Walker Lake




Site Identification

CWC Reference Number: 96
State: PA
County: Snyder
Municipality: Adams
USGS Quad: Beavertown
Watershed: Middle Creek
Hydrogeomorphic Class: Fringing
Disturbance Class: Moderate
Dominant Vegetation Class: PEM/OW
Wetland Area: NA
Year(s) Sampled: 1999



Vegetation

Mean Site Cover
Herbaceous: 85% (range 45-100%)
Woody: 16.3% (range 0-30%)

Dominant Species
Vegetation Type
Scientific name (common name)
NWI
Herbaceous Layer Phalaris arundinacea (Reed canary grass)
2
Typha latifolia (Broadleaf cattail)
1
Polygonum hydropiperoides (Mild water pepper)
1
Boehmeria cylindrica (Small spike false nettle)
1.67
Scirpus cyperinus (Wool grass)
1.67
Shrub Layer Alnus serrulata (Smooth alder)
1
Cornus ammomum (Silky dogwood)
2
Salix nigra (Black willow)
1.67
Cephalanthus occidentalis (Common buttonbush)
1
Tree Layer
Salix nigra sp. (Black willow)
1.67
Ulmus americana (American elm)
2.33
Ulmus rubra sp. (Slippery elm)
3.33
Acer negundo (Box elder)
2.67


Weighted Indicator Status (dominant spp.)
Herbaceous: 1.54
Shrub: 1.77
Tree: 1.84
Indicator Status (all spp.)
Herbaceous: 1.33
Shrub: 1.42
Tree: 2.50
Species Richness:
Total: 22
Herbaceous: 14
Shrubs: 4
Trees: 4