SHNP074
» Citation URL: http://vegbank.org/cite/VB.Ob.25534.SHNP074 » Citing info
Plot ID Fields:
Author Plot Code	SHNP074
Author Observation Code	SHNP074
Original Data Location	Virginia Natural Heritage Program, Richmond
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	25 m
Confidentiality Status	NOT IMPLEMENTED: public embargo
Latitude	38.7568555555556 º
Longitude	-78.2154277777778 º
Author Location	Big Devils Stairs
State or Province	Virginia
Country	United States
Named Places	area|country|territory: United States county: Rappahannock continent: North America region|state|province: Virginia quadrangle: Chester Gap
Layout Fields:
Shape	Rectangular
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	579 m
Slope Aspect	170 º
Slope Gradient	35 º
Topographic Position	Midslope
Rock Type	basalt
Hydrologic Regime	Upland
Soil Moisture Regime	Subxeric
Soil Drainage	well drained
Percent Bedrock	35 %
Percent Rock / Gravel	12 %
Percent Litter	50 %
Percent Bare Soil	3 %
Soil Taxon Source	USDA county soil survey
Methods Fields:
Observation Start Date	30-Sep-1999 ± exact
Date Accuracy	exact
Project	Shenandoah National Park
Cover Method	Virginia Heritage Cover Method
Stratum Method	VA-Heritage Strata
Stem Size Limit	2.5 cm
Taxon Observation Area	400 m²
Cover Dispersion	Entire
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	8.23189558088779 m²/ha
Tree Cover	30 %
Shrub Cover	50 %
Field Cover	50 %
Nonvascular Cover	25 %
Dominant Stratum	Tree
Misc Fields:
Observation Narrative	The clifftop habitats contain some internal heterogeneity, but such conditions are typical on and around large rock outcrops. About a third of the plot area is situated on a steeply sloping area with relatively deep (but extremely stony) soils; another th

Taxa occurring on this plot-observation
Change plant label: --Choose a value-- Author's plant name Original Interpretation, full Scientific Name Original Interpretation, Scientific Name without authors Original Interpretation, USDA Code Original Interpretation, Common Name Current Interpretation, full Scientific Name Current Interpretation, Scientific Name without authors Current Interpretation, USDA Code Current Interpretation, Common Name
Change Strata Shown: --choose one-- show strata show overall cover show strata + overall
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 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   tree 10m 17.5 % 6       -none- 2 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   tree 6m 17.5 % 6       -none- 3 Carya glabra (P. Mill.) Sweet Carya glabra (P. Mill.) Sweet Carya glabra pignut hickory Carya glabra (P. Mill.) Sweet **   Carya glabra (P. Mill.) Sweet Carya glabra pignut hickory Carya glabra (P. Mill.) Sweet **   tree 6m 1.5 % 3       -none- 4 Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   tree 6m 1.5 % 3       -none- 5 Carya ovalis (Wangenh.) Sarg. Carya ovalis (Wangenh.) Sarg. Carya ovalis red hickory Carya ovalis (Wangenh.) Sarg. **   Carya ovalis (Wangenh.) Sarg. Carya ovalis red hickory Carya ovalis (Wangenh.) Sarg. **   tree 6m 1.5 % 3       -none- 6 Pinus virginiana P. Mill. Pinus virginiana P. Mill. Pinus virginiana Virginia pine Pinus virginiana P. Mill. **   Pinus virginiana P. Mill. Pinus virginiana Virginia pine Pinus virginiana P. Mill. **   tree 6m 1.5 % 3       -none- 7 Quercus montana Willd. Quercus montana Willd. Quercus montana Quercus montana Willd. **   Quercus montana Willd. **   Quercus montana Willd. Quercus montana Quercus montana Willd. **   Quercus montana Willd. **   tree 6m 1.5 % 3       -none- 8 Ulmus rubra Muhl. Ulmus rubra Muhl. Ulmus rubra slippery elm Ulmus rubra Muhl. **   Ulmus rubra Muhl. Ulmus rubra slippery elm Ulmus rubra Muhl. **   tree 6m 0.55 % 2       -none- 9 Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   shrub 17.5 % 6       -none- 10 Vitis aestivalis Michx. var. bicolor Deam Vitis aestivalis Michx. var. bicolor Deam Vitis aestivalis var. bicolor summer grape Vitis aestivalis Michx. var. bicolor Deam **   Vitis aestivalis Michx. var. bicolor Deam Vitis aestivalis var. bicolor summer grape Vitis aestivalis Michx. var. bicolor Deam **   shrub 3.5 % 4       -none- 11 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   shrub 3.5 % 4       -none- 12 Cercis canadensis L. var. canadensis Cercis canadensis L. var. canadensis Cercis canadensis var. canadensis eastern redbud Cercis canadensis L. var. canadensis **   Cercis canadensis L. var. canadensis Cercis canadensis var. canadensis eastern redbud Cercis canadensis L. var. canadensis **   shrub 3.5 % 4       -none- 13 Carya glabra (P. Mill.) Sweet Carya glabra (P. Mill.) Sweet Carya glabra pignut hickory Carya glabra (P. Mill.) Sweet **   Carya glabra (P. Mill.) Sweet Carya glabra pignut hickory Carya glabra (P. Mill.) Sweet **   shrub 1.5 % 3       -none- 14 Ulmus rubra Muhl. Ulmus rubra Muhl. Ulmus rubra slippery elm Ulmus rubra Muhl. **   Ulmus rubra Muhl. Ulmus rubra slippery elm Ulmus rubra Muhl. **   shrub 1.5 % 3       -none- 15 Physocarpus opulifolius (L.) Maxim. var. opulifolius Physocarpus opulifolius (L.) Maxim. var. opulifolius Physocarpus opulifolius var. opulifolius common ninebark Physocarpus opulifolius (L.) Maxim. var. opulifolius **   Physocarpus opulifolius (L.) Maxim. var. opulifolius Physocarpus opulifolius var. opulifolius common ninebark Physocarpus opulifolius (L.) Maxim. var. opulifolius **   shrub 1.5 % 3       -none- 16 Smilax rotundifolia L. Smilax rotundifolia L. Smilax rotundifolia roundleaf greenbrier Smilax rotundifolia L. **   Smilax rotundifolia L. Smilax rotundifolia roundleaf greenbrier Smilax rotundifolia L. **   shrub 1.5 % 3       -none- 17 Chionanthus virginicus L. Chionanthus virginicus L. Chionanthus virginicus white fringetree Chionanthus virginicus L. **   Chionanthus virginicus L. Chionanthus virginicus white fringetree Chionanthus virginicus L. **   shrub 1.5 % 3       -none- 18 Quercus montana Willd. Quercus montana Willd. Quercus montana Quercus montana Willd. **   Quercus montana Willd. **   Quercus montana Willd. Quercus montana Quercus montana Willd. **   Quercus montana Willd. **   shrub 1.5 % 3       -none- 19 Robinia pseudoacacia L. Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   shrub 0.55 % 2       -none- 20 Celtis occidentalis L. Celtis occidentalis L. Celtis occidentalis common hackberry Celtis occidentalis L. **   Celtis occidentalis L. Celtis occidentalis common hackberry Celtis occidentalis L. **   shrub 0.55 % 2       -none- 21 Pinus virginiana P. Mill. Pinus virginiana P. Mill. Pinus virginiana Virginia pine Pinus virginiana P. Mill. **   Pinus virginiana P. Mill. Pinus virginiana Virginia pine Pinus virginiana P. Mill. **   shrub 0.55 % 2       -none- 22 Rubus occidentalis L. Rubus occidentalis L. Rubus occidentalis black raspberry Rubus occidentalis L. **   Rubus occidentalis L. Rubus occidentalis black raspberry Rubus occidentalis L. **   shrub 0.55 % 2       -none- 23 Rosa carolina L. Rosa carolina L. Rosa carolina Carolina rose Rosa carolina L. **   Rosa carolina L. Rosa carolina Carolina rose Rosa carolina L. **   shrub 0.55 % 2       -none- 24 Rhus typhina L. Rhus typhina L. Rhus typhina Rhus typhina L. **   Rhus typhina L. **   Rhus typhina L. Rhus typhina Rhus typhina L. **   Rhus typhina L. **   shrub 0.55 % 2       -none- 25 Rosa carolina L. Rosa carolina L. Rosa carolina Carolina rose Rosa carolina L. **   Rosa carolina L. Rosa carolina Carolina rose Rosa carolina L. **   woody seedlings 7.5 % 5       -none- 26 Parthenocissus quinquefolia (L.) Planch. Parthenocissus quinquefolia (L.) Planch. Parthenocissus quinquefolia Virginia creeper Parthenocissus quinquefolia (L.) Planch. **   Parthenocissus quinquefolia (L.) Planch. Parthenocissus quinquefolia Virginia creeper Parthenocissus quinquefolia (L.) Planch. **   woody seedlings 1.5 % 3       -none- 27 Vaccinium pallidum Ait. Vaccinium pallidum Ait. Vaccinium pallidum Blue Ridge blueberry Vaccinium pallidum Ait. **   Vaccinium pallidum Ait. Vaccinium pallidum Blue Ridge blueberry Vaccinium pallidum Ait. **   woody seedlings 1.5 % 3       -none- 28 Robinia pseudoacacia L. Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   woody seedlings 0.55 % 2       -none- 29 Smilax rotundifolia L. Smilax rotundifolia L. Smilax rotundifolia roundleaf greenbrier Smilax rotundifolia L. **   Smilax rotundifolia L. Smilax rotundifolia roundleaf greenbrier Smilax rotundifolia L. **   woody seedlings 0.55 % 2       -none- 30 Rubus allegheniensis Porter var. allegheniensis Rubus allegheniensis Porter var. allegheniensis Rubus allegheniensis var. allegheniensis Allegheny blackberry Rubus allegheniensis Porter var. allegheniensis **   Rubus allegheniensis Porter var. allegheniensis Rubus allegheniensis var. allegheniensis Allegheny blackberry Rubus allegheniensis Porter var. allegheniensis **   woody seedlings 0.55 % 2       -none- 31 Crataegus intricata Lange Crataegus intricata Lange Crataegus intricata Copenhagen hawthorn Crataegus intricata Lange **   Crataegus intricata Lange Crataegus intricata Copenhagen hawthorn Crataegus intricata Lange **   woody seedlings 0.55 % 2       -none- 32 Rubus occidentalis L. Rubus occidentalis L. Rubus occidentalis black raspberry Rubus occidentalis L. **   Rubus occidentalis L. Rubus occidentalis black raspberry Rubus occidentalis L. **   woody seedlings 0.55 % 2       -none- 33 Rhus typhina L. Rhus typhina L. Rhus typhina Rhus typhina L. **   Rhus typhina L. **   Rhus typhina L. Rhus typhina Rhus typhina L. **   Rhus typhina L. **   woody seedlings 0.55 % 2       -none- 34 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   woody seedlings 0.55 % 2       -none- 35 Quercus montana Willd. Quercus montana Willd. Quercus montana Quercus montana Willd. **   Quercus montana Willd. **   Quercus montana Willd. Quercus montana Quercus montana Willd. **   Quercus montana Willd. **   woody seedlings 0.55 % 2       -none- 36 Amelanchier arborea (Michx. f.) Fern. Amelanchier arborea (Michx. f.) Fern. Amelanchier arborea common serviceberry Amelanchier arborea (Michx. f.) Fern. **   Amelanchier arborea (Michx. f.) Fern. Amelanchier arborea common serviceberry Amelanchier arborea (Michx. f.) Fern. **   woody seedlings 0.05 % 1       -none-
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Stratum Definitions:
Stratum Type Stratum Base Stratum Height Stratum Cover tree 35m 35 m     shrub 0.5 m 6 m 37.5 % tree 20m 20 m 35 m   tree 10m 10 m 20 m 17.5 % tree 6m 6 m 10 m 37.5 % woody seedlings 0 m 0.5 m 17.5 % Herb 0 m   50 %
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