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
Plot Quality Fields:
Plot Validation Level
(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Tree Height
33
m
Shrub Height
6
m
Field Height
5
m
Tree Cover
85
%
Shrub Cover
50
%
Field Cover
30
%
Nonvascular Cover
3
%
Misc Fields:
Observation Narrative
Directions to plot and tree tag:
N gate of fire road, Take Rocky Knob trial up little Rockcastle creek. Trail follows along creek. Look for broad, flat floodplain - witness tree is flagged, conduit is flagged. Conduit is near a small hemlock visible from the trail (slope on left of trail has two white walnuts). Next to seep head find a four-trunked sycamore. Tagged tree is a Platanus occidentalis of 134 cm dbh with tag # 496. Conduit is at a bearing of 180 degrees and 50 m from tree.
Plot location selected in the field by DNH Ecologists.
Flat floodplain between creek and old road bed, mostly sugar maple with tulip poplar. Probably cleared in past - coppice sycamore. Juglans outside plot. Seep runs through plot but mostly rarely flooded floodplain.