State Report for Tennessee

For Tennessee, estimated merchantable wood volume is expected to increase from 32.269 billion cubic-feet to 35.63 billion (a change of 10.4%), while estimated sawlog wood volume is expected to increase from 18.672 billion cubic-feet to 20.707 billion (10.9%). Estimated merchantable bole biomass is expected to increase from 607.54 million tons to 647.08 million (6.5%), while estimated stump biomass is expected to decrease from 34.996 million tons to 32.642 million (-6.7%), and estimated tops and limbs biomass is expected to increase from 142.72 million tons to 231.46 million (62.2%). Finally, estimated aboveground biomass is expected to increase from 835.65 million tons to 974.15 million, a change of 16.6%.

Figure 1: Percent difference in volume and biomass for Tennessee

Species breakdown

The top ten species in Tennessee in terms of standing biomass are white oak, chestnut oak, yellow- poplar, red maple, pignut hickory, sugar maple, scarlet oak, sweetgum, loblolly pine, and southern red oak. These species account for 56.6% of the total aboveground biomass and 57% of the total merchantable volume. For merchantable wood volume, the species with the smallest percent change was sweetgum 0.2%, while the largest percent change was with pignut hickory 23.8%. For total aboveground biomass, the species with the smallest percent change was loblolly pine 1.7%, while the largest percent change was with red maple 25.5%. For sawlog wood volume, the species with the smallest percent change was loblolly pine -0.6%, while the largest percent change was with pignut hickory 22.8%. For merchantable bole biomass, the species with the smallest percent change was loblolly pine -2.3%, while the largest percent change was with pignut hickory 17.9%. For stump wood and bark biomass, the species with the smallest percent change was sweetgum -3.2%, while the largest percent change was with southern red oak 30.5%. For top and limb biomass, the species with the smallest percent change was sweetgum -2.2%, while the largest percent change was with southern red oak 117.5%.

Figure 2: Percent difference in total aboveground biomass and merchantable volume for the top ten species in Tennessee

Figure 3: Percent difference in component biomass and volume for the top ten species in Tennessee