Does resource availability, resource heterogeneity or species turnover mediate changes in plant species richness in grazed grasslands?

@article{Bakker2003DoesRA,
  title={Does resource availability, resource heterogeneity or species turnover mediate changes in plant species richness in grazed grasslands?},
  author={Chris Bakker and John M. Blair and Alan K. Knapp},
  journal={Oecologia},
  year={2003},
  volume={137},
  pages={385-391}
}
Grazing by large ungulates often increases plant species richness in grasslands of moderate to high productivity. In a mesic North American grassland with and without the presence of bison (Bos bison), a native ungulate grazer, three non-exclusive hypotheses for increased plant species richness in grazed grasslands were evaluated: (1) bison grazing enhances levels of resource (light and N) availability, enabling species that depend on higher resource availability to co-occur; (2) spatial… CONTINUE READING
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