Established in 1951, the Henry R. Koen Experimental Forest (Koen) located in northern Arkansas is covered mostly in oak-hickory upland hardwood forest and oak-pine stands. Named for Henry R. Koen, forest supervisor of the Ozark National Forest in the first half of the 20thcentury, the experimental forest was established to develop scientific principles for forest management. At 720 acres, the Koen is the smallest of the 19 experimental forests managed by Southern Research Station (SRS).
Climate - The average winter temperature is 4.4 °C; the average summer temperature, 27 °C. The average annual snowfall is 127 mm and the average annual rainfall is 1,143 mm.
Soils - Soils in the Arkana-Moko complex are moderately deep (Arkana soils = Alfisols) to shallow (Moko soils = Mollisols) and well-drained.
Vegetation - oak-hickory upland hardwood forest.
Research - established in 1951
For more information click here.