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SHNP042
» Citation URL: http://vegbank.org/cite/VB.Ob.25502.SHNP042
» Citing info
Plot ID Fields: 
Author Plot Code ? SHNP042
Author Observation Code ? SHNP042
Original Data Location ? Virginia Natural Heritage Program, Richmond
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy ? 25 m
Confidentiality Status ? NOT IMPLEMENTED: public embargo
Latitude ? 38.3653166666667 º
Longitude ? -78.5324666666667 º
Author Location ? Saddleback Mountain
State or Province ? Virginia
Country ? United States
Named Places
area|country|territory: United States
continent: North America
region|state|province: Virginia
county: Greene
quadrangle: Swift Run Gap
Layout Fields: 
Shape ? Square
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 878 m
Slope Aspect ? 210 º
Slope Gradient ? 25 º
Topographic Position ? High slope
Rock Type ? basalt
Homogeneity ? homogeneous
Hydrologic Regime ? Upland
Soil Moisture Regime ? Submesic
Soil Drainage ? well drained
Percent Wood ? 2 %
Percent Litter ? 28 %
Soil Taxon ? ULTICHAPLUDALFS
Soil Taxon Source ? USDA county soil survey
Methods Fields: 
Observation Start Date ? 28-Jul-1999 ± exact
Date Accuracy ? exact
Project ? Shenandoah National Park
Cover Method ? Virginia Heritage Cover Method
Stratum Method ? VA-Heritage Strata
Stem Size Limit ? 2.5 cm
Taxon Observation Area ? 400
Cover Dispersion ? Entire
Overall Taxon Cover Values are Automatically Calculated? ? no
Stem Observation Area ? 400
Stem Sample Method ? Full census
Plot Quality Fields: 
Effort Level ? Accurate
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Floristic Quality ? High
Overall Plot Vegetation Fields: 
Basal Area ? 47.9215592071414 m²/ha
Tree Cover ? 90 %
Shrub Cover ? 30 %
Field Cover ? 50 %
Nonvascular Cover ? 45 %
Dominant Stratum ? Tree
Misc Fields: 
Observation Narrative ? Vegetation here is a dry mesic boulderfield forest heavily dominated by Fraxinus americana and Tilia americana. The herbaceous flora contains a number of more or less nutrient demanding species, but the overall herbaceous stratum cover is somewhat limited
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 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   tree 20m
62.5 %
8       -none-
2 Tilia americana L. Tilia americana L. Tilia americana American basswood Tilia americana L. **   Tilia americana L. Tilia americana American basswood Tilia americana L. **   tree 20m
17.5 %
6       -none-
3 Quercus rubra L. Quercus rubra L. Quercus rubra northern red oak Quercus rubra L. **   Quercus rubra L. Quercus rubra northern red oak Quercus rubra L. **   tree 20m
7.5 %
5       -none-
4 Tilia americana L. Tilia americana L. Tilia americana American basswood Tilia americana L. **   Tilia americana L. Tilia americana American basswood Tilia americana L. **   tree 10m
17.5 %
6       -none-
5 Tilia americana L. Tilia americana L. Tilia americana American basswood Tilia americana L. **   Tilia americana L. Tilia americana American basswood Tilia americana L. **   tree 6m
17.5 %
6       -none-
6 Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   tree 6m
7.5 %
5       -none-
7 Carya cordiformis (Wangenh.) K. Koch Carya cordiformis (Wangenh.) K. Koch Carya cordiformis bitternut hickory Carya cordiformis (Wangenh.) K. Koch **   Carya cordiformis (Wangenh.) K. Koch Carya cordiformis bitternut hickory Carya cordiformis (Wangenh.) K. Koch **   tree 6m
1.5 %
3       -none-
8 Tilia americana L. Tilia americana L. Tilia americana American basswood Tilia americana L. **   Tilia americana L. Tilia americana American basswood Tilia americana L. **   shrub
17.5 %
6       -none-
9 Ribes rotundifolium Michx. Ribes rotundifolium Michx. Ribes rotundifolium Appalachian gooseberry Ribes rotundifolium Michx. **   Ribes rotundifolium Michx. Ribes rotundifolium Appalachian gooseberry Ribes rotundifolium Michx. **   shrub
3.5 %
4       -none-
10 Prunus virginiana L. Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   shrub
3.5 %
4       -none-
11 Carya ovata (P. Mill.) K. Koch Carya ovata (P. Mill.) K. Koch Carya ovata shagbark hickory Carya ovata (P. Mill.) K. Koch **   Carya ovata (P. Mill.) K. Koch Carya ovata shagbark hickory Carya ovata (P. Mill.) K. Koch **   shrub
1.5 %
3       -none-
12 Corylus cornuta Marsh. var. cornuta Corylus cornuta Marsh. var. cornuta Corylus cornuta var. cornuta beaked hazelnut Corylus cornuta Marsh. var. cornuta **   Corylus cornuta Marsh. var. cornuta Corylus cornuta var. cornuta beaked hazelnut Corylus cornuta Marsh. var. cornuta **   shrub
1.5 %
3       -none-
13 Celtis occidentalis L. Celtis occidentalis L. Celtis occidentalis common hackberry Celtis occidentalis L. **   Celtis occidentalis L. Celtis occidentalis common hackberry Celtis occidentalis L. **   shrub
1.5 %
3       -none-
14 Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   Ostrya virginiana (P. Mill.) K. Koch Ostrya virginiana hophornbeam Ostrya virginiana (P. Mill.) K. Koch **   shrub
1.5 %
3       -none-
15 Carya cordiformis (Wangenh.) K. Koch Carya cordiformis (Wangenh.) K. Koch Carya cordiformis bitternut hickory Carya cordiformis (Wangenh.) K. Koch **   Carya cordiformis (Wangenh.) K. Koch Carya cordiformis bitternut hickory Carya cordiformis (Wangenh.) K. Koch **   shrub
1.5 %
3       -none-
16 Robinia pseudoacacia L. Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   shrub
1.5 %
3       -none-
17 Smilax tamnoides L. Smilax tamnoides L. Smilax tamnoides bristly greenbrier Smilax tamnoides L. **   Smilax tamnoides L. Smilax tamnoides bristly greenbrier Smilax tamnoides L. **   shrub
0.55 %
2       -none-
18 Acer negundo L. Acer negundo L. Acer negundo boxelder Acer negundo L. **   Acer negundo L. Acer negundo boxelder Acer negundo L. **   shrub
0.05 %
1       -none-
19 Parthenocissus quinquefolia (L.) Planch. Parthenocissus quinquefolia (L.) Planch. Parthenocissus quinquefolia Virginia creeper Parthenocissus quinquefolia (L.) Planch. **   Parthenocissus quinquefolia (L.) Planch. Parthenocissus quinquefolia Virginia creeper Parthenocissus quinquefolia (L.) Planch. **   woody seedlings
7.5 %
5       -none-
20 Prunus virginiana L. Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   woody seedlings
3.5 %
4       -none-
21 Smilax tamnoides L. Smilax tamnoides L. Smilax tamnoides bristly greenbrier Smilax tamnoides L. **   Smilax tamnoides L. Smilax tamnoides bristly greenbrier Smilax tamnoides L. **   woody seedlings
1.5 %
3       -none-
22 Tilia americana L. Tilia americana L. Tilia americana American basswood Tilia americana L. **   Tilia americana L. Tilia americana American basswood Tilia americana L. **   woody seedlings
0.55 %
2       -none-
23 Carya ovata (P. Mill.) K. Koch Carya ovata (P. Mill.) K. Koch Carya ovata shagbark hickory Carya ovata (P. Mill.) K. Koch **   Carya ovata (P. Mill.) K. Koch Carya ovata shagbark hickory Carya ovata (P. Mill.) K. Koch **   woody seedlings
0.55 %
2       -none-
24 Hydrangea arborescens L. Hydrangea arborescens L. Hydrangea arborescens wild hydrangea Hydrangea arborescens L. **   Hydrangea arborescens L. Hydrangea arborescens wild hydrangea Hydrangea arborescens L. **   woody seedlings
0.55 %
2       -none-
25 Ribes rotundifolium Michx. Ribes rotundifolium Michx. Ribes rotundifolium Appalachian gooseberry Ribes rotundifolium Michx. **   Ribes rotundifolium Michx. Ribes rotundifolium Appalachian gooseberry Ribes rotundifolium Michx. **   woody seedlings
0.55 %
2       -none-
26 Quercus rubra L. Quercus rubra L. Quercus rubra northern red oak Quercus rubra L. **   Quercus rubra L. Quercus rubra northern red oak Quercus rubra L. **   woody seedlings
0.55 %
2       -none-
27 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   woody seedlings
0.55 %
2       -none-
28 Robinia pseudoacacia L. Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   Robinia pseudoacacia L. Robinia pseudoacacia black locust Robinia pseudoacacia L. **   woody seedlings
0.05 %
1       -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
shrub 0.5 m 6 m 37.5 %
tree 20m 20 m 35 m 85 %
tree 10m 10 m 20 m 17.5 %
tree 6m 6 m 10 m 37.5 %
woody seedlings 0 m 0.5 m 17.5 %
Herb 0 m   50 %
tree 35m 35 m    
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Parrish, Shelly Field assistant
Fleming, Gary PI
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 28-Feb-2001
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Low-Elevation Boulderfield Forest / Woodland Absolutely correct High   no
Fleming, Gary
Details 28-Feb-2001
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Tilia americana - Fraxinus americana / Acer pensylvanicum / Parthenocissus quinquefolia - Impatiens pallida Woodland Absolutely correct High   no
Fleming, Gary


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 ?
A       38.939998626709 %           5.2 38.6100006103516 57.7999992370605 % Profile development uncertain. Organic rich loamy material with many small rocks present in small interstitial pockets among surficial and subsurficial stones and boulders. Vey difficult to extract sample.


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Herbivory, vertebrates   Noticeable deer grazing on Polymia canadensis.
Other disturbances   Wind/Ice damage
Plant disease   Chestnut blight
Timber harvest, general   Logged > 65 years ago.


User Defined Values
No User Defined Data for this plot