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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

New Mexico 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
5,180
5,006
4,833
-35
-35
-35
Other forest land
9,413
9,333
9,252
-16
-16
-16
Reserved timberland
1,233
1,326
1,420
19
19
19
TOTAL
15,826
15,665
15,505
-32
-32
-32
 
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
Douglas-fir
1,006
969
933
-7
-7
-7
Ponderosa pine
3,353
3,311
3,268
-8
-8
-8
Western white pine
0
0
0
0
0
0
Fir-spruce
764
786
808
4
4
4
Hemlock-Sitka spruce
0
0
0
0
0
0
Larch
0
0
0
0
0
0
Lodgepole pine
0
0
0
0
0
0
Redwood
0
0
0
0
0
0
Other Hardwoods
763
932
1,102
34
34
34
Other forest types
945
1,046
1,147
20
20
20
Pinyon-juniper
8,048
8,124
8,199
15
15
15
Chaparral
0
0
0
0
0
0
Non-stocked
947
497
48
-90
-90
-90
Unused
0
0
0
0
0
0
TOTAL
15,826
15,665
15,505
-32
-32
-32
 
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
Douglas-fir
76.4
72.6
67.8
-0.75
-0.96
-0.86
Ponderosa pine
198.5
198.2
197.4
-0.07
-0.16
-0.11
Western white pine
28.7
15.9
0.0
-2.55
-3.19
-2.87
Fir-spruce
47.3
56.7
67.6
1.87
2.20
2.03
Hemlock-Sitka spruce
0.0
0.0
0.0
0.00
0.00
0.00
Larch
0.0
0.0
0.0
0.00
0.00
0.00
Lodgepole pine
0.0
0.0
0.0
0.00
0.00
0.00
Redwood
0.0
0.0
0.0
0.00
0.00
0.00
Other Hardwoods
46.5
57.0
66.9
2.11
1.97
2.04
Other forest types
56.5
62.8
69.3
1.26
1.29
1.28
Pinyon-juniper
438.4
442.5
446.7
0.83
0.83
0.83
Chaparral
0.0
0.0
0.0
0.00
0.00
0.00
Non-stocked
49.4
24.9
2.4
-4.91
-4.49
-4.70
Unused
0.0
0.0
0.0
0.00
0.00
0.00
TOTAL
941.7
930.7
918.1
-2.21
-2.51
-2.36
 
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
206.9
198.4
189.9
-1.71
-1.69
-1.70
Forest floor and coarse woody debris
226.4
223.1
221.0
-0.66
-0.42
-0.54
Soils
487.9
488.2
488.6
0.07
0.07
0.07
Wood products and landfills
20.5
21.0
18.6
0.09
-0.48
-0.19
TOTAL
941.7
930.7
918.1
-2.21
-2.51
-2.36
 
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
409.3
431.3
450.2
4.39
3.79
4.09
Other Public
220.2
170.3
120.1
-9.98
-10.05
-10.02
Forest Industry
0.3
0.2
0.1
-0.02
-0.02
-0.02
Other Private
311.8
328.8
347.7
3.40
3.77
3.59
TOTAL
941.7
930.7
918.1
-2.21
-2.51
-2.36
 
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
-0.7
-1.6
-0.15
-0.18
-0.16
Forest floor and coarse woody debris
0.0
-1.3
-2.7
-0.27
-0.27
-0.27
Soils
0.0
-1.4
-2.7
-0.27
-0.27
-0.27
Wood products and landfills
0.0
0.2
0.3
0.03
0.04
0.03
TOTAL
0.0
-3.3
-6.7
-0.65
-0.68
-0.67

 


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