DOI: 10.1016/j.foreco.2013.01.032
Scopus记录号: 2-s2.0-84874699373
论文题名: Plastic responses of Populus yunnanensis and Abies faxoniana to elevated atmospheric CO2 and warming
作者: Duan B. ; Zhang X. ; Li Y. ; Li L. ; Korpelainen H. ; Li C.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2013
卷: 296 起始页码: 33
结束页码: 40
语种: 英语
英文关键词: Climate change
; Leaf area ratio
; Morphological and physiological plasticity
; Nitrogen use efficiency
; Photosynthetic capacity
Scopus关键词: Atmospheric CO
; Evergreen tree species
; Interspecific differences
; Leaf area ratios
; Leaf respiration
; Net photosynthesis rate
; Nitrogen uptake efficiency
; Nitrogen-use efficiency
; Photosynthetic capacity
; Plastic response
; Populus
; Root/shoot ratio
; Specific root length
; Stomatal conductance
; Temperature treatments
; Climate change
; Efficiency
; Forestry
; Nitrogen
; Plants (botany)
; Plasticity
; Carbon dioxide
; adaptation
; carbon dioxide
; climate change
; deciduous tree
; evergreen tree
; global warming
; growth rate
; interspecific variation
; nutrient uptake
; nutrient use efficiency
; phenotypic plasticity
; physiological response
; respiration
; Abies Faxoniana
; Anatomy
; Carbon Dioxide
; Climates
; Efficiency
; Growth
; Nitrogen
; Nutrients
; Photosynthesis
; Plants
英文摘要: To examine whether deciduous and evergreen tree species differ in their performance and plastic responses to elevated atmospheric CO2 and temperature, we investigated growth, leaf area ratio (LAR), specific root length (SRL), nitrogen uptake efficiency (NUpE) and nitrogen use efficiency (NUE) of Populus yunnanensis and Abies faxoniana grown in environment-controlled chambers. Our results showed that temperature stimulated growth more than did CO2 in both species. The magnitude of temperature and CO2 effects varied between the species, as greater stimulation was detected in A. faxoniana than in P. yunnanensis. Greater responses of A. faxoniana were associated with higher LAR and higher NUE. However, NUpE did not differ between species and could not explain this advantage. On the other hand, the studied species did not differ in their mean overall plasticity (calculated for each species by averaging the indices of plasticity obtained for each of the 17 variables), which, however, was achieved in different ways. Across CO2 and temperature treatments, A. faxoniana exhibited greater plasticity in stomatal conductance, LAR, SRL and NUE, whereas P. yunnanensis exhibited greater plasticity in net photosynthesis rate, leaf respiration and root/shoot ratio. Our results suggested that plasticity of key traits, such as LAR, SRL and NUE, may have important implications for the superiority of A. faxoniana in the response to climate change. Our results highlight the importance of exploring the functional significance of traits rather than the extent of plasticity as potential determinants of interspecific differences in responses to climate change. © 2013 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66649
Appears in Collections: 影响、适应和脆弱性
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作者单位: Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; Department of Agricultural Sciences, University of Helsinki, P.O. Box 27, FI-00014 Helsinki, Finland
Recommended Citation:
Duan B.,Zhang X.,Li Y.,et al. Plastic responses of Populus yunnanensis and Abies faxoniana to elevated atmospheric CO2 and warming[J]. Forest Ecology and Management,2013-01-01,296