085-BLAC-0005
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16731-{B0D7FDD3-043A-4993-B8E9-434F5B1153EF} » Citing info
Plot ID Fields:
Author Plot Code	085-BLAC-0005
Author Observation Code	085-BLAC-0005
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: Isle of Wight region|state|province: Virginia
Layout Fields:
DSG Polygon	13.33 x 30 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	2 m
Slope Aspect	(n/a, flat) º
Slope Gradient	0 º
Topographic Position	plain/level/bottom
Landform	alluvial flat/alluvial terrace/floodplain
Hydrologic Regime	non-tidal - temporarily flooded
Soil Moisture Regime	subhygric
Soil Drainage	somewhat poorly drained
Methods Fields:
Observation Start Date	10-Jun-2010
Observation End Date	10-Jun-2010
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 m²
Plot Quality Fields:
Plot Validation Level	(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Tree Height	28 m
Shrub Height	6 m
Field Height	6 m
Tree Cover	65 %
Shrub Cover	15 %
Field Cover	70 %
Nonvascular Cover	0 %
Misc Fields:
Observation Narrative	Sampling site is a low levee / terrace / shelf directly adjacent to Blackwater River and lying perhaps two meters in elevation above mean water level. Hydrology is very difficult to assess, as the site may be wholly or partly flooded for extended periods (especially winter-flooded), yet is exposed for much of the growing season; it is tentatively assigned to the "temporarily flooded" class but may be better characterized as "seasonally flooded." The vegetation is a very open forest consisting mostly of Taxodium distichum, Carya aquatica, and Quercus laurifolia, with dense herbaceous vegetation beneath. A large Quercus laurifolia overhangs the plot, while the high cover of Betula nigra is contributed mostly by dense regeneration of small (< 2.5 cm DBH), shrubby saplings. The herb layer is dominated by species characteristic of "draw-down" habitats, which also suggest significant periods of inundation.

Taxa occurring on this plot-observation
Change plant label: --Choose a value-- Author's plant name Original Interpretation, full Scientific Name Original Interpretation, Scientific Name without authors Original Interpretation, USDA Code Original Interpretation, Common Name Current Interpretation, full Scientific Name Current Interpretation, Scientific Name without authors Current Interpretation, USDA Code Current Interpretation, Common Name
Change Strata Shown: --choose one-- show strata (no strata on this plot) show overall cover show strata + overall
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 Betula nigra Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 22.5 cm ± 2.5 cm     1 stem(s) 45.5 cm ± 0.5 cm     1 stem(s) 2 Diodia virginiana Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   -all-   37.5 % 7       -none- 3 Taxodium distichum Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 50.5 cm ± 0.5 cm     1 stem(s) 51.5 cm ± 0.5 cm     1 stem(s) 70.5 cm ± 0.5 cm     1 stem(s) 4 Carya aquatica Carya aquatica **   Carya aquatica **   Carya aquatica **   Carya aquatica **   Carya aquatica **   Carya aquatica **   Carya aquatica **   Carya aquatica **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 48.5 cm ± 0.5 cm     1 stem(s) 52.5 cm ± 0.5 cm     1 stem(s) 5 Quercus laurifolia Quercus laurifolia **   Quercus laurifolia **   Quercus laurifolia **   Quercus laurifolia **   Quercus laurifolia **   Quercus laurifolia **   Quercus laurifolia **   Quercus laurifolia **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 32.5 cm ± 2.5 cm     1 stem(s) 6 Coleataenia rigidula ssp. rigidula Coleataenia rigidula ssp. rigidula **   Coleataenia rigidula ssp. rigidula **   Coleataenia rigidula ssp. rigidula **   Coleataenia rigidula ssp. rigidula **   Coleataenia rigidula ssp. rigidula **   Coleataenia rigidula ssp. rigidula **   Coleataenia rigidula ssp. rigidula **   Coleataenia rigidula ssp. rigidula **   -all-   7.5 % 5       -none- 7 Justicia ovata var. ovata Justicia ovata var. ovata **   Justicia ovata var. ovata **   Justicia ovata var. ovata **   Justicia ovata var. ovata **   Justicia ovata var. ovata **   Justicia ovata var. ovata **   Justicia ovata var. ovata **   Justicia ovata var. ovata **   -all-   7.5 % 5       -none- 8 Dichanthelium dichotomum Dichanthelium dichotomum **   Dichanthelium dichotomum **   Dichanthelium dichotomum **   Dichanthelium dichotomum **   Dichanthelium dichotomum **   Dichanthelium dichotomum **   Dichanthelium dichotomum **   Dichanthelium dichotomum **   -all-   7.5 % 5       -none- 9 Bidens frondosa Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   -all-   7.5 % 5       -none- 10 Platanus occidentalis Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 22.5 cm ± 2.5 cm     2 stem(s) 11 Hydrocotyle verticillata Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   -all-   3.5 % 4       -none- 12 Quercus lyrata Quercus lyrata **   Quercus lyrata **   Quercus lyrata **   Quercus lyrata **   Quercus lyrata **   Quercus lyrata **   Quercus lyrata **   Quercus lyrata **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 27.5 cm ± 2.5 cm     1 stem(s) 13 Viola esculenta Viola esculenta **   Viola esculenta **   Viola esculenta **   Viola esculenta **   Viola esculenta **   Viola esculenta **   Viola esculenta **   Viola esculenta **   -all-   1.5 % 3       -none- 14 Pleopeltis polypodioides ssp. michauxiana Pleopeltis polypodioides ssp. michauxiana **   Pleopeltis polypodioides ssp. michauxiana **   Pleopeltis polypodioides ssp. michauxiana **   Pleopeltis polypodioides ssp. michauxiana **   Pleopeltis polypodioides ssp. michauxiana **   Pleopeltis polypodioides ssp. michauxiana **   Pleopeltis polypodioides ssp. michauxiana **   Pleopeltis polypodioides ssp. michauxiana **   -all-   1.5 % 3       -none- 15 Carex tribuloides Carex tribuloides **   Carex tribuloides **   Carex tribuloides **   Carex tribuloides **   Carex tribuloides **   Carex tribuloides **   Carex tribuloides **   Carex tribuloides **   -all-   1.5 % 3       -none- 16 Symphyotrichum lateriflorum Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   -all-   1.5 % 3       -none- 17 Saururus cernuus Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   -all-   1.5 % 3       -none- 18 Carpinus caroliniana Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   -all-   1.5 % 3       DBH DBH err Ht. Ht. Err # 7.5 cm ± 2.5 cm     1 stem(s) 12.5 cm ± 2.5 cm     1 stem(s) 19 Fraxinus caroliniana Fraxinus caroliniana **   Fraxinus caroliniana **   Fraxinus caroliniana **   Fraxinus caroliniana **   Fraxinus caroliniana **   Fraxinus caroliniana **   Fraxinus caroliniana **   Fraxinus caroliniana **   -all-   1.5 % 3       -none- 20 Hypoxis curtissii Hypoxis curtissii **   Hypoxis curtissii **   Hypoxis curtissii **   Hypoxis curtissii **   Hypoxis curtissii **   Hypoxis curtissii **   Hypoxis curtissii **   Hypoxis curtissii **   -all-   1.5 % 3       -none- 21 Carex typhina Carex typhina **   Carex typhina **   Carex typhina **   Carex typhina **   Carex typhina **   Carex typhina **   Carex typhina **   Carex typhina **   -all-   1.5 % 3       -none- 22 Ilex decidua var. decidua Ilex decidua var. decidua **   Ilex decidua var. decidua **   Ilex decidua var. decidua **   Ilex decidua var. decidua **   Ilex decidua var. decidua **   Ilex decidua var. decidua **   Ilex decidua var. decidua **   Ilex decidua var. decidua **   -all-   0.505 % 2       -none- 23 Leersia virginica Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   -all-   0.505 % 2       -none- 24 Boehmeria cylindrica Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   -all-   0.505 % 2       -none- 25 Vitis cinerea Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   -all-   0.505 % 2       -none- 26 Symphyotrichum racemosum var. racemosum Symphyotrichum racemosum var. racemosum **   Symphyotrichum racemosum var. racemosum **   Symphyotrichum racemosum var. racemosum **   Symphyotrichum racemosum var. racemosum **   Symphyotrichum racemosum var. racemosum **   Symphyotrichum racemosum var. racemosum **   Symphyotrichum racemosum var. racemosum **   Symphyotrichum racemosum var. racemosum **   -all-   0.505 % 2       -none- 27 Trachelospermum difforme Trachelospermum difforme **   Trachelospermum difforme **   Trachelospermum difforme **   Trachelospermum difforme **   Trachelospermum difforme **   Trachelospermum difforme **   Trachelospermum difforme **   Trachelospermum difforme **   -all-   0.505 % 2       -none- 28 Liquidambar styraciflua Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   -all-   0.505 % 2       -none- 29 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -all-   0.505 % 2       -none- 30 Onoclea sensibilis var. sensibilis Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   -all-   0.505 % 2       -none- 31 Pluchea camphorata Pluchea camphorata **   Pluchea camphorata **   Pluchea camphorata **   Pluchea camphorata **   Pluchea camphorata **   Pluchea camphorata **   Pluchea camphorata **   Pluchea camphorata **   -all-   0.505 % 2       -none- 32 Cephalanthus occidentalis Cephalanthus occidentalis **   Cephalanthus occidentalis **   Cephalanthus occidentalis **   Cephalanthus occidentalis **   Cephalanthus occidentalis **   Cephalanthus occidentalis **   Cephalanthus occidentalis **   Cephalanthus occidentalis **   -all-   0.505 % 2       -none- 33 Vitis rotundifolia var. rotundifolia Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   -all-   0.505 % 2       -none- 34 Rorippa palustris ssp. palustris Rorippa palustris ssp. palustris **   Rorippa palustris ssp. palustris **   Rorippa palustris ssp. palustris **   Rorippa palustris ssp. palustris **   Rorippa palustris ssp. palustris **   Rorippa palustris ssp. palustris **   Rorippa palustris ssp. palustris **   Rorippa palustris ssp. palustris **   -all-   0.05 % 1       -none- 35 Persicaria setacea Persicaria setacea **   Persicaria setacea **   Persicaria setacea **   Persicaria setacea **   Persicaria setacea **   Persicaria setacea **   Persicaria setacea **   Persicaria setacea **   -all-   0.05 % 1       -none- 36 Pinus taeda Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   -all-   0.05 % 1       -none- 37 Ludwigia palustris Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   -all-   0.05 % 1       -none- 38 Conoclinium coelestinum Conoclinium coelestinum **   Conoclinium coelestinum **   Conoclinium coelestinum **   Conoclinium coelestinum **   Conoclinium coelestinum **   Conoclinium coelestinum **   Conoclinium coelestinum **   Conoclinium coelestinum **   -all-   0.05 % 1       -none- 39 Crataegus viridis Crataegus viridis **   Crataegus viridis **   Crataegus viridis **   Crataegus viridis **   Crataegus viridis **   Crataegus viridis **   Crataegus viridis **   Crataegus viridis **   -all-   0.05 % 1       -none- 40 Diospyros virginiana Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   Diospyros virginiana **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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