The predator-prey power law: Biomass scaling across terrestrial and aquatic biomes

@article{Hatton2015ThePP,
  title={The predator-prey power law: Biomass scaling across terrestrial and aquatic biomes},
  author={Ian A. Hatton and Kevin Shear McCann and John M Fryxell and T. Jonathan Davies and Matteo Smerlak and Anthony R. E. Sinclair and Michel Loreau},
  journal={Science},
  year={2015},
  volume={349}
}
Ecosystems exhibit surprising regularities in structure and function across terrestrial and aquatic biomes worldwide. We assembled a global data set for 2260 communities of large mammals, invertebrates, plants, and plankton. We find that predator and prey biomass follow a general scaling law with exponents consistently near ¾. This pervasive pattern implies that the structure of the biomass pyramid becomes increasingly bottom-heavy at higher biomass. Similar exponents are obtained for community… CONTINUE READING
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