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HAFE.22
» Citation URL: http://vegbank.org/cite/VB.Ob.3554.HAFE22
» Citing info
Plot ID Fields: 
Author Plot Code ? HAFE.22
Author Observation Code ? HAFE.22
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy ? 5000 m
Confidentiality Status ? exact location
Latitude ? 39.32159 º
Longitude ? -77.72455 º
Author Location ? HAFE -- Loudoun Heights, West Virginia
Location Narrative ? Slope above Potomac River, ca. 0.3 mile downriver from confluence with Shenandoah River.
State or Province ? West Virginia
Country ? United States
Named Places
quadrangle: Harpers Ferry
region|state|province: West Virginia
area|country|territory: United States
Layout Fields: 
Shape ? Circle
Area ? 1256.63706
Permanence ? not permanent
Environment Fields: 
Elevation ? 203 m
Slope Aspect ? 0 º
Slope Gradient ? 20.5 º
Topographic Position ? Midslope
Landform ? mountain(s)
Rock Type ? quartzite
Landscape Narrative ? Steep north facing mid-slopes with mixed evergreen/deciduous forest dominated by hemlock, chestnut oak, and sweet birch, with maple-leafed viburnum and marginal shield fern as typical shrub and fern indicators of relatively cool moist conditions. Hemlock appears to be dying off due to comptition (?) or wooly adelgid (?). -- Small patches of hemlock dominance embedded in similar matrix community of north face lacking hemlock. Hypothosized from winter infra-red photo red signiture that hemlock is more dominant in draws.
Representativeness ? Represents cool north facing slopes of Louidon Heights with presence of hemlock neither scarce nor
Soil Drainage ? moderately well drained
Soil Depth ? 0.2 m
Percent Bedrock ? 2 %
Percent Rock / Gravel ? 18 %
Percent Wood ? 5 %
Percent Litter ? 15 %
Percent Bare Soil ? 0 %
Percent Water ? 0 %
Percent Other ? 0 %
Methods Fields: 
Observation Start Date ? 08-Oct-1999
Observation End Date ? 08-Oct-1999
Project ? Harpers Ferry National Historic Park
Cover Method ? NPS CoverMethod
Stratum Method ? National Park Service
Stem Size Limit ? 10 cm
Taxon Observation Area ? 1256.63706
Cover Dispersion ? contiguous
Overall Taxon Cover Values are Automatically Calculated? ? yes
Stem Sample Method ? full census
Plot Quality Fields: 
Effort Level ? Thorough
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Floristic Quality ? High but incomplete
Bryophyte Quality ? Very incomplete
Lichen Quality ? Very incomplete
Overall Plot Vegetation Fields: 
--no data--
Misc Fields: 
--no data--
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 Quercus velutina Lam. Quercus velutina Lam. Quercus velutina black oak Quercus velutina Lam. **   Quercus velutina Lam. Quercus velutina black oak Quercus velutina Lam. **   Canopy
20 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
40 cm       1 stem(s)
stem
2 Quercus prinus L. Quercus prinus L. Quercus prinus chestnut oak Quercus prinus L. **   Quercus prinus L. Quercus prinus chestnut oak Quercus prinus L. **   Canopy
15 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
26 cm       1 stem(s)
stem
3 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. **   Canopy
15 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
48 cm       1 stem(s)
stem
4 Nyssa sylvatica Marsh. Nyssa sylvatica Marsh. Nyssa sylvatica blackgum Nyssa sylvatica Marsh. **   Nyssa sylvatica Marsh. Nyssa sylvatica blackgum Nyssa sylvatica Marsh. **   Canopy
10 %
03       -none-
5 Liriodendron tulipifera L. Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   Liriodendron tulipifera L. Liriodendron tulipifera tuliptree Liriodendron tulipifera L. **   Canopy
10 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
58 cm       1 stem(s)
stem
6 Betula lenta L. Betula lenta L. Betula lenta sweet birch Betula lenta L. **   Betula lenta L. Betula lenta sweet birch Betula lenta L. **   Sub-Canopy
25 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
11 cm       1 stem(s)
14 cm       1 stem(s)
15 cm       1 stem(s)
16 cm       1 stem(s)
24 cm       1 stem(s)
25 cm       1 stem(s)
26 cm       1 stem(s)
stem stem stem stem stem stem stem
7 Acer rubrum L. Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Sub-Canopy
15 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
20 cm       1 stem(s)
stem
8 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 **   Sub-Canopy
15 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
26 cm       1 stem(s)
30 cm       1 stem(s)
stem stem
9 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. **   Sub-Canopy
15 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
11 cm       1 stem(s)
11 cm       1 stem(s)
16 cm       1 stem(s)
stem stem stem
10 Hamamelis virginiana L. Hamamelis virginiana L. Hamamelis virginiana American witchhazel Hamamelis virginiana L. **   Hamamelis virginiana L. Hamamelis virginiana American witchhazel Hamamelis virginiana L. **   Tall Shrub
15 %
03       -none-
11 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 **   Tall Shrub
15 %
03       -none-
12 Cornus florida L. Cornus florida L. Cornus florida flowering dogwood Cornus florida L. **   Cornus florida L. Cornus florida flowering dogwood Cornus florida L. **   Tall Shrub
10 %
03       -none-
13 Acer saccharum Marsh. Acer saccharum Marsh. Acer saccharum sugar maple Acer saccharum Marsh. **   Acer saccharum Marsh. Acer saccharum sugar maple Acer saccharum Marsh. **   Tall Shrub
10 %
03       -none-
14 Hydrangea arborescens L. Hydrangea arborescens L. Hydrangea arborescens wild hydrangea Hydrangea arborescens L. **   Hydrangea arborescens L. Hydrangea arborescens wild hydrangea Hydrangea arborescens L. **   Tall Shrub
5 %
02       -none-
15 Viburnum acerifolium L. Viburnum acerifolium L. Viburnum acerifolium mapleleaf viburnum Viburnum acerifolium L. **   Viburnum acerifolium L. Viburnum acerifolium mapleleaf viburnum Viburnum acerifolium L. **   Tall Shrub
3 %
02       -none-
16 Asimina triloba (L.) Dunal Asimina triloba (L.) Dunal Asimina triloba pawpaw Asimina triloba (L.) Dunal **   Asimina triloba (L.) Dunal Asimina triloba pawpaw Asimina triloba (L.) Dunal **   Tall Shrub
1 %
01       -none-
17 Acer rubrum L. Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Tall Shrub
1 %
01       -none-
18 Fraxinus americana L. Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Fraxinus americana L. Fraxinus americana white ash Fraxinus americana L. **   Tall Shrub
0.5 %
01       -none-
19 Hamamelis virginiana L. Hamamelis virginiana L. Hamamelis virginiana American witchhazel Hamamelis virginiana L. **   Hamamelis virginiana L. Hamamelis virginiana American witchhazel Hamamelis virginiana L. **   Short Shrub
10 %
03       -none-
20 Viburnum acerifolium L. Viburnum acerifolium L. Viburnum acerifolium mapleleaf viburnum Viburnum acerifolium L. **   Viburnum acerifolium L. Viburnum acerifolium mapleleaf viburnum Viburnum acerifolium L. **   Short Shrub
10 %
03       -none-
21 Acer rubrum L. Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Acer rubrum L. Acer rubrum red maple Acer rubrum L. **   Short Shrub
5 %
02       -none-
22 Kalmia latifolia L. Kalmia latifolia L. Kalmia latifolia mountain laurel Kalmia latifolia L. **   Kalmia latifolia L. Kalmia latifolia mountain laurel Kalmia latifolia L. **   Short Shrub
1 %
01       -none-
23 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. **   Short Shrub
1 %
01       -none-
24 Quercus prinus L. Quercus prinus L. Quercus prinus chestnut oak Quercus prinus L. **   Quercus prinus L. Quercus prinus chestnut oak Quercus prinus L. **   Short Shrub
1 %
01       -none-
25 Rhododendron periclymenoides (Michx.) Shinners Rhododendron periclymenoides (Michx.) Shinners Rhododendron periclymenoides pink azalea Rhododendron periclymenoides (Michx.) Shinners **   Rhododendron periclymenoides (Michx.) Shinners Rhododendron periclymenoides pink azalea Rhododendron periclymenoides (Michx.) Shinners **   Short Shrub
0.5 %
01       -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 **   Short Shrub
0.5 %
01       -none-
27 Prunus serotina Ehrh. Prunus serotina Ehrh. Prunus serotina black cherry Prunus serotina Ehrh. **   Prunus serotina Ehrh. Prunus serotina black cherry Prunus serotina Ehrh. **   Short Shrub
0.5 %
01       -none-
28 Aralia nudicaulis L. Aralia nudicaulis L. Aralia nudicaulis wild sarsaparilla Aralia nudicaulis L. **   Aralia nudicaulis L. Aralia nudicaulis wild sarsaparilla Aralia nudicaulis L. **   Herbaceous
20 %
03       -none-
29 Aster divaricatus L. Aster divaricatus L. Aster divaricatus Aster divaricatus L. **   Aster divaricatus L. **   Aster divaricatus L. Aster divaricatus Aster divaricatus L. **   Aster divaricatus L. **   Herbaceous
10 %
03       -none-
30 Dryopteris marginalis (L.) Gray Dryopteris marginalis (L.) Gray Dryopteris marginalis marginal woodfern Dryopteris marginalis (L.) Gray **   Dryopteris marginalis (L.) Gray Dryopteris marginalis marginal woodfern Dryopteris marginalis (L.) Gray **   Herbaceous
5 %
02       -none-
31 Solidago caesia L. Solidago caesia L. Solidago caesia wreath goldenrod Solidago caesia L. **   Solidago caesia L. Solidago caesia wreath goldenrod Solidago caesia L. **   Herbaceous
3 %
02       -none-
32 Alliaria petiolata (Bieb.) Cavara & Grande Alliaria petiolata (Bieb.) Cavara & Grande Alliaria petiolata garlic mustard Alliaria petiolata (Bieb.) Cavara & Grande **   Alliaria petiolata (Bieb.) Cavara & Grande Alliaria petiolata garlic mustard Alliaria petiolata (Bieb.) Cavara & Grande **   Herbaceous
1 %
01       -none-
33 Dioscorea quaternata J.F. Gmel. Dioscorea quaternata J.F. Gmel. Dioscorea quaternata fourleaf yam Dioscorea quaternata J.F. Gmel. **   Dioscorea quaternata J.F. Gmel. Dioscorea quaternata fourleaf yam Dioscorea quaternata J.F. Gmel. **   Herbaceous
1 %
01       -none-
34 Conopholis americana (L.) Wallr. f. Conopholis americana (L.) Wallr. f. Conopholis americana American squawroot Conopholis americana (L.) Wallr. f. **   Conopholis americana (L.) Wallr. f. Conopholis americana American squawroot Conopholis americana (L.) Wallr. f. **   Herbaceous
0.5 %
01       -none-
35 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. **   Vine/Liana
1 %
01       -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
Canopy 20 m 35 m 70 %
Dwarf Shrub     0 %
Emergent     0 %
Epiphyte     0 %
Herbaceous   0.5 m 20 %
Nonvascular     0 %
Short Shrub 0.5 m 1 m 50 %
Sub-Canopy 10 m 15 m 70 %
Tall Shrub 1 m 2 m 60 %
Vine/Liana     5 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Vanderhorst, Jim PI
Rouse, Monica Field assistant
Rouse, Garrie Plot author
Community Classification:
No communties have been assigned to this plot.


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 ?
unknown         Sandy Loams: Sandy Loam                


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Hemlock dying, possibly due to infestation of wooly adelgid.


User Defined Values
No User Defined Data for this plot