem. In the world of bears, it is never one small insult —one timber sale, one subdivision, one poor year for berries —that ultimately sinks a population: it is the combination of many factors, perhaps best described as a “death from a thousand cuts”. These “cuts” take the form of excessive loss of wi...

Full article: http://switchboard.nrdc.org/blogs/lwillcox/yellowstones_g...

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Don’t want to face impossible decisions? Act no...

grist.org 13 May '11, 8pm

The Mississippi River on the rise. Photo: boxchain Cross-posted from the Natural Resources Defense Council . As The Washin...

Yellowstone Wolves Worth $35 Million a Year

Yellowstone Wolves Worth $35 Million a Year

care2.com 17 May '11, 2pm

A study was conducted by University of Montana researchers which found the presence of wolves in Yellowstone contributes m...