Distribution, life history, management, and current status of Astragalus beatleyae on the US Department of Energy's Nevada Test Site
A beatleyae is a small milk vetch found in south-central Nevada on portions of the Nevada Test Site (NTS) and Nellis Air Force Range. This species has been classified as a Category 1 candidate species for federal listing under the Endangered Species Act because of its limited range and threats from human activities, primarily activities conducted by the US Department of Energy, Nevada Field Office (DOE/NV). The status of A. beatleyae was last evaluated over 13 years ago (Rhoads et al., 1979, Beatley, 1978). Since then, numerous conservation measures have been taken by DOE/NV and additional information on the status of this population has been obtained. Field surveys have been conducted to locate new populations of A. beatleyae. Because of this work, the known range of this species has been expanded approximately 300%. DOE/NV has established. a conservation agreement with the US Fish and Wildlife Service and developed a Species Management Plan. This report is a presentation of the results of that population monitoring study. Also included in this report are a review of other field investigations and conservation measures taken by DOE/NV, a review of the current threats to A. beatleyae, and a reassessment of the status of this species under the Endangered Species Act.
- Research Organization:
- EG and G Energy Measurements, Inc., Goleta, CA (United States). Santa Barbara Operations
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC08-88NV10617
- OSTI ID:
- 6573645
- Report Number(s):
- EGG-10617-2187; ON: DE93007553
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
540210 -- Environment
Terrestrial-- Basic Studies-- (1990-)
540250* -- Environment
Terrestrial-- Site Resource & Use Studies-- (1990-)
ECOSYSTEMS
ENDANGERED SPECIES
GROWTH
NATIONAL ORGANIZATIONS
NEVADA TEST SITE
PLANT GROWTH
PLANTS
POPULATION DENSITY
REPRODUCTION
TERRESTRIAL ECOSYSTEMS
US DOE
US ORGANIZATIONS