Types of forests
Forests can occur wherever the temperatures rise above 10 °C (50 °F) in the warmest months and the annual precipitation is more than 200 mm (8 inches).

Boreal forestA coniferous taiga, or boreal forest, in Siberian mountains.
Oulanka National Park, Finland: coniferous forestThe Oulankajoki River flowing through a coniferous forest in Oulanka National Park, Finland
Adirondack MountainsMixed evergreen and hardwood forest cover the slopes of the Adirondack Mountains near Keene Valley, New York