; and (B) reduced the number and range of other species, including anadromous fish; (12) the natural ecosystems of the Northern Rockies Bioregion serve as educational and research centers for onsite studies in biology, geology, astronomy, and other sciences; (13) the pristine nature of public land helps local communities attract new residents and businesses based on local quality of life; (14) a review of the situation in the Northern Rockies Bioregion as of the date of enactment of this Act has revealed the urgent need for an ecological reserve system for the Northern Rockies Bioregion that includes core ecosystem reserve areas and biological connecting corridors necessary to ensure wildlife movements and genetic interchange between the core reserve areas; (15) wildlife freedom of movement is essential to the survival of wildlife species, and a number of scientific studies have identified movement corridors as necessary for wildlife conservation in a changing climate; (16) several foreign governments, including the governments of Australia and Scotland, have announced plans for corridors that would make wildlife movement possible as climate pressures increase; (17) the concept of connective corridors for wildlife movement— (A) has been endorsed by the Governors of States in the western United States; and (B) is recognized by conservation and scientific organizations, such as the National Academy of Sciences, which, in 2008, described freedom of movement for wildlife as basic to the emerging new science of movement ecology; (18) freedom of wildlife movement— (A) was a fundamental reason for the development and introduction of this Act; and (B) has become an increasingly high-profile issue in the climate and biological sciences; (19) the economic value to the United States of most of the public land, left in its natural state, exceeds any potential return to the Treasury of the United States from timber harvest and development