Granivory and competition as determinants of annual plant diversity in the Chihuahuan desert

@article{Samson1992GranivoryAC,
  title={Granivory and competition as determinants of annual plant diversity in the Chihuahuan desert},
  author={D. Samson and T. Philippi and D. Davidson},
  journal={Oikos},
  year={1992},
  volume={65},
  pages={61-80}
}
In the Chihuahuan Desert of southeastern Arizona, we monitored the responses of three seasonal classes of annual plants (winter, summer and biseasonal species) to experimental removal of seed-eating rodents and ants over a ten-year period (1978 through 1987). Rodent removal led to increased dominance of the winter annual flora by initially rare, but competitively superior, large-seeded annuals. The greater densities of these plants eventually suppressed populations of small-seeded annuals. In… Expand
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