Temperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslands

Abstract Shrub encroachment into grasslands poses a global concern, impacting species biodiversity and ecosystem functioning. Yet, the effect of shrub encroachment on herbaceous diseases and the dependence of that effect on climatic factors remain ambiguous. This study spans over 4,000 km, examining...

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Main Authors: Yilin Dang, Peng Zhang, Peixi Jiang, Junsheng Ke, Yao Xiao, Yingying Zhu, Mu Liu, Minjie Li, Jihua Wu, Jianquan Liu, Bin Tian, Xiang Liu
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-56439-z
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author Yilin Dang
Peng Zhang
Peixi Jiang
Junsheng Ke
Yao Xiao
Yingying Zhu
Mu Liu
Minjie Li
Jihua Wu
Jianquan Liu
Bin Tian
Xiang Liu
author_facet Yilin Dang
Peng Zhang
Peixi Jiang
Junsheng Ke
Yao Xiao
Yingying Zhu
Mu Liu
Minjie Li
Jihua Wu
Jianquan Liu
Bin Tian
Xiang Liu
author_sort Yilin Dang
collection DOAJ
description Abstract Shrub encroachment into grasslands poses a global concern, impacting species biodiversity and ecosystem functioning. Yet, the effect of shrub encroachment on herbaceous diseases and the dependence of that effect on climatic factors remain ambiguous. This study spans over 4,000 km, examining significant variability in temperature and precipitation. Our findings reveal that herbaceous plant species richness diminishes the pathogen load of foliar fungal diseases of herbaceous plants in both shrub and grassland patches. Temperature emerges as the primary driver of variations in herbaceous biomass and pathogen load within herbaceous plant communities. Disparities in herbaceous biomass between shrub and grassland patches elucidate changes in pathogen load. In colder regions, shrub encroachment diminishes herbaceous biomass and pathogen load. Conversely, in warmer regions, shrubs either do not reduce or even amplify pathogen load. These discoveries underscore the necessity for adaptive management strategies tailored to specific shrub encroachment scenarios.
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institution Kabale University
issn 2041-1723
language English
publishDate 2025-01-01
publisher Nature Portfolio
record_format Article
series Nature Communications
spelling doaj-art-53430a82ebe545549a8d46d2333a055b2025-02-02T12:31:26ZengNature PortfolioNature Communications2041-17232025-01-0116111110.1038/s41467-025-56439-zTemperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslandsYilin Dang0Peng Zhang1Peixi Jiang2Junsheng Ke3Yao Xiao4Yingying Zhu5Mu Liu6Minjie Li7Jihua Wu8Jianquan Liu9Bin Tian10Xiang Liu11State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityMinistry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, School of Life Sciences, Fudan UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityNational Plateau Wetlands Research Center and Yunnan Key Laboratory of Plateau Wetland Conservation Restoration and Ecological Services, Southwest Forestry UniversityState Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou UniversityAbstract Shrub encroachment into grasslands poses a global concern, impacting species biodiversity and ecosystem functioning. Yet, the effect of shrub encroachment on herbaceous diseases and the dependence of that effect on climatic factors remain ambiguous. This study spans over 4,000 km, examining significant variability in temperature and precipitation. Our findings reveal that herbaceous plant species richness diminishes the pathogen load of foliar fungal diseases of herbaceous plants in both shrub and grassland patches. Temperature emerges as the primary driver of variations in herbaceous biomass and pathogen load within herbaceous plant communities. Disparities in herbaceous biomass between shrub and grassland patches elucidate changes in pathogen load. In colder regions, shrub encroachment diminishes herbaceous biomass and pathogen load. Conversely, in warmer regions, shrubs either do not reduce or even amplify pathogen load. These discoveries underscore the necessity for adaptive management strategies tailored to specific shrub encroachment scenarios.https://doi.org/10.1038/s41467-025-56439-z
spellingShingle Yilin Dang
Peng Zhang
Peixi Jiang
Junsheng Ke
Yao Xiao
Yingying Zhu
Mu Liu
Minjie Li
Jihua Wu
Jianquan Liu
Bin Tian
Xiang Liu
Temperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslands
Nature Communications
title Temperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslands
title_full Temperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslands
title_fullStr Temperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslands
title_full_unstemmed Temperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslands
title_short Temperature-dependent variations in under-canopy herbaceous foliar diseases following shrub encroachment in grasslands
title_sort temperature dependent variations in under canopy herbaceous foliar diseases following shrub encroachment in grasslands
url https://doi.org/10.1038/s41467-025-56439-z
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