Increasing temperatures reduce invertebrate abundance and slow decomposition

Decomposition is an essential ecosystem service driven by interacting biotic and abiotic factors. Increasing temperatures due to climate change can affect soil moisture, soil fauna, and subsequently, decomposition. Understanding how projected climate change scenarios will affect decomposition is of...

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Autores principales:	Laura L. Figueroa, Audrey Maran, Shannon L. Pelini
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e68b20d931ab4915a5ff205d11bfd528
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spelling	oai:doaj.org-article:e68b20d931ab4915a5ff205d11bfd5282021-11-18T07:37:11ZIncreasing temperatures reduce invertebrate abundance and slow decomposition1932-6203https://doaj.org/article/e68b20d931ab4915a5ff205d11bfd5282021-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8580216/?tool=EBIhttps://doaj.org/toc/1932-6203Decomposition is an essential ecosystem service driven by interacting biotic and abiotic factors. Increasing temperatures due to climate change can affect soil moisture, soil fauna, and subsequently, decomposition. Understanding how projected climate change scenarios will affect decomposition is of vital importance for predicting nutrient cycling and ecosystem health. In this study, we experimentally addressed the question of how the early stages of decomposition would vary along a gradient of projected climate change scenarios. Given the importance of biodiversity for ecosystem service provisioning, we measured the effect of invertebrate exclusion on red maple (Acer rubrum) leaf litter breakdown along a temperature gradient using litterbags in warming chambers over a period of five weeks. Leaf litter decomposed more slowly in the warmer chambers and in the litterbag treatment that minimized invertebrate access. Moreover, increasing air temperature reduced invertebrate abundance and richness, and altered the community composition, independent of exclusion treatment. Using structural equation models, we were able to disentangle the effects of average air temperature on leaf litter loss, finding a direct negative effect of warming on the early stages of decomposition, independent of invertebrate abundance. This result indicates that not only can climate change affect the invertebrate community, but may also directly influence how the remaining organisms interact with their environment and their effectiveness at provisioning ecosystem services. Overall, our study highlights the role of biodiversity in maintaining ecosystem services and contributes to our understanding of how climate change could disrupt nutrient cycling.Laura L. FigueroaAudrey MaranShannon L. PeliniPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Laura L. Figueroa Audrey Maran Shannon L. Pelini Increasing temperatures reduce invertebrate abundance and slow decomposition
description	Decomposition is an essential ecosystem service driven by interacting biotic and abiotic factors. Increasing temperatures due to climate change can affect soil moisture, soil fauna, and subsequently, decomposition. Understanding how projected climate change scenarios will affect decomposition is of vital importance for predicting nutrient cycling and ecosystem health. In this study, we experimentally addressed the question of how the early stages of decomposition would vary along a gradient of projected climate change scenarios. Given the importance of biodiversity for ecosystem service provisioning, we measured the effect of invertebrate exclusion on red maple (Acer rubrum) leaf litter breakdown along a temperature gradient using litterbags in warming chambers over a period of five weeks. Leaf litter decomposed more slowly in the warmer chambers and in the litterbag treatment that minimized invertebrate access. Moreover, increasing air temperature reduced invertebrate abundance and richness, and altered the community composition, independent of exclusion treatment. Using structural equation models, we were able to disentangle the effects of average air temperature on leaf litter loss, finding a direct negative effect of warming on the early stages of decomposition, independent of invertebrate abundance. This result indicates that not only can climate change affect the invertebrate community, but may also directly influence how the remaining organisms interact with their environment and their effectiveness at provisioning ecosystem services. Overall, our study highlights the role of biodiversity in maintaining ecosystem services and contributes to our understanding of how climate change could disrupt nutrient cycling.
format	article
author	Laura L. Figueroa Audrey Maran Shannon L. Pelini
author_facet	Laura L. Figueroa Audrey Maran Shannon L. Pelini
author_sort	Laura L. Figueroa
title	Increasing temperatures reduce invertebrate abundance and slow decomposition
title_short	Increasing temperatures reduce invertebrate abundance and slow decomposition
title_full	Increasing temperatures reduce invertebrate abundance and slow decomposition
title_fullStr	Increasing temperatures reduce invertebrate abundance and slow decomposition
title_full_unstemmed	Increasing temperatures reduce invertebrate abundance and slow decomposition
title_sort	increasing temperatures reduce invertebrate abundance and slow decomposition
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/e68b20d931ab4915a5ff205d11bfd528
work_keys_str_mv	AT lauralfigueroa increasingtemperaturesreduceinvertebrateabundanceandslowdecomposition AT audreymaran increasingtemperaturesreduceinvertebrateabundanceandslowdecomposition AT shannonlpelini increasingtemperaturesreduceinvertebrateabundanceandslowdecomposition
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Increasing temperatures reduce invertebrate abundance and slow decomposition

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