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085-GROC-0011
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:14109-{55D52FD4-3842-42C2-86C1-7705045DF1F9}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-GROC-0011
Author Observation Code ? 085-GROC-0011
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy ? 25 m
Confidentiality Status ? 100 km radius (nearest degree)
Latitude ? 37 º
Longitude ? -77 º
State or Province ? Virginia
Named Places
county: James City
region|state|province: Virginia
Layout Fields: 
DSG Polygon ? 8 x 25 m
Area ? 200
Permanence ? not permanent
Environment Fields: 
Elevation ? 3 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 1 º
Topographic Position ? crest/interfluve
Landform ? dune
Hydrologic Regime ? terrestrial (upland)
Soil Moisture Regime ? somewhat xeric
Soil Drainage ? rapidly drained
Methods Fields: 
Observation Start Date ? 09-Oct-2002
Observation End Date ? 09-Oct-2002
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 ? 200
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
Tree Height ? 13 m
Shrub Height ? 6 m
Field Height ? 2 m
Tree Cover ? 70 %
Shrub Cover ? 45 %
Field Cover ? 3 %
Misc Fields: 
Observation Narrative ? This plot captures a very unusual habitat and vegetation assemblage occurring on a narrow bar or spit wedged between the James River and a tidal marsh. The substrate is composed of deep sand and shells and lies just above the limits of normal tides but appears to be subject to inundation by storm surges. The bar is located just downstream from the mouth of Grove Creek and may represent, at least in part, deposition by this stream. However, the deeply piled shell fragments suggest that this is also a shell midden. Under normal conditions the habitat is quite dry and supports a stunted, open, calcareous forest of Acer barbatum, Celtis occidentalis, Juniperus virginiana, and Sideroxylon bumelioides. The plot contains the former state champion Sideroxylon bumelioides.
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 Sideroxylon lycioides Sideroxylon lycioides **   Sideroxylon lycioides **   Sideroxylon lycioides **   Sideroxylon lycioides **   Sideroxylon lycioides **   Sideroxylon lycioides **   Sideroxylon lycioides **   Sideroxylon lycioides **   -all-  
62.5 %
8      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     9 stem(s)
7.5 cm ± 2.5 cm     16 stem(s)
12.5 cm ± 2.5 cm     9 stem(s)
stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem
2 Acer floridanum Acer floridanum **   Acer floridanum **   Acer floridanum **   Acer floridanum **   Acer floridanum **   Acer floridanum **   Acer floridanum **   Acer floridanum **   -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)
27.5 cm ± 2.5 cm     1 stem(s)
stem stem stem stem stem stem stem stem stem stem
3 Juniperus virginiana var. virginiana Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   -all-  
17.5 %
6      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
7.5 cm ± 2.5 cm     6 stem(s)
22.5 cm ± 2.5 cm     1 stem(s)
27.5 cm ± 2.5 cm     2 stem(s)
32.5 cm ± 2.5 cm     1 stem(s)
37.5 cm ± 2.5 cm     1 stem(s)
stem stem stem stem stem stem stem stem stem stem stem
4 Celtis occidentalis Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   -all-  
17.5 %
6      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     2 stem(s)
7.5 cm ± 2.5 cm     2 stem(s)
12.5 cm ± 2.5 cm     2 stem(s)
17.5 cm ± 2.5 cm     1 stem(s)
22.5 cm ± 2.5 cm     1 stem(s)
stem stem stem stem stem stem stem stem
5 Campsis radicans Campsis radicans **   Campsis radicans **   Campsis radicans **   Campsis radicans **   Campsis radicans **   Campsis radicans **   Campsis radicans **   Campsis radicans **   -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     3 stem(s)
stem stem stem stem
6 Iva frutescens Iva frutescens **   Iva frutescens **   Iva frutescens **   Iva frutescens **   Iva frutescens **   Iva frutescens **   Iva frutescens **   Iva frutescens **   -all-  
3.5 %
4       -none-
7 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-  
1.5 %
3       -none-
8 Spartina patens Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   -all-  
1.5 %
3       -none-
9 Morella cerifera Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   -all-  
1.5 %
3       -none-
10 Clematis terniflora Clematis terniflora **   Clematis terniflora **   Clematis terniflora **   Clematis terniflora **   Clematis terniflora **   Clematis terniflora **   Clematis terniflora **   Clematis terniflora **   -all-  
1.5 %
3       -none-
11 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-  
0.505 %
2       -none-
12 Saponaria officinalis Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   -all-  
0.505 %
2       -none-
13 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -all-  
0.505 %
2       -none-
14 Solidago sempervirens var. mexicana Solidago sempervirens var. mexicana **   Solidago sempervirens var. mexicana **   Solidago sempervirens var. mexicana **   Solidago sempervirens var. mexicana **   Solidago sempervirens var. mexicana **   Solidago sempervirens var. mexicana **   Solidago sempervirens var. mexicana **   Solidago sempervirens var. mexicana **   -all-  
0.505 %
2       -none-
15 Eupatorium serotinum Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   -all-  
0.505 %
2       -none-
16 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-  
0.505 %
2       -none-
17 Allium vineale Allium vineale **   Allium vineale **   Allium vineale **   Allium vineale **   Allium vineale **   Allium vineale **   Allium vineale **   Allium vineale **   -all-  
0.505 %
2       -none-
18 Atriplex patula Atriplex patula **   Atriplex patula **   Atriplex patula **   Atriplex patula **   Atriplex patula **   Atriplex patula **   Atriplex patula **   Atriplex patula **   -all-  
0.505 %
2       -none-
19 Baccharis halimifolia Baccharis halimifolia **   Baccharis halimifolia **   Baccharis halimifolia **   Baccharis halimifolia **   Baccharis halimifolia **   Baccharis halimifolia **   Baccharis halimifolia **   Baccharis halimifolia **   -all-  
0.505 %
2       -none-
20 Opuntia humifusa var. humifusa Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   -all-  
0.505 %
2       -none-
21 Melilotus sp. Melilotus sp. **   Melilotus sp. **   Melilotus sp. **   Melilotus sp. **   Melilotus sp. **   Melilotus sp. **   Melilotus sp. **   Melilotus sp. **   -all-  
0.505 %
2       -none-
22 Smilax bona-nox Smilax bona-nox **   Smilax bona-nox **   Smilax bona-nox **   Smilax bona-nox **   Smilax bona-nox **   Smilax bona-nox **   Smilax bona-nox **   Smilax bona-nox **   -all-  
0.505 %
2       -none-
23 Physalis virginiana var. virginiana Physalis virginiana var. virginiana **   Physalis virginiana var. virginiana **   Physalis virginiana var. virginiana **   Physalis virginiana var. virginiana **   Physalis virginiana var. virginiana **   Physalis virginiana var. virginiana **   Physalis virginiana var. virginiana **   Physalis virginiana var. virginiana **   -all-  
0.505 %
2       -none-
24 Barbarea vulgaris Barbarea vulgaris **   Barbarea vulgaris **   Barbarea vulgaris **   Barbarea vulgaris **   Barbarea vulgaris **   Barbarea vulgaris **   Barbarea vulgaris **   Barbarea vulgaris **   -all-  
0.05 %
1       -none-
25 Verbascum thapsus Verbascum thapsus **   Verbascum thapsus **   Verbascum thapsus **   Verbascum thapsus **   Verbascum thapsus **   Verbascum thapsus **   Verbascum thapsus **   Verbascum thapsus **   -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 ?
Ware, Donna Field assistant
Carmean, Byron Field assistant
Fleming, Gary Author
Community Classification:
No communties have been assigned to this plot.


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       0.540000021457672 %           7.80000019073486 23.5699996948242 100 % No profile development. Soil formed from recent, deep sand and shell deposits.


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Storm tide damage - uprooted Juniperus virginiana on river edge of habitat.


User Defined Values
No User Defined Data for this plot