Beta diversity at different spatial scales: plant communities in organic and conventional agriculture.

@article{Gabriel2006BetaDA,
  title={Beta diversity at different spatial scales: plant communities in organic and conventional agriculture.},
  author={Doreen Gabriel and Indra Roschewitz and Teja Tscharntke and Carsten Thies},
  journal={Ecological applications : a publication of the Ecological Society of America},
  year={2006},
  volume={16 5},
  pages={2011-21}
}
Biodiversity studies that guide agricultural subsidy policy have generally compared farming systems at a single spatial scale: the field. However, diversity patterns vary across spatial scales. Here, we examined the effects of farming system (organic vs. conventional) and position in the field (edge vs. center) on plant species richness in wheat fields at three spatial scales. We quantified alpha-, beta-, and gamma-diversity at the microscale in 800 plots, at the mesoscale in 40 fields, and at… CONTINUE READING
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