Vegetative communities, Davis and Lavender Canyons, Paradox Basin, Utah: ecosystem studies

Technical Report · Fri Apr 01 04:00:00 EST 1983

OSTI ID:6173972

The major vegetative communities of Davis and Lavender canyons located in southeastern Utah are characterized. The report identifies potential secondary impacts and appropriate mitigation options. The Davis Canyon and Lavender Canyon Study Area contains nine major vegetative communities: galleta-shadscale, juniper-blackbrush, juniper-shadscale-ephedra, shadscale-ephedra, grayia-shadscale, juniper, drywash, greasewood, and riparian. The natural recovery times of these communities are exceedingly long. Natural reinvasion of various species would take from 15 to 100 years. No threatened or endangered plant species were identified in the study area. Davis and Lavender canyons have been subject to off-road vehicle activity and extensive grazing. The plant communities may be subject to additional impacts as a result of increased human activity and off-highway activities such as camping, hiking, and hunting could result in changes in cover, composition, and frequency of plant species. Mitigation options for potential impacts include shuttle-busing workers to the site from the highway and fencing site access roads to prevent vehicles from leaving the roads.

• Research Organization: Bechtel Group, Inc., San Francisco, CA (USA)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 6173972
• Report Number(s): ONWI-469; ON: DE83011112
• Country of Publication: United States
• Language: English

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