Does Climate Warming Favour Early Season Species?

Plant species that start early in spring are generally more responsive to rising temperatures, raising concerns that climate warming may favour early season species and result in altered interspecific interactions and community structure and composition. This hypothesis is based on changes in spring...

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Autores principales:	Xiuli Chu, Rongzhou Man, Haicheng Zhang, Wenping Yuan, Jing Tao, Qing-Lai Dang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	leaf-out growing season length forcing gains chilling effects interspecific differences phenological responses Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/dc26ab02d87d4c0391e37f5bda00421f
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id	oai:doaj.org-article:dc26ab02d87d4c0391e37f5bda00421f
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spelling	oai:doaj.org-article:dc26ab02d87d4c0391e37f5bda00421f2021-11-18T09:50:51ZDoes Climate Warming Favour Early Season Species?1664-462X10.3389/fpls.2021.765351https://doaj.org/article/dc26ab02d87d4c0391e37f5bda00421f2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.765351/fullhttps://doaj.org/toc/1664-462XPlant species that start early in spring are generally more responsive to rising temperatures, raising concerns that climate warming may favour early season species and result in altered interspecific interactions and community structure and composition. This hypothesis is based on changes in spring phenology and therefore active growing season length, which would not be indicative of possible changes in growth as would changes in cumulative forcing temperatures (growing degree days/hours) in the Northern Hemisphere. In this study we analysed the effects of a moderate climate warming (2°C warmer than the 1981–2010 baseline) on the leaf-out of hypothetical species without chilling restriction and actual plant species with different chilling and forcing requirements in different parts of the globe. In both cases, early season species had larger phenological shifts due to low leaf-out temperatures, but accumulated fewer forcing gains (changes in cumulative forcing temperatures by warming) from those shifts because of their early spring phenology. Leaf-out time was closely associated with leaf-out temperatures and therefore plant phenological responses to climate warming. All plant species would be equally affected by climate warming in terms of total forcing gains added from higher temperatures when forcing gains occurring between early and late season species are included. Our findings will improve the understanding of possible mechanisms and consequences of differential responses in plant phenology to climate warming.Xiuli ChuRongzhou ManHaicheng ZhangWenping YuanJing TaoQing-Lai DangFrontiers Media S.A.articleleaf-outgrowing season lengthforcing gainschilling effectsinterspecific differencesphenological responsesPlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	leaf-out growing season length forcing gains chilling effects interspecific differences phenological responses Plant culture SB1-1110
spellingShingle	leaf-out growing season length forcing gains chilling effects interspecific differences phenological responses Plant culture SB1-1110 Xiuli Chu Rongzhou Man Haicheng Zhang Wenping Yuan Jing Tao Qing-Lai Dang Does Climate Warming Favour Early Season Species?
description	Plant species that start early in spring are generally more responsive to rising temperatures, raising concerns that climate warming may favour early season species and result in altered interspecific interactions and community structure and composition. This hypothesis is based on changes in spring phenology and therefore active growing season length, which would not be indicative of possible changes in growth as would changes in cumulative forcing temperatures (growing degree days/hours) in the Northern Hemisphere. In this study we analysed the effects of a moderate climate warming (2°C warmer than the 1981–2010 baseline) on the leaf-out of hypothetical species without chilling restriction and actual plant species with different chilling and forcing requirements in different parts of the globe. In both cases, early season species had larger phenological shifts due to low leaf-out temperatures, but accumulated fewer forcing gains (changes in cumulative forcing temperatures by warming) from those shifts because of their early spring phenology. Leaf-out time was closely associated with leaf-out temperatures and therefore plant phenological responses to climate warming. All plant species would be equally affected by climate warming in terms of total forcing gains added from higher temperatures when forcing gains occurring between early and late season species are included. Our findings will improve the understanding of possible mechanisms and consequences of differential responses in plant phenology to climate warming.
format	article
author	Xiuli Chu Rongzhou Man Haicheng Zhang Wenping Yuan Jing Tao Qing-Lai Dang
author_facet	Xiuli Chu Rongzhou Man Haicheng Zhang Wenping Yuan Jing Tao Qing-Lai Dang
author_sort	Xiuli Chu
title	Does Climate Warming Favour Early Season Species?
title_short	Does Climate Warming Favour Early Season Species?
title_full	Does Climate Warming Favour Early Season Species?
title_fullStr	Does Climate Warming Favour Early Season Species?
title_full_unstemmed	Does Climate Warming Favour Early Season Species?
title_sort	does climate warming favour early season species?
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/dc26ab02d87d4c0391e37f5bda00421f
work_keys_str_mv	AT xiulichu doesclimatewarmingfavourearlyseasonspecies AT rongzhouman doesclimatewarmingfavourearlyseasonspecies AT haichengzhang doesclimatewarmingfavourearlyseasonspecies AT wenpingyuan doesclimatewarmingfavourearlyseasonspecies AT jingtao doesclimatewarmingfavourearlyseasonspecies AT qinglaidang doesclimatewarmingfavourearlyseasonspecies
_version_	1718420875390222336

Does Climate Warming Favour Early Season Species?

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