Examining Arkansas’s growing timber surplus
Maintaining a balance between forest growth and harvests is vital to sustaining a healthy ecosystem. When the growth-to-drain ratio rises too high, forests become vulnerable to wildfires and insect outbreaks. Conversely, if the ratio is low, forests can be overharvested, threatening long-term timber supplies and compromising many of the ecosystem services that forests provide, including carbon storage and wildlife habitat.
Researchers with the Arkansas Forest Resources Center analyzed data across four of the state’s major ecoregions to determine how geography, forest type and land use affect this delicate balance between growth and removals. With forestry contributing an estimated $4 billion to Arkansas’s GDP and supporting over 26,000 jobs, understanding the growth-to-drain balance is key for both economic development and ecological stability.
The researchers found that the Mississippi Alluvial Plain had a much higher ratio than the South-Central Plains, where most of the state’s pine forests and wood-processing mills are located. Because some of Arkansas’s forests are growing faster than they are being harvested, these findings suggest a strong and sustainable timber supply. However, the high ratio also raises concerns about overstocked forests that can heighten risks of wildfire, pests and disease. This research offers critical insight for forest managers and policy makers in making future forest management decisions.
Arkansas Agricultural Experiment Station | Project supported by state appropriations; McIntire-Stennis capacity funds. Photo courtesy of University of Arkansas Division of Agriculture.
