| The Heinz Center's State of the Nation's
Ecosystems |
| ecosystem: |
Forests |
| indicator Name: |
Forest Disturbance: Fire, Insects, Disease--recent
trends |
| page # in printed report: |
127 |
| location on page: |
upper |
| data source: |
USDA Forest Service Forest Health Protection/Forest
Health Monitoring Program (insects, disease), National Forest System
(fire); note that these data are not limited to national forests.
Coverage: all 50 states |
| 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: million
acres |
| |
Insects |
Disease |
Fire |
| 1979 |
31.6 |
|
3.0 |
| 1980 |
32.4 |
|
5.3 |
| 1981 |
28.4 |
|
4.8 |
| 1982 |
32.6 |
|
2.4 |
| 1983 |
34.9 |
|
5.1 |
| 1984 |
#N/A |
|
2.3 |
| 1985 |
38.5 |
|
4.4 |
| 1986 |
46.5 |
|
3.3 |
| 1987 |
26.2 |
|
4.2 |
| 1988 |
17.2 |
|
7.4 |
| 1989 |
13.2 |
|
3.3 |
| 1990 |
17.3 |
|
5.5 |
| 1991 |
22.8 |
|
2.2 |
| 1992 |
22.7 |
|
2.5 |
| 1993 |
13.5 |
|
2.3 |
| 1994 |
7.8 |
|
4.7 |
| 1995 |
24.7 |
|
2.3 |
| 1996 |
8.4 |
|
6.7 |
| 1997 |
9.6 |
44.3 |
3.7 |
| 1998 |
8.6 |
44.5 |
2.3 |
| 1999 |
7.7 |
42.9 |
5.7 |
| 2000 |
14.9 |
42.6 |
7.3 |
| 2001 |
15.6 |
42.4 |
3.6 |
| 2002 |
16.1 |
42.4 |
6.9 |
|