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085-GWMP-0025
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16094-{D584AF2B-D13C-4CB0-88CE-2FD97F53A9DE}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-GWMP-0025
Author Observation Code ? 085-GWMP-0025
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 ? 2 x 50 m
Area ? 100
Permanence ? not permanent
Environment Fields: 
Elevation ? 0 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 0 º
Topographic Position ? plain/level/bottom
Landform ? tidal flat
Hydrologic Regime ? tidal - regularly flooded
Soil Moisture Regime ? hygric
Soil Drainage ? poorly drained
Water Salinity ? freshwater
Methods Fields: 
Observation Start Date ? 07-Sep-2006
Observation End Date ? 07-Sep-2006
Project ? Virginia Heritage
Cover Method ? Carolina Vegetation Survey
Stratum Method ? No Strata
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
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
Field Height ? 5 m
Field Cover ? 80 %
Misc Fields: 
Observation Narrative ? Plot situated along intertidal zone of Potomac. Narrow edge of Schoenoplectus dominated vegetation. Area sampled ca. 1.5hours before low tide and much of surface exposed. Rocky shore line with patches of mineral soil.
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 Schoenoplectus tabernaemontani Schoenoplectus tabernaemontani **   Schoenoplectus tabernaemontani **   Schoenoplectus tabernaemontani **   Schoenoplectus tabernaemontani **   Schoenoplectus tabernaemontani **   Schoenoplectus tabernaemontani **   Schoenoplectus tabernaemontani **   Schoenoplectus tabernaemontani **   -all-  
37.5 %
7       -none-
2 Justicia americana Justicia americana **   Justicia americana **   Justicia americana **   Justicia americana **   Justicia americana **   Justicia americana **   Justicia americana **   Justicia americana **   -all-  
17.5 %
6       -none-
3 Persicaria punctata Persicaria punctata **   Persicaria punctata **   Persicaria punctata **   Persicaria punctata **   Persicaria punctata **   Persicaria punctata **   Persicaria punctata **   Persicaria punctata **   -all-  
7.5 %
5       -none-
4 Hydrilla verticillata Hydrilla verticillata **   Hydrilla verticillata **   Hydrilla verticillata **   Hydrilla verticillata **   Hydrilla verticillata **   Hydrilla verticillata **   Hydrilla verticillata **   Hydrilla verticillata **   -all-  
1.5 %
3       -none-
5 Sagittaria subulata Sagittaria subulata **   Sagittaria subulata **   Sagittaria subulata **   Sagittaria subulata **   Sagittaria subulata **   Sagittaria subulata **   Sagittaria subulata **   Sagittaria subulata **   -all-  
1.5 %
3       -none-
6 Pontederia cordata var. cordata Pontederia cordata var. cordata **   Pontederia cordata var. cordata **   Pontederia cordata var. cordata **   Pontederia cordata var. cordata **   Pontederia cordata var. cordata **   Pontederia cordata var. cordata **   Pontederia cordata var. cordata **   Pontederia cordata var. cordata **   -all-  
1.5 %
3       -none-
7 Echinochloa walteri Echinochloa walteri **   Echinochloa walteri **   Echinochloa walteri **   Echinochloa walteri **   Echinochloa walteri **   Echinochloa walteri **   Echinochloa walteri **   Echinochloa walteri **   -all-  
0.505 %
2       -none-
8 Amaranthus cannabinus Amaranthus cannabinus **   Amaranthus cannabinus **   Amaranthus cannabinus **   Amaranthus cannabinus **   Amaranthus cannabinus **   Amaranthus cannabinus **   Amaranthus cannabinus **   Amaranthus cannabinus **   -all-  
0.505 %
2       -none-
9 Sagittaria latifolia var. latifolia Sagittaria latifolia var. latifolia **   Sagittaria latifolia var. latifolia **   Sagittaria latifolia var. latifolia **   Sagittaria latifolia var. latifolia **   Sagittaria latifolia var. latifolia **   Sagittaria latifolia var. latifolia **   Sagittaria latifolia var. latifolia **   Sagittaria latifolia var. latifolia **   -all-  
0.505 %
2       -none-
10 Bidens laevis Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   -all-  
0.505 %
2       -none-
11 Symphyotrichum lateriflorum Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   -all-  
0.505 %
2       -none-
12 Symphyotrichum novi-belgii Symphyotrichum novi-belgii **   Symphyotrichum novi-belgii **   Symphyotrichum novi-belgii **   Symphyotrichum novi-belgii **   Symphyotrichum novi-belgii **   Symphyotrichum novi-belgii **   Symphyotrichum novi-belgii **   Symphyotrichum novi-belgii **   -all-  
0.505 %
2       -none-
13 Helenium autumnale Helenium autumnale **   Helenium autumnale **   Helenium autumnale **   Helenium autumnale **   Helenium autumnale **   Helenium autumnale **   Helenium autumnale **   Helenium autumnale **   -all-  
0.505 %
2       -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 ?
Coulling, Philip Field assistant
Taverna, Kristin Author
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Apr-2007
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Schoenoplectus pungens Tidal Salt Marsh 4 High   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       1.45000004768372 %           6.5 14.3400001525879 100 % Rocky soil with thin veneer of OM. 15cm of black, organic rich, loosely consolidated sand and then hit clay below.


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Hydrilla as a submerged aquatic (high tide).


User Defined Values
No User Defined Data for this plot