The Effects of Urbanization on Local First-Order Streams: One Year Later

Kristen K. Cecala, Steven J. Price, William Ringle, and Michael E. Dorcas

Davidson College

Introduction
Site # 4
Methods

Before disturbance to the area.

Results
Discussion
Literature Cited
Anthropology Department
Davidson College Herpetology Laboratory
 

Following disturbance to the region. The stream watershed is indicated by the pink outline, and the yellow points indicate our stream sampling points. Disturbance is indicated by the plot design of the lots this development will hold. The square at the intersection will become a small strip mall.

Site details:

Watershed Area (m^2 )
168,190
Area of Disturbance (m^2 )
141,397
% of Disturbed Watershed
84.07%
Minimum Distance of Disturbance (m)
0
Maximum Distance of Disturbance (m)
0
Δ Water Temperature (C )
7.57
Δ Conductivity (μs)
23.67
Δ pH
0.25
Δ Dissolved Oxygen (%)
-43.02
Δ % Sand
-15.00
Δ % Detritus
0.00
Δ % Fine Sediments
2.50
Δ Stream Width (cm)
10.92
Δ Stream Depth (cm)
-2.86

* Δ is defined as the average change from 2005 to 2006 following disturbance.

 
 
Questions? Email me at Krcecala@davidson.edu