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Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China

Yan Hong, Linhai Zhang, Ping Yang Orcid Logo, Chuan Tong, Yongxin Lin, Derrick Y. F. Lai, Hong Yang, Yalian Tian, Wanyi Zhu, Kam Tang Orcid Logo

CATENA, Volume: 225, Start page: 107034

Swansea University Author: Kam Tang Orcid Logo

  • CATENA accepted 19feb2023.pdf

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DOI (Published version): 10.1016/j.catena.2023.107034

Abstract

Coastal wetlands are important to the global carbon (C) budget and climate regulation. Plant invasion and aquaculture reclamation have drastically transformed China’s coastal wetlands, but knowledge of the effects on sediment carbon remains limited. We sampled top layer sediments (0–20 cm) in 21 coa...

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Published in: CATENA
ISSN: 0341-8162
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62691
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We sampled top layer sediments (0–20 cm) in 21 coastal wetlands in southeastern China across the tropical-subtropical climate gradient, that have experienced the same sequence of habitat transformation from native mudflats (MFs) to Spartina alterniflora marshes (SAs) then to aquaculture ponds (APs). We measured the sediment carbon contents and ancillary physicochemical parameters. Landscape change from MFs to SAs increased sediment organic carbon (SOC) but decreased sediment inorganic carbon (SIC) content, whereas conversion of SAs to APs resulted in the opposite changes. Based on stepwise regression analysis, ammonium concentration and particle size distribution were the common factors that affected changes in SOC between habitat types, whereas for SIC it was ammonium and chloride concentrations. Habitat change affected SOC to a larger degree than SIC. Overall, invasion of MFs by SAs increased total carbon storage in the top sediment by 22%, or 6.6×106 g C ha-1; conversion of SAs to APs decreased it by 9.7%, or 3.5×106 g C ha-1. 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F.</firstname><surname>Lai</surname><order>6</order></author><author><firstname>Hong</firstname><surname>Yang</surname><order>7</order></author><author><firstname>Yalian</firstname><surname>Tian</surname><order>8</order></author><author><firstname>Wanyi</firstname><surname>Zhu</surname><order>9</order></author><author><firstname>Kam</firstname><surname>Tang</surname><orcid>0000-0001-9427-9564</orcid><order>10</order></author></authors><documents><document><filename>62691__26625__8e9d6a4323614cb9b24e9224ebad6522.pdf</filename><originalFilename>CATENA accepted 19feb2023.pdf</originalFilename><uploaded>2023-02-20T08:11:17.9444524</uploaded><type>Output</type><contentLength>14443862</contentLength><contentType>application/pdf</contentType><version>Accepted Manuscript</version><cronfaStatus>true</cronfaStatus><embargoDate>2024-02-26T00:00:00.0000000</embargoDate><documentNotes>©2023 All rights reserved. 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spelling v2 62691 2023-02-20 Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China 69af43a3b9da24aef65c5d3a44956fe3 0000-0001-9427-9564 Kam Tang Kam Tang true false 2023-02-20 BGPS Coastal wetlands are important to the global carbon (C) budget and climate regulation. Plant invasion and aquaculture reclamation have drastically transformed China’s coastal wetlands, but knowledge of the effects on sediment carbon remains limited. We sampled top layer sediments (0–20 cm) in 21 coastal wetlands in southeastern China across the tropical-subtropical climate gradient, that have experienced the same sequence of habitat transformation from native mudflats (MFs) to Spartina alterniflora marshes (SAs) then to aquaculture ponds (APs). We measured the sediment carbon contents and ancillary physicochemical parameters. Landscape change from MFs to SAs increased sediment organic carbon (SOC) but decreased sediment inorganic carbon (SIC) content, whereas conversion of SAs to APs resulted in the opposite changes. Based on stepwise regression analysis, ammonium concentration and particle size distribution were the common factors that affected changes in SOC between habitat types, whereas for SIC it was ammonium and chloride concentrations. Habitat change affected SOC to a larger degree than SIC. Overall, invasion of MFs by SAs increased total carbon storage in the top sediment by 22%, or 6.6×106 g C ha-1; conversion of SAs to APs decreased it by 9.7%, or 3.5×106 g C ha-1. Our results showed the differential effects of different habitat modification scenarios on the sediment carbon pools and help assess how landscape-scale change affects terrestrial carbon budget and emission in the context of global climate change. Journal Article CATENA 225 107034 Elsevier BV 0341-8162 Sediment organic carbon (SOC); Sediment inorganic carbon (SIC); Coastal wetland; Invasive plants; Aquaculture reclamation; Carbon storage 1 5 2023 2023-05-01 10.1016/j.catena.2023.107034 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University Not Required 2024-07-29T13:44:26.3601150 2023-02-20T08:08:15.3908895 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Yan Hong 1 Linhai Zhang 2 Ping Yang 0000-0002-5212-6065 3 Chuan Tong 4 Yongxin Lin 5 Derrick Y. F. Lai 6 Hong Yang 7 Yalian Tian 8 Wanyi Zhu 9 Kam Tang 0000-0001-9427-9564 10 62691__26625__8e9d6a4323614cb9b24e9224ebad6522.pdf CATENA accepted 19feb2023.pdf 2023-02-20T08:11:17.9444524 Output 14443862 application/pdf Accepted Manuscript true 2024-02-26T00:00:00.0000000 ©2023 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China
spellingShingle Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China
Kam Tang
title_short Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China
title_full Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China
title_fullStr Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China
title_full_unstemmed Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China
title_sort Responses of coastal sediment organic and inorganic carbon to habitat modification across a wide latitudinal range in southeastern China
author_id_str_mv 69af43a3b9da24aef65c5d3a44956fe3
author_id_fullname_str_mv 69af43a3b9da24aef65c5d3a44956fe3_***_Kam Tang
author Kam Tang
author2 Yan Hong
Linhai Zhang
Ping Yang
Chuan Tong
Yongxin Lin
Derrick Y. F. Lai
Hong Yang
Yalian Tian
Wanyi Zhu
Kam Tang
format Journal article
container_title CATENA
container_volume 225
container_start_page 107034
publishDate 2023
institution Swansea University
issn 0341-8162
doi_str_mv 10.1016/j.catena.2023.107034
publisher Elsevier BV
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
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description Coastal wetlands are important to the global carbon (C) budget and climate regulation. Plant invasion and aquaculture reclamation have drastically transformed China’s coastal wetlands, but knowledge of the effects on sediment carbon remains limited. We sampled top layer sediments (0–20 cm) in 21 coastal wetlands in southeastern China across the tropical-subtropical climate gradient, that have experienced the same sequence of habitat transformation from native mudflats (MFs) to Spartina alterniflora marshes (SAs) then to aquaculture ponds (APs). We measured the sediment carbon contents and ancillary physicochemical parameters. Landscape change from MFs to SAs increased sediment organic carbon (SOC) but decreased sediment inorganic carbon (SIC) content, whereas conversion of SAs to APs resulted in the opposite changes. Based on stepwise regression analysis, ammonium concentration and particle size distribution were the common factors that affected changes in SOC between habitat types, whereas for SIC it was ammonium and chloride concentrations. Habitat change affected SOC to a larger degree than SIC. Overall, invasion of MFs by SAs increased total carbon storage in the top sediment by 22%, or 6.6×106 g C ha-1; conversion of SAs to APs decreased it by 9.7%, or 3.5×106 g C ha-1. Our results showed the differential effects of different habitat modification scenarios on the sediment carbon pools and help assess how landscape-scale change affects terrestrial carbon budget and emission in the context of global climate change.
published_date 2023-05-01T13:44:25Z
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