The Impact of Timber Harvesting on Soil Properties and Seedling Growth in the South

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Abstract
Mechanization of timber harvesting operations in the South has increased concern about the detrimental impact that heavy machine traffic has on soil physical properties and site productivity. Improperly timed harvesting operations have potentially detrimental effects on forest soils and the growth of seedlings Foresters and other land managers must be aware of the potential soil disturbance caused by heavy machines, and apply methods that minimize long-term site quality degradation attributable, directly or indirectly, to mechanized equipment. Research literature about the effects of timber harvesting on soil properties and seedling growth is summarized. Various types of harvesting equipment commonly used in the South are examined and the degrees of soil disturbance and compaction associated with each system are compared Changes in soil physical properties resulting from compaction are also reviewed as they relate to the establishment and growth of seedlings. Recommendations are made to minimize the detrimental effects of machine traffic on forest soils. South. J. Appl. For. 12(1):58-67

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