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
Site # 9
Area before disturbance.
Area following disturbance. The pink polygon in the background indicates the watershed for this stream, and the yellow dots reflect our sampling points within the stream. The orange polygon reflects cleared land for this site.
Site Details:
| Watershed Area (m^2 ) | 164,587 |
| Area of Disturbance (m^2 ) | 130,463 |
| % of Disturbed Watershed | 79.27% |
| Minimum Distance of Disturbance (m) | 0 |
| Maximum Distance of Disturbance (m) | 14 |
| Δ Water Temperature (C ) | -2.15 |
| Δ Conductivity (μs) | 71.56 |
| Δ pH | 0.79 |
| Δ Dissolved Oxygen (%) | -10.97 |
| Δ % Sand | -7.50 |
| Δ % Detritus | 7.50 |
| Δ % Fine Sediments | 15.75 |
| Δ Stream Width (cm) | -24.13 |
| Δ Stream Depth (cm) | -2.53 |
* Δ is defined as the average change from 2005 to 2006 following disturbance.
Questions? Email me at Krcecala@davidson.edu