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
400
m²
Plot Quality Fields:
Plot Validation Level
(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Tree Height
8
m
Shrub Height
5
m
Field Height
2
m
Tree Cover
7
%
Shrub Cover
35
%
Field Cover
20
%
Nonvascular Cover
65
%
Misc Fields:
Observation Narrative
Plot captures somewhat shrubby, prairie-like vegetation on the large bedrock terrace above the Potomac River just below Great Falls. Overall species richness and floristic diversity of the stand are impressive. The habitat is scoured by large floods with an average return interval of approximately 7 to 12 years.