Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary

The role of wetland plant (Scirpus mariqueter) on methane (CH4) emissions from a subtropical tidal saltmarsh of Yangtze estuary was investigated over a year. Monthly CH4 flux and pore-water CH4 concentration were characterized using static closed chamber technique and pore-water extraction. Measured...
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Autor*in:	Yangjie Li [verfasserIn] Dongqi Wang [verfasserIn] Zhenlou Chen [verfasserIn] Haiyan Jin [verfasserIn] Hong Hu [verfasserIn] Jianfang Chen [verfasserIn] Zhi Yang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	estuarine salt marsh vascular plant carbon cycles methane emission

Übergeordnetes Werk:	In: Sustainability - MDPI AG, 2009, 10(2018), 4, p 1139
Übergeordnetes Werk:	volume:10 ; year:2018 ; number:4, p 1139

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/su10041139

Katalog-ID:	DOAJ014724731

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authorswithroles_txt_mv	Yangjie Li @@aut@@ Dongqi Wang @@aut@@ Zhenlou Chen @@aut@@ Haiyan Jin @@aut@@ Hong Hu @@aut@@ Jianfang Chen @@aut@@ Zhi Yang @@aut@@
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callnumber-first	T - Technology
author	Yangjie Li
spellingShingle	Yangjie Li misc TD194-195 misc TJ807-830 misc GE1-350 misc estuarine salt marsh misc vascular plant misc carbon cycles misc methane emission misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary
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topic_title	TD194-195 TJ807-830 GE1-350 Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary estuarine salt marsh vascular plant carbon cycles methane emission
topic	misc TD194-195 misc TJ807-830 misc GE1-350 misc estuarine salt marsh misc vascular plant misc carbon cycles misc methane emission misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences
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title	Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary
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title_full	Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary
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author_browse	Yangjie Li Dongqi Wang Zhenlou Chen Haiyan Jin Hong Hu Jianfang Chen Zhi Yang
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title_sort	role of scirpus mariqueter on methane emission from an intertidal saltmarsh of yangtze estuary
callnumber	TD194-195
title_auth	Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary
abstract	The role of wetland plant (Scirpus mariqueter) on methane (CH4) emissions from a subtropical tidal saltmarsh of Yangtze estuary was investigated over a year. Monthly CH4 flux and pore-water CH4 concentration were characterized using static closed chamber technique and pore-water extraction. Measured chamber CH4 fluxes indicated that saltmarsh of the Yangtze estuary acted as a net source of atmospheric CH4 with annual average flux of 24.0 mgCH4·m−2·day−1. The maximum chamber CH4 flux was in August (91.2 mgCH4·m−2·day−1), whereas the minimum was observed in March (2.30 mgCH4·m−2·day−1). Calculated diffusion CH4 fluxes were generally less than 6% of the chamber fluxes. Significant correlations were observed between the chamber CH4 flux and rhizospheric pore-water CH4 concentration (11–15 cm: p < 0.05, R = 0.732; 16–20 cm: p < 0.05, R = 0.777). In addition, chamber CH4 fluxes from July to September constituted more than 80% of the total annual emission and were closely correlated with aboveground biomass yield of S. mariqueter. The results indicated that S. mariqueter transportation was the dominant CH4 emission pathway and it provided an efficient route for the belowground CH4 to escape into the atmosphere while avoiding oxidation, leading to CH4 emissions.
abstractGer	The role of wetland plant (Scirpus mariqueter) on methane (CH4) emissions from a subtropical tidal saltmarsh of Yangtze estuary was investigated over a year. Monthly CH4 flux and pore-water CH4 concentration were characterized using static closed chamber technique and pore-water extraction. Measured chamber CH4 fluxes indicated that saltmarsh of the Yangtze estuary acted as a net source of atmospheric CH4 with annual average flux of 24.0 mgCH4·m−2·day−1. The maximum chamber CH4 flux was in August (91.2 mgCH4·m−2·day−1), whereas the minimum was observed in March (2.30 mgCH4·m−2·day−1). Calculated diffusion CH4 fluxes were generally less than 6% of the chamber fluxes. Significant correlations were observed between the chamber CH4 flux and rhizospheric pore-water CH4 concentration (11–15 cm: p < 0.05, R = 0.732; 16–20 cm: p < 0.05, R = 0.777). In addition, chamber CH4 fluxes from July to September constituted more than 80% of the total annual emission and were closely correlated with aboveground biomass yield of S. mariqueter. The results indicated that S. mariqueter transportation was the dominant CH4 emission pathway and it provided an efficient route for the belowground CH4 to escape into the atmosphere while avoiding oxidation, leading to CH4 emissions.
abstract_unstemmed	The role of wetland plant (Scirpus mariqueter) on methane (CH4) emissions from a subtropical tidal saltmarsh of Yangtze estuary was investigated over a year. Monthly CH4 flux and pore-water CH4 concentration were characterized using static closed chamber technique and pore-water extraction. Measured chamber CH4 fluxes indicated that saltmarsh of the Yangtze estuary acted as a net source of atmospheric CH4 with annual average flux of 24.0 mgCH4·m−2·day−1. The maximum chamber CH4 flux was in August (91.2 mgCH4·m−2·day−1), whereas the minimum was observed in March (2.30 mgCH4·m−2·day−1). Calculated diffusion CH4 fluxes were generally less than 6% of the chamber fluxes. Significant correlations were observed between the chamber CH4 flux and rhizospheric pore-water CH4 concentration (11–15 cm: p < 0.05, R = 0.732; 16–20 cm: p < 0.05, R = 0.777). In addition, chamber CH4 fluxes from July to September constituted more than 80% of the total annual emission and were closely correlated with aboveground biomass yield of S. mariqueter. The results indicated that S. mariqueter transportation was the dominant CH4 emission pathway and it provided an efficient route for the belowground CH4 to escape into the atmosphere while avoiding oxidation, leading to CH4 emissions.
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container_issue	4, p 1139
title_short	Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary
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author2	Dongqi Wang Zhenlou Chen Haiyan Jin Hong Hu Jianfang Chen Zhi Yang
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Monthly CH4 flux and pore-water CH4 concentration were characterized using static closed chamber technique and pore-water extraction. Measured chamber CH4 fluxes indicated that saltmarsh of the Yangtze estuary acted as a net source of atmospheric CH4 with annual average flux of 24.0 mgCH4·m−2·day−1. The maximum chamber CH4 flux was in August (91.2 mgCH4·m−2·day−1), whereas the minimum was observed in March (2.30 mgCH4·m−2·day−1). Calculated diffusion CH4 fluxes were generally less than 6% of the chamber fluxes. Significant correlations were observed between the chamber CH4 flux and rhizospheric pore-water CH4 concentration (11–15 cm: p &lt; 0.05, R = 0.732; 16–20 cm: p &lt; 0.05, R = 0.777). In addition, chamber CH4 fluxes from July to September constituted more than 80% of the total annual emission and were closely correlated with aboveground biomass yield of S. mariqueter. 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Role of Scirpus mariqueter on Methane Emission from an Intertidal Saltmarsh of Yangtze Estuary

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