Gross primary production of global forest ecosystems has been overestimated

  title={Gross primary production of global forest ecosystems has been overestimated},
  author={Jianyong Ma and Xiaodong Yan and Wenjie Dong and Jieming Chou},
  booktitle={Scientific reports},
Coverage rate, a critical variable for gridded forest area, has been neglected by previous studies in estimating the annual gross primary production (GPP) of global forest ecosystems. In this study, we investigated to what extent the coverage rate could impact forest GPP estimates from 1982 to 2011. Here we show that the traditional calculation without considering the coverage rate globally overestimated the forest gross carbon dioxide uptake by approximately 8.7%, with a value of 5.12 ± 0.23… CONTINUE READING
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