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Comments on the General Application of Gehrhardt's Formula for Approach Toward Normality

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The impetus which has been given to forest surveys, local and national, during recent years has brought into the limelight many mensuration problems connected with the timber inventory. Of these problems, one, in particular, has long been the concern of those interested in forest measurement: how should normal-yield tables be used to predict the growth of abnormally stocked stands? It has been recognized that under-stocked stands, through relatively faster growth, tend to approach the fully stocked, or normal, condition; but the dearth of information on the magnitude of this approach has led to much uncertainty in the application of normal-yield tables to the run of growth problems. This paper discusses a method widely employed in Europe for allowing for approach toward normality--showing that this method may well be applicable to American conditions, and paving the way toward greater usefulness of our normal-yield tables.

Document Type: Journal Article

Affiliations: Lake States Forest Experiment Station

Publication date: 1938-06-01

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  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

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