Symbiosis and the Regulation of Communities1

  title={Symbiosis and the Regulation of Communities1},
  author={Keith Clay},
SYNOPSIS. Ecologists have long been interested in factors that control the structure of communities and the relative importance of top-down effects of predators versus bottom-up effects of resources. There is a growing body of evidence that microbial symbioses are important determinants of plant community structure and indirectly affect herbivore and predator trophic levels. Studies with mycorrhizal fungi, N-fixing bacteria and endophytes of grasses have demonstrated that they can affect… CONTINUE READING


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