085-AUGU-0012
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:12584-{BECB8452-65DD-418F-B79F-5AACA4A4B6D7} » Citing info
Plot ID Fields:
Author Plot Code	085-AUGU-0012
Author Observation Code	085-AUGU-0012
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	25 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	38 º
Longitude	-79 º
State or Province	Virginia
Named Places	county: Augusta region|state|province: Virginia
Layout Fields:
DSG Polygon	20 x 20 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	412 m
Slope Aspect	(n/a, flat) º
Slope Gradient	0 º
Topographic Position	basin/depression
Landform	fan piedmont
Hydrologic Regime	non-tidal - seasonally flooded
Soil Moisture Regime	hygric
Soil Drainage	poorly drained
Methods Fields:
Observation Start Date	08-Sep-2005
Observation End Date	08-Sep-2005
Project	Virginia Heritage
Cover Method	Carolina Vegetation Survey
Stratum Method	No Strata
Stem Size Limit	2.5 cm
Method Narrative	releve 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	400 m²
Plot Quality Fields:
Plot Validation Level	(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Tree Height	30 m
Shrub Height	4 m
Field Height	75 m
Tree Cover	80 %
Shrub Cover	30 %
Field Cover	80 %
Nonvascular Cover	90 %
Misc Fields:
Observation Narrative	This plot is located in a moderately large Shenandoah Valley sinkhole pond. The pond has three distinct environmental/vegetation zones: 1) open, deeply flooded center exclusively occupied by Nuphar advena; 2) slightly shallower margin dominated by Cephalanthus occidentalis and coarse graminoids; and 3) forested outer zone dominated by Acer rubrum, Nyssa sylvatica, Quercus palustris, and Carex barrattii. The plot captures vegetation of zone #3. Organic-rich soils are covered by deep Sphagnum. The habitat was flooded until early July. Very similar vegetation occurs near Horseshoe Swamp at Maple Flats, Augusta Co.

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 (no strata on this plot) 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 Carex barrattii Carex barrattii **   Carex barrattii **   Carex barrattii **   Carex barrattii **   Carex barrattii **   Carex barrattii **   Carex barrattii **   Carex barrattii **   -all-   62.5 % 8       -none- 2 Acer rubrum Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     3 stem(s) 7.5 cm ± 2.5 cm     4 stem(s) 12.5 cm ± 2.5 cm     3 stem(s) 17.5 cm ± 2.5 cm     1 stem(s) 22.5 cm ± 2.5 cm     4 stem(s) 32.5 cm ± 2.5 cm     1 stem(s) 37.5 cm ± 2.5 cm     1 stem(s) 55.5 cm ± 0.5 cm     1 stem(s) 62.5 cm ± 0.5 cm     1 stem(s) 3 Woodwardia virginica Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   -all-   17.5 % 6       -none- 4 Nyssa sylvatica Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     5 stem(s) 7.5 cm ± 2.5 cm     6 stem(s) 12.5 cm ± 2.5 cm     1 stem(s) 22.5 cm ± 2.5 cm     3 stem(s) 5 Quercus palustris Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 7.5 cm ± 2.5 cm     2 stem(s) 12.5 cm ± 2.5 cm     3 stem(s) 17.5 cm ± 2.5 cm     2 stem(s) 27.5 cm ± 2.5 cm     2 stem(s) 6 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -all-   3.5 % 4       -none- 7 Vaccinium corymbosum Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   -all-   3.5 % 4       -none- 8 Ilex verticillata Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   -all-   0.505 % 2       -none- 9 Lyonia ligustrina var. ligustrina Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   -all-   0.505 % 2       -none- 10 Aronia arbutifolia Aronia arbutifolia **   Aronia arbutifolia **   Aronia arbutifolia **   Aronia arbutifolia **   Aronia arbutifolia **   Aronia arbutifolia **   Aronia arbutifolia **   Aronia arbutifolia **   -all-   0.505 % 2       -none- 11 Diospyros virginiana Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   -all-   0.05 % 1       -none- 12 Amelanchier arborea Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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