The effect of host community functional traits on plant disease risk varies along an elevational gradient

Quantifying the relative impact of environmental conditions and host community structure on disease is one of the greatest challenges of the 21st century, as both climate and biodiversity are changing at unprecedented rates. Both increasing temperature and shifting host communities toward more fast-...

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Autores principales: Fletcher W Halliday, Mikko Jalo, Anna-Liisa Laine
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Publicado: eLife Sciences Publications Ltd 2021
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Acceso en línea:https://doaj.org/article/9a8cb934726644e5bfecce2f4e5ea128
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spelling oai:doaj.org-article:9a8cb934726644e5bfecce2f4e5ea1282021-11-16T14:16:49ZThe effect of host community functional traits on plant disease risk varies along an elevational gradient10.7554/eLife.673402050-084Xe67340https://doaj.org/article/9a8cb934726644e5bfecce2f4e5ea1282021-05-01T00:00:00Zhttps://elifesciences.org/articles/67340https://doaj.org/toc/2050-084XQuantifying the relative impact of environmental conditions and host community structure on disease is one of the greatest challenges of the 21st century, as both climate and biodiversity are changing at unprecedented rates. Both increasing temperature and shifting host communities toward more fast-paced life-history strategies are predicted to increase disease, yet their independent and interactive effects on disease in natural communities remain unknown. Here, we address this challenge by surveying foliar disease symptoms in 220, 0.5 m-diameter herbaceous plant communities along a 1100-m elevational gradient. We find that increasing temperature associated with lower elevation can increase disease by (1) relaxing constraints on parasite growth and reproduction, (2) determining which host species are present in a given location, and (3) strengthening the positive effect of host community pace-of-life on disease. These results provide the first field evidence, under natural conditions, that environmental gradients can alter how host community structure affects disease.Fletcher W HallidayMikko JaloAnna-Liisa LaineeLife Sciences Publications Ltdarticlebiodiversityparasitismcommunity structureelevationclimate changeMedicineRScienceQBiology (General)QH301-705.5ENeLife, Vol 10 (2021)
institution DOAJ
collection DOAJ
language EN
topic biodiversity
parasitism
community structure
elevation
climate change
Medicine
R
Science
Q
Biology (General)
QH301-705.5
spellingShingle biodiversity
parasitism
community structure
elevation
climate change
Medicine
R
Science
Q
Biology (General)
QH301-705.5
Fletcher W Halliday
Mikko Jalo
Anna-Liisa Laine
The effect of host community functional traits on plant disease risk varies along an elevational gradient
description Quantifying the relative impact of environmental conditions and host community structure on disease is one of the greatest challenges of the 21st century, as both climate and biodiversity are changing at unprecedented rates. Both increasing temperature and shifting host communities toward more fast-paced life-history strategies are predicted to increase disease, yet their independent and interactive effects on disease in natural communities remain unknown. Here, we address this challenge by surveying foliar disease symptoms in 220, 0.5 m-diameter herbaceous plant communities along a 1100-m elevational gradient. We find that increasing temperature associated with lower elevation can increase disease by (1) relaxing constraints on parasite growth and reproduction, (2) determining which host species are present in a given location, and (3) strengthening the positive effect of host community pace-of-life on disease. These results provide the first field evidence, under natural conditions, that environmental gradients can alter how host community structure affects disease.
format article
author Fletcher W Halliday
Mikko Jalo
Anna-Liisa Laine
author_facet Fletcher W Halliday
Mikko Jalo
Anna-Liisa Laine
author_sort Fletcher W Halliday
title The effect of host community functional traits on plant disease risk varies along an elevational gradient
title_short The effect of host community functional traits on plant disease risk varies along an elevational gradient
title_full The effect of host community functional traits on plant disease risk varies along an elevational gradient
title_fullStr The effect of host community functional traits on plant disease risk varies along an elevational gradient
title_full_unstemmed The effect of host community functional traits on plant disease risk varies along an elevational gradient
title_sort effect of host community functional traits on plant disease risk varies along an elevational gradient
publisher eLife Sciences Publications Ltd
publishDate 2021
url https://doaj.org/article/9a8cb934726644e5bfecce2f4e5ea128
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