I thought I knew about old forests.
They fertilize the canopy of old forests.
So it only exists in old forests.
How do old forests compare with new ones in their environmental value?
Under pressure from environmentalists, he recently promised to phase out the felling of old forests by 2010.
Russia, home to 26% of the world's remaining old forests, has already lost about 70% of its original old-growth cover.
The study's authors say that any treaty also needs to protect old forests and that, so far there is no sign that such protections are being considered.
Visit the Thain Family Forest being dedicated this weekend at the New York Botanical Garden, and you will start to think about old forests and their powers in a far different way.
However, when the forest cover was segregated into old forests (primary forest, mature secondary forest and undisturbed mature plantations) and, open and disturbed forests the old forests were observed to significantly improve (p < 0.05) most water quality parameters.
"Old forests in Europe are necessary and we certainly need those forests.
