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 # 1
Methods
Results
Discussion
Literature Cited
Anthropology Department
Davidson College Herpetology Laboratory
 
Area surrounding site 1 prior to development.
Following disturbance. Pink indicates the watershed for this first order stream. Orange indicates where land clearing has occurred. Yellow points indicate our sampling points within the stream.
 

Site Details

Watershed Area (m^2 )
370,825
Area of Disturbance (m^2 )
132,475
% of Disturbed Watershed
35.72%
Minimum Distance of Disturbance (m)
0
Maximum Distance of Disturbance (m)
31
Δ Water Temperature (C )
0.22
Δ Conductivity (μs)
23.34
Δ pH
1.34
Δ Dissolved Oxygen (%)
-1.77
Δ % Sand
7.50
Δ % Detritus
3.75
Δ % Fine Sediments
-10.00
Δ Stream Width (cm)
4.28
Δ Stream Depth (cm)
3.20

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

 
Questions? Email me at Krcecala@davidson.edu