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 # 6
Methods

Area before disturbance.

Results
Discussion
Literature Cited
Anthropology Department
Davidson College Herpetology Laboratory
 
 

Area following disturbance. The watershed is indicated by the pink polygon, and our stream sampling points are indicated in yellow. Disturbance is shown by the development plan for this area. Land clearing has occured to allow for building to occur.

 
 
 

Site Details:

Watershed Area (m^2 )
416,911
Area of Disturbance (m^2 )
272,290
% of Disturbed Watershed
65.31%
Minimum Distance of Disturbance (m)
0
Maximum Distance of Disturbance (m)
59
Δ Water Temperature (C )
2.13
Δ Conductivity (μs)
-0.07
Δ pH
0.42
Δ Dissolved Oxygen (%)
-26.95
Δ % Sand
12.50
Δ % Detritus
-2.50
Δ % Fine Sediments
1.25
Δ Stream Width (cm)
-10.23
Δ Stream Depth (cm)
-4.75

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

 
 
Questions? Email me at Krcecala@davidson.edu