Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis

Climate change is expected to lead to changes to the amount, frequency, intensity, and timing of precipitation and subsequent water supply and its availability to plants in mountain regions worldwide. This is likely to affect plant growth and physiological performance, with subsequent effects to the...

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Autores principales:	Emma Sumner, Susanna Venn
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	alpine mountains climate change experimental manipulations PRISMA precipitation Agriculture S
Acceso en línea:	https://doaj.org/article/eb63040544f844d1b438a8f9a035c2e5
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spelling	oai:doaj.org-article:eb63040544f844d1b438a8f9a035c2e52021-11-25T18:09:17ZPlant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis10.3390/land101111502073-445Xhttps://doaj.org/article/eb63040544f844d1b438a8f9a035c2e52021-10-01T00:00:00Zhttps://www.mdpi.com/2073-445X/10/11/1150https://doaj.org/toc/2073-445XClimate change is expected to lead to changes to the amount, frequency, intensity, and timing of precipitation and subsequent water supply and its availability to plants in mountain regions worldwide. This is likely to affect plant growth and physiological performance, with subsequent effects to the functioning of many important high-elevation ecosystems. We conducted a quantitative systematic review and meta-analysis of the effects of altered water supply on plants from high elevation ecosystems. We found a clear negative response of plants to decreases in water supply (mean Hedges’ g = −0.75, 95% confidence intervals: −1.09 to −0.41), and a neutral response to increases in water supply (mean Hedges’ g = 0.10, 95% confidence intervals: 0.43 to 0.62). Responses to decreases in water supply appear to be related to the magnitude of change in water supply, plant growth form, and to the measured response attribute. Changes to precipitation and water supply are likely to have important consequences for plant growth in high elevation ecosystems, with vegetation change more likely be triggered by reductions than increases in growing season precipitation. High elevation ecosystems that experience future reductions in growing-season precipitation are likely to exhibit plant responses such as reduced growth and higher allocation of carbohydrates to roots.Emma SumnerSusanna VennMDPI AGarticlealpinemountainsclimate changeexperimental manipulationsPRISMAprecipitationAgricultureSENLand, Vol 10, Iss 1150, p 1150 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	alpine mountains climate change experimental manipulations PRISMA precipitation Agriculture S
spellingShingle	alpine mountains climate change experimental manipulations PRISMA precipitation Agriculture S Emma Sumner Susanna Venn Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis
description	Climate change is expected to lead to changes to the amount, frequency, intensity, and timing of precipitation and subsequent water supply and its availability to plants in mountain regions worldwide. This is likely to affect plant growth and physiological performance, with subsequent effects to the functioning of many important high-elevation ecosystems. We conducted a quantitative systematic review and meta-analysis of the effects of altered water supply on plants from high elevation ecosystems. We found a clear negative response of plants to decreases in water supply (mean Hedges’ g = −0.75, 95% confidence intervals: −1.09 to −0.41), and a neutral response to increases in water supply (mean Hedges’ g = 0.10, 95% confidence intervals: 0.43 to 0.62). Responses to decreases in water supply appear to be related to the magnitude of change in water supply, plant growth form, and to the measured response attribute. Changes to precipitation and water supply are likely to have important consequences for plant growth in high elevation ecosystems, with vegetation change more likely be triggered by reductions than increases in growing season precipitation. High elevation ecosystems that experience future reductions in growing-season precipitation are likely to exhibit plant responses such as reduced growth and higher allocation of carbohydrates to roots.
format	article
author	Emma Sumner Susanna Venn
author_facet	Emma Sumner Susanna Venn
author_sort	Emma Sumner
title	Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis
title_short	Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis
title_full	Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis
title_fullStr	Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis
title_full_unstemmed	Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis
title_sort	plant responses to changing water supply and availability in high elevation ecosystems: a quantitative systematic review and meta-analysis
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/eb63040544f844d1b438a8f9a035c2e5
work_keys_str_mv	AT emmasumner plantresponsestochangingwatersupplyandavailabilityinhighelevationecosystemsaquantitativesystematicreviewandmetaanalysis AT susannavenn plantresponsestochangingwatersupplyandavailabilityinhighelevationecosystemsaquantitativesystematicreviewandmetaanalysis
_version_	1718411593217212416

Plant Responses to Changing Water Supply and Availability in High Elevation Ecosystems: A Quantitative Systematic Review and Meta-Analysis

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