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THRO.118
» Citation URL: http://vegbank.org/cite/VB.Ob.4241.THRO118
» Citing info
Plot ID Fields: 
Author Plot Code ? THRO.118
Author Observation Code ? THRO.118
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 47.559177437 º
Longitude ? -103.368852398 º
Author Location ? THRO -- North Unit (Achenbach Hills)
Location Narrative ? 700 meters south of the Achenbach Hills access gate on the Little Missouri National grasslands.
State or Province ? North Dakota
Country ? United States
Named Places
region|state|province: North Dakota
area|country|territory: United States
quadrangle: Sperati Point
Layout Fields: 
Shape ? Square
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 792 m
Slope Aspect ? 315 º
Slope Gradient ? 2.5 º
Topographic Position ? High slope
Landform ? plain
Landscape Narrative ? The area in and around the plot is regularly and continuously grazed by cattle. Understory shrubs are mostly absent or reduced. Introduced grasses are present in the herbaceous layer. -- (none)
Representativeness ? Very representative of the grazed (cattle) woodland draws outside of the Park.
Soil Drainage ? well drained
Soil Depth ? 0 m
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 0 %
Percent Wood ? 5 %
Percent Litter ? 10 %
Percent Bare Soil ? 20 %
Percent Water ? 0 %
Percent Other ? 0 %
Methods Fields: 
Observation Start Date ? 23-Jul-1997
Observation End Date ? 23-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 tree was cut by a chainsaw.
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 pennsylvanica Marsh. Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Canopy
37.5 %
04      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
16.6 cm       1 stem(s)
17.9 cm       1 stem(s)
20 cm       1 stem(s)
21.8 cm       1 stem(s)
22.1 cm       1 stem(s)
23 cm       1 stem(s)
23.4 cm       1 stem(s)
26.7 cm       1 stem(s)
28.3 cm       1 stem(s)
29 cm       1 stem(s)
30.5 cm       1 stem(s)
31.5 cm       1 stem(s)
stem stem stem stem stem stem stem stem stem stem stem stem
2 Ulmus americana L. Ulmus americana L. Ulmus americana American elm Ulmus americana L. **   Ulmus americana L. Ulmus americana American elm Ulmus americana L. **   Canopy
2.5 %
02      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
12.6 cm       1 stem(s)
13.1 cm       1 stem(s)
25 cm       1 stem(s)
29.8 cm       1 stem(s)
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 Crataegus chrysocarpa Ashe Crataegus chrysocarpa Ashe Crataegus chrysocarpa fireberry hawthorn Crataegus chrysocarpa Ashe **   Crataegus chrysocarpa Ashe Crataegus chrysocarpa fireberry hawthorn Crataegus chrysocarpa Ashe **   Tall Shrub
2.5 %
02       -none-
5 Ulmus americana L. Ulmus americana L. Ulmus americana American elm Ulmus americana L. **   Ulmus americana L. Ulmus americana American elm Ulmus americana L. **   Short Shrub
15 %
03       -none-
6 Crataegus chrysocarpa Ashe Crataegus chrysocarpa Ashe Crataegus chrysocarpa fireberry hawthorn Crataegus chrysocarpa Ashe **   Crataegus chrysocarpa Ashe Crataegus chrysocarpa fireberry hawthorn Crataegus chrysocarpa Ashe **   Short Shrub
0.5 %
01       -none-
7 Ribes missouriense Nutt. Ribes missouriense Nutt. Ribes missouriense Missouri gooseberry Ribes missouriense Nutt. **   Ribes missouriense Nutt. Ribes missouriense Missouri gooseberry Ribes missouriense Nutt. **   Short Shrub
0.5 %
01       -none-
8 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-
9 Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Short Shrub
0.5 %
01       -none-
10 Prunus virginiana L. Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Short Shrub
0.5 %
01       -none-
11 Poa pratensis L. Poa pratensis L. Poa pratensis Kentucky bluegrass Poa pratensis L. **   Poa pratensis L. Poa pratensis Kentucky bluegrass Poa pratensis L. **   Herbaceous
15 %
03       -none-
12 Carex sprengelii Dewey ex Spreng. Carex sprengelii Dewey ex Spreng. Carex sprengelii Sprengel's sedge Carex sprengelii Dewey ex Spreng. **   Carex sprengelii Dewey ex Spreng. Carex sprengelii Sprengel's sedge Carex sprengelii Dewey ex Spreng. **   Herbaceous
15 %
03       -none-
13 Taraxacum officinale G.H. Weber ex Wiggers Taraxacum officinale G.H. Weber ex Wiggers Taraxacum officinale common dandelion Taraxacum officinale G.H. Weber ex Wiggers **   Taraxacum officinale G.H. Weber ex Wiggers Taraxacum officinale common dandelion Taraxacum officinale G.H. Weber ex Wiggers **   Herbaceous
2.5 %
02       -none-
14 Agropyron cristatum (L.) Gaertn. Agropyron cristatum (L.) Gaertn. Agropyron cristatum crested wheatgrass Agropyron cristatum (L.) Gaertn. **   Agropyron cristatum (L.) Gaertn. Agropyron cristatum crested wheatgrass Agropyron cristatum (L.) Gaertn. **   Herbaceous
0.5 %
01       -none-
15 Descurainia sophia (L.) Webb ex Prantl Descurainia sophia (L.) Webb ex Prantl Descurainia sophia herb sophia Descurainia sophia (L.) Webb ex Prantl **   Descurainia sophia (L.) Webb ex Prantl Descurainia sophia herb sophia Descurainia sophia (L.) Webb ex Prantl **   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 Bromus japonicus Thunb. ex Murr. Bromus japonicus Thunb. ex Murr. Bromus japonicus Japanese brome Bromus japonicus Thunb. ex Murr. **   Bromus japonicus Thunb. ex Murr. Bromus japonicus Japanese brome Bromus japonicus Thunb. ex Murr. **   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 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-
20 Thlaspi arvense L. Thlaspi arvense L. Thlaspi arvense field pennycress Thlaspi arvense L. **   Thlaspi arvense L. Thlaspi arvense field pennycress Thlaspi arvense L. **   Herbaceous
0.5 %
01       -none-
21 Elymus trachycaulus (Link) Gould ex Shinners Elymus trachycaulus (Link) Gould ex Shinners Elymus trachycaulus slender wheatgrass Elymus trachycaulus (Link) Gould ex Shinners **   Elymus trachycaulus (Link) Gould ex Shinners Elymus trachycaulus slender wheatgrass Elymus trachycaulus (Link) Gould ex Shinners **   Herbaceous
0.5 %
01       -none-
22 Artemisia frigida Willd. Artemisia frigida Willd. Artemisia frigida prairie sagewort Artemisia frigida Willd. **   Artemisia frigida Willd. Artemisia frigida prairie sagewort Artemisia frigida Willd. **   Herbaceous
0.5 %
01       -none-
23 Aquilegia canadensis L. Aquilegia canadensis L. Aquilegia canadensis red columbine Aquilegia canadensis L. **   Aquilegia canadensis L. Aquilegia canadensis red columbine Aquilegia canadensis L. **   Herbaceous
0.5 %
01       -none-
24 Convolvulus arvensis L. Convolvulus arvensis L. Convolvulus arvensis field bindweed Convolvulus arvensis L. **   Convolvulus arvensis L. Convolvulus arvensis field bindweed Convolvulus arvensis L. **   Herbaceous
0.5 %
01       -none-
25 Descurainia pinnata (Walt.) Britt. Descurainia pinnata (Walt.) Britt. Descurainia pinnata western tansymustard Descurainia pinnata (Walt.) Britt. **   Descurainia pinnata (Walt.) Britt. Descurainia pinnata western tansymustard Descurainia pinnata (Walt.) Britt. **   Herbaceous
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 70 %
Nonvascular     0 %
Short Shrub 0.5 m 1 m 5 %
Sub-Canopy 5 m 10 m 20 %
Tall Shrub 2 m 5 m 20 %
Vine/Liana     0 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Drake, Jim PI
Cogan, Dan Field assistant
Von Loh, Jim PI
Butler, Jack Plot author
Riedman, Vince Field assistant
West, Keldyn Field assistant
Dekker, Brent Field assistant
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 01-Jul-1999
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Fraxinus pennsylvanica - Ulmus americana / 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         Sandy Loams: Sandy Loam                


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Some wind throw and erosion from cattle trails.
Animal, general   Cattle grazing and manure in and around the plot. (The area in and around the plot appears to be heavily used by cattle for forage and shade.)


User Defined Values
No User Defined Data for this plot