| The Heinz
Center's State of the Nation's Ecosystems |
| ecosystem: |
Forests |
| indicator Name: |
Forest Age |
| page # in printed
report: |
126 |
| location on page: |
na |
| data source: |
USDA Forest Service.
Coverage: all 50 states (timberlands only.) |
| notes: |
please see technical
notes for further details on accessing these data from their original
source; this data table comes from a specific graphic in The State
of the Nation's Ecosystems report (www.heinzctr.org/ecosystems) |
| units: %
of forest lands |
| EAST |
| age class |
1997 |
2002 |
| 1-19 |
19.7 |
22.3 |
| 20-59 |
45.0 |
41.7 |
| 60-99 |
24.5 |
25.5 |
| 100-199 |
3.6 |
4.2 |
| 200+ |
1.1 |
0.0 |
| Uneven Aged |
6.1 |
6.4 |
| WEST |
| age class |
1997 |
2002 |
| 1-19 |
12.0 |
12.0 |
| 20-59 |
19.6 |
18.3 |
| 60-99 |
32.9 |
33.8 |
| 100-199 |
28.6 |
28.2 |
| 200+ |
7.0 |
7.0 |
| Uneven Aged |
0.0 |
0.7 |
|