Effects of forest fire and logging on forest degradation in Mongolia

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  • Authors: Park, Yeong Dae; Lee, Don Koo; Tsogtbaatar, Jamsran; Stanturf, John A.
  • Publication Year: 2010
  • Publication Series: General Technical Report (GTR)
  • Source: In: Stanturf, John A., ed. 2010. Proceedings of the 14th biennial southern silvicultural research conference. Gen. Tech. Rep. SRS–121. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 571-575.

Abstract

Forests in Mongolia have been severely degraded by forest fire and exploitive logging. This study investigate changes in vegetation and soil properties after forest fire or clearfelling. Microclimate conditions such as temperature and relative humidity (RH) changed drastically after forest fire or logging; temperature increased 1.6-1.7 ºC on average, whereas RH decreased up to 15.7 percent after logging. Thus, burned and logged stands became drier and it mainly affected understory species composition such as the succession of steppe xerophytes from taiga and meadow mesophytes. Soil moisture significantly decreased after forest fire or logging, and the extent of decrease was more severe in the logged stand. The chemical properties of the organic layer were significantly changed, more so than the properties of the mineral soil horizons.

  • Citation: Park, Yeong Dae; Lee, Don Koo; Tsogtbaatar, Jamsran; Stanturf, John A. 2010. Effects of forest fire and logging on forest degradation in Mongolia. In: Stanturf, John A., ed. 2010. Proceedings of the 14th biennial southern silvicultural research conference. Gen. Tech. Rep. SRS–121. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 571-575.
  • Posted Date: August 18, 2010
  • Modified Date: July 16, 2012

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