From the daily archives: Tuesday, December 4, 2012

Study Finds the Effect of Humans on Elk Behavior Exceeds the Effect of Natural Predators

On December 4, 2012 By

The idea that wolves and other large carnivores cause a “trophic cascade” through their impact on elk has been challenged by a number of recent publications. Last week another study was released that puts a dent in the notion– it suggests human activities, not large predators, are primarily responsible for elk vigilance in human-dominated landscapes.

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A Big Bonehead

(Cartoon by: Matt Wuerker | Date: May. 24, 2012)

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