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Light use efficiency of a warm-temperate mixed plantation in north China
Tong, Xiaojuan1; Zhang, Jinsong2; Meng, Ping2; Li, Jun3; Zheng, Ning2
2017-09-01
Source PublicationINTERNATIONAL JOURNAL OF BIOMETEOROLOGY
ISSN0020-7128
Volume61Issue:9Pages:1607-1615
Corresponding AuthorTong, Xiaojuan(tongxj@bjfu.edu.cn)
AbstractLight use efficiency (LUE) is one of the important parameters on calculating terrestrial gross primary productivity (GPP) and net primary productivity (NPP). Based on 5-year (2006-2010) carbon flux and climatic variable data of a mixed plantation in north China, the seasonal and interannual variation of LUE was investigated and the biophysical controls were examined. Our results show that LUE had a distinct seasonal course, and peaked in the vigorous growing season with a value of 0.92-1.27 g C MJ(-1). During the period of 2006-2010, annual mean LUE ranged between 0.54 and 0.62 g C MJ(-1), and it was linearly correlated with annual GPP. In the growing season, LUE was significantly linked with the water availability variables (including monthly mean vapor pressure deficit (VPD), precipitation, evaporative fraction (EF), and the ratio of precipitation to evapotranspiration (P/ET)) and canopy conductance (g (c)). However, EF was a better estimator of LUE compared with other biophysical variables. LUE decreased with an increase of the clearness index (CI), indicating that LUE was higher under cloudy sky conditions than that under sunny sky conditions in the mixed plantation.
KeywordGross primary productivity Light use efficiency Clearness index Mixed plantation
DOI10.1007/s00484-017-1339-8
WOS KeywordGROSS PRIMARY PRODUCTIVITY ; RADIATION-USE EFFICIENCY ; NET ECOSYSTEM EXCHANGE ; CARBON-DIOXIDE EXCHANGE ; WATER-VAPOR EXCHANGE ; DOUGLAS-FIR FOREST ; TERRESTRIAL ECOSYSTEMS ; RESPONSE PARAMETERS ; TOWER MEASUREMENTS ; DIFFUSE SUNLIGHT
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31570617] ; National Natural Science Foundation of China[31100322] ; Fundamental Research Funds for the Central Universities[YX2011-19]
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
WOS Research AreaBiophysics ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Physiology
WOS SubjectBiophysics ; Environmental Sciences ; Meteorology & Atmospheric Sciences ; Physiology
WOS IDWOS:000410745700010
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61918
Collection中国科学院地理科学与资源研究所
Corresponding AuthorTong, Xiaojuan
Affiliation1.Beijing Forestry Univ, Coll Forestry, Beijing 100083, Peoples R China
2.Chinese Acad Forestry, Res Inst Forestry, Key Lab Tree Breeding & Cultivat State Forestry A, Beijing 100091, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Tong, Xiaojuan,Zhang, Jinsong,Meng, Ping,et al. Light use efficiency of a warm-temperate mixed plantation in north China[J]. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY,2017,61(9):1607-1615.
APA Tong, Xiaojuan,Zhang, Jinsong,Meng, Ping,Li, Jun,&Zheng, Ning.(2017).Light use efficiency of a warm-temperate mixed plantation in north China.INTERNATIONAL JOURNAL OF BIOMETEOROLOGY,61(9),1607-1615.
MLA Tong, Xiaojuan,et al."Light use efficiency of a warm-temperate mixed plantation in north China".INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 61.9(2017):1607-1615.
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