Density dependence and cooperation: theory and a test with bacteria.

  title={Density dependence and cooperation: theory and a test with bacteria.},
  author={Adin Ross-Gillespie and Andy Gardner and Angus Buckling and Stuart A. West and Ashleigh S Griffin},
  journal={Evolution; international journal of organic evolution},
  volume={63 9},
Although cooperative systems can persist in nature despite the potential for exploitation by noncooperators, it is often observed that small changes in population demography can tip the balance of selective forces for or against cooperation. Here we consider the role of population density in the context of microbial cooperation. First, we account for conflicting results from recent studies by demonstrating theoretically that: (1) for public goods cooperation, higher densities are relatively… CONTINUE READING


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