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Precipitation mediates the temporal dynamics of net primary productivity and precipitation use efficiency in China's northern and southern forests
Sun, Jian1,2; Zhou, Tiancai1,3,4; Du, Wenpeng1,3; Wei, Yanqiang5
2019-09-01
Source PublicationANNALS OF FOREST SCIENCE
ISSN1286-4560
Volume76Issue:3Pages:12
Corresponding AuthorZhou, Tiancai(zhoutc.18b@igsnrr.ac.cn)
AbstractKey message Precipitation mediates the dynamic of net primary productivity and precipitation use efficiency across the North-South Transect forests of China, which may result from an increase of productivity in warm temperate deciduous broad-leaved forests or a decrease of precipitation use efficiency in temperate coniferous broad-leaved mixed forests. Context Precipitation use efficiency (PUE), the ratio of net primary productivity (NPP) to annual precipitation, is one of the key factors that can clarify the response of forest ecosystem carbon and water cycles to ongoing climate change. Aims To investigate large-scale patterns of NPP and PUE, and to determine how NPP and PUE would respond to climate and soil variables across the North-South Transect forests (TNSTF) of China. Methods We revealed the spatial pattern dynamics of NPP and PUE in the TNSTF from 2000 to 2010 employing MOD17 NPP data and further explored the responses of NPP and PUE to environment factors across the TNSTF. Additionally, the temporal dynamics of NPP and PUE in different forest types and their dependencies on climate variation were investigated. Results The results indicated that NPP increased from 2000 to 2010 in most regions across the TNSTF. The spatial distribution pattern of NPP was mainly correlated with climate factors in the TNSTF rather than soil properties. Spatially, an increased trend of PUE (2000-2010) was found in the south and decreased PUE was revealed in the north of the TNSTF. In addition, the spatial distribution of PUE in the TNSTF was associated with both climate and soil factors. For different forests, only the NPP in warm temperate deciduous broad-leaved forests significantly increased (2000-2010, R-2 = 0.33, P < 0.05) due to the increase in precipitation (R-2 = 0.82, P < 0.0005). Moreover, only the PUE in temperate coniferous broad-leaved mixed forests presented a significantly decreasing trend (2000-2010, R-2 = 0.38, P < 0.05), which was significantly negatively correlated with precipitation (R-2 = 0.80, P < 0.0005). Conclusion Our findings demonstrated that climate governed the spatial distribution of NPP; in addition to the climate, soil properties also played an important role in shaping the spatial distribution of PUE. Our findings highlight that the dynamics of precipitation rather than those of temperature mediated the variations in NPP and PUE in forests across the TNSTF.
KeywordPrecipitation use efficiency Net primary production Climate Forest ecosystem The north-south transect China
DOI10.1007/s13595-019-0876-1
WOS KeywordWATER-USE EFFICIENCY ; RAIN-USE EFFICIENCY ; TERRESTRIAL CARBON-CYCLE ; CLIMATE-CHANGE ; ALPINE GRASSLAND ; VEGETATION ; VARIABILITY ; GRADIENT ; BIOMASS ; CO2
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41871040] ; National Natural Science Foundation of China[41501057] ; National Natural Science Foundation of China[41661144045] ; West Light Foundation of the Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China ; West Light Foundation of the Chinese Academy of Sciences
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000483779200002
PublisherSPRINGER FRANCE
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69692
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhou, Tiancai
Affiliation1.Chinese Acad Sci, Synth Res Ctr Chinese Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modelling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Res Ctr Eco Environm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosystem Network Observat & Modeling, Lhasa Plateau Ecosystem Res Stn, Beijing 100101, Peoples R China
5.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Remote Sensing Gansu Prov, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Sun, Jian,Zhou, Tiancai,Du, Wenpeng,et al. Precipitation mediates the temporal dynamics of net primary productivity and precipitation use efficiency in China's northern and southern forests[J]. ANNALS OF FOREST SCIENCE,2019,76(3):12.
APA Sun, Jian,Zhou, Tiancai,Du, Wenpeng,&Wei, Yanqiang.(2019).Precipitation mediates the temporal dynamics of net primary productivity and precipitation use efficiency in China's northern and southern forests.ANNALS OF FOREST SCIENCE,76(3),12.
MLA Sun, Jian,et al."Precipitation mediates the temporal dynamics of net primary productivity and precipitation use efficiency in China's northern and southern forests".ANNALS OF FOREST SCIENCE 76.3(2019):12.
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