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085-NORH-0003
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:14980-{FC0CE1A6-B91A-4D96-8680-D62205FA45DD}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-NORH-0003
Author Observation Code ? 085-NORH-0003
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? 100 km radius (nearest degree)
Latitude ? 37 º
Longitude ? -76 º
State or Province ? Virginia
Named Places
county: Northampton
region|state|province: Virginia
Layout Fields: 
DSG Polygon ? 10 x 10 m
Area ? 100
Permanence ? not permanent
Environment Fields: 
Elevation ? 3 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 5 º
Topographic Position ? crest/interfluve
Landform ? dune
Hydrologic Regime ? terrestrial (upland)
Soil Moisture Regime ? xeric
Soil Drainage ? rapidly drained
Methods Fields: 
Observation Start Date ? 29-Aug-1990
Observation End Date ? 29-Aug-1990
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 Cover ? 70 %
Misc Fields: 
Observation Narrative ? This dune ridge is of relatively recent origin - apparently less than 100 years old. Currently this ridge is > 100 m from the bay shore. The young landscape attests to the dynamic nature of this barrier beach landform. Plants such as Ammophila breviligulata thrive on young dunes such as this. The rare grass Aristida tuberculosa thrives on more open, sandier portions of this dune.
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 Ammophila breviligulata Ammophila breviligulata **   Ammophila breviligulata **   Ammophila breviligulata **   Ammophila breviligulata **   Ammophila breviligulata **   Ammophila breviligulata **   Ammophila breviligulata **   Ammophila breviligulata **   -all-  
37.5 %
7       -none-
2 Spartina patens Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   Spartina patens **   -all-  
7.5 %
5       -none-
3 Pseudognaphalium obtusifolium Pseudognaphalium obtusifolium **   Pseudognaphalium obtusifolium **   Pseudognaphalium obtusifolium **   Pseudognaphalium obtusifolium **   Pseudognaphalium obtusifolium **   Pseudognaphalium obtusifolium **   Pseudognaphalium obtusifolium **   Pseudognaphalium obtusifolium **   -all-  
3.5 %
4       -none-
4 Dichanthelium sp. Dichanthelium sp. **   Dichanthelium sp. **   Dichanthelium sp. **   Dichanthelium sp. **   Dichanthelium sp. **   Dichanthelium sp. **   Dichanthelium sp. **   Dichanthelium sp. **   -all-  
3.5 %
4       -none-
5 Conyza canadensis Conyza canadensis **   Conyza canadensis **   Conyza canadensis **   Conyza canadensis **   Conyza canadensis **   Conyza canadensis **   Conyza canadensis **   Conyza canadensis **   -all-  
1.5 %
3       -none-
6 Panicum amarum var. amarum Panicum amarum var. amarum **   Panicum amarum var. amarum **   Panicum amarum var. amarum **   Panicum amarum var. amarum **   Panicum amarum var. amarum **   Panicum amarum var. amarum **   Panicum amarum var. amarum **   Panicum amarum var. amarum **   -all-  
1.5 %
3       -none-
7 Cirsium horridulum var. horridulum Cirsium horridulum var. horridulum **   Cirsium horridulum var. horridulum **   Cirsium horridulum var. horridulum **   Cirsium horridulum var. horridulum **   Cirsium horridulum var. horridulum **   Cirsium horridulum var. horridulum **   Cirsium horridulum var. horridulum **   Cirsium horridulum var. horridulum **   -all-  
1.5 %
3       -none-
8 Eupatorium hyssopifolium Eupatorium hyssopifolium **   Eupatorium hyssopifolium **   Eupatorium hyssopifolium **   Eupatorium hyssopifolium **   Eupatorium hyssopifolium **   Eupatorium hyssopifolium **   Eupatorium hyssopifolium **   Eupatorium hyssopifolium **   -all-  
1.5 %
3       -none-
9 Eupatorium capillifolium Eupatorium capillifolium **   Eupatorium capillifolium **   Eupatorium capillifolium **   Eupatorium capillifolium **   Eupatorium capillifolium **   Eupatorium capillifolium **   Eupatorium capillifolium **   Eupatorium capillifolium **   -all-  
0.505 %
2       -none-
10 Juncus sp. Juncus sp. **   Juncus sp. **   Juncus sp. **   Juncus sp. **   Juncus sp. **   Juncus sp. **   Juncus sp. **   Juncus sp. **   -all-  
0.505 %
2       -none-
11 Eragrostis refracta Eragrostis refracta **   Eragrostis refracta **   Eragrostis refracta **   Eragrostis refracta **   Eragrostis refracta **   Eragrostis refracta **   Eragrostis refracta **   Eragrostis refracta **   -all-  
0.505 %
2       -none-
12 Dysphania ambrosioides Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   -all-  
0.505 %
2       -none-
13 Festuca rubra Festuca rubra **   Festuca rubra **   Festuca rubra **   Festuca rubra **   Festuca rubra **   Festuca rubra **   Festuca rubra **   Festuca rubra **   -all-  
0.505 %
2       -none-
14 Andropogon virginicus Andropogon virginicus **   Andropogon virginicus **   Andropogon virginicus **   Andropogon virginicus **   Andropogon virginicus **   Andropogon virginicus **   Andropogon virginicus **   Andropogon virginicus **   -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 ?
Coulling, Philip Field assistant
Rawinski, Tom Author
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 03-Mar-2006
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Ammophila breviligulata - Panicum amarum var. amarum Grassland 5 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                         dune sand


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Old pieces of driftwood and litter indicate flooding many years ago.


User Defined Values
No User Defined Data for this plot