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W. Kolby Smith, Cory C. Cleveland, Sasha C. Reed and Steven W. Running Agricultural conversion without external water and nutrient inputs reduces terrestrial vegetation productivity Geophysical Research Letters 41

Version of Record online: 16 JAN 2014 | DOI: 10.1002/2013GL058857

Key Points

  • Globally, ~88% of agricultural lands are underproducing relative to the natural rates of NPP
  • NPP reductions due to land cover conversion are greatest for tropical ecosystems
  • Without new policies, agriculture will likely continue to degrade global NPP

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