releve Virginia Division of Natural Heritage, see http://www.dcr.virginia.gov/natural_heritage/documents/nh_plotform_instructions.pdf
Overall Taxon Cover Values are Automatically Calculated?
no
Stem Observation Area
100
m²
Plot Quality Fields:
Plot Validation Level
(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Shrub Height
4
m
Field Height
5
m
Shrub Cover
40
%
Field Cover
5
%
Nonvascular Cover
70
%
Misc Fields:
Observation Narrative
Plot documents a small occurrence of a high-elevation shrubland on exposed, NW-facing rocks just below Blackrock. Although some trampling by hikers has occurred, the composition of this stand is representative and herbaceous species continue to persist in crevices.
Scattered pockets of thin, dark brown silt loam in crevices and on ledges.
Disturbance Data:
Disturbance Type
Disturbance Intensity
Disturbance Comment
unknown
Located near both the Appalachian Trail and a trail to the summit of Blackrock. Visitors use this outcrop to travel between the two. Most of plot has suffered some trampling.