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This article in SSSAJ

  1. Vol. 49 No. 5, p. 1280-1282
     
    Received: Dec 14, 1984
    Published: Sept, 1985


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doi:10.2136/sssaj1985.03615995004900050042x

Effects of Tractor Logging on Soils and Vegetation in Eastern Oregon1

  1. Michael D. Snider and
  2. Richard F. Miller2

Abstract

Abstract

Soil characteristics were investigated on a mixed conifer forest stand in Oregon's Blue Mountains. The most recent logging had occurred on the site 6 yr previously; 1 yr after harvest, slash was machine-piled and burned. Five classes of ground disturbance including a control were identified, based on degree of soil and ground cover disruption. Bulk density of the disturbed classes was not significantly different from control areas. Infiltration and saturated hydraulic conductivity rates on both disturbed and control areas were high relative to projected storm intensities. Soil organic matter content in the upper 3 cm of disturbed areas was markedly below that of control areas. Understory vegetation production on seeded skid trails was 66% above that of control areas; however, below ground biomass of control areas, vegetated with native rhizomatous species, was three times that of skid trails.

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