Northern Global Change Research Program


Regional Estimates: Great Plains Region North Central Region Northeast Region Pacific Coast Region Rocky Mountain Region South Central Region Southeast Region Close Window

Publications & Products

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

North Central Region (IL,IN,IA,MI,MN,MO,OH,WI) 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	74,583	77,546	80,510	593	593	593
Other forest land	2,778	2,124	1,470	-131	-131	-131
Reserved timberland	2,860	2,861	2,862	0	0	0
TOTAL	80,221	82,531	84,842	462	462	462

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	4,449	4,500	4,551	10	10	10
Spruce-fir	9,021	8,904	8,786	-23	-23	-23
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)	727	732	737	1	1	1
Oak-pine	915	1,102	1,290	37	37	37
Oak-hickory	23,837	25,054	26,271	243	243	243
Oak-gum-cypress	440	402	365	-8	-8	-8
Elm-ash-cottonwood	6,994	7,530	8,065	107	107	107
Maple-beech-birch	16,829	18,687	20,546	372	372	372
Aspen-birch	15,186	14,483	13,780	-141	-141	-141
Other forest types	0	5	10	1	1	1
Non-stocked	1,823	1,131	439	-138	-138	-138
TOTAL	80,221	82,531	84,842	462	462	462

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	388.6	401.3	415.0	2.55	2.73	2.64
Spruce-fir	704.6	691.8	679.3	-2.55	-2.51	-2.53
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	-0.1	-0.2	-0.02	-0.02	-0.02
Loblolly-shortleaf pine (natural)	40.4	40.6	40.2	0.04	-0.08	-0.02
Oak-pine	66.0	76.9	87.9	2.19	2.20	2.19
Oak-hickory	1,905.9	2,011.9	2,118.3	21.20	21.27	21.23
Oak-gum-cypress	40.4	42.0	43.7	0.33	0.33	0.33
Elm-ash-cottonwood	593.1	626.8	660.2	6.75	6.67	6.71
Maple-beech-birch	1,519.4	1,676.0	1,830.4	31.33	30.87	31.10
Aspen-birch	1,189.7	1,138.2	1,087.5	-10.29	-10.16	-10.22
Other forest types	21.1	22.1	22.8	0.21	0.14	0.18
Non-stocked	110.2	69.8	28.2	-8.09	-8.31	-8.20
TOTAL	6,579.3	6,797.6	7,013.2	43.7	43.1	43.4

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	1,569.3	1,715.3	1,861.5	29.2	29.2	29.2
Forest floor and coarse woody debris	681.1	697.8	712.4	3.3	2.9	3.1
Soils	4,076.4	4,103.0	4,129.8	5.3	5.4	5.3
Wood products and landfills	252.4	281.4	309.5	5.8	5.6	5.7
TOTAL	6,579.3	6,797.6	7,013.2	43.7	43.1	43.4

Table 5. Total carbon stock on forest land and annual change by owner (MMTC).
Accounting component	1987	1992	1997	Average Annual Change
				1987-1992	1992-1997	1987-1997
Biomass	702.0	729.8	756.6	5.56	5.35	5.46
Forest floor and coarse woody debris	1,309.4	1,359.3	1,410.8	9.97	10.32	10.14
Soils	383.7	356.9	329.4	-5.36	-5.51	-5.44
Wood products and landfills	4,184.1	4,351.5	4,516.4	33.48	32.98	33.23
TOTAL	6,579.3	6,797.6	7,013.2	43.66	43.13	43.39

Table 6. Change in total carbon stock on forest land attributed to land use change (MMTC).
Owner group	1987	1992	1997	Average Annual Change
				1987-1992	1992-1997	1987-1997
National Forest	0.0	-1.8	5.8	-0.4	1.5	0.6
Other Public	0.0	-2.5	-5.2	-0.5	-0.5	-0.5
Forest Industry	0.0	-6.7	-12.6	-1.3	-1.2	-1.3
Other Private	0.0	1.7	3.5	0.3	0.4	0.4
TOTAL	0.0	-9.3	-8.4	-1.9	0.2	-0.8

Page Contact: Kevin McCullough