| http://www.w3.org/ns/prov#value | - Nutrients such as nitrogen and phosphorus tend to be limiting resources in standing water bodies, so increased concentrations tend to result in increased plant growth, followed by corollary increases in subsequent trophic levels. [1] Consequently, a body of water's trophic index may sometimes be used to make a rough estimate of its biological condition.[2] Although the term trophic index is comm
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