State Report for Oklahoma

For Oklahoma, estimated merchantable wood volume is expected to increase from 9.7504 billion cubic-feet to 10.205 billion (a change of 4.7%), while estimated sawlog wood volume is expected to increase from 3.4949 billion cubic-feet to 3.598 billion (2.9%). Estimated merchantable bole biomass is expected to increase from 189.24 million tons to 193.68 million (2.3%), while estimated stump biomass is expected to increase from 12.251 million tons to 15.889 million (29.7%), and estimated tops and limbs biomass is expected to increase from 46.71 million tons to 104.3 million (123.3%). Finally, estimated aboveground biomass is expected to increase from 284.31 million tons to 353.9 million, a change of 24.5%.

Figure 1: Percent difference in volume and biomass for Oklahoma

Species breakdown

The top ten species in Oklahoma in terms of standing biomass are post oak, shortleaf pine, loblolly pine, black oak, blackjack oak, eastern redcedar, pecan, American elm, winged elm, and black hickory. These species account for 66.8% of the total aboveground biomass and 65.6% of the total merchantable volume. For merchantable wood volume, the species with the smallest percent change was winged elm 0.9%, while the largest percent change was with black oak 17%. For total aboveground biomass, the species with the smallest percent change was loblolly pine 0.4%, while the largest percent change was with American elm 47.9%. For sawlog wood volume, the species with the smallest percent change was pecan -1%, while the largest percent change was with black oak 16.6%. For merchantable bole biomass, the species with the smallest percent change was post oak -0.5%, while the largest percent change was with American elm 22.8%. For stump wood and bark biomass, the species with the smallest percent change was winged elm 4.1%, while the largest percent change was with blackjack oak 98.7%. For top and limb biomass, the species with the smallest percent change was loblolly pine 59.1%, while the largest percent change was with eastern redcedar 292.4%.

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

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