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Trophic StateA term used to describe the productivity of a lake ecosystem classifying it as one of three increasing categories based on algal biomass: oligotrophic, mesotrophic, or eutrophic. Since algal populations can be difficult and expensive to measure accurately, trophic state indicators are calculated as proxies on the basis of total phosphorus, chloroph [..]
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Trophic StateThe level of growth or productivity of a lake as measured by phosphorus content, chlorophyll a concentrations, amount (biomass) of aquatic vegetation, algal abundance, and water clarity. Also see eut [..]
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