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SHNP636
» Citation URL: http://vegbank.org/cite/VB.Ob.25727.SHNP636
» Citing info
Plot ID Fields: 
Author Plot Code ? SHNP636
Author Observation Code ? SHNP636
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 ? 38.6297055555556 º
Longitude ? -78.3076055555556 º
Author Location ? Hazel River
State or Province ? Virginia
Country ? United States
Named Places
area|country|territory: United States
quadrangle: Thornton Gap
continent: North America
region|state|province: Virginia
county: Rappahannock
Layout Fields: 
Shape ? Square
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 725 m
Slope Aspect ? 107 º
Slope Gradient ? 2 º
Topographic Position ? Low level
Homogeneity ? homogeneous
Hydrologic Regime ? Saturated
Soil Moisture Regime ? Subhydric
Soil Drainage ? poorly drained
Percent Wood ? 8 %
Percent Litter ? 78 %
Percent Bare Soil ? 2 %
Percent Water ? 4 %
Soil Taxon Source ? USDA county soil survey
Methods Fields: 
Observation Start Date ? 16-Jul-2002 ± exact
Date Accuracy ? exact
Project ? Shenandoah National Park
Cover Method ? Virginia Heritage Cover Method
Stratum Method ? VA-Heritage Strata
Stem Size Limit ? 1 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 ? 32.0955908345059 m²/ha
Tree Height ? 27 m
Nonvascular Cover ? 40 %
Dominant Stratum ? Tree
Misc Fields: 
Observation Narrative ? Canopy much more open following hemlock mortality and fire. Few if any exotics. SOIL METHODS: Upper 10 cm (approximately) of mineral soil extracted for analysis. Cation concentrations determined by Mehlich III extraction method. Analysis performed at
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 Betula alleghaniensis Britt. Betula alleghaniensis Britt. Betula alleghaniensis yellow birch Betula alleghaniensis Britt. **   Betula alleghaniensis Britt. Betula alleghaniensis yellow birch Betula alleghaniensis Britt. **   tree 20m
37.5 %
7       -none-
2 Liriodendron tulipifera L. Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   tree 20m
17.5 %
6       -none-
3 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
17.5 %
6       -none-
4 Betula alleghaniensis Britt. Betula alleghaniensis Britt. Betula alleghaniensis yellow birch Betula alleghaniensis Britt. **   Betula alleghaniensis Britt. Betula alleghaniensis yellow birch Betula alleghaniensis Britt. **   tree 10m
7.5 %
5       -none-
5 Acer rubrum L. Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   tree 6m
7.5 %
5       -none-
6 Lindera benzoin (L.) Blume Lindera benzoin (L.) Blume Lindera benzoin northern spicebush Lindera benzoin (L.) Blume **   Lindera benzoin (L.) Blume Lindera benzoin northern spicebush Lindera benzoin (L.) Blume **   shrub
17.5 %
6       -none-
7 Acer pensylvanicum L. Acer pensylvanicum L. Acer pensylvanicum striped maple Acer pensylvanicum L. **   Acer pensylvanicum L. Acer pensylvanicum striped maple Acer pensylvanicum L. **   shrub
7.5 %
5       -none-
8 Liriodendron tulipifera L. Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   shrub
3.5 %
4       -none-
9 Smilax rotundifolia L. Smilax rotundifolia L. Smilax rotundifolia roundleaf greenbrier Smilax rotundifolia L. **   Smilax rotundifolia L. Smilax rotundifolia roundleaf greenbrier Smilax rotundifolia L. **   shrub
3.5 %
4       -none-
10 Ilex montana Torr. & Gray ex Gray Ilex montana Torr. & Gray ex Gray Ilex montana mountain holly Ilex montana Torr. & Gray ex Gray **   Ilex montana Torr. & Gray ex Gray Ilex montana mountain holly Ilex montana Torr. & Gray ex Gray **   shrub
1.5 %
3       -none-
11 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   shrub
1.5 %
3       -none-
12 Tsuga canadensis (L.) Carr. Tsuga canadensis (L.) Carr. Tsuga canadensis eastern hemlock Tsuga canadensis (L.) Carr. **   Tsuga canadensis (L.) Carr. Tsuga canadensis eastern hemlock Tsuga canadensis (L.) Carr. **   shrub
1.5 %
3       -none-
13 Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   shrub
1.5 %
3       -none-
14 Amelanchier laevis Wieg. Amelanchier laevis Wieg. Amelanchier laevis Allegheny serviceberry Amelanchier laevis Wieg. **   Amelanchier laevis Wieg. Amelanchier laevis Allegheny serviceberry Amelanchier laevis Wieg. **   shrub
1.5 %
3       -none-
15 Hamamelis virginiana L. Hamamelis virginiana L. Hamamelis virginiana American witchhazel Hamamelis virginiana L. **   Hamamelis virginiana L. Hamamelis virginiana American witchhazel Hamamelis virginiana L. **   shrub
1.5 %
3       -none-
16 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. **   shrub
0.55 %
2       -none-
17 Betula alleghaniensis Britt. Betula alleghaniensis Britt. Betula alleghaniensis yellow birch Betula alleghaniensis Britt. **   Betula alleghaniensis Britt. Betula alleghaniensis yellow birch Betula alleghaniensis Britt. **   woody seedlings
7.5 %
5       -none-
18 Liriodendron tulipifera L. Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   woody seedlings
3.5 %
4       -none-
19 Acer rubrum L. Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   woody seedlings
3.5 %
4       -none-
20 Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   Symphoricarpos orbiculatus Moench Symphoricarpos orbiculatus coralberry Symphoricarpos orbiculatus Moench **   woody seedlings
3.5 %
4       -none-
21 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
1.5 %
3       -none-
22 Sassafras albidum (Nutt.) Nees Sassafras albidum (Nutt.) Nees Sassafras albidum sassafras Sassafras albidum (Nutt.) Nees **   Sassafras albidum (Nutt.) Nees Sassafras albidum sassafras Sassafras albidum (Nutt.) Nees **   woody seedlings
1.5 %
3       -none-
23 Acer pensylvanicum L. Acer pensylvanicum L. Acer pensylvanicum striped maple Acer pensylvanicum L. **   Acer pensylvanicum L. Acer pensylvanicum striped maple Acer pensylvanicum L. **   woody seedlings
1.5 %
3       -none-
24 Kalmia latifolia L. Kalmia latifolia L. Kalmia latifolia mountain laurel Kalmia latifolia L. **   Kalmia latifolia L. Kalmia latifolia mountain laurel Kalmia latifolia L. **   woody seedlings
0.55 %
2       -none-
25 Tsuga canadensis (L.) Carr. Tsuga canadensis (L.) Carr. Tsuga canadensis eastern hemlock Tsuga canadensis (L.) Carr. **   Tsuga canadensis (L.) Carr. Tsuga canadensis eastern hemlock Tsuga canadensis (L.) Carr. **   woody seedlings
0.55 %
2       -none-
26 Toxicodendron radicans (L.) Kuntze Toxicodendron radicans (L.) Kuntze Toxicodendron radicans eastern poison ivy Toxicodendron radicans (L.) Kuntze **   Toxicodendron radicans (L.) Kuntze Toxicodendron radicans eastern poison ivy Toxicodendron radicans (L.) Kuntze **   woody seedlings
0.55 %
2       -none-
27 Viburnum acerifolium L. Viburnum acerifolium L. Viburnum acerifolium mapleleaf viburnum Viburnum acerifolium L. **   Viburnum acerifolium L. Viburnum acerifolium mapleleaf viburnum Viburnum acerifolium L. **   woody seedlings
0.55 %
2       -none-
28 Pinus strobus L. Pinus strobus L. Pinus strobus eastern white pine Pinus strobus L. **   Pinus strobus L. Pinus strobus eastern white pine Pinus strobus L. **   woody seedlings
0.55 %
2       -none-
29 Prunus serotina Ehrh. var. serotina Prunus serotina Ehrh. var. serotina Prunus serotina var. serotina black cherry Prunus serotina Ehrh. var. serotina **   Prunus serotina Ehrh. var. serotina Prunus serotina var. serotina black cherry Prunus serotina Ehrh. var. serotina **   woody seedlings
0.05 %
1       -none-
30 Nyssa sylvatica Marsh. Nyssa sylvatica Marsh. Nyssa sylvatica blackgum Nyssa sylvatica Marsh. **   Nyssa sylvatica Marsh. Nyssa sylvatica blackgum Nyssa sylvatica Marsh. **   woody seedlings
0.05 %
1       -none-
31 Ailanthus altissima (P. Mill.) Swingle Ailanthus altissima (P. Mill.) Swingle Ailanthus altissima tree of heaven Ailanthus altissima (P. Mill.) Swingle **   Ailanthus altissima (P. Mill.) Swingle Ailanthus altissima tree of heaven Ailanthus altissima (P. Mill.) Swingle **   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 ?
tree 35m 35 m    
tree 20m 20 m 35 m 62.5 %
Herb 0 m    
tree 10m 10 m 20 m 7.5 %
tree 6m 6 m 10 m 7.5 %
shrub 0.5 m 6 m 37.5 %
woody seedlings 0 m 0.5 m 17.5 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Burka, J. Field assistant
Fleming, Gary Data Manager
Walton, Dean PI
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 10-Feb-2004
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
High-Elevation Seepage Swamp       no
Fleming, Gary
Details 10-Feb-2004
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Tsuga canadensis - Betula alleghaniensis / Veratrum viride - Carex scabrata - Oclemena acuminata Swamp Forest       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       9.30000019073486 %           4.3 13.9099998474121 35.4199981689453 %  


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
Fire, general   Site burned ca. 4 years ago.
Herbivory, invertebrate   Hemlock woolly adelgid


User Defined Values
No User Defined Data for this plot