Appendix - Forestry

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Table 1 Average Flux of Carbon Per Year

This table shows the average change per year in the total amount of carbon stored the forest between 1985 and 1998. The values shown for each category came from Tables 2 through 4.

Category	Tons C/Year (from 1985 to 1998)
Flux from Trees	-56540
Understory	1022
Forest Floor	11439
Soil	73156

Net Annual Flux From Forestry (tons)	29078
Net Annual Flux From Forestry (MTCE)	26379

Table 2- Flux From Trees: -56,540 tons of C per year

1985

Forest Type	1985 Biomass	Expansion Ratio of Volume of Merchantable to Total Volume of all Biomass	Total Volume of Above and Below ground Biomass (mil ft^3)	Tree Biomass Volume to Mass Conversion Value**	Mass of Tree Biomass in Dry Short Tons	Percent Carbon	Carbon Contained In Tree Biomass
White Pine/Red Pine	37.9	2.193	83.1147	0.421	1091728.21	0.521	568790.3961
Spruce/Fir	0	2.193	0	0.351	0.00	0.521	0
Loblolly/Shortleaf	4.6	2.193	10.0878	0.497	156392.23	0.521	81480.35109
Oak/Pine	5.6	2.193	12.2808	0.497	190390.54	0.521	99193.47089
Oak/Hickory	13.7	2.193	30.0441	0.374	350578.59	0.521	182651.4475
Oakfum/cypress	0	2.193	0	0.497	0.00	0.521	0
Elm/ash/red maple	0	2.193	0	0.497	0.00	0.521	0
Northern Hardwoods	8.1	2.193	17.7633	0.497	275386.32	0.521	143476.2704
Aspen Birch	0	2.193	0	0.370	0.00	0.521	0
Total Softwoods	69.9	2.193	153.2907		2064475.88		1075591.936
White Pine/Red Pine	4	2.14	8.56	0.530	141548.16	0.498	70490.98368
Spruce/Fir	0	2.14	0	0.525	0.00	0.498	0
Loblolly/Shortleaf	0.4	2.14	0.856	0.497	13270.66	0.498	6608.787876
Oak/Pine	5.3	2.14	11.342	0.497	175836.22	0.498	87566.43935
Oak/Hickory	290.6	2.14	621.884	0.636	12340168.59	0.498	6145403.957
Oakfum/cypress	0	2.14	0	0.497	0.00	0.498	0
Elm/ash/red maple	43.5	2.14	93.09	0.497	1443184.10	0.498	718705.6815
Northern Hardwoods	30.9	2.14	66.126	0.497	1025158.36	0.498	510528.8634
Aspen Birch	0	2.14	0	0.497	0.00	0.498	0
Hardwood Total	374.7	2.14	801.858		15139166.09		7539304.713

Total Carbon 1985

8614897

1998

Forest Type	1998 Millions of f^t3	Expansion Ratio of Volume of Merchantable and Total Volume	Total Volume of Above and Below ground Biomass (mil ft^3)	Tree Biomass Volume to Mass Conversion Value**	Mass of Tree Biomass in Dry Short Tons	Percent Carbon	Carbon Contained In Tree Biomass
White Pine/Red Pine	54.9	2.193	120.3957	0.421	1581421.60	0.521	823920.6529
Spruce/Fir	10.5	2.193	23.0265	0.351	252167.81	0.521	131379.4273
Loblolly/Shortleaf	2	2.193	4.386	0.497	67996.62	0.521	35426.2396
Oak/Pine	16.8	2.193	36.8424	0.497	571171.62	0.521	297580.4127
Oak/Hickory	17.7	2.193	38.8161	0.374	452937.31	0.521	235980.3373
Oakfum/cypress	0	2.193	0	0.497	0.00	0.521	0
Elm/ash/red maple	0	2.193	0	0.497	0.00	0.521	0
Northern Hardwoods	9.6	2.193	21.0528	0.497	326383.78	0.521	170045.9501
Aspen Birch	0	2.193	0	0.370	0.00	0.521	0
Total Softwoods	111.5	2.193	244.5195		3252078.73		1694333.02
White Pine/Red Pine	7.4	2.14	15.836	0.530	261864.10	0.498	130408.3198
Spruce/Fir	0.9	2.14	1.926	0.525	31547.88	0.498	15710.84424
Loblolly/Shortleaf	0	2.14	0	0.497	0.00	0.498	0
Oak/Pine	15.1	2.14	32.314	0.497	500967.35	0.498	249481.7423
Oak/Hickory	287.6	2.14	615.464	0.636	12212775.24	0.498	6081962.072
Oakfum/cypress	1.9	2.14	4.066	0.497	63035.63	0.498	31391.74241
Elm/ash/red maple	25.3	2.14	54.142	0.497	839369.14	0.498	418005.8331
Northern Hardwoods	44	2.14	94.16	0.497	1459772.42	0.498	726966.6663
Aspen Birch	0.1	2.14	0.214	0.497	3317.66	0.498	1652.196969
Hardwood Total	382.3	2.14	818.122		15372649.43		7655579.417
						Total Carbon 1998	9,349,912

Biomass

Unit: Millions of ft³

Source: Forest Statistics for Rhode Island: 1985 and 1998 USDA

Expansion Ratio of Volume of Merchantable Biomass to Total Volume of all Biomass

Unit: ft³/ft³

Source: State Workbook: Methodologies for Estimating Greenhouse Gas Emissions Volume VIII, Chapter 6

Total Above Ground and Below Ground Biomass

Unit: Millions of ft³

Source: Biomass x Expansion Ratio of Volume of Merchantable Wood to Total Volume of all Biomass

Tree Volume to Mass Conversion Value

Unit: Dry Short Tons/Millions of ft³

Source: Source: State Workbook: Methodologies for Estimating Greenhouse Gas Emissions Volume VIII, Chapter 6

** No data was available for certain forest types. The IPCC default of 0.497 was used in these occasions.

Mass of Tree Biomass

Unit: Dry Short Tons

Source: Total Above Ground and Below Ground Biomass x Tree Volume to Mass Conversion Value

Percent Carbon

Unit: Percentage of Carbon in Tree Biomass (Short Tons/Short Tons)

Source: State Workbook: Methodologies for Estimating Greenhouse Gas Emissions Volume VIII, Chapter 6

Carbon Contained in Biomass

Unit: Tons of Carbon

Source: Percent Carbon x Mass of Tree Biomass

Table 3 Carbon Flux From Understory

Year	Forest Land (thousands of acres	lbs of C in the Understory/Acre	lbs of C in Understory	tons of C
1985	411.9	1406	579131400	289,566
1998	393	1406	552558000	276,279

Average Annual Flux (tons/Year)		1,022

Forested Land

Unit: Thousands of Acres

Source: Forest Statistics for Rhode Island: 1985 and 1998 USDA

Pounds of Carbon in Understory per Acre

Unit: lbs. C/ Thousands of Acres

Source: State Workbook: Methodologies for Estimating Greenhouse Gas Emissions Volume VIII, Chapter 6

Pounds of Carbon in Understory

Units: lbs. C

Source: Forested Land x Pounds of Carbon in Understory per Acre

Average Annual Flux

Units: tons/year

Source: (Tons of C in 1998-Tons of C in 1985)/ 13 years

Table 4- Flux of Carbon from Forest Floor

Forest Type	1985 Forest Area	Carbon in Forest Floor Per Acre (lbs/ac)	Carbon (tons)	1998 Forest Area	Carbon in Forest Floor Per Acre (lbs/ac)	Carbon (tons)
Pines	39	23061	449,690	53	23,061	611,117
Hardwoods	341.1	23122	3,943,457	340	23,122	3,930,740
		Total	4,393,147		Total	4,541,857
Annual Flux tons/yr	11,439

Forested Land

Unit: Thousands of Acres

Source: Forest Statistics for Rhode Island: 1985 and 1998 USDA

Pounds of Carbon in Forest Floor per Acre

Unit: lbs. C/ Thousands of Acres

Source: State Workbook: Methodologies for Estimating Greenhouse Gas Emissions Volume VIII, Chapter 6

Pounds of Carbon in Forest Floor

Units: lbs. C

Source: Forested Land x Pounds of Carbon in Forest Floor per Acre

Average Annual Flux

Units: tons/year

Source: (Tons of C in 1998-Tons of C in 1985)/ 13 years

Table 5- Flux of Carbon From Soil


Year	Forest Land (thousands of acres		lbs of C in the Soil/Acre	lbs of C in	tons of C
1985	411.9		100638	41452792200	20726396.1
1998	393		100638	39550734000	19775367
Annual Flux (tons/Year)		73,156

Forested Land

Unit: Thousands of Acres

Source: Forest Statistics for Rhode Island: 1985 and 1998 USDA

Pounds of Carbon in Soil per Acre

Unit: lbs. C/ Thousands of Acres

Source: State Workbook: Methodologies for Estimating Greenhouse Gas Emissions Volume VIII, Chapter 6

Pounds of Carbon in Soil

Units: lbs. C

Source: Forested Land x Pounds of Carbon in Soil per Acre

Average Annual Flux

Units: tons/year

Source: (Tons of C in 1998-Tons of C in 1985)/ 13 years

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Greenhouse Gas Inventory for Rhode Island September 2000

Prepared by Brown University Center For Environmental Studies