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Does fluctuation of meteorological conditions across years influence stand transpiration of Tectona grandis plantation?
Siddiq, Zafar5,6; Tomlinson, Kyle W.; Zhu, Shi-Dan; Cao, Kun-Fang
2019
Source PublicationECOHYDROLOGY
ISSN1936-0584
VolumexIssue:xPages:-
Abstract

Tectona grandis (teak) is widely planted as high-quality timber in the seasonal tropics, yet detailed data on its seasonal water use and the effect of climatic fluctuations on its transpiration behaviour are limited. We measured sap flux density (SFD) using Granier's sap flow sensors for three wet and two dry seasons in the years 2012, 2014, and 2015 (wet season only) in 7 to 14 trees and made a calibration of Granier's equation for teak to calculate SFD for estimating whole-tree water consumption and stand-level transpiration. We also characterized the effects of daily rainfall, vapour pressure deficit, and photosynthetically active radiation on the daily SFD of individual trees. We found a large fluctuation in rainfall in the wet seasons of 2012 to 2015 (1,159 mm in 2012, 778 mm in 2014, and 727 mm in 2015). Total wet and dry season stand-level transpiration were 824 and 501 mm in 2012 and 446 and 214 mm in 2014, respectively, whereas the wet season transpiration of 2015 was 358 mm. Namely, reduced wet season rainfall reduced the total stand-level transpiration of teak at the study site. Most variations in daily SFD were due to differences in meteorological conditions, that is, day-time mean vapour pressure deficit, photosynthetically active radiation, and daily rainfall associated with the seasons of particular year. We also established models to estimate the stand-level transpiration of a teak plantation. The findings of the present study could be useful for forestation program and hydrological management in tropical regions with seasonal drought.

KeywordXYLEM SAP FLOW WATER-USE INTERANNUAL VARIATION TREE TRANSPIRATION DECIDUOUS FOREST SOLAR-RADIATION TEAK PLANTATION CARBON CAVITATION EVERGREEN
Subject AreaEnvironmental Sciences & Ecology ; Water Resources
DOI10.1002/eco.2116
Indexed BySCI
Language英语
WOS IDWOS:000473601700001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11344
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.Guangxi Univ, Plant Ecophysiol & Evolut Grp, State Key Lab Conservat & Utilizat Subtrop Agrobi, Nanning 530005, Guangxi, Peoples R China
3.Guangxi Univ, Guangxi Key Lab Forest Ecol & Conservat, Nanning 530005, Guangxi, Peoples R China
4.Guangxi Univ, Coll Forestry, Nanning 530005, Guangxi, Peoples R China
5.Tomlinson, Kyle W.] Chinese Acad Sci, Ctr Integrat Conservat, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
6.Govt Coll Univ, Dept Bot, Lahore 54000, Pakistan
7.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Siddiq, Zafar,Tomlinson, Kyle W.,Zhu, Shi-Dan,et al. Does fluctuation of meteorological conditions across years influence stand transpiration of Tectona grandis plantation?[J]. ECOHYDROLOGY,2019,x(x):-.
APA Siddiq, Zafar,Tomlinson, Kyle W.,Zhu, Shi-Dan,&Cao, Kun-Fang.(2019).Does fluctuation of meteorological conditions across years influence stand transpiration of Tectona grandis plantation?.ECOHYDROLOGY,x(x),-.
MLA Siddiq, Zafar,et al."Does fluctuation of meteorological conditions across years influence stand transpiration of Tectona grandis plantation?".ECOHYDROLOGY x.x(2019):-.
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