Overall Taxon Cover Values are Automatically Calculated?
no
Stem Observation Area
400
m²
Stem Sample Method
Full census
Plot Quality Fields:
Effort Level
Accurate
Plot Validation Level
(2) classification plot: sufficient for inclusion in a classification revision
Floristic Quality
High
Overall Plot Vegetation Fields:
Basal Area
41.8267132993788
m²/ha
Tree Cover
50
%
Shrub Cover
30
%
Field Cover
90
%
Nonvascular Cover
60
%
Dominant Stratum
Tree
Misc Fields:
Observation Narrative
The habitat of this plot is a high elevation seep supporting wetland forest vegetation with distinct northern affinities. State rare plant species here include Alnus incana ssp. rugosa and Rhamnus alnifolia.
Plot location: Shenandoah National Park. Al
Very deep organic matter and organic rich muck. Underlying soil is unconsolidated gravel, sand and silt.
Mapped as colluvial land, extremely stony (1975 soil survey); sample collected.
Disturbance Data:
Disturbance Type
Disturbance Intensity
Disturbance Comment
Herbivory, invertebrate
Hemlock woolly adelgid
Herbivory, vertebrates
Other disturbances
Many blowdowns in area. Considerable damage to Tsuga by adelgid infestation.