The Cost of Ecosystem Change: The Sierra Nevada Bighorn Sheep
We think of the sagebrush steppe as a symbol of the American west, but until only 250 years ago, this was not the case. UC Davis anthropologist Robert Bettinger sheds light on the cascade of large-scale ecosystem changes brought on by humans in California that threatens the last remaining Sierra Nevada Bighorn Sheep. Series: "UCTV Prime" [Science] [Show ID: 32534]