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- Title
RESPONSE OF MOUNTAIN BIG SAGEBRUSH TO INDUCED SNOW ACCUMULATION.
- Authors
Sturges, David L.
- Abstract
(1) The effect of induced snow accumulation on mountain big sagebrush (Artemisia tridentata ssp. vaseyana) was investigated for four growing seasons after installation of a snow fence 38 m tall. (2) Sagebrush on the downwind side of the fence was eliminated by the third growing season after fencing, apparently because of the longer time the soil was saturated. Average snow depth increased from 1.5 m before fencing to 4.6 m after fencing, at a downwind distance equal to 3.2 times fence height. (3) The canopy cover of mountain big sagebrush located at upwind distances equal to 3.9, 13.2 and 18.4 limes fence height declined after fencing. The decline: was attributed to a snowmould, rather than to increased snow deposition. (4) A critical snow depth of 2.8 m for mountain big sagebrush survival was estimated from a natural sagebrush-herbaceous species ecotone.
- Subjects
BIG sagebrush; PLANT-snow relationships; SNOW fences; PLANT canopies; PLANT communities; ECOTONES
- Publication
Journal of Applied Ecology, 1989, Vol 26, Issue 3, p1035
- ISSN
0021-8901
- Publication type
Article
- DOI
10.2307/2403710