085-JBNF-0028
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16329-{E56CAC2A-7DCF-4935-8D8E-258D16DD94A7} » Citing info
Plot ID Fields:
Author Plot Code	085-JBNF-0028
Author Observation Code	085-JBNF-0028
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	25 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	37 º
Longitude	-81 º
State or Province	Virginia
Named Places	county: Giles region|state|province: Virginia
Layout Fields:
DSG Polygon	20 x 20 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	1135 m
Slope Aspect	0 º
Slope Gradient	17 º
Topographic Position	upper slope
Landform	ravine
Hydrologic Regime	terrestrial (upland)
Soil Moisture Regime	mesic
Soil Drainage	well drained
Methods Fields:
Observation Start Date	26-Jun-2008
Observation End Date	26-Jun-2008
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	20 m
Shrub Height	6 m
Field Height	1 m
Tree Cover	80 %
Shrub Cover	30 %
Field Cover	80 %
Nonvascular Cover	55 %
Misc Fields:
Observation Narrative	The sample captures a yellow birch-dominated forest in a bouldery, north-facing ravine on the upper slope of Big Mountain. The plot center line runs down the bottom of the ravine and encompasses 10 m of slope on either side. Boulders and rocks, with litter or moss cover, dominate the ground surface. Soil samples collected have extraordinarily low pH and base cation levels (except iron and aluminum). Ferns dominate the herbaceous stratum. Local areas of seepage are present in ravine bottom, and some of the boulder-covered slope on the west side of the plot may have a seasonally perched water table. This may account for the abundance of Osmunda cinnamomea in the ravine, although this fern extends well up onto well-drained slopes and occurs on other nearby sites that lack seepage. Overall, this forest is best treated as terrestrial-upland vegetation with small wetland inclusions.

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 alleghaniensis Betula alleghaniensis **   Betula alleghaniensis **   Betula alleghaniensis **   Betula alleghaniensis **   Betula alleghaniensis **   Betula alleghaniensis **   Betula alleghaniensis **   Betula alleghaniensis **   -all-   62.5 % 8       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7.5 cm ± 2.5 cm     1 stem(s) 12.5 cm ± 2.5 cm     4 stem(s) 17.5 cm ± 2.5 cm     1 stem(s) 22.5 cm ± 2.5 cm     3 stem(s) 37.5 cm ± 2.5 cm     2 stem(s) 50.5 cm ± 0.5 cm     1 stem(s) 56.5 cm ± 0.5 cm     1 stem(s) 2 Dryopteris intermedia Dryopteris intermedia **   Dryopteris intermedia **   Dryopteris intermedia **   Dryopteris intermedia **   Dryopteris intermedia **   Dryopteris intermedia **   Dryopteris intermedia **   Dryopteris intermedia **   -all-   37.5 % 7       -none- 3 Acer rubrum Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 27.5 cm ± 2.5 cm     3 stem(s) 32.5 cm ± 2.5 cm     1 stem(s) 37.5 cm ± 2.5 cm     1 stem(s) 4 Osmundastrum cinnamomeum var. cinnamomeum Osmundastrum cinnamomeum var. cinnamomeum **   Osmundastrum cinnamomeum var. cinnamomeum **   Osmundastrum cinnamomeum var. cinnamomeum **   Osmundastrum cinnamomeum var. cinnamomeum **   Osmundastrum cinnamomeum var. cinnamomeum **   Osmundastrum cinnamomeum var. cinnamomeum **   Osmundastrum cinnamomeum var. cinnamomeum **   Osmundastrum cinnamomeum var. cinnamomeum **   -all-   17.5 % 6       -none- 5 Hamamelis virginiana var. virginiana Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     9 stem(s) 7.5 cm ± 2.5 cm     2 stem(s) 6 Acer pensylvanicum Acer pensylvanicum **   Acer pensylvanicum **   Acer pensylvanicum **   Acer pensylvanicum **   Acer pensylvanicum **   Acer pensylvanicum **   Acer pensylvanicum **   Acer pensylvanicum **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7 Quercus rubra Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 37.5 cm ± 2.5 cm     1 stem(s) 8 Oclemena acuminata Oclemena acuminata **   Oclemena acuminata **   Oclemena acuminata **   Oclemena acuminata **   Oclemena acuminata **   Oclemena acuminata **   Oclemena acuminata **   Oclemena acuminata **   -all-   3.5 % 4       -none- 9 Maianthemum canadense Maianthemum canadense **   Maianthemum canadense **   Maianthemum canadense **   Maianthemum canadense **   Maianthemum canadense **   Maianthemum canadense **   Maianthemum canadense **   Maianthemum canadense **   -all-   3.5 % 4       -none- 10 Viola blanda Viola blanda **   Viola blanda **   Viola blanda **   Viola blanda **   Viola blanda **   Viola blanda **   Viola blanda **   Viola blanda **   -all-   3.5 % 4       -none- 11 Athyrium asplenioides Athyrium asplenioides **   Athyrium asplenioides **   Athyrium asplenioides **   Athyrium asplenioides **   Athyrium asplenioides **   Athyrium asplenioides **   Athyrium asplenioides **   Athyrium asplenioides **   -all-   1.5 % 3       -none- 12 Vaccinium erythrocarpum Vaccinium erythrocarpum **   Vaccinium erythrocarpum **   Vaccinium erythrocarpum **   Vaccinium erythrocarpum **   Vaccinium erythrocarpum **   Vaccinium erythrocarpum **   Vaccinium erythrocarpum **   Vaccinium erythrocarpum **   -all-   1.5 % 3       -none- 13 Dennstaedtia punctilobula Dennstaedtia punctilobula **   Dennstaedtia punctilobula **   Dennstaedtia punctilobula **   Dennstaedtia punctilobula **   Dennstaedtia punctilobula **   Dennstaedtia punctilobula **   Dennstaedtia punctilobula **   Dennstaedtia punctilobula **   -all-   1.5 % 3       -none- 14 Parathelypteris noveboracensis Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   -all-   1.5 % 3       -none- 15 Anemone lancifolia Anemone lancifolia **   Anemone lancifolia **   Anemone lancifolia **   Anemone lancifolia **   Anemone lancifolia **   Anemone lancifolia **   Anemone lancifolia **   Anemone lancifolia **   -all-   0.505 % 2       -none- 16 Tiarella cordifolia var. cordifolia Tiarella cordifolia var. cordifolia **   Tiarella cordifolia var. cordifolia **   Tiarella cordifolia var. cordifolia **   Tiarella cordifolia var. cordifolia **   Tiarella cordifolia var. cordifolia **   Tiarella cordifolia var. cordifolia **   Tiarella cordifolia var. cordifolia **   Tiarella cordifolia var. cordifolia **   -all-   0.505 % 2       -none- 17 Agrostis perennans Agrostis perennans **   Agrostis perennans **   Agrostis perennans **   Agrostis perennans **   Agrostis perennans **   Agrostis perennans **   Agrostis perennans **   Agrostis perennans **   -all-   0.505 % 2       -none- 18 Eurybia divaricata Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   -all-   0.505 % 2       -none- 19 Festuca subverticillata Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   -all-   0.505 % 2       -none- 20 Carex leptonervia Carex leptonervia **   Carex leptonervia **   Carex leptonervia **   Carex leptonervia **   Carex leptonervia **   Carex leptonervia **   Carex leptonervia **   Carex leptonervia **   -all-   0.505 % 2       -none- 21 Chelone glabra Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   -all-   0.505 % 2       -none- 22 Galax urceolata Galax urceolata **   Galax urceolata **   Galax urceolata **   Galax urceolata **   Galax urceolata **   Galax urceolata **   Galax urceolata **   Galax urceolata **   -all-   0.505 % 2       -none- 23 Medeola virginiana Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   Medeola virginiana **   -all-   0.505 % 2       -none- 24 Menziesia pilosa Menziesia pilosa **   Menziesia pilosa **   Menziesia pilosa **   Menziesia pilosa **   Menziesia pilosa **   Menziesia pilosa **   Menziesia pilosa **   Menziesia pilosa **   -all-   0.505 % 2       -none- 25 Viola affinis Viola affinis **   Viola affinis **   Viola affinis **   Viola affinis **   Viola affinis **   Viola affinis **   Viola affinis **   Viola affinis **   -all-   0.505 % 2       -none- 26 Dioscorea quaternata Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   -all-   0.505 % 2       -none- 27 Luzula echinata Luzula echinata **   Luzula echinata **   Luzula echinata **   Luzula echinata **   Luzula echinata **   Luzula echinata **   Luzula echinata **   Luzula echinata **   -all-   0.505 % 2       -none- 28 Vaccinium simulatum Vaccinium simulatum **   Vaccinium simulatum **   Vaccinium simulatum **   Vaccinium simulatum **   Vaccinium simulatum **   Vaccinium simulatum **   Vaccinium simulatum **   Vaccinium simulatum **   -all-   0.505 % 2       -none- 29 Viola rotundifolia Viola rotundifolia **   Viola rotundifolia **   Viola rotundifolia **   Viola rotundifolia **   Viola rotundifolia **   Viola rotundifolia **   Viola rotundifolia **   Viola rotundifolia **   -all-   0.505 % 2       -none- 30 Amelanchier arborea Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   -all-   0.505 % 2       -none- 31 Trillium undulatum Trillium undulatum **   Trillium undulatum **   Trillium undulatum **   Trillium undulatum **   Trillium undulatum **   Trillium undulatum **   Trillium undulatum **   Trillium undulatum **   -all-   0.05 % 1       -none- 32 Rubus flagellaris Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   -all-   0.05 % 1       -none- 33 Arisaema triphyllum Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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