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095-HARD-0009
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:19152-{0F9315B7-8B2C-4044-92BF-842249A37953}
» Citing info
Plot ID Fields: 
Author Plot Code ? 095-HARD-0009
Author Observation Code ? 095-HARD-0009
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? 100 km radius (nearest degree)
Latitude ? 39 º
Longitude ? -79 º
State or Province ? West Virginia
Named Places
county: Hardy
region|state|province: West Virginia
Layout Fields: 
DSG Polygon ? 20 (X) x 20 (Y)
Shape ? irregular
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 221 m
Slope Aspect ? 7 º
Slope Gradient ? 0.5 º
Topographic Position ? Channel
Landform ? Channel (below bankfull)
Surficial Deposits ? alluvium
Rock Type ? sandstone
Landscape Narrative ? Community repeats down the South Branch Potomac River in areas with slow moving flat water. This stretch of river is somewhat isolated with no road access. The only access is via the railroad on river left or the river. This site occurs in a private stretch of river between two tracts of the South Branch WMA within the "Trough".;Rooted herbaceous aquatic community confined to slower stretchws of river. Here the water is over 1 m deep. Community is dominated by Heteranthera dubia and Potamogeton sp. A large component of the invasive Myriophyllum aquaticum is also present within the plot. The river is running at a low foatable level. Sunlight penetrates most of the way to the river bottom. When floating in the zone of aquatics the current is almost imperceptible.
Representativeness ? Large patch of rooted herbaceous aquatic community dominated by mud plaintain, pondweed, and parrot's feather. Plot was sampled from canoe. Field form was later filled out in office based on filed notes, Garmin point and memory.
Hydrologic Regime ? permanently flooded
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 0 %
Percent Wood ? 0 %
Percent Litter ? 0 %
Percent Bare Soil ? 0 %
Percent Water ? 100 %
Percent Other ? 0 %
Methods Fields: 
Observation Start Date ? 01-Aug-2012
Project ? West Virginia NHP
Cover Method ? Percentage (%)
Stratum Method ? National Park Service
Taxon Observation Area ? 400
Overall Taxon Cover Values are Automatically Calculated? ? no
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Floristic Quality ? partial
Bryophyte Quality ? complete (species >=1% cover)
Overall Plot Vegetation Fields: 
--no data--
Misc Fields: 
Observation Narrative ? Heteranthera dubia - Potamogeton epihydrus Aquatic herbaceous bed
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 Heteranthera dubia Heteranthera dubia **   Heteranthera dubia **   Heteranthera dubia **   Heteranthera dubia **   Heteranthera dubia **   Heteranthera dubia **   Heteranthera dubia **   Heteranthera dubia **   Herbaceous
30 %
        -none-
2 Myriophyllum aquaticum Myriophyllum aquaticum **   Myriophyllum aquaticum **   Myriophyllum aquaticum **   Myriophyllum aquaticum **   Myriophyllum aquaticum **   Myriophyllum aquaticum **   Myriophyllum aquaticum **   Myriophyllum aquaticum **   Herbaceous
30 %
        -none-
3 Potamogeton epihydrus Potamogeton epihydrus **   Potamogeton epihydrus **   Potamogeton epihydrus **   Potamogeton epihydrus **   Potamogeton epihydrus **   Potamogeton epihydrus **   Potamogeton epihydrus **   Potamogeton epihydrus **   Herbaceous
30 %
        -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
Herbaceous 1 m 2 m 90 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Vanderhorst, Jim Field assistant
Streets, Brian Field assistant
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details  
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Vallisneria americana - (Heteranthera dubia) Riverine Aquatic Vegetation       no
No Class Contributors.


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Other disturbance   railroad on river left, utility corridor just upriver


User Defined Values
No User Defined Data for this plot