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Interception and Stemflow in a Pine Plantation

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The amount of precipitation reaching the ground under a canopy of vegetation is quite different from the amount recorded in rain-gages in standard exposures in the open. The difference results from interception by the crowns corrected for the amount that flows down the stems. For some purposes, interception is combined with evaporation and transpiration as the total loss of water not recoverable for use. When, however, as is frequently the case, a comparison of run-off or infiltration is to be made between areas with and without or of different vegetative covers, it is essential to know how much of the precipitation reaches the ground as a basis for the comparison. Furthermore, if it is desirable to know the interception, it becomes necessary to measure it with a sufficient number and adequate type of gages so that variations may be evaluated and a representative average figure obtained for an area of land as a whole. The attempt has been made in the following article to analyse the variations of interception and stemflow in relation to characteristics of stand and trees, and to apply the results to specific land areas.

Document Type: Journal Article

Affiliations: Department of Forestry, University of California

Publication date: 1941-06-01

More about this publication?
  • 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

    Also published by SAF:
    Forest Science
    Other SAF Publications
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