Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture

Ellenberg indicator values for plant species are widely used metrics in ecology, providing a proxy measure of environmental conditions, without direct measurements. They integrate environmental conditions over time since species will only persist where conditions are favourable. Ellenberg moisture (...

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Autores principales:	Ciara Dwyer, Jonathan Millett, Robin J. Pakeman, Laurence Jones
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Diversity Dune slack Hydrology Ellenberg indicator values Soil moisture Water table depth Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/eb097ef755c147989949d0b447fff6b1
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spelling	oai:doaj.org-article:eb097ef755c147989949d0b447fff6b12021-12-01T05:02:38ZEnvironmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture1470-160X10.1016/j.ecolind.2021.108320https://doaj.org/article/eb097ef755c147989949d0b447fff6b12021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21009857https://doaj.org/toc/1470-160XEllenberg indicator values for plant species are widely used metrics in ecology, providing a proxy measure of environmental conditions, without direct measurements. They integrate environmental conditions over time since species will only persist where conditions are favourable. Ellenberg moisture (F) values summarise the hydrological environment experienced by plants. However, the relationship between indicator values and hydrological metrics appears to be influenced by a range of other abiotic and biotic factors, limiting our ability to fully interpret Ellenberg F. Focussing on Ellenberg F, we evaluated how the unweighted mean plant community F value to hydrology, specifically water table depth, is influenced by other environmental factors, ground cover type and alpha diversity in UK seasonal coastal wetlands (dune slacks). As expected, water table depth had the strongest influence on unweighted mean Ellenberg F. We show that unweighted mean Ellenberg F was more sensitive to changes in water table levels for plant communities that were more nutrient limited, when the organic matter layer was thicker and there was less bare ground cover. Unweighted mean Ellenberg F was consistently lower for a given water table depth, when there was lower atmospheric nitrogen deposition, lower loss of ignition (a measure of organic matter content) and more diverse plant communities. These findings help us to better interpret what Ellenberg F indicator values tell us about hydrological conditions, by understanding the factors which alter that relationship.Ciara DwyerJonathan MillettRobin J. PakemanLaurence JonesElsevierarticleDiversityDune slackHydrologyEllenberg indicator valuesSoil moistureWater table depthEcologyQH540-549.5ENEcological Indicators, Vol 132, Iss , Pp 108320- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Diversity Dune slack Hydrology Ellenberg indicator values Soil moisture Water table depth Ecology QH540-549.5
spellingShingle	Diversity Dune slack Hydrology Ellenberg indicator values Soil moisture Water table depth Ecology QH540-549.5 Ciara Dwyer Jonathan Millett Robin J. Pakeman Laurence Jones Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture
description	Ellenberg indicator values for plant species are widely used metrics in ecology, providing a proxy measure of environmental conditions, without direct measurements. They integrate environmental conditions over time since species will only persist where conditions are favourable. Ellenberg moisture (F) values summarise the hydrological environment experienced by plants. However, the relationship between indicator values and hydrological metrics appears to be influenced by a range of other abiotic and biotic factors, limiting our ability to fully interpret Ellenberg F. Focussing on Ellenberg F, we evaluated how the unweighted mean plant community F value to hydrology, specifically water table depth, is influenced by other environmental factors, ground cover type and alpha diversity in UK seasonal coastal wetlands (dune slacks). As expected, water table depth had the strongest influence on unweighted mean Ellenberg F. We show that unweighted mean Ellenberg F was more sensitive to changes in water table levels for plant communities that were more nutrient limited, when the organic matter layer was thicker and there was less bare ground cover. Unweighted mean Ellenberg F was consistently lower for a given water table depth, when there was lower atmospheric nitrogen deposition, lower loss of ignition (a measure of organic matter content) and more diverse plant communities. These findings help us to better interpret what Ellenberg F indicator values tell us about hydrological conditions, by understanding the factors which alter that relationship.
format	article
author	Ciara Dwyer Jonathan Millett Robin J. Pakeman Laurence Jones
author_facet	Ciara Dwyer Jonathan Millett Robin J. Pakeman Laurence Jones
author_sort	Ciara Dwyer
title	Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture
title_short	Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture
title_full	Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture
title_fullStr	Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture
title_full_unstemmed	Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture
title_sort	environmental modifiers of the relationship between water table depth and ellenberg’s indicator of soil moisture
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/eb097ef755c147989949d0b447fff6b1
work_keys_str_mv	AT ciaradwyer environmentalmodifiersoftherelationshipbetweenwatertabledepthandellenbergsindicatorofsoilmoisture AT jonathanmillett environmentalmodifiersoftherelationshipbetweenwatertabledepthandellenbergsindicatorofsoilmoisture AT robinjpakeman environmentalmodifiersoftherelationshipbetweenwatertabledepthandellenbergsindicatorofsoilmoisture AT laurencejones environmentalmodifiersoftherelationshipbetweenwatertabledepthandellenbergsindicatorofsoilmoisture
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Environmental modifiers of the relationship between water table depth and Ellenberg’s indicator of soil moisture

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