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 # 2
Methods

Site 2 before disturbance occurred.

Results
Discussion
Literature Cited
Anthropology Department
Davidson College Herpetology Laboratory
 
Following disturbance. Pink indicates the watershed for this stream. Orange reflects the land cleared during development. Yellow points indicate our sampling locations in the stream.

Site Details

Watershed Area (m^2 )
395,094
Area of Disturbance (m^2 )
228,700
% of Disturbed Watershed
57.88%
Minimum Distance of Disturbance (m)
0
Maximum Distance of Disturbance (m)
69
Δ Water Temperature (C )
2.41
Δ Conductivity (μs)
43.42
Δ pH
-0.02
Δ Dissolved Oxygen (%)
-22.51
Δ % Sand
-47.50
Δ % Detritus
50.00
Δ % Fine Sediments
5.00
Δ Stream Width (cm)
83.37
Δ Stream Depth (cm)
13.60

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

Questions? Email me at Krcecala@davidson.edu