Reclaimed saline‐alkali paddy field may be a hotspot of methane and ammonia emissions
Salinization and alkalization are global environmental issues, and a growing area of saline‐alkali land has been developed as paddy fields. However, the information on the characteristics and driving mechanisms of greenhouse gas (i.e., methane (CH 4 ), carbon dioxide (CO 2 ) and nitrous oxide (N 2 O...
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| Veröffentlicht in: | Land degradation & development 2023-10, Vol.34 (16), p.4869-4881 |
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| container_title | Land degradation & development |
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| creator | Wang, Xinyi Lyu, Jiao Zhu, Hui Shutes, Brian Xu, Yingying Zhang, Fuman |
| description | Salinization and alkalization are global environmental issues, and a growing area of saline‐alkali land has been developed as paddy fields. However, the information on the characteristics and driving mechanisms of greenhouse gas (i.e., methane (CH
4
), carbon dioxide (CO
2
) and nitrous oxide (N
2
O)) and ammonia (NH
3
) emissions from paddy fields with different saline‐alkali levels is limited. We conducted a 137‐day mesocosm experiment to investigate these issues using light (L), moderate (M), and heavy (H) saline‐alkali soils with a history of reclamation of 20, 4 and 2 years, respectively. The results demonstrated that both the cumulative CH
4
and NH
3
fluxes in H treatment were significantly (
p
|
| doi_str_mv | 10.1002/ldr.4815 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2875186483</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2875186483</sourcerecordid><originalsourceid>FETCH-LOGICAL-c255t-de936c7568c1fe0e343f5d5bbfb9bf2dfabd2c47e6825080a6beaeac9fb7c5be3</originalsourceid><addsrcrecordid>eNotkM9KxDAYxIMouK6CjxDw4qVr0jZtepTFf7AgiKK38CX5wmZtm5p0D3vzEXxGn8Qu62mGYZiBHyGXnC04Y_lNa-OilFwckRlnTZPxUnwc770UWZHX8pScpbRhjPG6rGfk_QVNC75DSxO0vsff7x9oPydLB7B2R53H1tIOdlQjBboOYxrCSIOjHY5r6KewtxS6LvQeKHY-JR_6dE5OHLQJL_51Tt7u716Xj9nq-eFpebvKTC7EmFlsisrUopKGO2RYlIUTVmjtdKNdbh1om5uyxkrmgkkGlUZAMI3TtREaizm5OuwOMXxtMY1qE7axny5VLmvBZVXKYmpdH1omhpQiOjVE30HcKc7UHpuasKk9tuIPlKlivA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2875186483</pqid></control><display><type>article</type><title>Reclaimed saline‐alkali paddy field may be a hotspot of methane and ammonia emissions</title><source>Wiley Online Library Journals Frontfile Complete</source><creator>Wang, Xinyi ; Lyu, Jiao ; Zhu, Hui ; Shutes, Brian ; Xu, Yingying ; Zhang, Fuman</creator><creatorcontrib>Wang, Xinyi ; Lyu, Jiao ; Zhu, Hui ; Shutes, Brian ; Xu, Yingying ; Zhang, Fuman</creatorcontrib><description>Salinization and alkalization are global environmental issues, and a growing area of saline‐alkali land has been developed as paddy fields. However, the information on the characteristics and driving mechanisms of greenhouse gas (i.e., methane (CH
4
), carbon dioxide (CO
2
) and nitrous oxide (N
2
O)) and ammonia (NH
3
) emissions from paddy fields with different saline‐alkali levels is limited. We conducted a 137‐day mesocosm experiment to investigate these issues using light (L), moderate (M), and heavy (H) saline‐alkali soils with a history of reclamation of 20, 4 and 2 years, respectively. The results demonstrated that both the cumulative CH
4
and NH
3
fluxes in H treatment were significantly (
p
< 0.05) higher than L. While, the increasing saline‐alkali levels reduced the cumulative CO
2
and N
2
O fluxes, respectively. With the increasing saline‐alkali levels, the species richness and diversity of microbial communities decreased. High saline‐alkali level inhibited the growth of ammonia‐oxidizing archaea, resulting in less N
2
O produced by nitrification, thus reducing N
2
O emission. Cumulative CH
4
flux and the
mcr
A gene copy numbers showed a significant (
p
< 0.05) negative correlation. The gene copy number in H treatment was lower than M and L, respectively. The highest global warming potential and greenhouse gas intensity were observed in H treatment. Overall, recently reclaimed saline‐alkali paddy field with an initial heavy saline‐alkali level may be a hotspot of farmland CH
4
and NH
3
emissions, highlighting the necessity of optimizing water and fertilizer management for controlling these gas emissions at the initial stage of developing saline‐alkali lands into paddy fields.</description><identifier>ISSN: 1085-3278</identifier><identifier>EISSN: 1099-145X</identifier><identifier>DOI: 10.1002/ldr.4815</identifier><language>eng</language><publisher>Chichester: Wiley Subscription Services, Inc</publisher><subject>Agricultural land ; Ammonia ; Archaea ; Carbon dioxide ; Climate change ; Copy number ; Emissions ; Emissions control ; Farm buildings ; Fluxes ; Global warming ; Greenhouse effect ; Greenhouse gases ; Hot spots (geology) ; Methane ; Microbial activity ; Microorganisms ; Nitrification ; Nitrous oxide ; Reclamation ; Rice fields ; Saline soils ; Salinization ; Species diversity ; Species richness</subject><ispartof>Land degradation & development, 2023-10, Vol.34 (16), p.4869-4881</ispartof><rights>2023 John Wiley & Sons Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c255t-de936c7568c1fe0e343f5d5bbfb9bf2dfabd2c47e6825080a6beaeac9fb7c5be3</citedby><cites>FETCH-LOGICAL-c255t-de936c7568c1fe0e343f5d5bbfb9bf2dfabd2c47e6825080a6beaeac9fb7c5be3</cites><orcidid>0000-0003-0312-1281</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Wang, Xinyi</creatorcontrib><creatorcontrib>Lyu, Jiao</creatorcontrib><creatorcontrib>Zhu, Hui</creatorcontrib><creatorcontrib>Shutes, Brian</creatorcontrib><creatorcontrib>Xu, Yingying</creatorcontrib><creatorcontrib>Zhang, Fuman</creatorcontrib><title>Reclaimed saline‐alkali paddy field may be a hotspot of methane and ammonia emissions</title><title>Land degradation & development</title><description>Salinization and alkalization are global environmental issues, and a growing area of saline‐alkali land has been developed as paddy fields. However, the information on the characteristics and driving mechanisms of greenhouse gas (i.e., methane (CH
4
), carbon dioxide (CO
2
) and nitrous oxide (N
2
O)) and ammonia (NH
3
) emissions from paddy fields with different saline‐alkali levels is limited. We conducted a 137‐day mesocosm experiment to investigate these issues using light (L), moderate (M), and heavy (H) saline‐alkali soils with a history of reclamation of 20, 4 and 2 years, respectively. The results demonstrated that both the cumulative CH
4
and NH
3
fluxes in H treatment were significantly (
p
< 0.05) higher than L. While, the increasing saline‐alkali levels reduced the cumulative CO
2
and N
2
O fluxes, respectively. With the increasing saline‐alkali levels, the species richness and diversity of microbial communities decreased. High saline‐alkali level inhibited the growth of ammonia‐oxidizing archaea, resulting in less N
2
O produced by nitrification, thus reducing N
2
O emission. Cumulative CH
4
flux and the
mcr
A gene copy numbers showed a significant (
p
< 0.05) negative correlation. The gene copy number in H treatment was lower than M and L, respectively. The highest global warming potential and greenhouse gas intensity were observed in H treatment. Overall, recently reclaimed saline‐alkali paddy field with an initial heavy saline‐alkali level may be a hotspot of farmland CH
4
and NH
3
emissions, highlighting the necessity of optimizing water and fertilizer management for controlling these gas emissions at the initial stage of developing saline‐alkali lands into paddy fields.</description><subject>Agricultural land</subject><subject>Ammonia</subject><subject>Archaea</subject><subject>Carbon dioxide</subject><subject>Climate change</subject><subject>Copy number</subject><subject>Emissions</subject><subject>Emissions control</subject><subject>Farm buildings</subject><subject>Fluxes</subject><subject>Global warming</subject><subject>Greenhouse effect</subject><subject>Greenhouse gases</subject><subject>Hot spots (geology)</subject><subject>Methane</subject><subject>Microbial activity</subject><subject>Microorganisms</subject><subject>Nitrification</subject><subject>Nitrous oxide</subject><subject>Reclamation</subject><subject>Rice fields</subject><subject>Saline soils</subject><subject>Salinization</subject><subject>Species diversity</subject><subject>Species richness</subject><issn>1085-3278</issn><issn>1099-145X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNotkM9KxDAYxIMouK6CjxDw4qVr0jZtepTFf7AgiKK38CX5wmZtm5p0D3vzEXxGn8Qu62mGYZiBHyGXnC04Y_lNa-OilFwckRlnTZPxUnwc770UWZHX8pScpbRhjPG6rGfk_QVNC75DSxO0vsff7x9oPydLB7B2R53H1tIOdlQjBboOYxrCSIOjHY5r6KewtxS6LvQeKHY-JR_6dE5OHLQJL_51Tt7u716Xj9nq-eFpebvKTC7EmFlsisrUopKGO2RYlIUTVmjtdKNdbh1om5uyxkrmgkkGlUZAMI3TtREaizm5OuwOMXxtMY1qE7axny5VLmvBZVXKYmpdH1omhpQiOjVE30HcKc7UHpuasKk9tuIPlKlivA</recordid><startdate>202310</startdate><enddate>202310</enddate><creator>Wang, Xinyi</creator><creator>Lyu, Jiao</creator><creator>Zhu, Hui</creator><creator>Shutes, Brian</creator><creator>Xu, Yingying</creator><creator>Zhang, Fuman</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-0312-1281</orcidid></search><sort><creationdate>202310</creationdate><title>Reclaimed saline‐alkali paddy field may be a hotspot of methane and ammonia emissions</title><author>Wang, Xinyi ; Lyu, Jiao ; Zhu, Hui ; Shutes, Brian ; Xu, Yingying ; Zhang, Fuman</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c255t-de936c7568c1fe0e343f5d5bbfb9bf2dfabd2c47e6825080a6beaeac9fb7c5be3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Agricultural land</topic><topic>Ammonia</topic><topic>Archaea</topic><topic>Carbon dioxide</topic><topic>Climate change</topic><topic>Copy number</topic><topic>Emissions</topic><topic>Emissions control</topic><topic>Farm buildings</topic><topic>Fluxes</topic><topic>Global warming</topic><topic>Greenhouse effect</topic><topic>Greenhouse gases</topic><topic>Hot spots (geology)</topic><topic>Methane</topic><topic>Microbial activity</topic><topic>Microorganisms</topic><topic>Nitrification</topic><topic>Nitrous oxide</topic><topic>Reclamation</topic><topic>Rice fields</topic><topic>Saline soils</topic><topic>Salinization</topic><topic>Species diversity</topic><topic>Species richness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Xinyi</creatorcontrib><creatorcontrib>Lyu, Jiao</creatorcontrib><creatorcontrib>Zhu, Hui</creatorcontrib><creatorcontrib>Shutes, Brian</creatorcontrib><creatorcontrib>Xu, Yingying</creatorcontrib><creatorcontrib>Zhang, Fuman</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Land degradation & development</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Xinyi</au><au>Lyu, Jiao</au><au>Zhu, Hui</au><au>Shutes, Brian</au><au>Xu, Yingying</au><au>Zhang, Fuman</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reclaimed saline‐alkali paddy field may be a hotspot of methane and ammonia emissions</atitle><jtitle>Land degradation & development</jtitle><date>2023-10</date><risdate>2023</risdate><volume>34</volume><issue>16</issue><spage>4869</spage><epage>4881</epage><pages>4869-4881</pages><issn>1085-3278</issn><eissn>1099-145X</eissn><abstract>Salinization and alkalization are global environmental issues, and a growing area of saline‐alkali land has been developed as paddy fields. However, the information on the characteristics and driving mechanisms of greenhouse gas (i.e., methane (CH
4
), carbon dioxide (CO
2
) and nitrous oxide (N
2
O)) and ammonia (NH
3
) emissions from paddy fields with different saline‐alkali levels is limited. We conducted a 137‐day mesocosm experiment to investigate these issues using light (L), moderate (M), and heavy (H) saline‐alkali soils with a history of reclamation of 20, 4 and 2 years, respectively. The results demonstrated that both the cumulative CH
4
and NH
3
fluxes in H treatment were significantly (
p
< 0.05) higher than L. While, the increasing saline‐alkali levels reduced the cumulative CO
2
and N
2
O fluxes, respectively. With the increasing saline‐alkali levels, the species richness and diversity of microbial communities decreased. High saline‐alkali level inhibited the growth of ammonia‐oxidizing archaea, resulting in less N
2
O produced by nitrification, thus reducing N
2
O emission. Cumulative CH
4
flux and the
mcr
A gene copy numbers showed a significant (
p
< 0.05) negative correlation. The gene copy number in H treatment was lower than M and L, respectively. The highest global warming potential and greenhouse gas intensity were observed in H treatment. Overall, recently reclaimed saline‐alkali paddy field with an initial heavy saline‐alkali level may be a hotspot of farmland CH
4
and NH
3
emissions, highlighting the necessity of optimizing water and fertilizer management for controlling these gas emissions at the initial stage of developing saline‐alkali lands into paddy fields.</abstract><cop>Chichester</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/ldr.4815</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0003-0312-1281</orcidid></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Agricultural land Ammonia Archaea Carbon dioxide Climate change Copy number Emissions Emissions control Farm buildings Fluxes Global warming Greenhouse effect Greenhouse gases Hot spots (geology) Methane Microbial activity Microorganisms Nitrification Nitrous oxide Reclamation Rice fields Saline soils Salinization Species diversity Species richness |
| title | Reclaimed saline‐alkali paddy field may be a hotspot of methane and ammonia emissions |
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