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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

North Carolina 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	18,749	18,694	18,639	-11	-11	-11
Other forest land	43	43	44	0	0	0
Reserved timberland	489	552	615	13	13	13
TOTAL	19,281	19,289	19,298	2	2	2

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	225	228	231	1	1	1
Spruce-fir	28	19	11	-2	-2	-2
Longleaf-slash pine (planted)	231	207	184	-5	-5	-5
Longleaf-slash pine (natural)	364	296	228	-14	-14	-14
Loblolly-shortleaf pine (planted)	1,360	1,619	1,878	52	52	52
Loblolly-shortleaf pine (natural)	4,266	3,971	3,677	-59	-59	-59
Oak-pine	2,293	2,435	2,577	28	28	28
Oak-hickory	7,246	7,099	6,952	-29	-29	-29
Oak-gum-cypress	2,349	2,404	2,459	11	11	11
Elm-ash-cottonwood	394	283	172	-22	-22	-22
Maple-beech-birch	192	196	200	1	1	1
Aspen-birch	0	0	0	0	0	0
Other forest types	0	288	576	58	58	58
Non-stocked	334	243	153	-18	-18	-18
TOTAL	19,281	19,289	19,298	2	2	2

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	26.2	28.0	29.8	0.37	0.37	0.37
Spruce-fir	2.7	1.9	1.0	-0.17	-0.17	-0.17
Longleaf-slash pine (planted)	10.9	10.3	9.7	-0.13	-0.12	-0.13
Longleaf-slash pine (natural)	19.4	16.7	14.1	-0.53	-0.52	-0.52
Loblolly-shortleaf pine (planted)	79.7	96.0	112.9	3.26	3.37	3.31
Loblolly-shortleaf pine (natural)	278.0	267.6	257.0	-2.09	-2.11	-2.10
Oak-pine	154.5	167.8	182.0	2.67	2.83	2.75
Oak-hickory	543.4	545.9	547.9	0.50	0.41	0.45
Oak-gum-cypress	184.7	189.8	195.2	1.03	1.07	1.05
Elm-ash-cottonwood	28.4	20.6	12.3	-1.57	-1.65	-1.61
Maple-beech-birch	22.8	23.4	24.0	0.13	0.12	0.12
Aspen-birch	0.0	0.0	0.0	0.00	0.00	0.00
Other forest types	0.0	17.7	35.6	3.54	3.57	3.56
Non-stocked	12.7	9.2	5.7	-0.70	-0.70	-0.70
TOTAL	1,363.3	1,394.9	1,427.3	6.32	6.47	6.39

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	557.7	567.0	576.4	1.87	1.87	1.87
Forest floor and coarse woody debris	88.6	89.7	90.8	0.23	0.21	0.22
Soils	590.8	595.1	599.4	0.87	0.86	0.86
Wood products and landfills	126.3	143.1	160.7	3.35	3.53	3.44
TOTAL	1,363.3	1,394.9	1,427.3	6.32	6.47	6.39

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	94.8	97.9	101.6	0.62	0.73	0.67
Other Public	75.8	80.7	85.4	0.98	0.95	0.96
Forest Industry	151.2	154.4	158.5	0.64	0.81	0.72
Other Private	1,041.4	1,061.8	1,081.7	4.08	3.99	4.03
TOTAL	1,363.3	1,394.9	1,427.3	6.32	6.47	6.39

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	-3.5	-6.2	-0.70	-0.55	-0.62
Forest floor and coarse woody debris	0.0	-0.6	-1.2	-0.12	-0.12	-0.12
Soils	0.0	-1.7	-3.1	-0.34	-0.29	-0.31
Wood products and landfills	0.0	1.5	3.2	0.30	0.34	0.32
TOTAL	0.0	-4.3	-7.4	-0.86	-0.61	-0.74

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