When ecosystems are green, predators are often holding grazers in check, while, when they are overgrazed, predator loss or removal is often responsible for elevated grazer densities and plant loss.
Three South Dakota efforts have been recognized nationally by the Earth Team of the U.S. Department of Agriculture's Natural Resources Conservation Service (NRCS), making a difference in every county ...
Some range scientists are angry about overgrazed grasslands in the two parks, resulting from too many bison and elk. Some fishermen are angry about the slaughter of lake trout. Somebody somewhere ...
Effectively hunted out of the park by the 1930s, wolves no longer posed a threat, and elk flourished and overgrazed the park’s saplings so that new trees struggled to grow. With fewer trees ...
After a warm welcome and trip across the country, two southern sea otters now call the New York Aquarium their home. The adult female otters were rescued off the coast of California when they were ...