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Effects of Pruning on Rainfall Interception in a Minnesota Red Pine Stand

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The effect of pruning on rainfall interception was determined by removing 50 percent of the live crown length from all Pinus resinosa Aik. trees in one of the paired plots in each of two replications. After treatment, 49 storms were measured for throughfall, only 28 of which produced measurable stemflow. Although treatment did not significantly affect seasonal throughfall or stemflow, an increase in the former was noticeable for small storms while a decrease in the latter was characteristic for larger storms. The throughfall increase ranged from 46 percent of the gross precipitation for storms between about .01 and .04 inch, to about 7 percent (possibly not significant) for storms between .16 and .77 inch. The stemflow decrease for storms between .77 and 3.81 inches averaged about 1.5 percent of the gross precipitation. Small increases in the net precipitation of small storms probably did not significantly affect soil moisture supplies.

Document Type: Journal Article

Affiliations: Instructor, School of Forestry, Univ. of Minn.

Publication date: December 1, 1963

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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