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Comparisons of radial growth and tree-ring cellulose C-13 for Pinus sylvestris var. mongolica in natural and plantation forests on sandy lands
Song, Lining1,2,3; Li, Mingcai1,2,3; Zhu, Jiaojun1,2,3; Zhang, Jinxin1,2,3
Corresponding AuthorZhu, Jiaojun(jiaojunzhu@iae.ac.cn)
2017
Source PublicationJOURNAL OF FOREST RESEARCH
ISSN1341-6979
Volume22Issue:3Pages:160-168
AbstractTo reveal the effects of water stress on the decline in introduced Mongolian pine (Pinus sylvestris var. mongolica) plantations, radial growth (basal area increment, BAI) and tree-ring cellulose C-13 (carbon isotope composition) were compared in an introduced Mongolian pine plantation and a natural Mongolian pine forest during 1965-2009. Results showed that the BAI of plantation trees increased until 1990, followed by an abrupt decline from 1990 to 1996 and maintained a stable level thereafter. In contrast, no sign of decreased growth was found for natural trees. Tree-ring C-13(corr) of plantation trees, corrected for atmospheric changes in C-13, significantly increased before and after 1990. However, no significant variations in tree-ring C-13(corr) for natural trees before and after 1990 indicated no obviously water stress. Intrinsic water-use efficiency (iWUE, calculated from tree-ring C-13) significantly increased before and after 1990 for both forests. Significant negative relationship between BAI and C-13(corr) or iWUE was found for plantation trees after 1990 when precipitation, Palmer Drought Severity Index (PDSI) and groundwater level decreased, suggesting water stress impact on growth. For plantation trees, PDSI was positively and negatively correlated with BAI and C-13(corr), respectively, after 1990. For natural trees, BAI had no relationship with PDSI after 1990. These findings suggested that a decrease in PDSI (e.g. decreased precipitation and higher temperature) and groundwater level had made plantation trees face a more serious water stress compared with that of natural trees, which decreased tree growth. However, other stressors such as nutrient limitation may also contribute to growth decline.
KeywordWater stress tree growth forest decline groundwater level
Funding OrganizationNational Nature Science Foundation of China
DOI10.1080/13416979.2017.1288775
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[31300592] ; National Nature Science Foundation of China[31025007]
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000401738100004
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/126986
Collection中国科学院金属研究所
Corresponding AuthorZhu, Jiaojun
Affiliation1.Inst Appl Ecol, CAS Key Lab Forest Ecol & Management, Shenyang, Peoples R China
2.Inst Appl Ecol, Liaoning Key Lab Management Noncommercial Forests, Shenyang, Peoples R China
3.Chinese Acad Sci, Qingyuan Forest CERN, Shenyang, Peoples R China
Recommended Citation
GB/T 7714
Song, Lining,Li, Mingcai,Zhu, Jiaojun,et al. Comparisons of radial growth and tree-ring cellulose C-13 for Pinus sylvestris var. mongolica in natural and plantation forests on sandy lands[J]. JOURNAL OF FOREST RESEARCH,2017,22(3):160-168.
APA Song, Lining,Li, Mingcai,Zhu, Jiaojun,&Zhang, Jinxin.(2017).Comparisons of radial growth and tree-ring cellulose C-13 for Pinus sylvestris var. mongolica in natural and plantation forests on sandy lands.JOURNAL OF FOREST RESEARCH,22(3),160-168.
MLA Song, Lining,et al."Comparisons of radial growth and tree-ring cellulose C-13 for Pinus sylvestris var. mongolica in natural and plantation forests on sandy lands".JOURNAL OF FOREST RESEARCH 22.3(2017):160-168.
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