作者: Sebastiaan Luyssaert , E. -Detlef Schulze , Annett Börner , Alexander Knohl , Dominik Hessenmöller
DOI: 10.1038/NATURE07276
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摘要: … values indicate carbon sinks and negative values indicate carbon sources. b, Observed ratio of heterotrophic respiration (Rh) to NPP versus age; Rh:NPP < 1 indicates a carbon sink. c, …