SHNP072
» Citation URL: http://vegbank.org/cite/VB.Ob.25532.SHNP072 » Citing info
Plot ID Fields:
Author Plot Code	SHNP072
Author Observation Code	SHNP072
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	38.835 º
Longitude	-78.1979666666667 º
Author Location	Low Gap
State or Province	Virginia
Country	United States
Named Places	area|country|territory: United States continent: North America region|state|province: Virginia county: Warren quadrangle: Chester Gap
Layout Fields:
Shape	Rectangular
Area	100 m²
Permanence	not permanent
Environment Fields:
Elevation	500 m
Slope Aspect	150 º
Slope Gradient	14 º
Topographic Position	Midslope
Rock Type	basalt
Homogeneity	homogeneous
Hydrologic Regime	Upland
Soil Moisture Regime	Xeric
Soil Drainage	excessively drained
Percent Bedrock	60 %
Percent Rock / Gravel	11 %
Percent Litter	25 %
Percent Bare Soil	4 %
Soil Taxon	ULTICHAPLUDALFS
Soil Taxon Source	USDA county soil survey
Methods Fields:
Observation Start Date	20-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	100 m²
Cover Dispersion	Entire
Overall Taxon Cover Values are Automatically Calculated?	no
Stem Observation Area	100 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	6.67470645904541 m²/ha
Tree Cover	15 %
Shrub Cover	15 %
Field Cover	30 %
Nonvascular Cover	40 %
Dominant Stratum	Tree
Misc Fields:
Observation Narrative	Much of the greenstone outcrop here is nearly flat lying, an unusual situation for this region where most bedrock exposures result from erosion of steep slopes. The plot encompasses two rather distinct micro-environments: a flatrock with local gravel pock

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 6m 17.5 % 6       -none- 2 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 3.5 % 4       -none- 3 Rhus aromatica Ait. var. aromatica Rhus aromatica Ait. var. aromatica Rhus aromatica var. aromatica fragrant sumac Rhus aromatica Ait. var. aromatica **   Rhus aromatica Ait. var. aromatica Rhus aromatica var. aromatica fragrant sumac Rhus aromatica Ait. var. aromatica **   shrub 7.5 % 5       -none- 4 Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   shrub 1.5 % 3       -none- 5 Crataegus intricata Lange Crataegus intricata Lange Crataegus intricata Copenhagen hawthorn Crataegus intricata Lange **   Crataegus intricata Lange Crataegus intricata Copenhagen hawthorn Crataegus intricata Lange **   shrub 1.5 % 3       -none- 6 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   shrub 1.5 % 3       -none- 7 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 **   woody seedlings 0.55 % 2       -none- 8 Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   woody seedlings 0.55 % 2       -none- 9 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 0.55 % 2       -none- 10 Celtis occidentalis L. Celtis occidentalis L. Celtis occidentalis common hackberry Celtis occidentalis L. **   Celtis occidentalis L. Celtis occidentalis common hackberry Celtis occidentalis L. **   woody seedlings 0.55 % 2       -none- 11 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 0.55 % 2       -none- 12 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-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type Stratum Base Stratum Height Stratum Cover tree 35m 35 m     shrub 0.5 m 6 m 17.5 % tree 20m 20 m 35 m   tree 10m 10 m 20 m   tree 6m 6 m 10 m 17.5 % woody seedlings 0 m 0.5 m 0.55 % Herb 0 m   30 %
This table is SORTABLE. Click the headers to sort ascending and descending.