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THRO.79
» Citation URL: http://vegbank.org/cite/VB.Ob.4085.THRO79
» Citing info
Plot ID Fields: 
Author Plot Code ? THRO.79
Author Observation Code ? THRO.79
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 46.958282649 º
Longitude ? -103.510199906 º
Author Location ? THRO -- South Unit
Location Narrative ? 200 - 300 meters west of the Peaceful Valley Ranch (horse concession) off the Lone Tree Loop Trail.
State or Province ? North Dakota
Country ? United States
Named Places
quadrangle: Medora
region|state|province: North Dakota
area|country|territory: United States
Layout Fields: 
Shape ? Square
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 680 m
Slope Aspect ? 180 º
Slope Gradient ? 2.5 º
Topographic Position ? Low level
Landform ? flood plain
Landscape Narrative ? Light infestation of leafy spurge (Euphorbia esula) and various other exotic species in the herbaceous layer. -- Area is directly influenced by the high water level and sediment deposition of the Little Missouri River.
Representativeness ? Very rperesentative of the young cottonwood (Populus deltoides) community found on the first terrace
Hydrologic Regime ? Intermittently flooded
Soil Drainage ? well drained
Soil Depth ? 0 m
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 0 %
Percent Wood ? 5 %
Percent Litter ? 5 %
Percent Bare Soil ? 30 %
Percent Water ? 0 %
Percent Other ? 0 %
Methods Fields: 
Observation Start Date ? 15-Jul-1997
Observation End Date ? 15-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: 
--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 Artemisia cana Pursh Artemisia cana Pursh Artemisia cana silver sagebrush Artemisia cana Pursh **   Artemisia cana Pursh Artemisia cana silver sagebrush Artemisia cana Pursh **   Short Shrub         -1 -none-
2 Populus deltoides Bartr. ex Marsh. Populus deltoides Bartr. ex Marsh. Populus deltoides eastern cottonwood Populus deltoides Bartr. ex Marsh. **   Populus deltoides Bartr. ex Marsh. Populus deltoides eastern cottonwood Populus deltoides Bartr. ex Marsh. **   Short Shrub
62.5 %
05       -none-
3 Salix exigua Nutt. Salix exigua Nutt. Salix exigua narrowleaf willow Salix exigua Nutt. **   Salix exigua Nutt. Salix exigua narrowleaf willow Salix exigua Nutt. **   Short Shrub
2.5 %
02       -none-
4 Polanisia dodecandra (L.) DC. Polanisia dodecandra (L.) DC. Polanisia dodecandra redwhisker clammyweed Polanisia dodecandra (L.) DC. **   Polanisia dodecandra (L.) DC. Polanisia dodecandra redwhisker clammyweed Polanisia dodecandra (L.) DC. **   Herbaceous         -1 -none-
5 Lepidium densiflorum Schrad. Lepidium densiflorum Schrad. Lepidium densiflorum common pepperweed Lepidium densiflorum Schrad. **   Lepidium densiflorum Schrad. Lepidium densiflorum common pepperweed Lepidium densiflorum Schrad. **   Herbaceous         -1 -none-
6 Xanthium strumarium L. Xanthium strumarium L. Xanthium strumarium rough cockleburr Xanthium strumarium L. **   Xanthium strumarium L. Xanthium strumarium rough cockleburr Xanthium strumarium L. **   Herbaceous
2.5 %
02       -none-
7 Melilotus alba Medikus Melilotus alba Medikus Melilotus alba white sweetclover Melilotus alba Medikus **   Melilotus alba Medikus Melilotus alba white sweetclover Melilotus alba Medikus **   Herbaceous
2.5 %
02       -none-
8 Euphorbia esula L. Euphorbia esula L. Euphorbia esula leafy spurge Euphorbia esula L. **   Euphorbia esula L. Euphorbia esula leafy spurge Euphorbia esula L. **   Herbaceous
2.5 %
02       -none-
9 Melilotus officinalis (L.) Lam. Melilotus officinalis (L.) Lam. Melilotus officinalis yellow sweetclover Melilotus officinalis (L.) Lam. **   Melilotus officinalis (L.) Lam. Melilotus officinalis yellow sweetclover Melilotus officinalis (L.) Lam. **   Herbaceous
0.5 %
01       -none-
10 Polygonum aviculare L. Polygonum aviculare L. Polygonum aviculare prostrate knotweed Polygonum aviculare L. **   Polygonum aviculare L. Polygonum aviculare prostrate knotweed Polygonum aviculare L. **   Herbaceous
0.5 %
01       -none-
11 Kochia scoparia (L.) Schrad. Kochia scoparia (L.) Schrad. Kochia scoparia Mexican-fireweed Kochia scoparia (L.) Schrad. **   Kochia scoparia (L.) Schrad. Kochia scoparia Mexican-fireweed Kochia scoparia (L.) Schrad. **   Herbaceous
0.5 %
01       -none-
12 Ambrosia psilostachya DC. Ambrosia psilostachya DC. Ambrosia psilostachya Cuman ragweed Ambrosia psilostachya DC. **   Ambrosia psilostachya DC. Ambrosia psilostachya Cuman ragweed Ambrosia psilostachya DC. **   Herbaceous
0.5 %
01       -none-
13 Solanum rostratum Dunal Solanum rostratum Dunal Solanum rostratum buffalobur nightshade Solanum rostratum Dunal **   Solanum rostratum Dunal Solanum rostratum buffalobur nightshade Solanum rostratum Dunal **   Herbaceous
0.5 %
01       -none-
14 Glycyrrhiza lepidota Pursh Glycyrrhiza lepidota Pursh Glycyrrhiza lepidota American licorice Glycyrrhiza lepidota Pursh **   Glycyrrhiza lepidota Pursh Glycyrrhiza lepidota American licorice Glycyrrhiza lepidota Pursh **   Herbaceous
0.5 %
01       -none-
15 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-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
Canopy     0 %
Dwarf Shrub     0 %
Emergent     0 %
Epiphyte     0 %
Herbaceous   0.5 m 10 %
Nonvascular     0 %
Short Shrub   0.5 m 60 %
Sub-Canopy     0 %
Tall Shrub     0 %
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
Wynn, Sara Field assistant
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         Sands: Sand                


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Soil eroision and sediment deposition from high water levels in and surronding the plot.
Animal, general   Some evidence of historical beaver activity in the area. Various animal trails in and surrounding the plot leading to the river. Some ground bird activity in the area.


User Defined Values
No User Defined Data for this plot