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Notes: The Effects of Spring, Summer, and Fall Burning on Gambel Oak in a Southwestern Ponderosa Pine Stand

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Abstract:

Gambel oak is frequently found as a highly competitive understory species in southwestern ponderosa pine stands. Prescribed fires were conducted in the spring, summer, and fall on a ponderosa pine-Gambel oak site to test the potential for oak control at various times of the year. One-half of the plots were burned only once, while the rest were burned a second time, 2 years later. One burn generally resulted in large (100-150 percent) oak density and (10-40 percent) frequency increases, and only temporary cover decreases. A second burn in either the spring or fall failed to reduce the large number of oak sprouts. In contrast, a second midsummer burn resulted in reductions of 20 percent density, 16 percent frequency, and 12 percent cover. This should reduce the competitive status of the oak, favoring pine growth and natural pine regeneration. Forest Sci. 31:156-163.

Keywords: Pinus ponderosa; Quercus gambelii; prescribed fire; sprouting

Document Type: Miscellaneous

Affiliations: Research Forester at Rocky Mountain Forest and Range Experiment Station, USDA Forest Service, Forestry Sciences Laboratory, Northern Arizona University, Flagstaff, AZ 86001

Publication date: March 1, 1985

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.
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