The birch forests also contain other tree species.

In the river valleys and uplands to the south were open birch forests.

A 15 m wide birch forest was also created.

On either side, sheer granite walls rose straight up; the only way out was straight ahead, through a dense birch forest.

The route climbs steadily through birch forest and the tree line before arriving at the refuge.

Many of the oak forests in the area have been replaced by birch forests.

In Alaska the permafrost degradation has caused a decrease in birch forests by 25%.

Mad River's signature experience, however, is skiing the tight birch forests between the runs.

The zoo lies in a natural, almost untouched birch forest.

Most of the birch forests occupy the area where the woods previously burnt down or were cut down.