Chorine is used by the Village Creek Waste Water Treatment Plant to kill pathogenic microorganisms prior to discharge of the effluent into the Trinity River. The residual chlorine in the river impacted aquatic life prompting the U.S. Environmental Protection Agency in December 1990 to require dechlorination using sulfur dioxide. One pre-dechlorination and four post-dechlorination assessments of phytoplankton, periphyton, and zooplankton communities were conducted by the Institute of Applied Sciences at the University of North Texas. Dechlorination had no effect on the phytoplankton community. The periphyton community exhibited a shift in species abundance with a more even distribution of organisms among taxa. No change occurred in zooplankton species abundance, however, there was a decrease in zooplankton density following dechlorination.
| Identifer | oai:union.ndltd.org:unt.edu/info:ark/67531/metadc278689 |
| Date | 12 1900 |
| Creators | Bryan, Brynne L. (Brynne Lee) |
| Contributors | Dickson, Kenneth L., Kennedy, James H., Waller, William T. |
| Publisher | University of North Texas |
| Source Sets | University of North Texas |
| Language | English |
| Detected Language | English |
| Type | Thesis or Dissertation |
| Format | xiii, 171 leaves : ill., map, Text |
| Coverage | United States - Texas - Tarrant County - Fort Worth, United States - Texas - Tarrant County - Arlington, United States - Texas - Dallas County - Grand Prairie, 1990-08-30-1992-08-18 |
| Rights | Public, Copyright, Copyright is held by the author, unless otherwise noted. All rights reserved., Bryan, Brynne L. (Brynne Lee) |
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