The Effects Of Thermal Pollution On Aquatic Ecosystems Essay

The Effects Of Thermal Pollution On Aquatic Ecosystems Essay

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Running Head: Thermal Pollution





















Riffling Thermal Pollution
Phoebus Tsai
Camas High School 
Riffling Thermal Pollution
Thermal pollution is harmful to aquatic ecosystems. They are caused when cool river water are drawn from the water source, run through a power plant, and then discharged back into the same source. This now heated water causes all kinds of mischief and damages to the health of the organisms in the aquatic environment and the environment itself. In an experiment, Gisela Lannig and Inna Sokolova of the University of North Carolina in Charlotte incubated oysters at one of three temperatures, 20°C, 24°C, and 28°C. The differing temperatures of the environment each group of oysters are exposed to in the incubator simulate thermal pollution in the oysters’ natural habitat. What they found was that "the rate of oxygen use, which can be an indicator of physical stress, was three times as high in oysters kept at the warmest temperature as it was in those kept at the coolest" (Raloff, 2005). This reveals that their environment could stress aquatic organisms with just a minute change in the temperature of the ecosystem. This stress could cause the health of an organism to deteriorate or even possibly death.
In the experiment referenced in the previous paragraph, the experimenters exposed the oysters to yet another kind of pollution, cadmium. The result was not good news for oysters that were in the warmest environment. Three weeks after the beginning of cadmium exposure, half of the oysters in the warmest environment were dead and those exposed at 24°C lost 6% of their population (Raloff, 2005). The good news is that all of the oysters in the coolest temperature survived. This could mean that the oysters...


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...l world. 
References
A Cooling Tower History. (1997). Chemical Engineering, 104(11), 94. Retrieved October 14, 2014, from http://search.proquest.com/docview/194440316?accountid=748
Abbaspour, M., Javid, A. H., Moghimi, P., & Kayhan, K. (2005). Modeling of thermal pollution in coastal area and its economical and environmental assessment. International Journal of Environmental Science and Technology : (IJEST), 2(1), 13-26. Retrieved October 13, 2014, from http://search.proquest.com/docview/199333803?accountid=748
Raloff, J. (2005, April 30). Oysters under siege: Heat and pollution. Science News, 167(18), 286. Retrieved October 14, 2014, from http://search.proquest.com/docview/197532476?accountid=748
Turpin, J. R. (2004, September). A Solution For THERMAL POLLUTION. Engineered Systems, 21(9), 44-44,46,48,50,52. Retrieved October 14, 2014, from ProQuest Research Library.

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