Relationships Between the Leaf Respiration of Soybean and Vegetation Indexes and Leaf Characteristics

Jin WANG; Shu-tao CHEN; Si-cheng DING; Xue-wen YAO; Miao-miao ZHANG; Zheng-hua HU

doi:10.3964/j.issn.1000-0593(2022)05-1607-07

Spectroscopy and Spectral Analysis, Volume. 42, Issue 5, 1607(2022)

Relationships Between the Leaf Respiration of Soybean and Vegetation Indexes and Leaf Characteristics

Jin WANG1,1; 2;... Shu-tao CHEN1,1; 2; *;, Si-cheng DING1,1; 2;, Xue-wen YAO1,1; 2;, Miao-miao ZHANG1,1; 2; and Zheng-hua HU2,2; |Show fewer author(s)

Author Affiliations

¹1. Jiangsu Key Laboratory of Agricultural Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China

²2. School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China

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Figures & Tables(5)

Fig. 1. Seasonal changes in the respiration of a single leaf and leaf respiration coefficient
(a): Reasonal of a single leaf; (b): Leaf respriration coefficient

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Fig. 2. Seasonal changes in the NDVI (a), DVI (b), RVI (c), EVI (d), PRI (e) and RECI (f)

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Fig. 3. Relationships between the observedrespiration of a single leaf and respiration coefficient and the modeled respiration of a single leaf and respiration coefficient
(a): Reasonal of a single leaf; (b): Leaf respriration coefficient

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Table 1. Functions to compute vegetation indexes
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Table 1. Functions to compute vegetation indexes
公式文献
NDVI=(R₈₀₀-R₆₇₀)/(R₈₀₀+R₆₇₀) [16]
DVI=R₈₀₀-R₆₇₀ [14, 17]
RVI=R₈₀₀/R₆₇₀ [14, 17]
EVI=2.5(R₈₀₀- R₆₇₀)/(1+R₈₀₀+6 R₆₇₀-7R₄₇₉) [18]
PRI=(R₅₃₁-R₅₇₀)/(R₅₃₁+R₅₇₀) [14, 17]
RECI=R₇₅₀/R₇₁₀-1 [14]

Table 2. Pearson's correlation between the leaf respiration and air temperature, NDVI, DVI, RVI, EVI, PRI and RECI, SPAD value, fresh mass, dried mass, water content, area, specific leaf area and nitrogen content of leaf

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Table 2. Pearson's correlation between the leaf respiration and air temperature, NDVI, DVI, RVI, EVI, PRI and RECI, SPAD value, fresh mass, dried mass, water content, area, specific leaf area and nitrogen content of leaf

		单片叶片呼吸	呼吸系数	气温	NDVI	DVI	RVI	EVI	PRI	RECI	SPAD值	鲜重	干重	含水量	叶面积	比叶面积
呼吸系数	r	0.671
	p	0.002
气温	r	0.595	0.554
	p	0.009	0.017
NDVI	r	0.016	0.196	0.669
	p	0.950	0.436	0.002
DVI	r	-0.076	0.014	0.078	0.003
	p	0.763	0.956	0.759	0.991
RVI	r	0.047	0.220	0.655	0.939	0.139
	p	0.853	0.381	0.003	0.000	0.583
EVI	r	-0.065	0.033	0.141	0.083	0.988	0.195
	p	0.796	0.897	0.578	0.742	0.000	0.437
PRI	r	0.597	0.275	0.624	0.234	0.163	0.390	0.169
	p	0.009	0.270	0.006	0.350	0.518	0.110	0.503
RECI	r	0.529	0.329	0.801	0.608	0.039	0.698	0.080	0.891
	p	0.024	0.183	0.000	0.007	0.877	0.001	0.752	0.000
SPAD值	r	0.099	-0.537	-0.061	-0.271	-0.180	-0.305	-0.205	0.105	0.022
	p	0.696	0.022	0.809	0.277	0.476	0.218	0.414	0.678	0.932
鲜重	r	-0.337	-0.693	-0.214	0.149	-0.121	0.054	-0.093	-0.234	-0.109	0.417
	p	0.171	0.001	0.393	0.555	0.631	0.830	0.714	0.350	0.667	0.085
干重	r	-0.196	-0.757	-0.244	-0.100	-0.224	-0.206	-0.215	-0.144	-0.120	0.750	0.893
	p	0.435	0.000	0.329	0.693	0.372	0.412	0.391	0.569	0.636	0.000	0.000
含水量	r	-0.290	0.045	0.092	0.602	0.142	0.592	0.200	-0.186	0.068	-0.585	0.399	-0.050
	p	0.243	0.861	0.716	0.008	0.575	0.010	0.437	0.461	0.788	0.011	0.101	0.843
叶面积	r	0.161	-0.381	0.271	0.221	-0.084	0.157	-0.038	0.326	0.371	0.506	0.767	0.768	0.180
	p	0.522	0.119	0.277	0.377	0.742	0.533	0.880	0.186	0.129	0.032	0.000	0.000	0.474
比叶面积	r	0.224	0.736	0.459	0.427	0.229	0.494	0.263	0.248	0.335	-0.860	-0.509	-0.792	0.497	-0.298
	p	0.371	0.000	0.055	0.077	0.361	0.037	0.291	0.322	0.174	0.000	0.031	0.000	0.036	0.230
氮含量	r	0.564	0.191	0.435	0.002	-0.356	-0.148	-0.310	0.298	0.329	0.450	0.058	0.288	-0.372	0.502	-0.166
	p	0.015	0.448	0.071	0.994	0.147	0.557	0.211	0.229	0.183	0.061	0.820	0.246	0.128	0.034	0.511

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Jin WANG, Shu-tao CHEN, Si-cheng DING, Xue-wen YAO, Miao-miao ZHANG, Zheng-hua HU. Relationships Between the Leaf Respiration of Soybean and Vegetation Indexes and Leaf Characteristics[J]. Spectroscopy and Spectral Analysis, 2022, 42(5): 1607

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