There is hardly a thing not to like about this article from Kootenay British Columbia. Located just above Idaho they are using students to wrap and protect cotton woods which is way better than trapping beavers.
Ecological Comment: The relationship between cottonwoods and beavers in Kootenay ecosystem
Not only are beavers our national animal, the largest rodent in North America, and skilled builders, they 
are a keystone species. A keystone species is a living thing that fills an essential role in their ecosystem that no other species can.
Our friendly beavers are ecosystem engineers and one of the only mammals capable of changing a habitat. The trees that beavers fall to construct their dams and lodges are also a source of food for them. Unfortunately, this practice has impacted populations of young cottonwoods negatively in out river (riparian) systems. (more…)
