Landscape-based models showed that DVCs were more likely in more heterogeneous landscapes where road densities were lower and speed limits were higher, and where non-forested vegetation such as farmland was in closer proximity to larger tracts of forest.
The strip-mining destroys vast tracts of forest and wetland.
Officials say huge tracts of forest could be ruined.
Large tracts of forest, especially in the Alps, are state-owned.
We soar above endless tracts of forest, marked only by the brown snakes of big rivers.
Officials also pointed to a wider use of clear-cutting operations that have laid bare vast tracts of forest.
The vast tracts of forest and mountainous terrain, with only scattered habitation, contribute to a surprising variety of wildlife.
Vast tracts of forest are hacked down before helicopters drop napalm to burn away the remaining vegetation.
You could let the governments in third world countries, in effect, buy and take charge of large tracts of forest and prevent them being chopped down.
Flathead County, adjacent to Glacier National Park, is home to some of Montana's wildest country, with vast tracts of forest and rugged mountain ranges.
