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The relationship between forest floor depth and bulk density was examined for purposes of estimating fuel loading and consumption in forests dominated by the coast redwood (Sequoia sempervirens [D. Don] Endl.). Data were obtained from 47 samples at 2 sites. Samples of forest floor varied from 2 to 10 cm deep. For each sample, organic material was excavated in 1 cm strata within a 20 x 20 cm frame. Multiple regression analysis indicated that bulk density increased with strata depth, although a given stratum had lower bulk density in deeper profiles (P = 0.05). In practical terms, these variations have a small effect on the accuracy of estimates of forest floor consumption derived using the constant mean bulk density. For. Sci. 39(3): 617-622.
Department of Forestry and Resource Management, 145 Mulford Hall, University of California, Berkeley, CA 94720
Publication date: August 1, 1993
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Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.