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085-GFNP-0018
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:13654-{9DD0AB4B-F547-498E-BD2D-8EA23AC603D5}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-GFNP-0018
Author Observation Code ? 085-GFNP-0018
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: Fairfax
county: Fairfax
region|state|province: Virginia
Layout Fields: 
DSG Polygon ? 16 x 25 m
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 61 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 1 º
Topographic Position ? crest/interfluve
Landform ? rolling/dissected upland
Hydrologic Regime ? terrestrial (upland)
Soil Moisture Regime ? somewhat xeric
Soil Drainage ? well drained
Methods Fields: 
Observation Start Date ? 15-Aug-2003
Observation End Date ? 15-Aug-2003
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
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
Tree Height ? 29 m
Shrub Height ? 5 m
Field Height ? 5 m
Tree Cover ? 90 %
Shrub Cover ? 35 %
Field Cover ? 8 %
Nonvascular Cover ? 1 %
Misc Fields: 
Observation Narrative ? Plot was positioned in the most representative part of a young, depauperate oak/heath forest on a broad ridge crest. The site is located near the historical settlement of Matildaville at Great Falls, and has probably been subject to multiple past disturbances, including extensive cutting, grazing, and clearing. The dominant oaks are relatively small in diameter and probably considerably younger than those on the more rugged ridge to the south near Difficult Run.
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 Quercus alba Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   -all-  
62.5 %
8      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
27.5 cm ± 2.5 cm     2 stem(s)
32.5 cm ± 2.5 cm     1 stem(s)
37.5 cm ± 2.5 cm     3 stem(s)
47.5 cm ± 0.5 cm     1 stem(s)
stem stem stem stem stem stem stem
2 Quercus falcata Quercus falcata **   Quercus falcata **   Quercus falcata **   Quercus falcata **   Quercus falcata **   Quercus falcata **   Quercus falcata **   Quercus falcata **   -all-  
37.5 %
7      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
32.5 cm ± 2.5 cm     1 stem(s)
37.5 cm ± 2.5 cm     3 stem(s)
42.5 cm ± 0.5 cm     1 stem(s)
stem stem stem stem stem
3 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     6 stem(s)
7.5 cm ± 2.5 cm     3 stem(s)
stem stem stem stem stem stem stem stem stem
4 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 ?# ?
3.75 cm ± 1.25 cm     2 stem(s)
7.5 cm ± 2.5 cm     6 stem(s)
12.5 cm ± 2.5 cm     1 stem(s)
stem stem stem stem stem stem stem stem stem
5 Pinus virginiana Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   -all-  
7.5 %
5      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
27.5 cm ± 2.5 cm     1 stem(s)
37.5 cm ± 2.5 cm     1 stem(s)
stem stem
6 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -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-  
7.5 %
5      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
7.5 cm ± 2.5 cm     1 stem(s)
stem
8 Viburnum dentatum var. dentatum Viburnum dentatum var. dentatum **   Viburnum dentatum var. dentatum **   Viburnum dentatum var. dentatum **   Viburnum dentatum var. dentatum **   Viburnum dentatum var. dentatum **   Viburnum dentatum var. dentatum **   Viburnum dentatum var. dentatum **   Viburnum dentatum var. dentatum **   -all-  
3.5 %
4       -none-
9 Vaccinium stamineum Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   -all-  
3.5 %
4       -none-
10 Gaylussacia baccata Gaylussacia baccata **   Gaylussacia baccata **   Gaylussacia baccata **   Gaylussacia baccata **   Gaylussacia baccata **   Gaylussacia baccata **   Gaylussacia baccata **   Gaylussacia baccata **   -all-  
3.5 %
4       -none-
11 Quercus montana Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   -all-  
3.5 %
4      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
27.5 cm ± 2.5 cm     1 stem(s)
stem
12 Rhododendron periclymenoides Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   -all-  
1.5 %
3       -none-
13 Ilex opaca var. opaca Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   -all-  
1.5 %
3      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     1 stem(s)
stem
14 Sassafras albidum Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   Sassafras albidum **   -all-  
1.5 %
3      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     1 stem(s)
stem
15 Carya tomentosa Carya tomentosa **   Carya tomentosa **   Carya tomentosa **   Carya tomentosa **   Carya tomentosa **   Carya tomentosa **   Carya tomentosa **   Carya tomentosa **   -all-  
1.5 %
3      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     2 stem(s)
stem stem
16 Vaccinium pallidum Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   -all-  
1.5 %
3       -none-
17 Asimina triloba Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   -all-  
1.5 %
3       -none-
18 Cornus florida Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   Cornus florida **   -all-  
1.5 %
3      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     1 stem(s)
stem
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 Amelanchier arborea Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   -all-  
0.505 %
2       -none-
21 Danthonia spicata Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   -all-  
0.505 %
2       -none-
22 Carex swanii Carex swanii **   Carex swanii **   Carex swanii **   Carex swanii **   Carex swanii **   Carex swanii **   Carex swanii **   Carex swanii **   -all-  
0.505 %
2       -none-
23 Chimaphila maculata Chimaphila maculata **   Chimaphila maculata **   Chimaphila maculata **   Chimaphila maculata **   Chimaphila maculata **   Chimaphila maculata **   Chimaphila maculata **   Chimaphila maculata **   -all-  
0.505 %
2       -none-
24 Viburnum acerifolium Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   -all-  
0.505 %
2       -none-
25 Kalmia latifolia Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   -all-  
0.505 %
2       -none-
26 Mitchella repens Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   -all-  
0.505 %
2       -none-
27 Lonicera japonica Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   -all-  
0.505 %
2       -none-
28 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-  
0.505 %
2       -none-
29 Liriodendron tulipifera Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   -all-  
0.505 %
2       -none-
30 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-
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 ?
Fleming, Gary Author
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Oct-2004
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Quercus alba - Quercus (coccinea, velutina, montana) / Gaylussacia baccata Forest 4 High   no
No Class Contributors.
Details 01-Oct-2004
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Quercus montana - (Quercus coccinea, Quercus rubra) / Kalmia latifolia / Vaccinium pallidum Forest 4 Low   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       4.13000011444092 %   22.9400005340576 % 63.060001373291 % 14 %   4.30000019073486 13.5500001907349 6.73000001907349 % 0-2cm: leaf litter 2-4cm: reddish humus/ root mat 4+ cm: yellowish silt loam with some clay


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Old Pinus virginiana logs and stump-sprouted oaks indicate past logging and/or clearing.


User Defined Values
No User Defined Data for this plot