A
pollution index card is made to tell the organic pollution levels in the algae
you are testing. The chart can also be useful to detect the quality of the
water. The benefits are that it can show if certain types of algae would be
able to deal in different areas of water and how they react to pollute water.
Also, it isn’t very hard to perform and it’s cheap. Some shortcomings are the
fact that it doesn’t contain all the different types of algae; therefore
pollution levels might be slightly off. In addition, it is not the most correct
values and often need a microscope. The pollution index chart is not a definitive
test for water quality because it is not all that accurate of tests. The higher
the organic pollution, the lower the diversity. Pollute water has high
populations that cause low diversity, so the higher you go up the less
diversity there will be.
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