Understanding predicted shifts in diazotroph biogeography using resource competition theory

  title={Understanding predicted shifts in diazotroph biogeography using resource competition theory},
  author={Stephanie Dutkiewicz and Ben A. Ward and Jeffery R. Scott},
We examine the sensitivity of the biogeography of nitrogen fixers to a warming climate and increased aeolian iron deposition in the context of a global earth system model. We employ concepts from the resource-ratio theory to provide a simplifying and transparent interpretation of the results. First we demonstrate that a set of clearly defined, easily diagnosed provinces are consistent with the theory. Using this framework we show that the regions most vulnerable to province shifts and changes… CONTINUE READING
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