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085-BUFF-0007P
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:12786-{EE436B55-2F03-4552-AA06-876BB7B29A7C}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-BUFF-0007P
Author Observation Code ? 085-BUFF-0007P
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy ? 25 m
Confidentiality Status ? 100 km radius (nearest degree)
Latitude ? 37 º
Longitude ? -80 º
State or Province ? Virginia
Named Places
county: Floyd
region|state|province: Virginia
Layout Fields: 
DSG Polygon ? 5 x 20 m
Area ? 100
Permanence ? not permanent
Environment Fields: 
Elevation ? 1203 m
Slope Aspect ? 200 º
Slope Gradient ? 24 º
Topographic Position ? crest/interfluve
Landform ? bedrock outcrop
Hydrologic Regime ? terrestrial (upland)
Soil Moisture Regime ? xeric
Soil Drainage ? rapidly drained
Methods Fields: 
Observation Start Date ? 27-Jul-2000
Observation End Date ? 27-Jul-2000
Project ? Virginia Heritage
Cover Method ? Carolina Vegetation Survey
Stratum Method ? No Strata
Method Narrative ? 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
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
Field Height ? 1 m
Field Cover ? 20 %
Nonvascular Cover ? 75 %
Misc Fields: 
Observation Narrative ? Plot limited to 5 m in width to avoid well-traveled trail on summit and to make plot less readily apparent. This plot captures one of the best patches of sparsely vegetated pavement barren vegetation with Minuartia groenlandica, Paronychia argyrocoma, and Saxifraga michauxii. Tom Rawinski's plot BUFF101 sampled similar vegetation, but on the more extensive outcrops to the northwest. It is with some hesitation that plot is placed so close to a frequently traveled route, but there seems to be no preferable alternative on this heavily trampled summit, and at least this sheltered site is adjacent to an imposing and nearly impenetrable woodland of Quercus spp. and Rhododendron catawbiense. Soil in this stand is considerably more acidic, deficient in base cations, and abounding in aluminum than soils of lower elevations at Buffalo Mountain, which may reflect the effects of chronic acid precipitation.
Taxa occurring on this plot-observation
Change plant label:
Change Strata Shown:
ord Author Plant Name ?Original Interpretation, full Scientific Name ?Original Interpretation, Scientific Name without authors ?Original Interpretation, Common Name ?Original Interpretation, USDA Code ?Current Interpretation, full Scientific Name ?Current Interpretation, Scientific Name without authors ?Current Interpretation, Common Name ?Current Interpretation, USDA Code ? Stratum ?Cover ?Original Cover Code ?Basal Area ?Biomass ?Inference Area ? Stems: Stem Diameters (graphically):
1 Schizachyrium scoparium var. scoparium Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   -all-  
17.5 %
6       -none-
2 Paronychia argyrocoma Paronychia argyrocoma **   Paronychia argyrocoma **   Paronychia argyrocoma **   Paronychia argyrocoma **   Paronychia argyrocoma **   Paronychia argyrocoma **   Paronychia argyrocoma **   Paronychia argyrocoma **   -all-  
3.5 %
4       -none-
3 Danthonia spicata Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   -all-  
3.5 %
4       -none-
4 Minuartia groenlandica Minuartia groenlandica **   Minuartia groenlandica **   Minuartia groenlandica **   Minuartia groenlandica **   Minuartia groenlandica **   Minuartia groenlandica **   Minuartia groenlandica **   Minuartia groenlandica **   -all-  
3.5 %
4       -none-
5 Lechea racemulosa Lechea racemulosa **   Lechea racemulosa **   Lechea racemulosa **   Lechea racemulosa **   Lechea racemulosa **   Lechea racemulosa **   Lechea racemulosa **   Lechea racemulosa **   -all-  
1.5 %
3       -none-
6 Hydatica petiolaris Hydatica petiolaris **   Hydatica petiolaris **   Hydatica petiolaris **   Hydatica petiolaris **   Hydatica petiolaris **   Hydatica petiolaris **   Hydatica petiolaris **   Hydatica petiolaris **   -all-  
0.505 %
2       -none-
7 Sibbaldia tridentata Sibbaldia tridentata **   Sibbaldia tridentata **   Sibbaldia tridentata **   Sibbaldia tridentata **   Sibbaldia tridentata **   Sibbaldia tridentata **   Sibbaldia tridentata **   Sibbaldia tridentata **   -all-  
0.505 %
2       -none-
8 Kalmia latifolia Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   -all-  
0.505 %
2       -none-
9 Vaccinium pallidum Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   -all-  
0.505 %
2       -none-
10 Rubus flagellaris Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   -all-  
0.05 %
1       -none-
11 Dichanthelium columbianum Dichanthelium columbianum **   Dichanthelium columbianum **   Dichanthelium columbianum **   Dichanthelium columbianum **   Dichanthelium columbianum **   Dichanthelium columbianum **   Dichanthelium columbianum **   Dichanthelium columbianum **   -all-  
0.05 %
1       -none-
12 Rumex acetosella Rumex acetosella **   Rumex acetosella **   Rumex acetosella **   Rumex acetosella **   Rumex acetosella **   Rumex acetosella **   Rumex acetosella **   Rumex acetosella **   -all-  
0.05 %
1       -none-
13 Polygala sanguinea Polygala sanguinea **   Polygala sanguinea **   Polygala sanguinea **   Polygala sanguinea **   Polygala sanguinea **   Polygala sanguinea **   Polygala sanguinea **   Polygala sanguinea **   -all-  
0.05 %
1       -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Sorry, no Stratum Definitions found.
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Coulling, Philip Author
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 28-Feb-2001
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Minuartia groenlandica - Paronychia argyrocoma - Saxifraga michauxii Outcrop Barrens 5 High   no
No Class Contributors.


Soil Observations:
Soil Horizon ?Soil Depth Top ?Soil Depth Bottom ?Soil Color ?Soil Organic ?Soil Texture ?Soil Sand ?Soil Silt ?Soil Clay ?Soil Coarse ?Soil PH ?Exchange Capacity ?Base Saturation ?Soil Description ?
unknown       13.4300003051758 %           3.70000004768372 20.2299995422363 7.42000007629395 % Very dark brown, rocky, silty loam; soil apparently richer in organic matter than that collected in plot BUFF006P, which could be a function of extraction from a grass hummock


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Soil chemistry data (chiefly concentrations of base cations and Al) suggest chronic acidification of soil as a result of acid precipitation. Feral goats may formerly have constituted source of moderate disturbance.
unknown   acid precipitation?


User Defined Values
No User Defined Data for this plot