| The Heinz Center's State of the Nation's
Ecosystems |
| ecosystem: |
Forests |
| indicator Name: |
Carbon Storage: Carbon stored in trees |
| page # in printed report: |
123 |
| location on page: |
na |
| data source: |
USDA Forest Service. Coverage: timberlands in
lower 48 states. |
| notes: |
data for "Trees" as listed for 2002 report--current
info from Forest Service calls this "Biomass". 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: billion metric tons |
| |
East (from 2002 report) |
West (from 2002 report) |
| 1952 |
5.08 |
4.9 |
| 1962 |
6.01 |
4.73 |
| 1970 |
6.78 |
4.67 |
| 1977 |
7.7 |
4.77 |
| 1987 |
8.7 |
4.87 |
| 1992 |
9.2 |
5.2 |
| 1997 |
|
|
| Standing live trees, plus below ground biomass, billion metric
tons (timberlands only) |
| |
East-new |
West-new |
| 1953 |
5.10 |
4.37 |
| 1963 |
6.08 |
4.49 |
| 1977 |
7.72 |
4.46 |
| 1987 |
8.78 |
4.70 |
| 1997 |
9.81 |
4.95 |
|