Colyer Lake



Vegetation - Soils - Hydrology - Habitat Suitability Index
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Site Identification

CWC Reference Number: 29
State: PA
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



Site 29 - Colyer Lake





Vegetation

Herbaceous
Percent cover: 83.7% (range 5-100%)
Dominant Species
Common Name: Scientific Name:
Reed canary grass Phalaris arundinacea
Grass Agrostis sp
Fox sedge Carex vulpinoidea
Spikerush Eleocharis sp.
Spotted touch me not Impatiens capensis


Woody
Percent cover: 8.7% (range 0-40%)
Dominant Species
Common Name: Scientific Name:
Speckled alder Alnus incana
Multiflora rose Rosa multiflora
Northern spicebush Lindera benzoin


Weighted Indicator Status (dominant spp.)
Herbaceous: 1.82
Woody: 2.84
Indicator Status (all spp.)
Herbaceous: 1.45
Woody: 2.52
Species Richness
Total: 60
Herbaceous: 57
Woody: 3



Aerial View of Colyer Lake





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