Role of climate and competitors in limiting fitness across range edges of an annual plant.

@article{StantonGeddes2012RoleOC,
  title={Role of climate and competitors in limiting fitness across range edges of an annual plant.},
  author={John Stanton-Geddes and Peter Tiffin and Ruth G. Shaw},
  journal={Ecology},
  year={2012},
  volume={93 7},
  pages={1604-13}
}
It is often assumed that the geographic distributions of species match their climatic tolerances, but this assumption is not frequently tested. Moreover, few studies examine the relative importance of abiotic and biotic factors for limiting species ranges. We combined multiple approaches to assess the extent to which fitness of a widespread native annual legume, Chamaecrista fasciculata, decreases at and beyond its northern and western range edges, and how this is influenced by the presence of… CONTINUE READING

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