Grazing and Livestock
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Due to gross similarities in size, food preference, and appearance, it is often asserted that bison and domestic cattle are ecological analogs. However, a review of their evolutionary history demonstrates that they have significant differences in evolutionary pressures that manifest themselves in strikingly different modes of resource exploitation. Compared to domestic cattle, bison wander…
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Cattle grazing in the Mojave Desert, California. Photo by George Wuerthner Livestock advocates often state that cattle and sheep have merely “replaced” the native herbivores. And since plants are “adapted” to herbivory from native grazers, then “obviously” livestock grazing is compatible with ecosystem preservation. Some even go so far to claim that plants “need” to…
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The recent article “Low Flows On Deschutes” highlights why irrigation is a significant threat to our river’s ecological integrity. https://www.bendbulletin.com/localstate/environment/sudden-drops-in-deschutes-river-worries-biologists/article_c0f8df66-e3df-11ea-8d00-53d8f511683c.html The majority of water removed from the Deschutes is used to grow irrigated pasture and hay for livestock not crops consumed directly by humans. Photo by George Wuerthner According to the report, flows on…
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Paradise Valley, Montana. Photo by George Wuerthner Paradise Valley, Montana, is aptly named. The Yellowstone River flows north to Livingston, Montana, framed by the Absaroka Mountains on the east and the Gallatin Range on the West. It’s one of the most stunning landscapes in the entire West. Due to its location immediately adjacent to…
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Relict “historic” cottonwood along Missouri River. Photo by George Wuerthner One hundred forty-nine miles of the Missouri River in Montana is a designated Wild and Scenic River. It is also within the 375,000 acres Missouri River Breaks National Monument, which includes the Lewis and Clark and Nez Perce National Historic Trails. It is part…
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Cattle grazing Mojave National Preserve, CA. Photo by George Wuerthner The 1964 Wilderness Act requires federal agencies to protect and manage designated wilderness areas “to preserve its natural conditions.” Given that all domestic livestock are exotic alien animals and hardly contribute to “natural conditions,” one might assume that livestock production would be prohibited in designated…
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Ed. note: An earlier draft version of this post was inadvertently posted before final review. Please replace all prior copies with this final draft. Last summer, in a remote corner of the Bighorn Mountains of Wyoming, in the one spot with just a little cell reception, I sat in my car listening by phone to…
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Western Watersheds Project, Alliance for the Rockies, and the Yellowstone to Uintas Connection are seeking to block the killing of up to 72 grizzly bears over the next 10 years on national forest land in the headwaters of the Green River. With the Yellowstone grizzly listed as a ‘threatened species’ under the Endangered Species Act,…
