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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 Jersey 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
1,914
1,889
1,864
-5
-5
-5
Other forest land
30
26
21
-1
-1
-1
Reserved timberland
41
73
105
6
6
6
TOTAL
1,985
1,988
1,991
1
1
1
 
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
29
29
28
0
0
0
Spruce-fir
0
0
0
0
0
0
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)
510
553
596
9
9
9
Oak-pine
285
205
124
-16
-16
-16
Oak-hickory
807
866
925
12
12
12
Oak-gum-cypress
172
139
106
-7
-7
-7
Elm-ash-cottonwood
30
61
92
6
6
6
Maple-beech-birch
153
136
120
-3
-3
-3
Aspen-birch
0
0
0
0
0
0
Other forest types
0
0
0
0
0
0
Non-stocked
0
0
0
0
0
0
TOTAL
1,985
1,988
1,991
1
1
1
 
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
2.7
2.7
2.7
0.01
0.01
0.01
Spruce-fir
0.0
0.0
0.0
0.00
0.00
0.00
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)
23.4
26.5
29.7
0.62
0.64
0.63
Oak-pine
14.8
10.8
6.7
-0.80
-0.81
-0.80
Oak-hickory
63.2
70.2
77.2
1.40
1.39
1.40
Oak-gum-cypress
10.1
9.3
8.4
-0.17
-0.17
-0.17
Elm-ash-cottonwood
1.7
3.0
4.3
0.27
0.25
0.26
Maple-beech-birch
14.4
14.9
15.4
0.09
0.10
0.10
Aspen-birch
0.0
0.0
0.0
0.00
0.00
0.00
Other forest types
5.3
6.1
6.5
0.16
0.07
0.11
Non-stocked
0.0
0.0
0.0
0.00
0.00
0.00
TOTAL
135.6
143.5
150.9
1.58
1.48
1.53
 
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
35.2
40.8
46.5
1.12
1.14
1.13
Forest floor and coarse woody debris
12.5
13.2
13.8
0.12
0.12
0.12
Soils
80.7
81.5
82.2
0.15
0.15
0.15
Wood products and landfills
7.2
8.1
8.4
0.18
0.07
0.12
TOTAL
135.6
143.5
150.9
1.58
1.48
1.53
 
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
0.0
0.0
0.0
0.00
0.00
0.00
Other Public
37.4
39.8
42.2
0.48
0.48
0.48
Forest Industry
0.0
0.0
0.0
0.00
0.00
0.00
Other Private
98.2
103.7
108.7
1.10
1.00
1.05
TOTAL
135.6
143.5
150.9
1.58
1.48
1.53
 
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
-1.2
-0.14
-0.10
-0.12
Forest floor and coarse woody debris
0.0
-0.4
-0.7
-0.07
-0.07
-0.07
Soils
0.0
-1.3
-2.7
-0.27
-0.27
-0.27
Wood products and landfills
0.0
0.0
0.1
0.01
0.01
0.01
TOTAL
0.0
-2.4
-4.5
-0.47
-0.43
-0.45

 


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