Aspen Bibliography

Soil Biological Activity in Recent Clearcuts in West-Central Alberta

Document Type

Article

Journal/Book Title/Conference

Canadian Journal of Soil Science

Volume

78

Issue

1

First Page

69

Last Page

76

Publication Date

1998

Abstract

Soil biota response to changes in the soil physical environment following forest harvesting is relatively unknown in boreal forests. Soil biological activity was measured at four sites with Luvisolic soil following clear-cut forest har- vesting. Aerobic respiration rate and cellulose decomposition in flooded soils were measured on soil samples collected from treat- ment plots subjected to tree removal only and tree removal associated with three levels of skidding activity immediately after clear-cut harvesting and after 1 and 2 yr. More than half of variation in respiration and cellulose decomposition rates was related to soil properties. Soil respiration rate increased significantly after 1 yr but was not affected by skidder traffic. Cellulose decom- position was highest in soil with air-filled porosity

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