Intensive 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
1000
m²
Plot Quality Fields:
Plot Validation Level
(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Tree Height
34.5
m
Field Height
1
m
Tree Cover
60
%
Shrub Cover
5
%
Field Cover
20
%
Misc Fields:
Observation Narrative
Composition of overstory, tapered bases of tree boles, and near absence of subcanopy and shrub strata suggest seasonal flooding, but the herb layer, soil profile, and absence of water marks on trees provide no evidence of recent inundation. Most downed boles are several years old, but scattered treefall occurred during recent high winds.
From flagged Quercus pagoda (59 cm dbh): 11.7 m at 297 deg to Stake A.
0 - 2 - dark brown, organic-rich clay
2 - 22 - light grayish brown clay with some mottling; density of lenses of oxidized material increases with depth
22 - 75 - very hard, dark brown, nearly pure clay, with scattered lenses of oxidized material
75 - 8
Disturbance Data:
Disturbance Type
Disturbance Intensity
Disturbance Comment
unknown
Hydrology may have been altered by ditches draining adjacent agricultural field
