On the prevalence and dynamics of inverted trophic pyramids and otherwise top-heavy communities.

  title={On the prevalence and dynamics of inverted trophic pyramids and otherwise top-heavy communities.},
  author={Douglas J McCauley and Gabriel Gellner and Neo D. Martinez and Richard J. Williams and Stuart Sandin and Fiorenza Micheli and Peter J. Mumby and Kevin Shear McCann},
  journal={Ecology letters},
  volume={21 3},
Classically, biomass partitioning across trophic levels was thought to add up to a pyramidal distribution. Numerous exceptions have, however, been noted including complete pyramidal inversions. Elevated levels of biomass top-heaviness (i.e. high consumer/resource biomass ratios) have been reported from Arctic tundra communities to Brazilian phytotelmata, and in species assemblages as diverse as those dominated by sharks and ants. We highlight two major pathways for creating top-heaviness, via… CONTINUE READING
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