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Soap Runoff Effects on Algal Populations

This study examines the impacts of ground runoff containing soap on algal populations. It investigates the potential effects of soap pollutants, including pesticides, fertilizer, and oil spills, on algal growth. Specifically, it explores the impact of the antibacterial soap ingredient triclosan on algal communities. The hypothesis is tested to determine if the growth rate of algae contaminated with antibacterial soap exceeds that of the control group.

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Soap Runoff Effects on Algal Populations

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  1. Soap Runoff Effects on Algal Populations Mike Trentadue 2008 PJAS Central Catholic

  2. Ground Runoff • Ground runoff is part of the water cycle and is when water runs across land formations. • It is caused when rain and excess water start to flow down hill. • During Ground Runoff the water can carry many pollutants such as…

  3. Pollutants • Pesticides • Fertilizer • Litter • Oil and Gasoline Spills • Soap

  4. Soaps • Soaps are a mixture of chemicals to form a cleaning agent that can be used to clean various surfaces. • The active ingredient in the to soaps to kill bacterial is Triclosan. • There are various types of soap including Antibacterial and Non Antibacterial.

  5. Algae • There are many different kinds of algae through out the world. • One of the most common being Euglena.

  6. Euglena • Euglena is a common group of freshwater single celled organisms in the Kingdom Protista. • There are about 150 species of Euglena. • They produce their own food through photosynthesis.

  7. Triclosan • Triclosan has been shown to be effective in reducing and controlling bacterial contamination on the hands. • Research has also show that the presence of Triclosan may influence the structure and function of algal communities in stream ecosystems.

  8. My Hypothesis • Null: The growth rate of the algae contaminated with antibacterial soap WILLNOT exceed the growth rate of the control. • Alternate: The growth rate of the algae contaminated with the antibacterial soap WILL exceed the growth rate of the control.

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