Notes: Soil Nitrogen Changes Associated with Slash Pile Burning in Pinyon-Juniper Woodlands

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Abstract:

A combination of a time sequence and an experimental approach, both with repeated measurements, was used to determine the effects of slash pile burning in a pinyon-juniper woodland. Results showed that burning caused mediate increases (approximately 50-fold) in soil ammonium concentrations. Nitrate concentrations were not immediately affected; however, by one year after burning, nitrate concentrations were approximately 20 times higher where piles had been burned than in unburned controls. These increases in inorganic nitrogen disappeared by year 5 after burning. Such a combination of repeated measures with both a time sequence approach and an experimental approach offer a procedure for rapidly estimating long-term response functions in forest research. For. Sci. 37(1):347-355.

Keywords: Ammonium; fire effects; nitrate; response function methodology

Document Type: Miscellaneous

Affiliations: Research Assistant, Bilby Research Center, Northern Arizona University, Flagstaff, Arizona 86011

Publication date: March 1, 1991

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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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