State Report for South Dakota

For South Dakota, estimated merchantable wood volume is expected to decrease from 2.1227 billion cubic-feet to 1.9443 billion (a change of -8.4%), while estimated sawlog wood volume is expected to decrease from 1.2722 billion cubic-feet to 1.2682 billion (-0.3%). Estimated merchantable bole biomass is expected to decrease from 32.311 million tons to 29.114 million (-9.9%), while estimated stump biomass is expected to increase from 1.6813 million tons to 1.7843 million (6.1%), and estimated tops and limbs biomass is expected to increase from 6.2561 million tons to 13.31 million (112.7%). Finally, estimated aboveground biomass is expected to increase from 41.584 million tons to 46.38 million, a change of 11.5%.

Figure 1: Percent difference in volume and biomass for South Dakota

Species breakdown

The top ten species in South Dakota in terms of standing biomass are ponderosa pine, bur oak, white spruce, green ash, eastern cottonwood, American elm, boxelder, eastern redcedar, Siberian elm, and quaking aspen. These species account for 97.1% of the total aboveground biomass and 98.3% of the total merchantable volume. For merchantable wood volume, the species with the smallest percent change was quaking aspen -0.6%, while the largest percent change was with boxelder -50.9%. For total aboveground biomass, the species with the smallest percent change was Siberian elm 3.4%, while the largest percent change was with white spruce 104%. For sawlog wood volume, the species with the smallest percent change was ponderosa pine -0.8%, while the largest percent change was with white spruce 32.5%. For merchantable bole biomass, the species with the smallest percent change was ponderosa pine -6.4%, while the largest percent change was with white spruce 82.7%. For stump wood and bark biomass, the species with the smallest percent change was ponderosa pine -1.1%, while the largest percent change was with American elm 69%. For top and limb biomass, the species with the smallest percent change was green ash -11.3%, while the largest percent change was with eastern redcedar 302.1%.

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

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