Algae

Some types of algae grow in the water column, while others need something on which to attach. Provided a substrate and water, algae can grow almost anywhere.

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Like any organism that has abundant resources, algae increase in numbers when they have everything in need. When exposed to the optimum levels of light, temperature, salinity and nutrients, algal growth increases so quickly that plumes of color (usually green) can be seen in the water.

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Algae are a diverse group of organisms that photosynthesize, but lack the complexity of plants. The word ‘algae’ describes many different types of organisms from larger (macroscopic) things that look like plants to microscopic single-celled life forms and even bacteria. Although individual species can be very different, all algae share the common characteristic that they derive their energy from the sun.

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