Patterns of Soil Moisture Depletion in a Mixed Oak Stand
Soil moisture regimes were studied under five white oak trees (Quercus alba L.) and five scarlet oak trees (Q. coccinea Muenchh.) in a mixed-oak stand. Locations under canopies (near trunk, mid-crown and crown-edge) were monitored with a neutron probe. Soil water losses for each location were calculated for the 1968 growing season, taking into consideration inputs of throughfall and stemflow. Although overall patterns of depletion and accretion were similar between species, significant differences in depletion existed at the 2.0 and 2.5 foot depths near tree trunks. Soil moisture depletion near tree trunks was greater under scarlet oaks than under white oaks. Similarly, seasonal water losses for locations near tree trunks were greater for scarlet oaks; losses averaged 24.2 inches for scarlet oaks and 18.4 inches for white oaks. This difference was due to a greater amount of estimated stemflow reaching soil under scarlet oaks. Forest Sci. 19:23-30.
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Document Type: Journal Article
Affiliations: Forester, City of Providence Water Supply Board, Providence, Rhode Island
Publication date: 1973-03-01
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- 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.
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