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Water flux responses of tropical trees and lianas to foliage loss caused by a heavy hailstorm
Siddiq, Zafar1; Chen, Ya-Jun; Cao, Kun-Fang
2021
Source PublicationECOHYDROLOGY
ISSN1936-0584
Volume14Issue:4Pages:-
Abstract

Large-diameter hail is unusual in the lowland tropics; consequently, its impact on water flux responses of trees and lianas due to foliage loss is unknown. In December 2012, Xishuangbanna Tropical Botanical Garden (21 degrees 55 ' N) in southern Yunnan, China, experienced the most severe hailstorm in approximately 30 years, with hailstones of 8- to 17-mm diameter falling for 10-30 min. We assessed the effect of this hailstorm on sap flux density (SFD) in response to foliage loss in six tree and three liana species. Among the trees, for a given atmospheric vapour pressure deficit (VPD), Tectona grandis and Dipterocarpus tuberculatus showed a significant reduction in sap flux density and water use during the post-hailstorm week in comparison to pre-hailstorm week. In contrast, a liana Ventilago calyculata showed a significant increase in SFD during the first post-hailstorm week, whereas the other tree and liana species showed no significant change in their SFD and water use. T. grandis also showed visible wilting during the first 5 days post-hailstorm. However, this tree species showed recovery from wilting and also no more reduction in SFD after similar to 7-9 days. D. tuberculatus also showed SFD recovery a week post-hailstorm. We conclude that the impact of a heavy hailstorm on the water flux of tropical trees and lianas was mild or neglectable. Our study documented a rare severe hailstorm occurrence and its impact on ecosystem processes of tropical forest and enhances our understanding about water flux of tropical woody species exposed to hailstorm.

Subject AreaEnvironmental Sciences & Ecology ; Water Resources
DOI10.1002/eco.2288
Indexed BySCI
Language英语
WOS IDWOS:000639238900001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/12297
Collection植物生理生态研究组
Affiliation1.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
2.Govt Coll Univ, Dept Bot, Lahore, Pakistan
3.Univ Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Beijing, Peoples R China
4.Guangxi Univ, Plant Ecophysiol & Evolut Grp, State Key Lab Conservat & Utilizat Subtrop Agrobi, Nanning 530005, Guangxi, Peoples R China
5.Guangxi Univ, Guangxi Key Lab Forest Ecol & Conservat, Nanning 530005, Guangxi, Peoples R China
6.Guangxi Univ, Coll Forestry, Nanning 530005, Guangxi, Peoples R China
Recommended Citation
GB/T 7714
Siddiq, Zafar,Chen, Ya-Jun,Cao, Kun-Fang. Water flux responses of tropical trees and lianas to foliage loss caused by a heavy hailstorm[J]. ECOHYDROLOGY,2021,14(4):-.
APA Siddiq, Zafar,Chen, Ya-Jun,&Cao, Kun-Fang.(2021).Water flux responses of tropical trees and lianas to foliage loss caused by a heavy hailstorm.ECOHYDROLOGY,14(4),-.
MLA Siddiq, Zafar,et al."Water flux responses of tropical trees and lianas to foliage loss caused by a heavy hailstorm".ECOHYDROLOGY 14.4(2021):-.
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