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 # 7
Methods

Area prior to disturbance.

Results
Discussion
Literature Cited
Anthropology Department
Davidson College Herpetology Laboratory
 
 

Site following disturbance. Pink outlines the watershed of the stream, and yellow points indicate our sampling points within the stream. Development and land clearing is indicated by the black outlines signifying individual lots and roads within this future development.

Site Details:

Watershed Area (m^2 )
193,609
Area of Disturbance (m^2 )
177,896
% of Disturbed Watershed
91.88%
Minimum Distance of Disturbance (m)
0
Maximum Distance of Disturbance (m)
34
Δ Water Temperature (C )
2.86
Δ Conductivity (μs)
40.20
Δ pH
0.54
Δ Dissolved Oxygen (%)
-13.86
Δ % Sand
21.25
Δ % Detritus
27.50
Δ % Fine Sediments
18.75
Δ Stream Width (cm)
-47.32
Δ Stream Depth (cm)
-1.51

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

 
 
Questions? Email me at Krcecala@davidson.edu