69. Nine Mile Run – Slope

General Information

Reference Number: 69
State: Pennsylvania
County:
Municipality:
USGS Quad: Pittsburgh East
Watershed: Other
Hydrogeomorphic Class: Slope
Disturbance Class: Severe
Dominant Vegetation Class: PEM/SS
Wetland Area: NA
Year(s) Sampled: 1998

Vegetation

Herbaceous
Percent Cover: 95.6% (range 60-100%)
Dominant Species
Common Name Scientific Name
Black bentgrass Agrostis gigantea
Pennywort Obolaria virginica
Small flower groovebur Agrimonia parviflora
Spreading dogbane Apocynum androsaemifolium
Slender rush Juncus tenuis
Woody
Percent cover: 26.1% (range 0-85%)
Dominant Species
Staghorn sumac Rhus typhina
Hawthorn Crataegus sp.
White ash Fraxinus americana
Multiflora rose Rosa multiflora
Willow Salix sp.
Cottonwood Populus deltoides
Weighted Indicator Status (dominant species)
Herbaceous: 3.04
Shrub/Tree: 3.42/4.41
Weighted Indicator Status (all species)
Herbaceous: 3.06
Shrub/Tree: 3.22/4.34
Species Richness
Total: 43
Herbaceous: 34
Shrub/Tree: 7/2

Soils

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Hydrology

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