CGRG Bibliography of Canadian Geomorphology
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Author : Bulmer, C.E.; Schmidt, M.G.; Krzic, M.; and Blouin, V.
Date : 2006.
Title : Soil mechanical resistance and water content in British Columbia’s forest soils.
Publication : Annual Scientific Meeting of the Canadian Geophysical Meeting, May 14-17, 2006. Banff Centre, Banff, Alberta. Abstracts Volume.
Issue :
Page(s) : 21-22.
Abstract
Soil mechanical resistance is a key physical property affecting the growth of plants. Soil mechanical resistance is highly dependant on both soil bulk density and soil water content. Over a five year period, we used a hand pushed penetrometer to determine soil mechanical resistance on disturbed and undisturbed sites in a range of forested ecosystems throughout British Columbia. Measurements were collected at various times during the growing season, and were accompanied by measurements of volumetric soil water content using a frequency domain reflectometer. Consistent patterns of increasing soil mechanical resistance with decreasing water were observed. As soils dried out during the growing season, mechanical resistance increased. In most cases, the soil mechanical resistance was greater for sites that had experienced compaction. This presentation will describe how mechanical resistance and water content varied and how the results could be used for evaluating soil disturbance and forest productivity of disturbed sites.
Bibliography of Canadian Geomorphology