Little Sewickley Creek 2



Vegetation - Soils - Hydrology - Habitat Suitability Index
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Site Identification

CWC Reference Number: 40
State: PA
County: Allegheny
Municipality: Sewickley
USGS Quad: Ambridge
Watershed: Little Sewickley Creek
Hydrogeomorphic Class: Headwater Floodplain
Disturbance Class: Moderate
Dominant Vegetation Class: PFO/PEM
Wetland Area: 0.2 ha (0.4 ac)
Year(s) Sampled: 1995



Site 40 - Little Sewickley Creek 2





Vegetation

Herbaceous
Percent cover: 74.0% (range 60-80%)
Dominant Species
Common Name: Scientific Name:
Rough bedstraw Galium asprellum
Spotted touch me not Impatiens capensis
Garlic mustard Alliaria officinalis
False Mermaid weed Floerkea proserpinacoides
Ground ivy Glechoma hederacea


Woody
Percent cover: 63.0% (range 15-100%)
Dominant Species
Common Name: Scientific Name:
Honeysuckle Lonicera tatarica
Hawthorn Crataegus sp.
Black cherry Prunus serotina
American sycamore Platanus occidentalis
American elm Ulmus americana


Weighted Indicator Status (dominant spp.)
Herbaceous: 2.57
Woody: 3.20
Indicator Status (all spp.)
Herbaceous: 2.60
Woody: 3.07
Species Richness
Total: 49
Herbaceous: 37
Woody: 12



Site 40 - Little Sewickley Creek





Soils

Matrix Chroma (mean): 2.0
Organic Matter (mean %): 35.30
Bulk Density (g/cm2): 0.16
Soil Series: Hagerstown silt loam
Texture (mean %)
Sand:
60.8
Silt:
21.3
Clay:
17.9
Sedimentation Rate
Mineral loading (g/cm2): NA
Equivalent depth (cm): NA
Organic loading (g/cm2): NA



Hydrology

Water Level
Median (cm): NA
Range (cm): NA
Water Quality
pH (mean): NA
Conductivity (mean): NA