https://www.usgs.gov/publications/restoring-habitat-permeability-roaded-landscapes-isometrically-scaled-wildlife
Restoring habitat permeability to roaded landscapes with isometrically-scaled wildlife crossings |...
Globally, human activities impact from one-third to one-half of the earth's land surface; a major component of development involves the construction of roads....
restoring habitatisometrically scaledpermeability