Soil water content and nitrogen differentially correlate with multidimensional leaf traits of two temperate broadleaf species

doi:10.1016/j.pld.2023.03.001

Plant Diversity ›› 2023, Vol. 45 ›› Issue (06): 694-701.DOI: 10.1016/j.pld.2023.03.001

Soil water content and nitrogen differentially correlate with multidimensional leaf traits of two temperate broadleaf species

Ming-Yue Jin^a, Daniel J. Johnson^b, Guang-Ze Jin^a, Qing-Xi Guo^a, Zhi-Li Liu^a

a. Center for Ecological Research, Key Laboratory of Sustainable Forest, Ecosystem Management-Ministry of Education, Northeast Asia Biodiversity Research Center, Northeast Forestry University, Harbin 150040, Heilongjiang, China;
b. School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA

收稿日期:2022-09-13 修回日期:2023-02-21 出版日期:2023-11-25 发布日期:2023-12-28
通讯作者: Zhi-Li Liu,E-mail:liuzl2093@126.com
基金资助:
This work was supported by the National Key R&D Program of China (2022YFD2201100), the National Natural Science Foundation of China (31971636) and the Fundamental Research Funds for the Central Universities (2572022DS13).

Soil water content and nitrogen differentially correlate with multidimensional leaf traits of two temperate broadleaf species

Ming-Yue Jin^a, Daniel J. Johnson^b, Guang-Ze Jin^a, Qing-Xi Guo^a, Zhi-Li Liu^a

a. Center for Ecological Research, Key Laboratory of Sustainable Forest, Ecosystem Management-Ministry of Education, Northeast Asia Biodiversity Research Center, Northeast Forestry University, Harbin 150040, Heilongjiang, China;
b. School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA

Received:2022-09-13 Revised:2023-02-21 Online:2023-11-25 Published:2023-12-28
Contact: Zhi-Li Liu,E-mail:liuzl2093@126.com
Supported by:
This work was supported by the National Key R&D Program of China (2022YFD2201100), the National Natural Science Foundation of China (31971636) and the Fundamental Research Funds for the Central Universities (2572022DS13).

摘要/Abstract

摘要： The variation and correlation of leaf economics and vein traits are crucial for predicting plant ecological strategies under different environmental changes. However, correlations between these two suites of traits and abiotic factors such as soil water and nitrogen content remain ambiguous. We measured leaf economics and vein traits as well as soil water and nitrogen content for two different shade-tolerant species (Betula platyphylla and Acer mono) in four mixed broadleaved-Korean pine (Pinus koraiensis) forests along a latitudinal gradient in Northeast China. We found that leaf economics traits and vein traits were decoupled in shade-intolerant species, Betula platphylla, but significantly coupled in a shade-tolerant species, A. mono. We found stronger correlations among leaf traits in the shade tolerant species than in the shade intolerant species. Furthermore, leaf economic traits were positively correlated with the soil water gradient for both species, whereas vein traits were positively correlated with soil water gradient for the shade intolerant species but negatively correlated in the shade tolerant species. Although economic traits were positively correlated with soil nitrogen gradient in shade intolerant species but not correlated in shade tolerant species, vein traits were negatively correlated with soil nitrogen gradient in shade tolerant species but not correlated in shade intolerant species. Our study provides evidence for distinct correlations between leaf economics and vein traits and local abiotic factors of species differing in light demands. We recommend that the ecological significance of shade tolerance be considered for species when evaluating ecosystem functions and predicting plant responses to environmental changes.

关键词: Leaf trait multidimensionality, Economics traits, Vein traits, Soil water content, Soil total nitrogen, Shade tolerance

Abstract: The variation and correlation of leaf economics and vein traits are crucial for predicting plant ecological strategies under different environmental changes. However, correlations between these two suites of traits and abiotic factors such as soil water and nitrogen content remain ambiguous. We measured leaf economics and vein traits as well as soil water and nitrogen content for two different shade-tolerant species (Betula platyphylla and Acer mono) in four mixed broadleaved-Korean pine (Pinus koraiensis) forests along a latitudinal gradient in Northeast China. We found that leaf economics traits and vein traits were decoupled in shade-intolerant species, Betula platphylla, but significantly coupled in a shade-tolerant species, A. mono. We found stronger correlations among leaf traits in the shade tolerant species than in the shade intolerant species. Furthermore, leaf economic traits were positively correlated with the soil water gradient for both species, whereas vein traits were positively correlated with soil water gradient for the shade intolerant species but negatively correlated in the shade tolerant species. Although economic traits were positively correlated with soil nitrogen gradient in shade intolerant species but not correlated in shade tolerant species, vein traits were negatively correlated with soil nitrogen gradient in shade tolerant species but not correlated in shade intolerant species. Our study provides evidence for distinct correlations between leaf economics and vein traits and local abiotic factors of species differing in light demands. We recommend that the ecological significance of shade tolerance be considered for species when evaluating ecosystem functions and predicting plant responses to environmental changes.

Key words: Leaf trait multidimensionality, Economics traits, Vein traits, Soil water content, Soil total nitrogen, Shade tolerance

Ming-Yue Jin, Daniel J. Johnson, Guang-Ze Jin, Qing-Xi Guo, Zhi-Li Liu. Soil water content and nitrogen differentially correlate with multidimensional leaf traits of two temperate broadleaf species[J]. Plant Diversity, 2023, 45(06): 694-701.

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Soil water content and nitrogen differentially correlate with multidimensional leaf traits of two temperate broadleaf species

Soil water content and nitrogen differentially correlate with multidimensional leaf traits of two temperate broadleaf species

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