Expanding the concept of trophic state in aquatic ecosystems: It’s not just the autotrophs

  title={Expanding the concept of trophic state in aquatic ecosystems: It’s not just the autotrophs},
  author={Walter Kennedy Dodds and Jonathan J. Cole},
  journal={Aquatic Sciences},
“Trophic state” is often used to classify aquatic ecosystems according to biotic productivity. Primary productivity (or a surrogate for it) has always been used as the metric of trophic state. We make the case here that both primary production and key heterotrophic processes are needed to evaluate trophic state. Defined as the relative flux rate of carbon (C) into the food web, trophic state is a fundamental property that is intimately related to both ecosystem structure and how humans… CONTINUE READING
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