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Influences of livestock grazing on community structure, fire intensity, and normal fire frequency in the Douglas-fir/ninebark (Pseudotsuga menziesii/Physocarpus malvaceus) habitat type were studied at the University of Idaho's experimental forest in northern Idaho. Livestock grazing caused increased tree numbers, decreased production, cover, and frequency of major palatable grasses, and altered dominance of shrub and forb species. Grazing influences on community structure were increased accumulation of downed woody fuel in every size class, increased forest floor duff, and decreased herbaceous fuels. Livestock grazing influences were discussed in light of their significance in potential fire intensity and fire frequency in Douglas-fir forest communities.
Cataloging Information
- arthropods
- browse
- climax vegetation
- competition
- coniferous forests
- cover
- diameter classes
- distribution
- dominance (ecology)
- experimental areas
- fire danger rating
- fire frequency
- fire intensity
- fire suppression
- forage
- forbs
- forest management
- fuel accumulation
- fuel loading
- fuel types
- grazing
- ground cover
- habitat types
- herbaceous vegetation
- Idaho
- insects
- litter
- livestock
- logging
- low intensity burns
- mineral soils
- Physocarpus malvaceus
- Pinus ponderosa
- plant communities
- plant diseases
- plant growth
- population density
- Pseudotsuga menziesii
- range management
- rangelands
- regeneration
- shrubs
- size classes
- species diversity (plants)
- statistical analysis
- succession
- surface fires
- wildfires
- wildlife food plants
- woody fuels
This bibliographic record was either created or modified by Tall Timbers and is provided without charge to promote research and education in Fire Ecology. The E.V. Komarek Fire Ecology Database is the intellectual property of Tall Timbers.