Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem

Abstract Environment, litter composition and decomposer community are known to be the main drivers of litter decomposition in aquatic ecosystems. However, it remains unclear whether litter quality or functional diversity prevails under warming conditions. Using tank bromeliad ecosystems, we evaluate...

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Autores principales:	Gustavo H. Migliorini, Gustavo Q. Romero
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7dea42f4a9f84376b3c5de9e5e2bdfb7
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spelling	oai:doaj.org-article:7dea42f4a9f84376b3c5de9e5e2bdfb72021-12-02T12:34:17ZWarming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem10.1038/s41598-020-77382-72045-2322https://doaj.org/article/7dea42f4a9f84376b3c5de9e5e2bdfb72020-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-77382-7https://doaj.org/toc/2045-2322Abstract Environment, litter composition and decomposer community are known to be the main drivers of litter decomposition in aquatic ecosystems. However, it remains unclear whether litter quality or functional diversity prevails under warming conditions. Using tank bromeliad ecosystems, we evaluated the combined effects of warming, litter quality and litter functional diversity on the decomposition process. We also assessed the contribution of macroinvertebrates and microorganisms in explaining litter decomposition patterns using litter bags made with different mesh sizes. Our results showed that litter decomposition was driven by litter functional diversity and was increasingly higher under warming, in both mesh sizes. Decomposition was explained by increasing litter dissimilarities in C and N. Our results highlight the importance of considering different aspects of litter characteristics (e.g., quality and functional diversity) in order to predict the decomposition process in freshwater ecosystems. Considering the joint effect of warming and litter traits aspects allow a more refined understanding of the underlying mechanisms of climate change and biodiversity shifts effects on ecosystem functioning.Gustavo H. MiglioriniGustavo Q. RomeroNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gustavo H. Migliorini Gustavo Q. Romero Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem
description	Abstract Environment, litter composition and decomposer community are known to be the main drivers of litter decomposition in aquatic ecosystems. However, it remains unclear whether litter quality or functional diversity prevails under warming conditions. Using tank bromeliad ecosystems, we evaluated the combined effects of warming, litter quality and litter functional diversity on the decomposition process. We also assessed the contribution of macroinvertebrates and microorganisms in explaining litter decomposition patterns using litter bags made with different mesh sizes. Our results showed that litter decomposition was driven by litter functional diversity and was increasingly higher under warming, in both mesh sizes. Decomposition was explained by increasing litter dissimilarities in C and N. Our results highlight the importance of considering different aspects of litter characteristics (e.g., quality and functional diversity) in order to predict the decomposition process in freshwater ecosystems. Considering the joint effect of warming and litter traits aspects allow a more refined understanding of the underlying mechanisms of climate change and biodiversity shifts effects on ecosystem functioning.
format	article
author	Gustavo H. Migliorini Gustavo Q. Romero
author_facet	Gustavo H. Migliorini Gustavo Q. Romero
author_sort	Gustavo H. Migliorini
title	Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem
title_short	Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem
title_full	Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem
title_fullStr	Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem
title_full_unstemmed	Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem
title_sort	warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/7dea42f4a9f84376b3c5de9e5e2bdfb7
work_keys_str_mv	AT gustavohmigliorini warmingandleaflitterfunctionaldiversitynotlitterqualitydrivedecompositioninafreshwaterecosystem AT gustavoqromero warmingandleaflitterfunctionaldiversitynotlitterqualitydrivedecompositioninafreshwaterecosystem
_version_	1718393868492210176

Warming and leaf litter functional diversity, not litter quality, drive decomposition in a freshwater ecosystem

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