Caption:
Tom Gower, a University of Wisconsin-Madison forest ecology and management professor,
examines the site of a 1989 burn in Canada’s boreal forest.
Photo by: Wolfgang Hoffmann
Date: unknown
Full-size JPEG
Caption: An aerial view reveals the extent of a 2003 fire
in the boreal forest of Manitoba, Canada. University of Wisconsin-Madison forest
ecologist Tom Gower has found that fires are the leading environmental factor
driving the balance of carbon dioxide uptake and release in these forests.
Photo by: Wolfgang Hoffmann
Date: unknown
Full-size JPEG