Radial Growth Adaptability to Drought in Different Age Groups of Picea schrenkiana Fisch. & CA Mey in the Tianshan Mountains of Northwestern China
Jiao, Liang; Liu, Xiaoping; Wang, Shengjie; Chen, Ke
2020-04
Source PublicationFORESTS
ISSN1999-4907
Volume11Issue:4
AbstractForest ecosystems are strongly impacted by extreme climate, and the age effects of radial growth under drought can provide profound understanding of the adaptation strategy of a tree species to climate change. Schrenk spruce (Picea schrenkiana Fisch. & C.A. Mey) trees of three age groups (young, middle-aged, and old) were collected to establish the tree-ring width chronologies in the eastern Tianshan Mountains of northwestern China. Meanwhile, we analyzed and compared the response and resistance disparities of radial growth to drought in trees of different age groups. The results showed that (1) drought stress caused by increasing temperatures was the main factor limiting the radial growth of Schrenk spruce, (2) the old and young trees were more susceptible to drought stress than the middle-aged trees, as suggested by the responses of Schrenk spruce trees and based on the SPEI (standardized precipitation evapotranspiration index), and (3) the difference of the resistance indexes (resistance, recovery, resilience, and relative resilience) of three age groups to drought supported that the resistance values were in the order middle age > young age > old age, but the recovery, resilience, and relative resilience values were in the order old age > young age > middle age. These results will provide a basis for the ecological restoration and scientific management of dominant coniferous tree species of different age groups in the sub-alpine forest ecosystems of the arid regions under climate change scenarios.
KeywordPicea schrenkiana age effect climate response drought resistance Tianshan Mountains Climate change Conservation Drought Ecosystems Adaptation strategies Climate change scenarios Ecological restoration Forest ecosystem Increasing temperatures Northwestern China Resistance values Scientific management
DOI10.3390/f11040455
Indexed BySCIE ; EI
Language英语
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000534632500093
PublisherMDPI
EI Accession Number20202008669137
EI KeywordsForestry
EI Classification Number443.1 Atmospheric Properties ; 444 Water Resources ; 454.3 Ecology and Ecosystems
Original Document TypeJournal article (JA)
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.nwnu.edu.cn/handle/39RV6HYL/34155
Collection实体学院_地理与环境科学学院
直属单位_继续教育学院(甘肃省高等学校师资培训中心办公室、职业技术师范学院、兰州企业管理人员培训中心)
直属单位_教师发展中心
Corresponding AuthorJiao, Liang
AffiliationNorthwest Normal Univ, Coll Geog & Environm Sci, 967 Anning East Rd, Lanzhou 730070, Peoples R China
First Author Affilication地理与环境科学学院
Corresponding Author Affilication地理与环境科学学院
First Signature Affilication地理与环境科学学院
Recommended Citation
GB/T 7714
Jiao, Liang,Liu, Xiaoping,Wang, Shengjie,et al. Radial Growth Adaptability to Drought in Different Age Groups of Picea schrenkiana Fisch. & CA Mey in the Tianshan Mountains of Northwestern China[J]. FORESTS,2020,11(4).
APA Jiao, Liang,Liu, Xiaoping,Wang, Shengjie,&Chen, Ke.(2020).Radial Growth Adaptability to Drought in Different Age Groups of Picea schrenkiana Fisch. & CA Mey in the Tianshan Mountains of Northwestern China.FORESTS,11(4).
MLA Jiao, Liang,et al."Radial Growth Adaptability to Drought in Different Age Groups of Picea schrenkiana Fisch. & CA Mey in the Tianshan Mountains of Northwestern China".FORESTS 11.4(2020).
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