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- Tahoe Draba (Draba asterophora var. asterophora)
- Tahoe Draba
- Action
- Program
- Each Unit (number)
- VP20: Maintain a minimum of 5 Draba asterophora v. asterophora macrocarpa population sites.
- The number of population sites that are maintained as suitable habitat for sensitive plant species (as determined by a qualified expert).
- This Indicator is reported in the following LT Info areas:
A population is generally defined as occuring at least 1 km from another population, and a subpopulation is defined as a descrete occurence within 1 km of other subpopulations. This chart shows subpopulation counts for each year there was a survey. The standard is to maintain a minimum of five Draba asterophora v. asterophora macrocarpa population sites.
Data provided by the U.S. Forest Service
| Name | Options |
|---|---|
| Tahoe Draba - Draba Asterophora V. Asterophora |
General
|
Program Tahoe Draba (Draba asterophora va. asterphora) Monitoring
Approach
U.S. Forest Service monitoring of Tahoe draba began in 2004 when plants were located and counted at 22 subpopulation sites (Engelhardt and Gross 2013). An additional 3 sites were added in a limited survey in 2005. All sites were re-surveyed in 2009 and 9 new sites were added. In 2013 six sites were revisited and one new site was discovered, and in 2014 14 sites were revisited. All known subpopulations are censused by LTBMU staff every 5 years at a minimum. A comprehensive long-term monitoring program for Tahoe draba was initiated in 2009 when plots were installed at seven subpopulation sites within three LTBMU populations (Engelhardt and Gross 2011a). Monitoring plots were established at three subpopulations within two populations (Relay Peak and Mt. Rose Ski Area) on the Humboldt-Toiyabe National Forest in 2011. Monitoring occurred two years after plot establishment to collect baseline data, and will occur every 3 to 5 years until the species is no longer considered sensitive.
Partners
Associated Programs data not provided.