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Water pollution in the

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by

Gene Monahan

on 11 June 2015

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Transcript of Water pollution in the

Water pollution in the
Great Barrier Reef

How the water is
being polluted
The reef is being exposed to nutrients, sediments, and pesticides that pollute the water.
Scientists have proven that the pollution is from cattle grazing and the growth of sugarcane.
How it effects the animals
The sediments have promoted higher concentrations of phytoplankton(microscopic algae) which is the main food source for the crown-of -thorns starfish. The starfish are overpopulating the reef, leaving little room for the other sea life.
How it effects plant life
The nutrients are stimulating larger algae (like seaweed) to grow.It covers coral and prevents its regrowth after cyclones and other storms and disturbances.
How it effects humans
The water pollution does not really effect the australians, but they are doing their best to save the reef. Queensland, a town near the reef has made a pledge to annually donate $35 million to help fix the water quality of the reef.
Conclusion
The Great Barrier Reef is one of the world's most amazing natural treasures. There is a great amount of plant and animal life in the reef that needs to be protected.
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