State Report for Michigan

For Michigan, estimated merchantable wood volume is expected to increase from 37.374 billion cubic-feet to 43.909 billion (a change of 17.5%), while estimated sawlog wood volume is expected to increase from 19.263 billion cubic-feet to 23.571 billion (22.4%). Estimated merchantable bole biomass is expected to increase from 608.67 million tons to 704.36 million (15.7%), while estimated stump biomass is expected to increase from 34.621 million tons to 36.073 million (4.2%), and estimated tops and limbs biomass is expected to increase from 148.39 million tons to 270.73 million (82.4%). Finally, estimated aboveground biomass is expected to increase from 821.57 million tons to 1050 million, a change of 27.8%.

Figure 1: Percent difference in volume and biomass for Michigan

Species breakdown

The top ten species in Michigan in terms of standing biomass are sugar maple, red maple, northern red oak, red pine, northern white- cedar, quaking aspen, eastern white pine, bigtooth aspen, black cherry, and white oak. These species account for 67.4% of the total aboveground biomass and 68.5% of the total merchantable volume. For merchantable wood volume, the species with the smallest percent change was eastern white pine 5.9%, while the largest percent change was with sugar maple 29.1%. For total aboveground biomass, the species with the smallest percent change was northern white- cedar 10.3%, while the largest percent change was with quaking aspen 44.9%. For sawlog wood volume, the species with the smallest percent change was northern white- cedar -10.4%, while the largest percent change was with sugar maple 37.7%. For merchantable bole biomass, the species with the smallest percent change was eastern white pine 1.1%, while the largest percent change was with quaking aspen 43.9%. For stump wood and bark biomass, the species with the smallest percent change was northern red oak 1.3%, while the largest percent change was with northern white- cedar 52.6%. For top and limb biomass, the species with the smallest percent change was bigtooth aspen 21.5%, while the largest percent change was with northern white- cedar 141%.

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

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