Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China

The main factors controlling plant litter decomposition rates are litter quality and environmental factors. We investigated how different salinity and inundation conditions influence the decomposition rate and how litter quality affects dynamic change during the decomposition process in the Yellow R...

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Autores principales:	Jiexiu Zhai, James T. Anderson, Guoxin Yan, Ling Cong, Yanan Wu, Liyi Dai, Jiakai Liu, Zhenming Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Litter decomposition rate Estuarine wetland Salinity Inundation Litter quality Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/46902de547dd4bc0b66b7c9054fa08a9
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spelling	oai:doaj.org-article:46902de547dd4bc0b66b7c9054fa08a92021-12-01T04:30:08ZDecomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China1470-160X10.1016/j.ecolind.2020.106943https://doaj.org/article/46902de547dd4bc0b66b7c9054fa08a92021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X20308827https://doaj.org/toc/1470-160XThe main factors controlling plant litter decomposition rates are litter quality and environmental factors. We investigated how different salinity and inundation conditions influence the decomposition rate and how litter quality affects dynamic change during the decomposition process in the Yellow River Delta wetland in northeastern China. To do this, we designed a field experiment using the litter bag method to study two selected dominant halophyte species (Phragmites australis and Suaeda salsa). We found litter decomposed faster when inundated across a range of salinities. Both the water chemical oxygen demand and NH3-N concentration were inversely correlated with salinity. The ratio of nitrogen to phosphorous showed an upward trend during the process of decomposition. The decomposition rate increased during the later stage of the process. Under inundation conditions, the decomposition rate of only S. salsa showed a positive correlation with salinity. The study results suggest that moderately higher salinity would increase anaerobic decomposition owing to the combined effect of salinity and inundation. The implications of our findings may be used to further assess the impact of environmental parameters and litter quality on the decomposition rate in estuarine wetland and can help determine a strategy for wetland reparation and remediation.Jiexiu ZhaiJames T. AndersonGuoxin YanLing CongYanan WuLiyi DaiJiakai LiuZhenming ZhangElsevierarticleLitter decomposition rateEstuarine wetlandSalinityInundationLitter qualityEcologyQH540-549.5ENEcological Indicators, Vol 120, Iss , Pp 106943- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Litter decomposition rate Estuarine wetland Salinity Inundation Litter quality Ecology QH540-549.5
spellingShingle	Litter decomposition rate Estuarine wetland Salinity Inundation Litter quality Ecology QH540-549.5 Jiexiu Zhai James T. Anderson Guoxin Yan Ling Cong Yanan Wu Liyi Dai Jiakai Liu Zhenming Zhang Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China
description	The main factors controlling plant litter decomposition rates are litter quality and environmental factors. We investigated how different salinity and inundation conditions influence the decomposition rate and how litter quality affects dynamic change during the decomposition process in the Yellow River Delta wetland in northeastern China. To do this, we designed a field experiment using the litter bag method to study two selected dominant halophyte species (Phragmites australis and Suaeda salsa). We found litter decomposed faster when inundated across a range of salinities. Both the water chemical oxygen demand and NH3-N concentration were inversely correlated with salinity. The ratio of nitrogen to phosphorous showed an upward trend during the process of decomposition. The decomposition rate increased during the later stage of the process. Under inundation conditions, the decomposition rate of only S. salsa showed a positive correlation with salinity. The study results suggest that moderately higher salinity would increase anaerobic decomposition owing to the combined effect of salinity and inundation. The implications of our findings may be used to further assess the impact of environmental parameters and litter quality on the decomposition rate in estuarine wetland and can help determine a strategy for wetland reparation and remediation.
format	article
author	Jiexiu Zhai James T. Anderson Guoxin Yan Ling Cong Yanan Wu Liyi Dai Jiakai Liu Zhenming Zhang
author_facet	Jiexiu Zhai James T. Anderson Guoxin Yan Ling Cong Yanan Wu Liyi Dai Jiakai Liu Zhenming Zhang
author_sort	Jiexiu Zhai
title	Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China
title_short	Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China
title_full	Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China
title_fullStr	Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China
title_full_unstemmed	Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China
title_sort	decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in yellow river delta wetland in northeastern china
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/46902de547dd4bc0b66b7c9054fa08a9
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Decomposition and nutrient dynamics responses of plant litter to interactive effects of flooding and salinity in Yellow River Delta wetland in northeastern China

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