Estimation of leaf photosynthetic capacity from the photochemical reflectance index and leaf pigments

doi:10.1016/j.ecolind.2019.105867

	Estimation of leaf photosynthetic capacity from the photochemical reflectance index and leaf pigments
	Chou, Shuren 2; Chen, Bin 3; Chen, Jing 1,4; Wang, Miaomiao 3,5; Wang, Shaoqiang 3,5,6; Croft, Holly 7; Shi, Qin 8
刊名	ECOLOGICAL INDICATORS
	2020-03-01
卷号	110 页码:10
关键词	Seasonal variations Leaf nitrogen content Photosynthetic pigments Leaf maximum carboxylation rate
ISSN号	1470-160X
DOI	10.1016/j.ecolind.2019.105867
通讯作者	Chen, Bin(chenbin@igsnrr.ac.cn) ; Chen, Jing(jing.chen@utoronto.ca)
英文摘要	Leaf chlorophyll content has recently been found to be a better proxy than leaf nitrogen content for leaf photosynthetic capacity in a mixed deciduous broadleaf forest. A key concept underlying the relationship between leaf photosynthetic capacity and leaf chlorophyll content was the coordinate regulation of photosynthetic components (i.e. light harvesting, photochemical, and biochemical components). In order to test this hypothesis, we measured seasonal variations in leaf nitrogen content (N-leaf), leaf photosynthetic pigments (i.e. chlorophyll (Chkl(Leaf), carotenoids (Car(Leaf)) and xanthophyll (Xan(Leaf))) and leaf photosynthetic capacity (i.e. the maximum rate at which ribulose bisphosphate (RuBP) is carboxylated (V-cmax25) and regenerated (J(max25)) at 25 degrees C) at a paddy rice site during the growing season in 2016. We investigated the effectiveness of (N-leaf), leaf photosynthetic pigments, leaf-level photochemical reflectance index at sunny noon (PRILeaf-noon) and their possible combinations for estimating leaf photosynthetic capacities (i.e. V-cmax25 and J(max25)) at a paddy rice site. Chl(Leaf) was highly correlated to V-cmax25 and J(max25) (R-2 = 0.89 and 0.87, respectively), which were better than N-leaf (R-2 = 0.80 and 0.85, respectively). The products of PRI(Leaf-noon )with leaf pigments (i.e. Chl(Leaf), Car(Leaf )and Xan(Leaf)) were also found to be highly correlated with V-cmax25 (R-2 = 0.95-0.96). Also, the product of leaf chlorophyll a and Car(Leaf )was a good proxy for V-cmax25 (R-2 = 0.93). In sum, this study supported the previously findings that leaf chlorophyll content was better correlated with V-cmax25 than leaf nitrogen content. Also, combining PRILeaf-(noon) with leaf pigments (i.e. Chl(Leaf), Car(Leaf) and Xan(Leaf)) offered an additional way to estimate leaf photosynthetic capacity (i.e. V-cmax25). These findings supported the hypothesis of coordinate regulation of photosynthetic components and they would be helpful to estimation of leaf photosynthetic capacity using remote sensing data.
资助项目	National Key Research and Development Program from Ministry of Science and Technology, China[2016YFB0501501] ; National Key Research and Development Program from Ministry of Science and Technology, China[2016YFA0600202] ; National Natural Science Foundation of China[41901362] ; National Natural Science Foundation of China[41503070] ; National Natural Science Foundation of China[41671343] ; National Natural Science Foundation of China[41901043]
WOS关键词	LIGHT-USE EFFICIENCY ; CHLOROPHYLL CONTENT ; VEGETATION INDEXES ; NITROGEN-CONTENT ; CANOPY STRUCTURE ; IRRADIANCE ; MODEL ; ASSIMILATION ; LEAVES ; DEEPOXIDATION
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000507381800031
资助机构	National Key Research and Development Program from Ministry of Science and Technology, China ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/131249]
专题	中国科学院地理科学与资源研究所
通讯作者	Chen, Bin; Chen, Jing
作者单位	1.Fujian Normal Univ, Sch Geog Sci, Fuzhou 350117, Peoples R China 2.Space Engn Univ, Space Secur Ctr, Beijing 101416, Peoples R China 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China 4.Univ Toronto, Dept Geog & Planning, Toronto, ON, Canada 5.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China 6.China Univ Geosci, Coll Geog & Informat Engn, Wuhan, Peoples R China 7.Univ Sheffield, Dept Anim & Plant Sci, Western Bank, Sheffield S10 2TN, S Yorkshire, England 8.Jiangsu Prov & Chinese Acad Sci, Inst Bot, Nanjing 210014, Peoples R China
推荐引用方式 GB/T 7714	Chou, Shuren,Chen, Bin,Chen, Jing,et al. Estimation of leaf photosynthetic capacity from the photochemical reflectance index and leaf pigments[J]. ECOLOGICAL INDICATORS,2020,110:10.
APA	Chou, Shuren.,Chen, Bin.,Chen, Jing.,Wang, Miaomiao.,Wang, Shaoqiang.,...&Shi, Qin.(2020).Estimation of leaf photosynthetic capacity from the photochemical reflectance index and leaf pigments.ECOLOGICAL INDICATORS,110,10.
MLA	Chou, Shuren,et al."Estimation of leaf photosynthetic capacity from the photochemical reflectance index and leaf pigments".ECOLOGICAL INDICATORS 110(2020):10.