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 # 10
Methods

Area prior to disturbance.

Results
Discussion
Literature Cited
Anthropology Department
Davidson College Herpetology Laboratory
 
 
 
 
 
 
 
 

Area after disturbance. Pink outlines the watershed of this first-order stream. Yellow dots indicate our sampling locations on the stream. The orange polygon reflects the land clearing of the region.

Site Details:

Watershed Area (m^2 )
552,678
Area of Disturbance (m^2 )
430,783
% of Disturbed Watershed
77.94%
Minimum Distance of Disturbance (m)
0
Maximum Distance of Disturbance (m)
20
Δ Water Temperature (C )
3.32
Δ Conductivity (μs)
33.39
Δ pH
0.59
Δ Dissolved Oxygen (%)
-10.68
Δ % Sand
-32.50
Δ % Detritus
35.00
Δ % Fine Sediments
-2.50
Δ Stream Width (cm)
62.98
Δ Stream Depth (cm)
2.12

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

 
 
Questions? Email me at Krcecala@davidson.edu