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Response of stem radial growth of Qinghai spruce (Picea crassifolia) to environmental factors in the Qilian Mountains of China
Tian, Quanyan1,4; He, Zhibin1; Xiao, Shengchun2; Peng, Xiaomei3; Ding, Aijun2,4; Lin, Pengfei1,4
2017-06-01
Source PublicationDENDROCHRONOLOGIA
ISSN1125-7865
Volume44Pages:76-83
Corresponding AuthorHe, Zhibin(hzbmail@lzb.ac.cn)
AbstractExploring the response of intra-annual tree growth to environmental factors is critical for the understanding of the effects of climate changes on tree seasonal growth patterns. We monitored stem radial changes of Qinghai spruce (Picea crassifolia) over two growing seasons (2014 and 2015) in the Qilian Mountains of China using high-resolution point dendrometers. Our results showed that the onset of the main growth period occurred around 11 May. Soil temperature was a key environmental factor influencing the onset of tree growth. Stem radial growth commenced when soil temperature at 40 cm depth was > 0 degrees C. The timing of radial growth cessation exhibited greater variability than onset, ranging from late July to early August, and was probably unrelated to climatic conditions. We found close relationships between maximum daily shrinkage (MDS) and air temperature, precipitation, soil water content, and soil temperature. Maximum and mean air temperature, relative air humidity, vapor pressure deficit, and precipitation had significant effects on daily stem radial increment (SRI). Precipitation was one of the most important factors influencing stem radial growth. Moreover, the number of precipitation days was more significant in promoting cumulative seasonal growth of Qinghai spruce than total precipitation. With climate warming, the onset of radial growth may occur earlier than before, and seasonal growth patterns of trees may change.
KeywordQinghai spruce Dendrometer Stem radial change Climate-growth relationship Qilian Mountains
DOI10.1016/j.dendro.2017.04.001
WOS KeywordHEIHE RIVER-BASIN ; ARID NORTHWESTERN CHINA ; BALSAM FIR ; SAP FLOW ; HYDROCLIMATIC FACTORS ; SOUTHERN CHILE ; SOIL-MOISTURE ; LOWER REACHES ; BLACK SPRUCE ; TREE-RINGS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41522102] ; National Natural Science Foundation of China[41601051]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaPlant Sciences ; Forestry ; Physical Geography
WOS SubjectPlant Sciences ; Forestry ; Geography, Physical
WOS IDWOS:000415944500010
PublisherELSEVIER GMBH, URBAN & FISCHER VERLAG
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/56724
Collection中国科学院地理科学与资源研究所
Corresponding AuthorHe, Zhibin
Affiliation1.Chinese Acad Sci, Linze Inland River Basin Res Stn, Key Lab Ecohydrol Inland River Basin, Chinese Ecosyst Res Network,Northwest Inst Ecoenv, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Ecohydrol Inland River Basin, Lanzhou 730000, Gansu, Peoples R China
3.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tian, Quanyan,He, Zhibin,Xiao, Shengchun,et al. Response of stem radial growth of Qinghai spruce (Picea crassifolia) to environmental factors in the Qilian Mountains of China[J]. DENDROCHRONOLOGIA,2017,44:76-83.
APA Tian, Quanyan,He, Zhibin,Xiao, Shengchun,Peng, Xiaomei,Ding, Aijun,&Lin, Pengfei.(2017).Response of stem radial growth of Qinghai spruce (Picea crassifolia) to environmental factors in the Qilian Mountains of China.DENDROCHRONOLOGIA,44,76-83.
MLA Tian, Quanyan,et al."Response of stem radial growth of Qinghai spruce (Picea crassifolia) to environmental factors in the Qilian Mountains of China".DENDROCHRONOLOGIA 44(2017):76-83.
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