Long-term effects of 7-year warming experiment in the field on leaf hydraulic and economic traits of subtropical tree species

© 2020 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 12 vom: 11. Dez., Seite 7144-7157
1. Verfasser: Wu, Ting (VerfasserIn)
Weitere Verfasser: Tissue, David T, Li, Xu, Liu, Shizhong, Chu, Guowei, Zhou, Guoyi, Li, Yuelin, Zheng, Mianhai, Meng, Ze, Liu, Juxiu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article 7-year field warming LMA leaf economic traits leaf hydraulic traits phenotypic plasticity subtropical forest Nitrogen N762921K75
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520 |a Rising temperature associated with climate change may have substantial impacts on forest tree functions. We conducted a 7-year warming experiment in subtropical China by translocating important native forest tree species (Machilas breviflora, Syzygium rehderianum, Schima superba and Itea chinensis) from cooler high-elevation sites (600 m) to 1-2°C warmer low-elevation sites (300 and 30 m) to investigate warming effects on leaf hydraulic and economic traits. Here, we report data from the last 3 years (Years 5-7) of the experiment. Warming increased leaf hydraulic conductance of S. superba to meet the higher evaporative demand. M. breviflora (300 m), S. rehderianum, S. superba and I. chinensis (300 and 30 m) exhibited higher area-based and mass-based maximum photosynthetic rates (Aa and Am , respectively) related to increasing stomatal conductance (gs ) and stomatal density in the wet season, which led to rapid growth; however, we observed decreased growth of M. breviflora at 30 m due to lower stomatal density and decreased Aa in the wet season. Warming increased photosynthetic nitrogen-use efficiency and photosynthetic phosphorus-use efficiency, but reduced leaf dry mass per unit area due to lower leaf thickness, suggesting that these tree species allocated more resources into upregulating photosynthesis rather than into structural investment. Our findings highlight that there was trait variation in the capacity of trees to acclimate to warmer temperatures such that I. chinensis may benefit from warming, but S. superba may be negatively influenced by warming in future climates 
650 4 |a Journal Article 
650 4 |a 7-year field warming 
650 4 |a LMA 
650 4 |a leaf economic traits 
650 4 |a leaf hydraulic traits 
650 4 |a phenotypic plasticity 
650 4 |a subtropical forest 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
700 1 |a Tissue, David T  |e verfasserin  |4 aut 
700 1 |a Li, Xu  |e verfasserin  |4 aut 
700 1 |a Liu, Shizhong  |e verfasserin  |4 aut 
700 1 |a Chu, Guowei  |e verfasserin  |4 aut 
700 1 |a Zhou, Guoyi  |e verfasserin  |4 aut 
700 1 |a Li, Yuelin  |e verfasserin  |4 aut 
700 1 |a Zheng, Mianhai  |e verfasserin  |4 aut 
700 1 |a Meng, Ze  |e verfasserin  |4 aut 
700 1 |a Liu, Juxiu  |e verfasserin  |4 aut 
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773 1 8 |g volume:26  |g year:2020  |g number:12  |g day:11  |g month:12  |g pages:7144-7157 
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