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Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales

Leaf nutrient content and its stoichiometric relationships (N/P ratio) are essential for photosynthesis and plant growth and development. Previous studies on leaf nutrient-related functional traits have mainly focused on the species level and regional scale, but fewer studies have investigated the d...

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Autores principales: Wang, Xianxian, Wang, Jiangfeng, Zhang, Liuyang, Lv, Chengyu, Liu, Longlong, Zhao, Huixin, Gao, Jie
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9415000/
https://www.ncbi.nlm.nih.gov/pubmed/36015474
http://dx.doi.org/10.3390/plants11162171
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author Wang, Xianxian
Wang, Jiangfeng
Zhang, Liuyang
Lv, Chengyu
Liu, Longlong
Zhao, Huixin
Gao, Jie
author_facet Wang, Xianxian
Wang, Jiangfeng
Zhang, Liuyang
Lv, Chengyu
Liu, Longlong
Zhao, Huixin
Gao, Jie
author_sort Wang, Xianxian
collection PubMed
description Leaf nutrient content and its stoichiometric relationships (N/P ratio) are essential for photosynthesis and plant growth and development. Previous studies on leaf nutrient-related functional traits have mainly focused on the species level and regional scale, but fewer studies have investigated the distribution patterns of the leaf N and P contents (LN, LP) and N/P ratios (N/P) in communities and their controlling factors at a large scale; therefore, we used LN, LP, and N/P data at 69 sites from 818 forests in China. The results showed significant differences (p < 0.05) in the LN, LP, and N/P at different life forms (tree, shrub, and herb). Neither LN, LP, nor N/P ratios showed significant patterns of latitudinal variation. With the increase in temperature and rainfall, the LN, LP, and leaf nutrient contents increased significantly (p < 0.001). Across life forms, LN at different life forms varied significantly and was positively correlated with soil P content (p < 0.001). The explanatory degree of climatic factors in shaping the spatial variation patterns of LN and N/P was higher than that of the soil nutrient factors, and the spatial variation patterns of the leaf nutrient traits of different life forms were shaped by the synergistic effects of climatic factors and soil nutrient factors.
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spelling pubmed-94150002022-08-27 Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales Wang, Xianxian Wang, Jiangfeng Zhang, Liuyang Lv, Chengyu Liu, Longlong Zhao, Huixin Gao, Jie Plants (Basel) Article Leaf nutrient content and its stoichiometric relationships (N/P ratio) are essential for photosynthesis and plant growth and development. Previous studies on leaf nutrient-related functional traits have mainly focused on the species level and regional scale, but fewer studies have investigated the distribution patterns of the leaf N and P contents (LN, LP) and N/P ratios (N/P) in communities and their controlling factors at a large scale; therefore, we used LN, LP, and N/P data at 69 sites from 818 forests in China. The results showed significant differences (p < 0.05) in the LN, LP, and N/P at different life forms (tree, shrub, and herb). Neither LN, LP, nor N/P ratios showed significant patterns of latitudinal variation. With the increase in temperature and rainfall, the LN, LP, and leaf nutrient contents increased significantly (p < 0.001). Across life forms, LN at different life forms varied significantly and was positively correlated with soil P content (p < 0.001). The explanatory degree of climatic factors in shaping the spatial variation patterns of LN and N/P was higher than that of the soil nutrient factors, and the spatial variation patterns of the leaf nutrient traits of different life forms were shaped by the synergistic effects of climatic factors and soil nutrient factors. MDPI 2022-08-21 /pmc/articles/PMC9415000/ /pubmed/36015474 http://dx.doi.org/10.3390/plants11162171 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wang, Xianxian
Wang, Jiangfeng
Zhang, Liuyang
Lv, Chengyu
Liu, Longlong
Zhao, Huixin
Gao, Jie
Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales
title Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales
title_full Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales
title_fullStr Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales
title_full_unstemmed Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales
title_short Climatic Factors Determine the Distribution Patterns of Leaf Nutrient Traits at Large Scales
title_sort climatic factors determine the distribution patterns of leaf nutrient traits at large scales
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9415000/
https://www.ncbi.nlm.nih.gov/pubmed/36015474
http://dx.doi.org/10.3390/plants11162171
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