Abstract Although subtropical forests play a key role in global carbon budget, how the root respiration, a substantial part of ecosystem carbon flux, responds to ongoing climate warming in this… Click to show full abstract
Abstract Although subtropical forests play a key role in global carbon budget, how the root respiration, a substantial part of ecosystem carbon flux, responds to ongoing climate warming in this ecosystem is not well understood. This study investigated fine root respiration in two cultivars of Chinese fir (third-generation seed and Yanglin 061) in response to both seasonal temperature variation and soil warming (ambient +4 ˚C). By measuring specific respiration rates at 20 ˚C (SRR20) of the fine roots (
               
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