<<<

As attitudes

towards wild ecosystems changed,

people began questioning whether

a wolf-less Yellowstone environment

was a healthy one.

Once the wolves were gone, the elk population exploded and they grazed their way across the landscape killing young brush and trees.

As early as the 1930s, scientists were alarmed by the degradation and were worried about erosion and plants dying off.

<<<

https://www.yellowstonepark.com/

park/

yellowstone-wolves-reintroduction

>>>