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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

Tennessee 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	12,839	13,052	13,265	43	43	43
Other forest land	24	12	0	-2	-2	-2
Reserved timberland	395	366	337	-6	-6	-6
TOTAL	13,258	13,430	13,602	34	34	34

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	80	72	64	-2	-2	-2
Spruce-fir	19	10	0	-2	-2	-2
Longleaf-slash pine (planted)	0	0	0	0	0	0
Longleaf-slash pine (natural)	0	0	0	0	0	0
Loblolly-shortleaf pine (planted)	314	331	347	3	3	3
Loblolly-shortleaf pine (natural)	1,024	1,006	987	-4	-4	-4
Oak-pine	1,487	1,539	1,591	10	10	10
Oak-hickory	9,454	9,465	9,477	2	2	2
Oak-gum-cypress	679	659	639	-4	-4	-4
Elm-ash-cottonwood	99	71	43	-6	-6	-6
Maple-beech-birch	101	106	111	1	1	1
Aspen-birch	0	0	0	0	0	0
Other forest types	0	132	264	26	26	26
Non-stocked	0	39	79	8	8	8
TOTAL	13,258	13,430	13,602	34	34	34

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	8.6	8.2	7.8	-0.10	-0.07	-0.08
Spruce-fir	2.1	1.0	0.0	-0.21	-0.21	-0.21
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)	17.5	18.9	21.2	0.29	0.45	0.37
Loblolly-shortleaf pine (natural)	54.4	53.3	52.7	-0.23	-0.12	-0.17
Oak-pine	87.6	89.6	90.5	0.39	0.18	0.28
Oak-hickory	616.0	642.8	670.7	5.36	5.58	5.47
Oak-gum-cypress	46.1	47.2	48.1	0.22	0.19	0.21
Elm-ash-cottonwood	5.5	5.3	5.1	-0.04	-0.03	-0.04
Maple-beech-birch	10.4	11.4	12.3	0.21	0.17	0.19
Aspen-birch	0.0	0.0	0.0	0.00	0.00	0.00
Other forest types	12.6	21.1	28.3	1.69	1.45	1.57
Non-stocked	0.0	2.4	4.8	0.48	0.48	0.48
TOTAL	860.9	901.2	941.6	8.06	8.08	8.07

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	343.9	373.3	402.8	5.88	5.90	5.89
Forest floor and coarse woody debris	60.6	59.9	59.3	-0.15	-0.13	-0.14
Soils	382.5	385.5	388.7	0.61	0.63	0.62
Wood products and landfills	74.0	82.5	90.9	1.71	1.68	1.70
TOTAL	860.9	901.2	941.6	8.06	8.08	8.07

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	46.2	48.8	51.3	0.51	0.51	0.51
Other Public	78.6	82.0	85.7	0.69	0.73	0.71
Forest Industry	77.4	75.4	73.3	-0.39	-0.42	-0.40
Other Private	658.8	695.0	731.3	7.25	7.26	7.26
TOTAL	860.9	901.2	941.6	8.06	8.08	8.07

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	-1.4	-0.9	-0.28	0.09	-0.09
Forest floor and coarse woody debris	0.0	-0.4	-0.8	-0.08	-0.08	-0.08
Soils	0.0	-1.1	-2.0	-0.22	-0.17	-0.20
Wood products and landfills	0.0	0.7	1.5	0.14	0.16	0.15
TOTAL	0.0	-2.2	-2.2	-0.44	-0.01	-0.22

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