Microclimatic Conditions After Reproduction Cutting in Shortleaf Pine Stands in the Ouachita Mountains

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Abstract

Automated weather stations collected microclimatic data over a 4.75-year period in six reproduction cutting treatments—a clearcut, two shelterwoods, a group selection, a single-tree selection, and an unmanaged control—in shortleaf pine stands in the Ouachita Mountains of west-central Arkansas. Treatment means for air temperature at 15 cm, soil temperature, solar radiation, and windspeed were greater for the clearcut than for the group selection, whereas air temperature at 2 m and vapor pressure deficit were markedly higher for the group selection treatment. A thermal inversion effect might be the cause. Retaining overstory hardwoods in the pine-hardwood shelterwood led to increased vapor pressure and soil moisture deficits vs. the pine shelterwood alone. Solar radiation in the single-tree selection was three times greater than in the unmanaged control. Foresters who employ natural regeneration to meet the landowner’s goals should be aware of important microclimatic attributes of reproduction cutting methods at their disposal.

  • Citation: Guldin, James M.; Barnett, James P. 2004. Microclimatic Conditions After Reproduction Cutting in Shortleaf Pine Stands in the Ouachita Mountains. Gen. Tech. Rep. SRS–71. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 92-98

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