Universität zu Köln

Mayer, Mathias, Rewald, Boris ORCID: 0000-0001-8098-0616, Matthews, Bradley ORCID: 0000-0001-9710-7688, Sanden, Hans ORCID: 0000-0002-2496-6307, Rosinger, Christoph ORCID: 0000-0002-4973-3921, Katzensteiner, Klaus, Gorfer, Markus ORCID: 0000-0003-3010-6044, Berger, Harald ORCID: 0000-0001-7974-3058, Tallian, Claudia ORCID: 0000-0002-0790-3881, Berger, Torsten W. ORCID: 0000-0002-5614-5888 and Godbold, Douglas L. (2021). Soil fertility relates to fungal-mediated decomposition and organic matter turnover in a temperate mountain forest. New Phytol., 231 (2). S. 777 - 791. HOBOKEN: WILEY. ISSN 1469-8137

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Abstract

Fungi are known to exert a significant influence over soil organic matter (SOM) turnover, however understanding of the effects of fungal community structure on SOM dynamics and its consequences for ecosystem fertility is fragmentary. Here we studied soil fungal guilds and SOM decomposition processes along a fertility gradient in a temperate mountain beech forest. High-throughput sequencing was used to investigate fungal communities. Carbon and nitrogen stocks, enzymatic activity and microbial respiration were measured. While ectomycorrhizal fungal abundance was not related to fertility, saprotrophic ascomycetes showed higher relative abundances under more fertile conditions. The activity of oxidising enzymes and respiration rates in mineral soil were related positively to fertility and saprotrophic fungi. In addition, organic layer carbon and nitrogen stocks were lower on the more fertile plots, although tree biomass and litter input were higher. Together, the results indicated a faster SOM turnover at the fertile end of the gradient. We suggest that there is a positive feedback mechanism between SOM turnover and fertility that is mediated by soil fungi to a significant extent. By underlining the importance of fungi for soil fertility and plant growth, these findings furthermore emphasise the dependency of carbon cycling on fungal communities below ground.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Mayer, Mathias UNSPECIFIED UNSPECIFIED UNSPECIFIED Rewald, Boris UNSPECIFIED orcid.org/0000-0001-8098-0616 UNSPECIFIED Matthews, Bradley UNSPECIFIED orcid.org/0000-0001-9710-7688 UNSPECIFIED Sanden, Hans UNSPECIFIED orcid.org/0000-0002-2496-6307 UNSPECIFIED Rosinger, Christoph UNSPECIFIED orcid.org/0000-0002-4973-3921 UNSPECIFIED Katzensteiner, Klaus UNSPECIFIED UNSPECIFIED UNSPECIFIED Gorfer, Markus UNSPECIFIED orcid.org/0000-0003-3010-6044 UNSPECIFIED Berger, Harald UNSPECIFIED orcid.org/0000-0001-7974-3058 UNSPECIFIED Tallian, Claudia UNSPECIFIED orcid.org/0000-0002-0790-3881 UNSPECIFIED Berger, Torsten W. UNSPECIFIED orcid.org/0000-0002-5614-5888 UNSPECIFIED Godbold, Douglas L. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-587436
DOI:	10.1111/nph.17421
Journal or Publication Title:	New Phytol.
Volume:	231
Number:	2
Page Range:	S. 777 - 791
Date:	2021
Publisher:	WILEY
Place of Publication:	HOBOKEN
ISSN:	1469-8137
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ECTOMYCORRHIZAL FUNGI; LITTER DECOMPOSITION; MYCORRHIZAL FUNGI; FAGUS-SYLVATICA; ROOT EXUDATION; CARBON STOCKS; CO2 EFFLUX; COMMUNITIES; MINERALIZATION; PRODUCTIVITY Multiple languages Plant Sciences Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/58743