|
| |
Missouri's Forest Resources, 2008
From Forest Service, US Department of
Agriculture Northern Research Station
This publication provides an overview of
forest resource attributes for Iowa based on an annual inventory (2004-2008)
conducted by the Forest Inventory and Analysis (FIA) program of the U.S. Forest
Service, Northern Research Station.
These estimates, along with web posted core tables, are updated annually.
|
Table 1. - Annual estimates, uncertainty, and change |
| |
2008
Estimate |
Sampling error (%) |
Change
since 2003 (%) |
2003
Estimate |
|
Forest Land Estimates |
| Area (1,000 acres) |
15,396.9 |
0.8 |
5.6 |
14,576.4 |
|
Number of live trees 1-inch diameter or
larger (1,000,000 trees) |
8,533.9 |
1.3 |
4.4 |
8,177.2 |
| Biomass of live trees
1-inch diameter or larger (1,000 tons) |
620,235.2 |
1.0 |
10.2 |
562,770.7 |
| Net volume of live trees
(1,000,000 ft3) |
20,143.3 |
1.2 |
11.7 |
18,026.1 |
| Annual net growth of live
trees (1,000 ft3/year) |
536,216.0 |
3.7 |
na |
na |
| Annual mortality of live
trees (1,000 ft3/year) |
214,123.4 |
4.6 |
na |
na |
| Annual harvest removals of
live trees (1,000 ft3/year) |
132,437.4 |
9.6 |
na |
na |
| Annual other removals of
live trees (1,000 ft3/year) |
68,663.0 |
15.0 |
na |
na |
|
Timberland Estimates |
| Area (1,000 acres) |
15,047.7 |
.8 |
7.0 |
14,064.9 |
|
Number of live trees 1-inch diameter or
larger (1,000,000 trees) |
8,317.2 |
1.4 |
5.7 |
7,869.6 |
| Biomass of live trees
1-inch diameter or larger (1,000 tons) |
606,444.0 |
1.1 |
11.6 |
543,225.9 |
| Net volume of live trees
(1,000,000 ft3) |
19,703.9 |
1.2 |
13.2 |
17,406.9 |
| Net volume of
growing-stock trees (1,000,000 ft3) |
16,809.4 |
1.3 |
15.1 |
14,607.3 |
| Annual net growth of
growng-stock trees (1,000 ft3/year) |
509,696.7 |
3.3 |
-19.0 |
629,381.8 |
| Annual mortality of
growing-stock trees (1,000 ft3/year) |
128,628.9 |
5.2 |
57.2 |
81,836.2 |
| Annual harvest removals of
growing-stock trees (1,000 ft3/year) |
114,293.0 |
10.1 |
36.2 |
83,908.1 |
| Annual other removals of
growing-stock trees (1,000 ft3/year) |
60,402.6 |
16.6 |
74.2 |
34,681.1 |
| Note: Sampling
errors and error bars shown in the tables and figures in this report
represent 68% confidence intervals for the estimated values.
|
| |
|
|
|
|
|
Table 2. - Top 10 tree species by
statewide volume estimates, 2004-2008 |
| Rank |
Species |
Volume
of live trees
on forest land (1,000,000 ft3) |
Sampling
error
(%) |
Change
since
2003(%) |
Volume
of sawtimber trees on timberland (1,000,000
bd ft) |
Sampling
error
(%) |
Change
since
2003 (%) |
| 1 |
White oak |
4,021.8 |
2.9 |
10.7 |
12,408.9 |
3.7 |
20.0 |
| 2 |
Black oak |
2,941.4 |
3.2 |
5.5 |
9,564.2 |
4.0 |
11.4 |
| 3 |
Post oak |
2,095.9 |
3.6 |
10.4 |
4,603.2 |
4.9 |
24.2 |
| 4 |
Northern Red oak |
1,018.2 |
5.7 |
3.5 |
3,642.6 |
6.9 |
8.7 |
| 5 |
Shortleaf pine |
900.6 |
6.7 |
11.6 |
3,785.1 |
7.1 |
19.0 |
| 6 |
Eastern redcedar |
672.6 |
5.4 |
24.9 |
996.9 |
9.9 |
5.7 |
| 7 |
Scarlet oak |
654.2 |
5.7 |
9.9 |
2,064.6 |
6.9 |
14.8 |
| 8 |
Black walnut |
617.6 |
6.3 |
21.2 |
1,787.7 |
8.3 |
35.2 |
| 9 |
Shagbark hickory |
560.9 |
6.0 |
21.0 |
1,418.5 |
8.7 |
34.4 |
| 10 |
Black hickory |
435.8 |
5.1 |
7.0 |
879.4 |
8.8 |
4.3 |
| |
Other softwood species |
15.4 |
73.3 |
108.1 |
68.7 |
76.3 |
163.2 |
| |
Other hardwood species |
6,208.8 |
2.7 |
15.1 |
14,106.3 |
4.1 |
24.6 |
| |
All species |
20,143.3 |
1.2 |
11.7 |
55,326.2 |
1.8 |
19.1 |
|