Sedge expansion mitigates CO2 emissions intensified by an overlooked factor of soil consolidation: evidence from a mesocosm warming experiment

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成果类型：

期刊论文

作者：

Hu, Youxin;Liang, Jie;Li, Zhengjie*;Zhong, Yao;Jing, Lei;...

通讯作者：

Li, Zhengjie;Lu, WZ

作者机构：

[Wang, Guangjun; Hu, Youxin; Zhong, Yao; Gao, Dandan; Li, Zhengjie; Lu, Weizhi; Jing, Lei; Li, ZJ] Cent South Univ Forestry & Technol, Coll Ecol & Environm, Natl Engn Lab Appl Technol Forestry & Ecol South C, Changsha 410004, Peoples R China.

[Liang, Jie] Australian Natl Univ, Res Sch Biol, Plant Sci Div, Acton, ACT 2601, Australia.

[Yuan, Xia] Hangzhou Normal Univ, Hangzhou 311121, Peoples R China.

[Yi, Xinyu] Hunan Bot Garden, Changsha 410000, Peoples R China.

通讯机构：

[Lu, WZ ; Li, ZJ] C

Cent South Univ Forestry & Technol, Coll Ecol & Environm, Natl Engn Lab Appl Technol Forestry & Ecol South C, Changsha 410004, Peoples R China.

语种：

英文

关键词：

Mesocosm;Riparian zone;CO 2 flux;Mudflat;Sedge colonization;Soil consolidation

期刊：

Journal of Soils and Sediments

ISSN：

1439-0108

年：

2025

页码：

1-14

DOI：

10.1007/s11368-025-04081-z

基金类别：

This study was supported by the National Natural Science Foundation of China (Nos. 32371679, 32301404) and the Natural Science Foundation of Hunan Province (No. 2021JJ20012).

机构署名：

本校为第一且通讯机构

院系归属：

生命科学与技术学院

摘要：

Purpose Climate warming can cause more frequent droughts in wetlands, leading to changes in soil properties and vegetation expansion, and influencing carbon dioxide (CO2) emissions. Soil consolidation accelerated by drought is assumed to be an important factor affecting CO2 emissions from wetland soils. However, very few studies have proved this. Methods Here, we employed a mesocosm experiment to simulate sedge colonization under warming scenarios over an entire growing season. This experiment continuously monitored CO2 fluxes, along with water vapor (H2O) fluxes, changes in sediment surface e...

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Sedge expansion mitigates CO2 emissions intensified by an overlooked factor of soil consolidation: evidence from a mesocosm warming experiment

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