The Implication of a Statewide Ban on Trapping: Mass. (PDF)
The mission of state Fish and Wildlife agencies across
the country is to maintain and conserve sustainable
wildlife populations while meeting the needs and
interests of all citizens. Beavers are a keystone species
in the environment, as they provide valuable habitat for
many other fish, wildlife, and plant species and offer
sustenance to people when they are harvested for food
and fur. Wildlife biologists maintain beaver populations
for their ecological, utilization, and intrinsic values by
integrating multiple goals, objectives, and regulations.
Full story here.