Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains

Various ecosystem functions provided by floodplains depend on a natural river activity and floodplain morphology. Therefore, anthropogenic alterations of rivers modify their flooding regimes and may affect the provisioning of numerous ecosystem functions. Restoration projects, which aim at reestabli...

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Autores principales:	Agnieszka Sendek, Lena Kretz, Fons van der Plas, Carolin Seele-Dilbat, Christiane Schulz-Zunkel, Michael Vieweg, Elisabeth Bondar-Kunze, Alexandra Weigelt, Christian Wirth
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Ecosystem functions Ecosystem multifunctionality Flood Floodplain connectivity Floodplain topography Multifunctionality threshold index Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/7d9e576b02d5482da52efeffc610ce98
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spelling	oai:doaj.org-article:7d9e576b02d5482da52efeffc610ce982021-12-01T05:02:23ZTopographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains1470-160X10.1016/j.ecolind.2021.108312https://doaj.org/article/7d9e576b02d5482da52efeffc610ce982021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21009778https://doaj.org/toc/1470-160XVarious ecosystem functions provided by floodplains depend on a natural river activity and floodplain morphology. Therefore, anthropogenic alterations of rivers modify their flooding regimes and may affect the provisioning of numerous ecosystem functions. Restoration projects, which aim at reestablishing natural processes of floodplains, require a better understanding of the ecosystem’s ability to simultaneously provide multiple functions (multifunctionality) and how this relates to the environmental template.Here we investigate the relationship between environmental drivers and ecosystem multifunctionality. We focus on 24 ecosystem functions, representing five ecosystem services provided by floodplains of the Mulde River: plant productivity, biodiversity provisioning, retention of sediments, nutrients and pollutants. These functions were measured on 74 plots located on three well preserved floodplain sites of the Mulde River. We described synergies and trade-offs between single functions using correlations and calculated quantitative measures of ecosystem multifunctionality, quantified as the number of functions provided above either 50% of maximal functioning, or 75% of maximal functioning. We then explored relations of multifunctionality with two environmental factors, which also affect the probability of flooding i.e., the hydrological distance and the distance to the water table.Although numerous functions related to sedimentation processes were positively correlated to each other, they traded off with functions related to biodiversity provisioning. This advocates the application of a holistic measure of ecosystem functioning. Multifunctionality indices decreased with an increase of both distance to the water table and hydrological distance, with effects of the distance to the water table being most strongly negative. These findings imply that ecosystem multifunctionality is highest at sites which are flooded regularly. We conclude that restoration attempts which shorten hydrological distance and distance to the water table, like removal of artificial embankments or reconstruction of side channels, may have a positive effect not only on single functions, but also on overall ecosystem multifunctionality. We also advocate the application of a multifunctionality measure to facilitate management and restoration of floodplains.Agnieszka SendekLena KretzFons van der PlasCarolin Seele-DilbatChristiane Schulz-ZunkelMichael ViewegElisabeth Bondar-KunzeAlexandra WeigeltChristian WirthElsevierarticleEcosystem functionsEcosystem multifunctionalityFloodFloodplain connectivityFloodplain topographyMultifunctionality threshold indexEcologyQH540-549.5ENEcological Indicators, Vol 132, Iss , Pp 108312- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ecosystem functions Ecosystem multifunctionality Flood Floodplain connectivity Floodplain topography Multifunctionality threshold index Ecology QH540-549.5
spellingShingle	Ecosystem functions Ecosystem multifunctionality Flood Floodplain connectivity Floodplain topography Multifunctionality threshold index Ecology QH540-549.5 Agnieszka Sendek Lena Kretz Fons van der Plas Carolin Seele-Dilbat Christiane Schulz-Zunkel Michael Vieweg Elisabeth Bondar-Kunze Alexandra Weigelt Christian Wirth Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains
description	Various ecosystem functions provided by floodplains depend on a natural river activity and floodplain morphology. Therefore, anthropogenic alterations of rivers modify their flooding regimes and may affect the provisioning of numerous ecosystem functions. Restoration projects, which aim at reestablishing natural processes of floodplains, require a better understanding of the ecosystem’s ability to simultaneously provide multiple functions (multifunctionality) and how this relates to the environmental template.Here we investigate the relationship between environmental drivers and ecosystem multifunctionality. We focus on 24 ecosystem functions, representing five ecosystem services provided by floodplains of the Mulde River: plant productivity, biodiversity provisioning, retention of sediments, nutrients and pollutants. These functions were measured on 74 plots located on three well preserved floodplain sites of the Mulde River. We described synergies and trade-offs between single functions using correlations and calculated quantitative measures of ecosystem multifunctionality, quantified as the number of functions provided above either 50% of maximal functioning, or 75% of maximal functioning. We then explored relations of multifunctionality with two environmental factors, which also affect the probability of flooding i.e., the hydrological distance and the distance to the water table.Although numerous functions related to sedimentation processes were positively correlated to each other, they traded off with functions related to biodiversity provisioning. This advocates the application of a holistic measure of ecosystem functioning. Multifunctionality indices decreased with an increase of both distance to the water table and hydrological distance, with effects of the distance to the water table being most strongly negative. These findings imply that ecosystem multifunctionality is highest at sites which are flooded regularly. We conclude that restoration attempts which shorten hydrological distance and distance to the water table, like removal of artificial embankments or reconstruction of side channels, may have a positive effect not only on single functions, but also on overall ecosystem multifunctionality. We also advocate the application of a multifunctionality measure to facilitate management and restoration of floodplains.
format	article
author	Agnieszka Sendek Lena Kretz Fons van der Plas Carolin Seele-Dilbat Christiane Schulz-Zunkel Michael Vieweg Elisabeth Bondar-Kunze Alexandra Weigelt Christian Wirth
author_facet	Agnieszka Sendek Lena Kretz Fons van der Plas Carolin Seele-Dilbat Christiane Schulz-Zunkel Michael Vieweg Elisabeth Bondar-Kunze Alexandra Weigelt Christian Wirth
author_sort	Agnieszka Sendek
title	Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains
title_short	Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains
title_full	Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains
title_fullStr	Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains
title_full_unstemmed	Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains
title_sort	topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/7d9e576b02d5482da52efeffc610ce98
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Topographical factors related to flooding frequency promote ecosystem multifunctionality of riparian floodplains

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