29. Colyer Lake

General Information

Reference Number: 29
State: Pennsylvania
County: Centre
Municipality: Potter
USGS Quad: Centre Hall
Watershed: Sinking
Hydrogeomorphic Class: Headwater Impoundment Human
Disturbance Class: Moderate
Dominant Vegetation Class: *POW/PEM
Wetland Area: 0.8 ha (2.0 ac)
Year(s) Sampled: 1994

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Vegetation

Herbaceous
Percent Cover: 83.7% (range 5-100%)
Dominant Species
Common Name Scientific Name
Grass Agrostis sp.
Reed canarygrass Phalaris arundinacea
Fox sedge Carex vulpinoidea
Spotted touch me not Impatiens capensis
Spikerush Eleocharis sp.
Woody
Percent cover: 8.7% (range 0-40%)
Dominant Species
Speckled alder Alnus incana
Northern spicebush Lindera benzoin
Multiflora rose Rosa multiflora
Weighted Indicator Status (dominant species)
Herbaceous: 1.82
Woody: 2.84
Weighted Indicator Status (all species)
Herbaceous: 1.45
Woody: 2.52
Species Richness
Total: 60
Herbaceous: 57
Woody: 3

Soils

Matrix Chroma (mean): 1.5
Organic Matter (mean %): 8.01
Bulk Density (g/cm2): 0.57
Soil Series: Andover channery loam
Texture (mean %)
Sand: 41.3
Silt: 44.2
Clay: 14.4
Sedimentation Rate
Mineral loading (g/cm2): 0.83
Equivalent depth (cm): 0.70
Organic loading (g/cm2): 0.49

Hydrology

Water Level
Median (cm): -18.5
Range (cm): -54.0-(-2.0)
Water Quality
pH (mean): 7.0
Conductivity (mean): 702.7