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Jan E. Gurr, Marcia Wicklow-Howard
Year Published:

Cataloging Information

Fire Effects
Ecological - Second Order
Sagebrush steppe

NRFSN number: 12154
FRAMES RCS number: 16383
Record updated:

Sagebrush is considered to be an obligate vesicular-arbuscular mycorrhizal plant. Some studies have shown that burning lowers the mycorrhizal inoculum potential (MIP) of the soil (Klopatek and others 1988, 1990; Wicklow-Howard 1989). If this happens, then sagebrush may take longer to reestablish after fire. A study was performed to investigate the relationship of vesicular-arbuscular mycorrhizae (V AM), Wyoming big sagebrush (Artemesia tridentata Nutt. var. wyomingensis [Beetle and Young]) and burned vs. unburned soils. The purpose of the study was to: 1. Investigate whether planting mycorrhizal inoculated sagebrush seedlings in burned soils would enhance reestablishment. 2. Monitor the mycorrhizal inoculum potential (MIP) of soils before and after a fire. 3. Compare mycorrhizal root colonization in wild sagebrush found growing in burned soil with that of wild sagebrush growing in unburned soil.


Gurr, Jan E.; Wicklow-Howard, Marcia. 1994. VA mycorrhizal status of burned and unburned sagebrush habitat. In: Monsen, Stephen B.; Kitchen, Stanley G., comps. Proceedings-ecology and management of annual rangelands; 1992 May 18-21; Boise, ID. Gen. Tech. Rep. INT-GTR-313. Ogden, UT: USDA Forest Service, Intermountain Research Station. p. 132-135.