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THRO.60
» Citation URL: http://vegbank.org/cite/VB.Ob.4156.THRO60
» Citing info
Plot ID Fields: 
Author Plot Code ? THRO.60
Author Observation Code ? THRO.60
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 46.996742556 º
Longitude ? -103.543591656 º
Author Location ? THRO -- South Unit
Location Narrative ? The plot is located eastern edge of the petrified forest plateau accessed via the Petrified Forest Loop Trail.
State or Province ? North Dakota
Country ? United States
Named Places
area|country|territory: United States
region|state|province: North Dakota
quadrangle: Medora
Layout Fields: 
Shape ? Square
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 829 m
Slope Aspect ? 135 º
Slope Gradient ? 10 º
Topographic Position ? Midslope
Landform ? slope
Rock Type ? sedimentary, unspecified
Landscape Narrative ? Good reproduction of green ash (Fraxinus pennsylvanica) trees in plot. A fair amount of aspen seedlings (suckers) throughout the area but no aspen saplings. -- Landscape is hummocky with slumps and wide drainages.
Representativeness ? Representative of the rare aspen (Populus tremuloides) communty found along the eastern edge of the
Soil Drainage ? well drained
Soil Depth ? 0 m
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 0 %
Percent Wood ? 5 %
Percent Litter ? 90 %
Percent Bare Soil ? 0 %
Percent Water ? 0 %
Percent Other ? 0 %
Methods Fields: 
Observation Start Date ? 11-Jul-1997
Observation End Date ? 11-Jul-1997
Project ? Theodore Roosevelt National Park
Cover Method ? NPS CoverMethod
Stratum Method ? National Park Service
Stem Size Limit ? 10 cm
Taxon Observation Area ? 400
Cover Dispersion ? contiguous
Overall Taxon Cover Values are Automatically Calculated? ? yes
Stem Sample Method ? full census
Plot Quality Fields: 
Effort Level ? Thorough
Floristic Quality ? High but incomplete
Bryophyte Quality ? Very incomplete
Lichen Quality ? Very incomplete
Overall Plot Vegetation Fields: 
--no data--
Misc Fields: 
Observation Narrative ? One large aspen tree outside of the plot.
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 Populus tremuloides Michx. Populus tremuloides Michx. Populus tremuloides quaking aspen Populus tremuloides Michx. **   Populus tremuloides Michx. Populus tremuloides quaking aspen Populus tremuloides Michx. **   Canopy
37.5 %
04      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
10 cm       1 stem(s)
10 cm       1 stem(s)
10.1 cm       1 stem(s)
10.1 cm       1 stem(s)
10.3 cm       1 stem(s)
10.5 cm       1 stem(s)
10.7 cm       1 stem(s)
11 cm       1 stem(s)
11.2 cm       1 stem(s)
11.5 cm       1 stem(s)
11.5 cm       1 stem(s)
12 cm       1 stem(s)
13.1 cm       1 stem(s)
13.1 cm       1 stem(s)
13.5 cm       1 stem(s)
13.6 cm       1 stem(s)
14.3 cm       1 stem(s)
14.4 cm       1 stem(s)
14.5 cm       1 stem(s)
14.6 cm       1 stem(s)
16.4 cm       1 stem(s)
16.9 cm       1 stem(s)
17 cm       1 stem(s)
17 cm       1 stem(s)
18.5 cm       1 stem(s)
19.2 cm       1 stem(s)
stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem
2 Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Canopy
15 %
03      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
10 cm       1 stem(s)
11.3 cm       1 stem(s)
23.2 cm       1 stem(s)
27 cm       1 stem(s)
28.5 cm       1 stem(s)
32.3 cm       1 stem(s)
stem stem stem stem stem stem
3 Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Sub-Canopy
2.5 %
02       -none-
4 Populus tremuloides Michx. Populus tremuloides Michx. Populus tremuloides quaking aspen Populus tremuloides Michx. **   Populus tremuloides Michx. Populus tremuloides quaking aspen Populus tremuloides Michx. **   Sub-Canopy
2.5 %
02       -none-
5 Prunus virginiana L. Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Tall Shrub
15 %
03       -none-
6 Cornus sericea L. ssp. sericea Cornus sericea L. ssp. sericea Cornus sericea ssp. sericea redosier dogwood Cornus sericea L. ssp. sericea **   Cornus sericea L. ssp. sericea Cornus sericea ssp. sericea redosier dogwood Cornus sericea L. ssp. sericea **   Tall Shrub
15 %
03       -none-
7 Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer Amelanchier alnifolia Saskatoon serviceberry Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer **   Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer Amelanchier alnifolia Saskatoon serviceberry Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer **   Tall Shrub
0.5 %
01       -none-
8 Apocynum cannabinum L. Apocynum cannabinum L. Apocynum cannabinum Indianhemp Apocynum cannabinum L. **   Apocynum cannabinum L. Apocynum cannabinum Indianhemp Apocynum cannabinum L. **   Short Shrub
15 %
03       -none-
9 Prunus virginiana L. Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Short Shrub
2.5 %
02       -none-
10 Rhus trilobata Nutt. Rhus trilobata Nutt. Rhus trilobata skunkbush sumac Rhus trilobata Nutt. **   Rhus trilobata Nutt. Rhus trilobata skunkbush sumac Rhus trilobata Nutt. **   Short Shrub
0.5 %
01       -none-
11 Symphoricarpos occidentalis Hook. Symphoricarpos occidentalis Hook. Symphoricarpos occidentalis western snowberry Symphoricarpos occidentalis Hook. **   Symphoricarpos occidentalis Hook. Symphoricarpos occidentalis western snowberry Symphoricarpos occidentalis Hook. **   Short Shrub
0.5 %
01       -none-
12 Juniperus communis L. Juniperus communis L. Juniperus communis common juniper Juniperus communis L. **   Juniperus communis L. Juniperus communis common juniper Juniperus communis L. **   Short Shrub
0.5 %
01       -none-
13 Ribes aureum Pursh var. villosum DC. Ribes aureum Pursh var. villosum DC. Ribes aureum var. villosum golden currant Ribes aureum Pursh var. villosum DC. **   Ribes aureum Pursh var. villosum DC. Ribes aureum var. villosum golden currant Ribes aureum Pursh var. villosum DC. **   Short Shrub
0.5 %
01       -none-
14 Rosa woodsii Lindl. Rosa woodsii Lindl. Rosa woodsii Woods' rose Rosa woodsii Lindl. **   Rosa woodsii Lindl. Rosa woodsii Woods' rose Rosa woodsii Lindl. **   Short Shrub
0.5 %
01       -none-
15 Viola L. Viola L. Viola violet Viola L. **   Viola L. Viola violet Viola L. **   Herbaceous
0.5 %
01       -none-
16 Maianthemum stellatum (L.) Link Maianthemum stellatum (L.) Link Maianthemum stellatum starry false lily of the vally Maianthemum stellatum (L.) Link **   Maianthemum stellatum (L.) Link Maianthemum stellatum starry false lily of the vally Maianthemum stellatum (L.) Link **   Herbaceous
0.5 %
01       -none-
17 Carex brevior (Dewey) Mackenzie Carex brevior (Dewey) Mackenzie Carex brevior shortbeak sedge Carex brevior (Dewey) Mackenzie **   Carex brevior (Dewey) Mackenzie Carex brevior shortbeak sedge Carex brevior (Dewey) Mackenzie **   Herbaceous
0.5 %
01       -none-
18 Poa compressa L. Poa compressa L. Poa compressa Canada bluegrass Poa compressa L. **   Poa compressa L. Poa compressa Canada bluegrass Poa compressa L. **   Herbaceous
0.5 %
01       -none-
19 Poa pratensis L. Poa pratensis L. Poa pratensis Kentucky bluegrass Poa pratensis L. **   Poa pratensis L. Poa pratensis Kentucky bluegrass Poa pratensis L. **   Herbaceous
0.5 %
01       -none-
20 Lysimachia ciliata L. Lysimachia ciliata L. Lysimachia ciliata fringed loosestrife Lysimachia ciliata L. **   Lysimachia ciliata L. Lysimachia ciliata fringed loosestrife Lysimachia ciliata L. **   Herbaceous
0.5 %
01       -none-
21 Monarda fistulosa L. Monarda fistulosa L. Monarda fistulosa wild bergamot Monarda fistulosa L. **   Monarda fistulosa L. Monarda fistulosa wild bergamot Monarda fistulosa L. **   Herbaceous
0.5 %
01       -none-
22 Elymus canadensis L. Elymus canadensis L. Elymus canadensis Canada wildrye Elymus canadensis L. **   Elymus canadensis L. Elymus canadensis Canada wildrye Elymus canadensis L. **   Herbaceous
0.5 %
01       -none-
23 Oligoneuron rigidum (L.) Small var. rigidum Oligoneuron rigidum (L.) Small var. rigidum Oligoneuron rigidum var. rigidum stiff goldenrod Oligoneuron rigidum (L.) Small var. rigidum **   Oligoneuron rigidum (L.) Small var. rigidum Oligoneuron rigidum var. rigidum stiff goldenrod Oligoneuron rigidum (L.) Small var. rigidum **   Herbaceous
0.5 %
01       -none-
24 Galium boreale L. Galium boreale L. Galium boreale northern bedstraw Galium boreale L. **   Galium boreale L. Galium boreale northern bedstraw Galium boreale L. **   Herbaceous
0.5 %
01       -none-
25 Parthenocissus vitacea (Knerr) A.S. Hitchc. Parthenocissus vitacea (Knerr) A.S. Hitchc. Parthenocissus vitacea woodbine Parthenocissus vitacea (Knerr) A.S. Hitchc. **   Parthenocissus vitacea (Knerr) A.S. Hitchc. Parthenocissus vitacea woodbine Parthenocissus vitacea (Knerr) A.S. Hitchc. **   Vine/Liana
0.5 %
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 10 m 15 m 30 %
Dwarf Shrub     0 %
Emergent     0 %
Epiphyte     0 %
Herbaceous   0.5 m 20 %
Nonvascular     0 %
Short Shrub 1 m 2 m 30 %
Sub-Canopy 5 m 10 m 5 %
Tall Shrub 2 m 5 m 30 %
Vine/Liana   0.5 m 0 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Drake, Jim PI
Butler, Jack Plot author
West, Keldyn Field assistant
Dekker, Brent Field assistant
Root, Ralph Field assistant
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Jul-1999
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Populus tremuloides / Prunus virginiana Woodland       no
Faber-Langendoen, Don
Drake, Jim
Marriott, Hollis


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         Silt Loam                


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   (none)
Animal, general   Song bird activity in plot. Elk scat in plot.


User Defined Values
No User Defined Data for this plot