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Nutrients are elements essential to the growth and reproduction of plants and
animals and aquatic species.
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Carbon. Nitrogen and phosphorus are common nutrients.
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Carbon is available from carbon dioxide, and decay products of organic matter.
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Additional nutrients, such as phosphorus and nitrogen, are added to streams by
many avenues, but primarily through human sewage, animal waste, fertilizers and
erosion. This area of water quality monitoring is greatly affected by both
urban and agricultural human practices.
→) Runoff from any inadequately covered lands
can increase these nutrient loads and result in eutrophication of the nearby
aquatic habitat.
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