Toxicity assessment of sediments collected upstream and downstream from the White Dam in Clarke County, Georgia
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Abstract
The White Dam in Clarke County, Georgia, has been proposed for breaching. Efforts to determine potential risks to downstream biota included assessments of sediment collected in the vicinity of the dam. Sediments collected from sites upstream and downstream from the dam were evaluated for toxicity in 42-day exposures using the freshwater amphipod Hyalella azteca. Endpoints of the study were survival, growth, and reproduction of H. azteca. Results indicated no significant differences between the collected sediments and the water-only treatment used for comparison of the test endpoints. Therefore, based on the laboratory experiments in this study, sediment migration downstream from a breach of the Dam may not pose a toxicity risk to downstream biota.
Suggested Citation
Lasier, P.J., 2018, Toxicity assessment of sediments collected upstream and downstream from the White Dam in Clarke County, Georgia: U.S. Geological Survey Open-File Report 2018–1036, 6 p., https://doi.org/10.3133/ofr20181036.
ISSN: 2331-1258 (online)
Table of Contents
- Abstract
- Introduction
- Methods
- Results and Discussion
- References Cited
Publication type | Report |
---|---|
Publication Subtype | USGS Numbered Series |
Title | Toxicity assessment of sediments collected upstream and downstream from the White Dam in Clarke County, Georgia |
Series title | Open-File Report |
Series number | 2018-1036 |
DOI | 10.3133/ofr20181036 |
Year Published | 2018 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Contributing office(s) | Patuxent Wildlife Research Center, Eastern Ecological Science Center |
Description | v, 6 p. |
Country | United States |
State | Georgia |
County | Clarke County |
Other Geospatial | White Dam |
Online Only (Y/N) | Y |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |