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Notes: Coarse Root Biomass in Subalpine Balsam Fir Forests

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Abstract:

Coarse root (≥0.15 cm diameter) biomass was measured by excavation in a wave-regenerated balsam fir forest at 1,220 m elevation on Mt. Moosilauke, White Mountains, New Hampshire. Logarithmic regressions of root dry mass on trunk diameter showed high correlation coefficients for all size classes of roots. Stand root biomass, calculated from these regressions and stem inventory data, increased from <0.1 kg/m² in 10-yr-old stands to a maximum of ~2.7 kg/m² in 45-yr-old stands, then decreased to 0.5 kg/m² in 80-yr-old stands undergoing overstory mortality. Comparisons are made with root biomass data from low-elevation balsam fir stands and from Japanese wave-regenerated fir forests. Forest Sci. 31:952-956.

Keywords: Abies balsamea; root:shoot ratios; wave-regenerated forests

Document Type: Miscellaneous

Affiliations: Department of Botany, University of Wyoming, Laramie, WY 82071 USA (formerly with the Department of Biological Sciences, Dartmouth College, Hanover, NH 03755 USA)

Publication date: 1985-12-01

More about this publication?
  • 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.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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