1. Forest Management
Part 2

2. Earth’s Forests: Cover 30% of the land Most are boreal or tropical
More than one third are used for lumber

3. Ecological Value of Forests
Great biodiversity and complex habitat
Mature forests are more diverse than young forests
Prevent soil erosion
Reduce flooding
Purify water
Absorb carbon dioxide
Produce oxygen

4. Ecological values cont.
Food
Medicine
Recreation
Ecotourism

5. Each layer has ecological value

6. Mature Forest Structure:
Canopy – insects, birds Subcanopy – food for tree dwelling mammals, nests, shelter Snag – (dead or dying) insects, holes for shelter Understory – varied habitat, food, shelter Forest floor – insects, decomposers

7. Economic Value of Forests
Wood products (shelter, furniture, etc.)
Fire for fuel and warmth
Paper
Food
Medicine (many cancer drugs)
Ecotourism

8. Forests are necessary for human survival.
Forests must be managed for sustainable use.