PA Forests and Old Growth Forests

1
PA Forests and Old Growth Forests
2
Before class, get started on

• Take out your Field Study Lab and turn it in up
  front.
• Take out your notes and answer the following
  questions
• What is an old growth forest?
• Where is the area of the largest old growth
  forest in the country?

3
Old Growth Forest

• Old-Growth Forests (virgin forest) forests that
  have never been disturbed (logged or burned)

4
California Redwoods
5
PA Forest History

• 29 million acres of virgin forest in the time of
  the colonists
• 200 years ago logging was done to clear the land
  for crops
• A high demand for wood made PA the leading lumber
  producer in the nation in the 1860s

6
PA Forest History Cont

• Many of the hemlock trees (state tree) were cut
  down for the tannic acid in their bark and the
  wood was wasted
• By the 1900s almost all the virgin forests were
  removed
• Today Pa manages 2 million acres of forest and
  only a few patches of virgin forest

7
Old Growth Forest in the Pacific Northwest

• Largest area of old-growth forest in the country.
• The area is high in biodiversity.

8
(No Transcript)
9
(No Transcript)
10
(No Transcript)
11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
(No Transcript)
15
(No Transcript)
16
(No Transcript)
17
Old Growth Forests can be sold

• Law requires that national forests and other
  federal lands to be managed for multiple use
• Logging
• Mining
• Grazing
• Recreation
• Fish and Wildlife Habitat
• Watershed Protection

18
Protected forests

• Only National Parks or Wilderness Areas are
  protected from logging

19
Conflict Between Logging and Environmental
Protection