Effects of Decreasing pH on Freshwater Ecosystems Inhabited by Snails and Salvinia
Summary :
Table of Contents
- Introduction
- Materials and methods
- Results
- Discussion
- Conclusion
- Works cited
Abstract
The ecosystem of a freshwater lake, stream, and river is greatly influenced by the environment it is in. Temperature, light, nutrients, rainfall amounts, species composition and organic or inorganic pollutant levels all differ from lake to lake, depending on the circumstances of their environment. A change in any one of these factors would have a direct effect on the number of organisms that populate a lake. One way in which the contents of water changes is eutrophication. During this process, organic materials, sediment and nutrients are blown from the surrounding environment into the pond. This in turn increases the nutrient levels in the water. (Bole 56)
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