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Above- and Belowground Dry Matter Accumulation Pattern Derived from Dimensional Biomass Relationships

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A model of dry matter accumulation pattern is derived from above- and belowground dimensional biomass relationships as a function of basal diameter growth and total height increment. Without loss of generality, the model is illustrated utilizing previous results of analyses with eight years of growth records from precompetitive red pine (Pinus resinosa, Alt.) plantations in northern Michigan. Model behavior corresponds with previous knowledge concerning the seasonal patterns of dry matter accumulation in conifers and with the response of plant allocation patterns to temperature and moisture stress. Changes in accumulation fraction as a function of tree size also agree with previous observations. This model can be developed using existing above- and belowground dimensional biomass equations and functions describing the seasonal growth of diameter and height. The range of its applicability depends on the ranges of applicability of the component equations. Unification of this "mensurational" approach to modeling dry matter accumulation with previous functional balance methods can be achieved by placing appropriate constraints on model components. For. Sci. 42(2):236-241.

Keywords: Shoot:root ratio; carbon allocation; dry matter partitioning

Document Type: Journal Article

Affiliations: School of Forestry and Wood Products, 1400 Townsend Drive, Michigan Technological University, Houghton, MI 49931

Publication date: 1996-05-01

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

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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