Thompson Run




Site Identification

CWC Reference Number: 57
State: PA
County: Centre
Municipality: College
USGS Quad: State College
Watershed: Spring Creek
Hydrogeomorphic Class: Headwater Floodplain
Disturbance Class: Severe
Dominant Vegetation Class: PEM
Wetland Area: NA
Year(s) Sampled: 1997



Aerial View of Thompson Run


Vegetation

Mean Site Cover
Herbaceous: 97.9% (range 75-100%)
Woody: 16.7% (range 0-100%)

Dominant Species
Vegetation Type
Scientific name (common name)
NWI
Herbaceous Phalaris sp. (Canary grass) NI
Symplocarpus foetidus (Skunk cabbage) 1
Carex lacustris (Lake sedge) 1
Brassica rapa (Field mustard) NI
Typha angustifolia (Narrow-leaved cattail) 1
Shrub Sambucus canadensis (American elder) 2
Rhamnus sp. (Buckthorn) NI
Cornus sericea (Red osier dogwood) 1.67
Tree Salix nigra (Black willow) 1.67
Acer negundo (Box elder) 2.67


Weighted Indicator Status (dominant spp.)
Herbaceous: 1.15
Shrub: 1.97
Tree: 1.86
Indicator Status (all spp.)
Herbaceous: 1.92
Shrub: 1.84
Tree: 2.17
Species Richness:
Total: 26
Herbaceous: 21
Shrubs: 3
Trees: 2