A model of herbivore feedback on plant productivity

M. I. Dyer, D. L. DeAngelis, W. M. Post

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Many laboratory and field studies suggest that heavy grazing decreases plant productivity, whereas light grazing may promote increases in comparison with ungrazed controls. A theoretical and computer-simulation model shows how biomass and nutrient interactions can give rise to these grazing responses. The recycling rates of limiting nutrients can be regulated nonlinearly by the grazer. This provides a plausible mechanism for explaining changes in primary productivity that are consistent with empirical data.

Original languageEnglish (US)
Pages (from-to)171-184
Number of pages14
JournalMathematical Biosciences
Issue number2
StatePublished - Jun 1986

ASJC Scopus subject areas

  • Statistics and Probability
  • Modeling and Simulation
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Agricultural and Biological Sciences(all)
  • Applied Mathematics


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