The grazing of cattle at the Porter Ranch is an example of a disturbance regime designed to mimic the grazing patterns of wild herds and thus benefit native bunch grasses and grassland-dependant species such as badgers, gopher snakes, white-tailed kites, western bluebirds, bobcats, and burrowing owls.It's a delicate balance because overgrazing and having large stationary cattle populations are definitely not good. I'm not as informed as I'd like to be here, so maybe in the last five years this has been figured out definitively, but from what I've heard, disturbance regimes are a topic area where the science is still advancing and people of honor can disagree. Maybe a grasslands ecologist will show up with some more details.
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new Serengeti neighborGreat Plains... which is where they chose to live... and which was there long before they were... and which some people want to make sure still exists, at least on some scale, into the future.posted by markkraft at 1:05 PM on August 21, 2010 [6 favorites]