Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil

Abstract Wood ash is alkaline and contains base-cations. Application of wood ash to forests therefore counteracts soil acidification and recycle nutrients removed during harvest. Wood ash application to soil leads to strong vertical gradients in physicochemical parameters. Consequently, we designed...

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Autores principales:	Toke Bang-Andreasen, Mette Peltre, Lea Ellegaard-Jensen, Lars Hestbjerg Hansen, Morten Ingerslev, Regin Rønn, Carsten Suhr Jacobsen, Rasmus Kjøller
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/166c075e05274c01aed83e6ac1c61719
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spelling	oai:doaj.org-article:166c075e05274c01aed83e6ac1c617192021-12-02T15:23:10ZApplication of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil10.1038/s41598-020-80732-02045-2322https://doaj.org/article/166c075e05274c01aed83e6ac1c617192021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80732-0https://doaj.org/toc/2045-2322Abstract Wood ash is alkaline and contains base-cations. Application of wood ash to forests therefore counteracts soil acidification and recycle nutrients removed during harvest. Wood ash application to soil leads to strong vertical gradients in physicochemical parameters. Consequently, we designed an experimental system where small-scale vertical changes in soil properties and prokaryotic community structure could be followed after wood ash application. A mixed fly and bottom ash was applied in dosages of 3 and 9 t ha−1 to the surface of soil mesocosms, simulating a typical coniferous podzol. Soil pH, exchangeable cations and 16S prokaryotic community was subsequently assessed at small depth intervals to 5 cm depth at regular intervals for one year. Wood ash significantly changed the prokaryotic community in the top of the soil column. Also, the largest increases in pH and concentrations of exchangeable cations was found here. The relative abundance of prokaryotic groups directionally changed, suggesting that wood ash favors copiotrophic prokaryotes at the expense of oligotrophic and acidophilic taxa. The effect of wood ash were negligible both in terms of pH- and biological changes in lower soil layers. Consequently, by micro-vertical profiling we showed that wood ash causes a steep gradient of abiotic factors driving biotic changes but only in the top-most soil layers.Toke Bang-AndreasenMette PeltreLea Ellegaard-JensenLars Hestbjerg HansenMorten IngerslevRegin RønnCarsten Suhr JacobsenRasmus KjøllerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Toke Bang-Andreasen Mette Peltre Lea Ellegaard-Jensen Lars Hestbjerg Hansen Morten Ingerslev Regin Rønn Carsten Suhr Jacobsen Rasmus Kjøller Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil
description	Abstract Wood ash is alkaline and contains base-cations. Application of wood ash to forests therefore counteracts soil acidification and recycle nutrients removed during harvest. Wood ash application to soil leads to strong vertical gradients in physicochemical parameters. Consequently, we designed an experimental system where small-scale vertical changes in soil properties and prokaryotic community structure could be followed after wood ash application. A mixed fly and bottom ash was applied in dosages of 3 and 9 t ha−1 to the surface of soil mesocosms, simulating a typical coniferous podzol. Soil pH, exchangeable cations and 16S prokaryotic community was subsequently assessed at small depth intervals to 5 cm depth at regular intervals for one year. Wood ash significantly changed the prokaryotic community in the top of the soil column. Also, the largest increases in pH and concentrations of exchangeable cations was found here. The relative abundance of prokaryotic groups directionally changed, suggesting that wood ash favors copiotrophic prokaryotes at the expense of oligotrophic and acidophilic taxa. The effect of wood ash were negligible both in terms of pH- and biological changes in lower soil layers. Consequently, by micro-vertical profiling we showed that wood ash causes a steep gradient of abiotic factors driving biotic changes but only in the top-most soil layers.
format	article
author	Toke Bang-Andreasen Mette Peltre Lea Ellegaard-Jensen Lars Hestbjerg Hansen Morten Ingerslev Regin Rønn Carsten Suhr Jacobsen Rasmus Kjøller
author_facet	Toke Bang-Andreasen Mette Peltre Lea Ellegaard-Jensen Lars Hestbjerg Hansen Morten Ingerslev Regin Rønn Carsten Suhr Jacobsen Rasmus Kjøller
author_sort	Toke Bang-Andreasen
title	Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil
title_short	Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil
title_full	Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil
title_fullStr	Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil
title_full_unstemmed	Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil
title_sort	application of wood ash leads to strong vertical gradients in soil ph changing prokaryotic community structure in forest top soil
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/166c075e05274c01aed83e6ac1c61719
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Application of wood ash leads to strong vertical gradients in soil pH changing prokaryotic community structure in forest top soil

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