| Popis: |
Before 1993, extant populations of Michaux S sumac (Rhus michauxil), a shrub federally listed as endangered, were known only from North Carolina and Georgia. In 1993, a large population of Rhus michauxii was found in the southern Piedmont of Virginia at the Fort Pickett Military Reservation in habitats subjected to ordnance- caused fires and soil disturbances within the Fort's Controlled Access Area (CAA). After the initial surveys in 1993, additional areas of Fort Pickett remained to be searched for Michaux's sumac, and in October 1994-March 1995 an extensive survey was conducted by the Virginia Department of Conservation and Recreation. Selected areas both inside and outside the CAA were searched. This survey resulted in the discovery of 74 colonies of Rhus michauxii, with 36 colonies containing 1,800+ stems outside of the CAA and 38 colonies containing 6,000+ stems within the CAA. Most of the colonies were found in habitats subjected to ordnance-caused disturbances, but some were found in disturbed habitats around old homesites, strengthening that association found previously by Fort Pickett personnel. |
