State Report for New Hampshire

For New Hampshire, estimated merchantable wood volume is expected to decrease from 12.458 billion cubic-feet to 12.394 billion (a change of -0.5%), while estimated sawlog wood volume is expected to increase from 6.9012 billion cubic-feet to 7.1015 billion (2.9%). Estimated merchantable bole biomass is expected to decrease from 207.11 million tons to 198.38 million (-4.2%), while estimated stump biomass is expected to decrease from 11.459 million tons to 10.762 million (-6.1%), and estimated tops and limbs biomass is expected to increase from 48.744 million tons to 76.358 million (56.7%). Finally, estimated aboveground biomass is expected to increase from 275.94 million tons to 295.2 million, a change of 7%.

Figure 1: Percent difference in volume and biomass for New Hampshire

Species breakdown

The top ten species in New Hampshire in terms of standing biomass are red maple, eastern white pine, northern red oak, eastern hemlock, sugar maple, yellow birch, red spruce, American beech, balsam fir, and paper birch. These species account for 88% of the total aboveground biomass and 89.4% of the total merchantable volume. For merchantable wood volume, the species with the smallest percent change was red spruce 1.2%, while the largest percent change was with eastern white pine 15.5%. For total aboveground biomass, the species with the smallest percent change was sugar maple -3.2%, while the largest percent change was with red spruce 35.3%. For sawlog wood volume, the species with the smallest percent change was northern red oak -4.2%, while the largest percent change was with eastern white pine 22.8%. For merchantable bole biomass, the species with the smallest percent change was red maple -3.3%, while the largest percent change was with American beech -18.1%. For stump wood and bark biomass, the species with the smallest percent change was eastern white pine 0.7%, while the largest percent change was with American beech -28%. For top and limb biomass, the species with the smallest percent change was yellow birch 11.2%, while the largest percent change was with balsam fir 173.2%.

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

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