085-GWMP-0008
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:14117-{4732E2B4-B14F-4C79-8EF5-557552535396} » Citing info
Plot ID Fields:
Author Plot Code	085-GWMP-0008
Author Observation Code	085-GWMP-0008
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	25 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	39 º
Longitude	-77 º
State or Province	Virginia
Named Places	county: Arlington region|state|province: Virginia
Layout Fields:
DSG Polygon	16 x 25 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	9 m
Slope Aspect	4 º
Slope Gradient	30 º
Topographic Position	middle slope
Landform	ravine
Hydrologic Regime	terrestrial (upland)
Soil Moisture Regime	xeric
Soil Drainage	well drained
Methods Fields:
Observation Start Date	24-Jun-2004
Observation End Date	24-Jun-2004
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	23 m
Shrub Height	5 m
Field Height	7 m
Tree Cover	75 %
Shrub Cover	70 %
Field Cover	7 %
Nonvascular Cover	8 %
Misc Fields:
Observation Narrative	The plot was positioned in a very steep, very dense oak/ heath forest, which represents a relic of natural vegetation on the much-quarried Arlington bluff of the Potomac Gorge. The site is a somewhat sheltered, north-facing slope flanking the mouth of Gulf Branch. Soils are extremely acidic and infertile. Rhododendron maximum, a very rare species in the northern Virginia Piedmont, is a noteworthy component of the ericaceous understory. This site is well protected from deer grazing, as evidenced by the very robust size of Medeola virginiana, Solidago bicolor, and other herbaceous plants.

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 Kalmia latifolia Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     32 stem(s) 7.5 cm ± 2.5 cm     6 stem(s) 2 Sassafras albidum Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7.5 cm ± 2.5 cm     8 stem(s) 12.5 cm ± 2.5 cm     4 stem(s) 17.5 cm ± 2.5 cm     4 stem(s) 3 Nyssa sylvatica Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 12.5 cm ± 2.5 cm     4 stem(s) 17.5 cm ± 2.5 cm     3 stem(s) 4 Quercus montana Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 27.5 cm ± 2.5 cm     1 stem(s) 32.5 cm ± 2.5 cm     3 stem(s) 42.5 cm ± 0.5 cm     1 stem(s) 52.5 cm ± 0.5 cm     1 stem(s) 60.5 cm ± 0.5 cm     1 stem(s) 5 Rhododendron periclymenoides Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   -all-   7.5 % 5       -none- 6 Vaccinium pallidum Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   -all-   7.5 % 5       -none- 7 Fagus grandifolia Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7.5 cm ± 2.5 cm     1 stem(s) 12.5 cm ± 2.5 cm     1 stem(s) 8 Rhododendron maximum Rhododendron maximum **   Rhododendron maximum **   Rhododendron maximum **   Rhododendron maximum **   Rhododendron maximum **   Rhododendron maximum **   Rhododendron maximum **   Rhododendron maximum **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     4 stem(s) 9 Hamamelis virginiana var. virginiana Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     6 stem(s) 7.5 cm ± 2.5 cm     1 stem(s) 10 Medeola virginiana Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   -all-   1.5 % 3       -none- 11 Acer rubrum Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   -all-   1.5 % 3       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     2 stem(s) 12 Vaccinium stamineum Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   -all-   1.5 % 3       -none- 13 Quercus rubra Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   -all-   1.5 % 3       DBH DBH err Ht. Ht. Err # 12.5 cm ± 2.5 cm     1 stem(s) 14 Vaccinium corymbosum Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   Vaccinium corymbosum **   -all-   1.5 % 3       -none- 15 Amelanchier arborea Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   -all-   0.505 % 2       -none- 16 Chionanthus virginicus Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   -all-   0.505 % 2       -none- 17 Quercus velutina Quercus velutina **   Quercus velutina **   Quercus velutina **   Quercus velutina **   Quercus velutina **   Quercus velutina **   Quercus velutina **   Quercus velutina **   -all-   0.505 % 2       -none- 18 Danthonia spicata Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   -all-   0.505 % 2       -none- 19 Smilax glauca Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   -all-   0.505 % 2       -none- 20 Robinia pseudoacacia Robinia pseudoacacia **   Robinia pseudoacacia **   Robinia pseudoacacia **   Robinia pseudoacacia **   Robinia pseudoacacia **   Robinia pseudoacacia **   Robinia pseudoacacia **   Robinia pseudoacacia **   -all-   0.505 % 2       DBH DBH err Ht. Ht. Err # 17.5 cm ± 2.5 cm     1 stem(s) 21 Viburnum acerifolium Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   -all-   0.505 % 2       -none- 22 Liriodendron tulipifera Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   -all-   0.505 % 2       -none- 23 Polypodium virginianum Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   -all-   0.505 % 2       -none- 24 Epigaea repens Epigaea repens **   Epigaea repens **   Epigaea repens **   Epigaea repens **   Epigaea repens **   Epigaea repens **   Epigaea repens **   Epigaea repens **   -all-   0.505 % 2       -none- 25 Eurybia divaricata Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   -all-   0.505 % 2       -none- 26 Cornus florida Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   -all-   0.505 % 2       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 27 Prunus serotina var. serotina Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   -all-   0.05 % 1       -none- 28 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-   0.05 % 1       -none- 29 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-   0.05 % 1       -none- 30 Solidago bicolor Solidago bicolor **   Solidago bicolor **   Solidago bicolor **   Solidago bicolor **   Solidago bicolor **   Solidago bicolor **   Solidago bicolor **   Solidago bicolor **   -all-   0.05 % 1       -none- 31 Aralia nudicaulis Aralia nudicaulis **   Aralia nudicaulis **   Aralia nudicaulis **   Aralia nudicaulis **   Aralia nudicaulis **   Aralia nudicaulis **   Aralia nudicaulis **   Aralia nudicaulis **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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