Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest

Abstract Soil respiration (SR) in forests contributes significant carbon dioxide emissions from terrestrial ecosystems and is highly sensitive to environmental changes, including soil temperature, soil moisture, microbial community, surface litter, and vegetation type. Indeed, a small change in SR m...

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Autores principales:	Chadtip Rodtassana, Weerapong Unawong, Siriphong Yaemphum, Wirong Chanthorn, Sakonvan Chawchai, Anuttara Nathalang, Warren Y. Brockelman, Pantana Tor‐ngern
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	forest succession soil moisture soil organic matter soil respiration soil temperature tropical forests Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/5d165eeeb1bd4e21888fc5e24775a471
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spelling	oai:doaj.org-article:5d165eeeb1bd4e21888fc5e24775a4712021-11-08T17:10:41ZDifferent responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest2045-775810.1002/ece3.8248https://doaj.org/article/5d165eeeb1bd4e21888fc5e24775a4712021-11-01T00:00:00Zhttps://doi.org/10.1002/ece3.8248https://doaj.org/toc/2045-7758Abstract Soil respiration (SR) in forests contributes significant carbon dioxide emissions from terrestrial ecosystems and is highly sensitive to environmental changes, including soil temperature, soil moisture, microbial community, surface litter, and vegetation type. Indeed, a small change in SR may have large impacts on the global carbon balance, further influencing feedbacks to climate change. Thus, detailed characterization of SR responses to changes in environmental conditions is needed to accurately estimate carbon dioxide emissions from forest ecosystems. However, data for such analyses are still limited, especially in tropical forests of Southeast Asia where various stages of forest succession exist due to previous land‐use changes. In this study, we measured SR and some environmental factors including soil temperature (ST), soil moisture (SM), and organic matter content (OM) in three successional tropical forests in both wet and dry periods. We also analyzed the relationships between SR and these environmental variables. Results showed that SR was higher in the wet period and in older forests. Although no response of SR to ST was found in younger forest stages, SR of the old‐growth forest significantly responded to ST, plausibly due to the nonuniform forest structure, including gaps, that resulted in a wide range of ST. Across forest stages, SM was the limiting factor for SR in the wet period, whereas SR significantly varied with OM in the dry period. Overall, our results indicated that the responses of SR to environmental factors varied temporally and across forest succession. Nevertheless, these findings are still preliminary and call for detailed investigations on SR and its variations with environmental factors in Southeast Asian tropical forests where patches of successional stages dominate.Chadtip RodtassanaWeerapong UnawongSiriphong YaemphumWirong ChanthornSakonvan ChawchaiAnuttara NathalangWarren Y. BrockelmanPantana Tor‐ngernWileyarticleforest successionsoil moisturesoil organic mattersoil respirationsoil temperaturetropical forestsEcologyQH540-549.5ENEcology and Evolution, Vol 11, Iss 21, Pp 15430-15443 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	forest succession soil moisture soil organic matter soil respiration soil temperature tropical forests Ecology QH540-549.5
spellingShingle	forest succession soil moisture soil organic matter soil respiration soil temperature tropical forests Ecology QH540-549.5 Chadtip Rodtassana Weerapong Unawong Siriphong Yaemphum Wirong Chanthorn Sakonvan Chawchai Anuttara Nathalang Warren Y. Brockelman Pantana Tor‐ngern Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest
description	Abstract Soil respiration (SR) in forests contributes significant carbon dioxide emissions from terrestrial ecosystems and is highly sensitive to environmental changes, including soil temperature, soil moisture, microbial community, surface litter, and vegetation type. Indeed, a small change in SR may have large impacts on the global carbon balance, further influencing feedbacks to climate change. Thus, detailed characterization of SR responses to changes in environmental conditions is needed to accurately estimate carbon dioxide emissions from forest ecosystems. However, data for such analyses are still limited, especially in tropical forests of Southeast Asia where various stages of forest succession exist due to previous land‐use changes. In this study, we measured SR and some environmental factors including soil temperature (ST), soil moisture (SM), and organic matter content (OM) in three successional tropical forests in both wet and dry periods. We also analyzed the relationships between SR and these environmental variables. Results showed that SR was higher in the wet period and in older forests. Although no response of SR to ST was found in younger forest stages, SR of the old‐growth forest significantly responded to ST, plausibly due to the nonuniform forest structure, including gaps, that resulted in a wide range of ST. Across forest stages, SM was the limiting factor for SR in the wet period, whereas SR significantly varied with OM in the dry period. Overall, our results indicated that the responses of SR to environmental factors varied temporally and across forest succession. Nevertheless, these findings are still preliminary and call for detailed investigations on SR and its variations with environmental factors in Southeast Asian tropical forests where patches of successional stages dominate.
format	article
author	Chadtip Rodtassana Weerapong Unawong Siriphong Yaemphum Wirong Chanthorn Sakonvan Chawchai Anuttara Nathalang Warren Y. Brockelman Pantana Tor‐ngern
author_facet	Chadtip Rodtassana Weerapong Unawong Siriphong Yaemphum Wirong Chanthorn Sakonvan Chawchai Anuttara Nathalang Warren Y. Brockelman Pantana Tor‐ngern
author_sort	Chadtip Rodtassana
title	Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest
title_short	Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest
title_full	Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest
title_fullStr	Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest
title_full_unstemmed	Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest
title_sort	different responses of soil respiration to environmental factors across forest stages in a southeast asian forest
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/5d165eeeb1bd4e21888fc5e24775a471
work_keys_str_mv	AT chadtiprodtassana differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest AT weerapongunawong differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest AT siriphongyaemphum differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest AT wirongchanthorn differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest AT sakonvanchawchai differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest AT anuttaranathalang differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest AT warrenybrockelman differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest AT pantanatorngern differentresponsesofsoilrespirationtoenvironmentalfactorsacrossforeststagesinasoutheastasianforest
_version_	1718441476779671552

Different responses of soil respiration to environmental factors across forest stages in a Southeast Asian forest

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