Old Pinus massoniana forests benefit more from recent rapid warming in humid subtropical areas of central-southern China

扫码查看

原文链接

NETL
NSTL
万方数据

外文摘要：Trees progress through various growth stages,each marked by specific responses and adaptation strate-gies to environmental conditions.Despite the importance of age-related growth responses on overall forest health and management policies,limited knowledge exists regarding age-related effects on dendroclimatic relationships in key subtropical tree species.In this study,we employed a den-drochronological method to examine the impact of rapid warming on growth dynamics and climatic sensitivity of young(40-60 years)and old(100-180 years)Pinus mas-soniana forests across six sites in central-southern China.The normalized log basal area increment of trees in both age groups increased significantly following rapid warming in 1984.Trees in young forests further showed a distinct growth decline during a prolonged severe drought(2004-2013),whereas those in old forests maintained growth increases.Tree growth was more strongly influenced by temperature than by moisture,particularly in old forests.Spring tem-peratures strongly and positively impacted the growth of old trees but had a weaker effect on young ones.Old forests had a significantly lower resistance to extreme drought but faster recovery compared to young forests.The"divergence problem"was more pronounced in younger forests due to their heightened sensitivity to warming-induced drought and heat stress.With ongoing warming,young forests also may initially experience a growth decline due to their heightened sensitivity to winter drought.Our findings underscore the importance of considering age-dependent changes in forest/tree growth response to warming in subtropical forest man-agement,particularly in the context of achieving"Carbon Peak & Carbon Neutrality"goals in China.

外文关键词：

Tree ringsPinus massonianaAge effectsDrought resilienceSubtropical forestsRapid warming

作者：

Wenxin Li、Liangjun Zhu、Lianhua Zhu、Mengdan Jing、Censhi Qian、Yu Zhu、Paolo Cherubini、Tao Xu

展开 >

作者单位：

College of Life Science and Technology,Central South University of Forestry and Technology,Changsha 410004,People's Republic of China

Swiss Federal Institute for Forest,Snow and Landscape Research WSL,8903 Birmensdorf,Switzerland

Department of Forest and Conservation Sciences,Faculty of Forestry,University of British Columbia,2004-2424 Main Mall,Vancouver,BC V6T 1Z4,Canada

基金：

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaChina Postdoctoral Science FoundationChina Postdoctoral International Exchange Fellowship ProgramNatural Science Foundation of Hunan ProvinceOpen Access funding provided by Lib4RI-Library for the Research Institutes within the ETH Domain:Eawag,Empa,PSI &WSL

项目编号：

42107476319012412020M682600PC20210992021JJ41075

出版年：

2024

DOI：

10.1007/s11676-024-01740-8

林业研究(英文版)

东北林业大学,中国生态学学会

林业研究(英文版)

CSTPCDEI

影响因子：0.365

ISSN：1007-662X

年,卷(期)：2024.35(5)