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Publications & Products

Carbon in United States Forests and Wood Products, 1987-1997: State-by-State Estimates
by Richard A. Birdsey & George M. Lewis

Minnesota Estimate for 1987-1997

Table 1. Area by land class (1000 ac).
Land class
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
Timberland
13,571
14,195
14,819
125
125
125
Other forest land
1,834
1,338
842
-99
-99
-99
Reserved timberland
1,178
1,157
1,136
-4
-4
-4
TOTAL
16,584
16,690
16,796
21
21
21
 
Table 2. Area of forest land by forest type (1000 ac).
Forest type
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
White-red-jack pine
1,199
1,166
1,134
-7
-7
-7
Spruce-fir
4,637
4,605
4,573
-6
-6
-6
Longleaf-slash pine (planted)
0
0
0
0
0
0
Longleaf-slash pine (natural)
0
0
0
0
0
0
Loblolly-shortleaf pine (planted)
0
0
0
0
0
0
Loblolly-shortleaf pine (natural)
0
0
0
0
0
0
Oak-pine
0
0
0
0
0
0
Oak-hickory
892
1,037
1,182
29
29
29
Oak-gum-cypress
0
0
1
0
0
0
Elm-ash-cottonwood
910
1,142
1,373
46
46
46
Maple-beech-birch
1,322
1,371
1,421
10
10
10
Aspen-birch
7,322
7,136
6,951
-37
-37
-37
Other forest types
0
0
0
0
0
0
Non-stocked
301
231
162
-14
-14
-14
TOTAL
16,584
16,690
16,796
21
21
21
 
Table 3. Total carbon stock on forest land and annual change by forest type (MMTC).
Forest type
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
White-red-jack pine
105.8
105.9
106.1
0.03
0.05
0.04
Spruce-fir
356.1
351.5
347.1
-0.90
-0.89
-0.90
Longleaf-slash pine (planted)
0.0
0.0
0.0
0.00
0.00
0.00
Longleaf-slash pine (natural)
0.0
0.0
0.0
0.00
0.00
0.00
Loblolly-shortleaf pine (planted)
0.0
0.0
0.0
0.00
0.00
0.00
Loblolly-shortleaf pine (natural)
0.0
0.0
0.0
0.00
0.00
0.00
Oak-pine
0.0
0.0
0.0
0.00
0.00
0.00
Oak-hickory
73.1
86.1
99.0
2.60
2.57
2.59
Oak-gum-cypress
0.0
0.0
0.1
0.01
0.01
0.01
Elm-ash-cottonwood
74.7
91.8
109.0
3.44
3.42
3.43
Maple-beech-birch
119.6
123.3
126.8
0.74
0.69
0.71
Aspen-birch
577.7
567.5
557.9
-2.03
-1.92
-1.97
Other forest types
0.3
0.4
0.4
0.01
0.01
0.01
Non-stocked
20.4
15.3
10.1
-1.02
-1.05
-1.03
TOTAL
1,327.6
1,342.0
1,356.4
2.87
2.89
2.88
 
Table 4. Total carbon stock on forest land and annual change by accounting component (MMTC).
Accounting component
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
Biomass
268.8
276.0
283.3
1.45
1.45
1.45
Forest floor and coarse woody debris
147.5
148.1
148.4
0.12
0.06
0.09
Soils
874.4
875.0
875.7
0.12
0.12
0.12
Wood products and landfills
36.9
42.8
49.1
1.18
1.26
1.22
TOTAL
1,327.6
1,342.0
1,356.4
2.87
2.89
2.88
 
Table 5. Total carbon stock on forest land and annual change by owner (MMTC).
Owner group
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
National Forest
206.1
214.7
223.4
1.72
1.73
1.73
Other Public
539.8
538.2
537.5
-0.33
-0.12
-0.23
Forest Industry
66.7
63.8
61.2
-0.56
-0.52
-0.54
Other Private
515.0
525.3
534.2
2.05
1.80
1.92
TOTAL
1,327.6
1,342.0
1,356.4
2.87
2.89
2.88
 
Table 6. Change in total carbon stock on forest land attributed to land use change (MMTC).
Accounting component
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
Biomass
0.0
-0.9
-1.1
-0.18
-0.04
-0.11
Forest floor and coarse woody debris
0.0
-0.6
-1.1
-0.11
-0.11
-0.11
Soils
0.0
-1.5
-2.9
-0.30
-0.29
-0.29
Wood products and landfills
0.0
0.4
0.8
0.08
0.08
0.08
TOTAL
0.0
-2.6
-4.4
-0.51
-0.36
-0.44

 


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