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Alpine timberline population dynamics under climate change: a comparison between Qilian juniper and Qinghai spruce tree species in the middle Qilian Mountains of northeast Tibetan Plateau
Wang, Bo1,2; Chen, Tuo1; Xu, Guobao1; Liu, Xiaohong1; Wang, Wenzhi3; Wu, Guoju1,2; Zhang, Youfu4
Corresponding AuthorChen, Tuo
2016
Source PublicationBOREAS
ISSN0300-9483
EISSN1502-3885
Volume45Issue:3Pages:411-422
SubtypeArticle
AbstractAlpine forest population dynamics are sensitive to climate change. Response patterns are complex, and it is still unclear as to whether or not population dynamics are species-dependent. In this study, population dynamic patterns for alpine timberline Qilian juniper and Qinghai spruce tree species in the mid Qilian Mountains were determined from approximately 1500 C.E. by applying dendrochronological methods. The results showed that these tree species have different forest population dynamics. The Qinghai spruce recruitment rate was clearly higher than that of Qilian juniper. Furthermore, the temporal population dynamic patterns of Qinghai spruce samples taken at different sites were consistent whereas those of the Qilian juniper samples were not. Qinghai spruce population dynamics were primarily affected by temperature, with positive correlations between temperature and recruitment. By contrast, with the exception of a positive to negative shift in the relationship between temperature and Qilian juniper population dynamics, Qilian juniper recruitment significantly decreased when its density reached a relatively high level. Moreover, a shift in the temperature-recruitment relationship and a decrease in recruitment occurred simultaneously, indicating that Qilian juniper population dynamics were affected by both temperature and density. Species to species differences were also observed when compared with previous studies within the mid Qilian Mountains, confirming the existence of species-dependent population dynamic patterns. Forest recruitment dynamic patterns and tree recruitment-climate relationships may help to provide clues for future studies on forest management, conservation and utilization.
KeywordAlpine Timberline
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1111/bor.12161
WOS Subject ExtendedPhysical Geography ; Geology
Indexed BySCI
WOS KeywordNORTHWESTERN CHINA ; RING WIDTH ; SWEDISH SCANDES ; VARIABILITY ; DROUGHT ; TEMPERATURE ; RECRUITMENT ; MECHANISMS ; RECORD ; FOREST
Language英语
Quartile3区
TOP
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000385404200003
Funding OrganizationNational Key Technology R&D Program of China(2014BAC05B02) ; Key Research Program of the Chinese Academy of Sciences(KZZD-EW-04-05) ; National Natural Science Foundation of China(31200299 ; Light of West China Program of Chinese Academy of Sciences ; 41501049)
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18126
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab Cryospher Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Key Lab Mt Environm Evolut & Regulat, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
4.Henan Univ Sci & Technol, Coll Agr, Luoyang 471003, Peoples R China
Recommended Citation
GB/T 7714
Wang, Bo,Chen, Tuo,Xu, Guobao,et al. Alpine timberline population dynamics under climate change: a comparison between Qilian juniper and Qinghai spruce tree species in the middle Qilian Mountains of northeast Tibetan Plateau[J]. BOREAS,2016,45(3):411-422.
APA Wang, Bo.,Chen, Tuo.,Xu, Guobao.,Liu, Xiaohong.,Wang, Wenzhi.,...&Zhang, Youfu.(2016).Alpine timberline population dynamics under climate change: a comparison between Qilian juniper and Qinghai spruce tree species in the middle Qilian Mountains of northeast Tibetan Plateau.BOREAS,45(3),411-422.
MLA Wang, Bo,et al."Alpine timberline population dynamics under climate change: a comparison between Qilian juniper and Qinghai spruce tree species in the middle Qilian Mountains of northeast Tibetan Plateau".BOREAS 45.3(2016):411-422.
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