8. Duncansville

General Information

Reference Number: 8
State: Pennsylvania
County: Blair
Municipality: Blair
USGS Quad: Holidaysburg
Watershed: Juniata River
Hydrogeomorphic Class: Isolated Depression
Disturbance Class: Severe
Dominant Vegetation Class: PEM
Wetland Area: 0.2 ha (0.5 ac)
Year(s) Sampled: 1993, 1994

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Vegetation

Herbaceous
Percent Cover: 99.2% (range 95-100%)
Dominant Species
Common Name Scientific Name
Broadleaf cattail Typha latifolia
Spreading bentgrass Agrostis stononifera
Rice cutgrass Leersia oryzoides
Fox sedge Carex vulpinoidea
Woody
Percent cover: 3.3% (range 0-22%)
Dominant Species
Black willow Salix nigra
Weighted Indicator Status (dominant species)
Herbaceous: 1.30
Woody: 1.67
Weighted Indicator Status (all species)
Herbaceous: 1.67
Woody: 2.77
Species Richness
Total: 16
Herbaceous: 15 (over 2 years)
Woody: 1

Soils

Matrix Chroma (mean): 2.0
Organic Matter (mean %): 7.21
Bulk Density (g/cm2): NA
Soil Series: Urban
Texture (mean %)
Sand: 12.0
Silt: 44.5
Clay: 43.6
Sedimentation Rate
Mineral loading (g/cm2): NA
Equivalent depth (cm): NA
Organic loading (g/cm2): NA

Hydrology

Water Level
Median (cm): 0.0
Range (cm): -71.0 – 70.0
Water Quality
pH (mean): 7.3
Conductivity (mean): 1985.0