Effects of LDPE and PBAT plastics on soil organic carbon and carbon-enzymes: A mesocosm experiment under field conditions
Although the effects of plastic residues on soil organic carbon (SOC) have been studied, variations in SOC and soil carbon-enzyme activities at different plant growth stages have been largely overlooked. There remains a knowledge gap on how various varieties of plastics affect SOC and carbon-enzyme...
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| Veröffentlicht in: | Environmental pollution (1987) 2024-12, Vol.362, p.124965, Article 124965 |
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| container_title | Environmental pollution (1987) |
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| creator | Jia, Xinkai Yao, Yu Tan, Gaowei Xue, Sha Liu, Mengjuan Tang, Darrell W.S. Geissen, Violette Yang, Xiaomei |
| description | Although the effects of plastic residues on soil organic carbon (SOC) have been studied, variations in SOC and soil carbon-enzyme activities at different plant growth stages have been largely overlooked. There remains a knowledge gap on how various varieties of plastics affect SOC and carbon-enzyme activity dynamics during the different growing stages of plants. In this study, we conducted a mesocosm experiment under field conditions using low-density polyethylene and poly (butylene adipate-co-terephthalate) debris (LDPE-D and PBAT-D, 500–2000 μm (pieces), 0%, 0.05%, 0.1%, 0.2%, 0.5%, 1%, 2%), and low-density polyethylene microplastics (LDPE-M, 500–1000 μm (powder), 0%, 0.05%, 0.1%, 0.5%) to investigate SOC and C-enzyme activities (β-xylosidase, cellobiohydrolase, β-glucosidase) at the sowing, seedling, flowering and harvesting stages of soybean (Glycine Max). The results showed that SOC in the LDPE-D treatments significantly increased from the flowering to harvesting stage, by 12.69%–13.26% (p |
| doi_str_mv | 10.1016/j.envpol.2024.124965 |
| format | Article |
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[Display omitted]
•Soil organic carbon (SOC) and C-enzymes differed across soybean growth stages.•Effects depend on plastic particle size and biodegradability.•LDPE/PBAT debris positively increased SOC; LDPE microplastics negatively.•LDPE debris altered C-enzyme dynamics, not LDPE microplastics and PBAT debris.</description><identifier>ISSN: 0269-7491</identifier><identifier>ISSN: 1873-6424</identifier><identifier>EISSN: 1873-6424</identifier><identifier>DOI: 10.1016/j.envpol.2024.124965</identifier><identifier>PMID: 39284406</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Biodegradable plastic ; C-enzyme activities ; Carbon ; Glycine max - drug effects ; Glycine max - growth & development ; Microplastics ; Microplastics - toxicity ; Phthalic Acids ; Plastic mulch film ; Plastics ; Polyesters ; Polyethylene ; Soil - chemistry ; Soil organic carbon ; Soil Pollutants</subject><ispartof>Environmental pollution (1987), 2024-12, Vol.362, p.124965, Article 124965</ispartof><rights>2024 The Authors</rights><rights>Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c287t-c25688f84660394c49db70e50fcd2645ba161e65b00e1c2734e5194a4106c2053</cites><orcidid>0000-0002-5199-7889 ; 0000-0002-4743-3976 ; 0009-0002-3689-6622</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0269749124016804$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39284406$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jia, Xinkai</creatorcontrib><creatorcontrib>Yao, Yu</creatorcontrib><creatorcontrib>Tan, Gaowei</creatorcontrib><creatorcontrib>Xue, Sha</creatorcontrib><creatorcontrib>Liu, Mengjuan</creatorcontrib><creatorcontrib>Tang, Darrell W.S.</creatorcontrib><creatorcontrib>Geissen, Violette</creatorcontrib><creatorcontrib>Yang, Xiaomei</creatorcontrib><title>Effects of LDPE and PBAT plastics on soil organic carbon and carbon-enzymes: A mesocosm experiment under field conditions</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>Although the effects of plastic residues on soil organic carbon (SOC) have been studied, variations in SOC and soil carbon-enzyme activities at different plant growth stages have been largely overlooked. There remains a knowledge gap on how various varieties of plastics affect SOC and carbon-enzyme activity dynamics during the different growing stages of plants. In this study, we conducted a mesocosm experiment under field conditions using low-density polyethylene and poly (butylene adipate-co-terephthalate) debris (LDPE-D and PBAT-D, 500–2000 μm (pieces), 0%, 0.05%, 0.1%, 0.2%, 0.5%, 1%, 2%), and low-density polyethylene microplastics (LDPE-M, 500–1000 μm (powder), 0%, 0.05%, 0.1%, 0.5%) to investigate SOC and C-enzyme activities (β-xylosidase, cellobiohydrolase, β-glucosidase) at the sowing, seedling, flowering and harvesting stages of soybean (Glycine Max). The results showed that SOC in the LDPE-D treatments significantly increased from the flowering to harvesting stage, by 12.69%–13.26% (p < 0.05), but significantly decreased in the 0.05% and 0.1% LDPE-M treatments from the sowing to seedling stage (p < 0.05). However, PBAT-D had no significant effect on SOC during the whole growing period. For C-enzyme activities, only LDPE-D treatments inhibited GH (17.22–38.56%), BG (46.7–66.53%) and CBH (13.19–23.16%), compared to treatment without plastic addition, from the flowering stage to harvesting stage. Meanwhile, C-enzyme activities and SOC responded nonmonotonically to plastic abundance and the impacts significantly varied among the growing stages, especially in treatments with PBAT-D (p < 0.05). These risks to soil organic carbon cycling are likely mediated by the effects of plastic contamination and degradation soil microbe. These effects are sensitive to plastic characteristics such as type, size, and shape, which, in turn, affect the biogeochemical and mechanical interactions involving plastic particles. Therefore, further research on the interactions between plastic degradation processes and the soil microbial community may provide better mechanistic understanding the effect of plastic contamination on soil organic carbon cycling.
[Display omitted]
•Soil organic carbon (SOC) and C-enzymes differed across soybean growth stages.•Effects depend on plastic particle size and biodegradability.•LDPE/PBAT debris positively increased SOC; LDPE microplastics negatively.•LDPE debris altered C-enzyme dynamics, not LDPE microplastics and PBAT debris.</description><subject>Biodegradable plastic</subject><subject>C-enzyme activities</subject><subject>Carbon</subject><subject>Glycine max - drug effects</subject><subject>Glycine max - growth & development</subject><subject>Microplastics</subject><subject>Microplastics - toxicity</subject><subject>Phthalic Acids</subject><subject>Plastic mulch film</subject><subject>Plastics</subject><subject>Polyesters</subject><subject>Polyethylene</subject><subject>Soil - chemistry</subject><subject>Soil organic carbon</subject><subject>Soil Pollutants</subject><issn>0269-7491</issn><issn>1873-6424</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1r3DAQhkVJabZp_0EoOubirT7Gst1DYJNuP2ChOaRnIcvjoMWWXMkbsv310eI0x140QnreGeYh5JKzNWdcfd6v0T9OYVgLJmDNBTSqfENWvK5koUDAGVkxoZqigoafk_cp7RljIKV8R85lI2oAplbkuO17tHOioae7r3dbanxH724293QaTJqdzT-epuAGGuKD8c5Sa2Kb307gci3Q_z2OmL7QDc0l2JBGik8TRjein-nBdxhp73DIieA7N7vg0wfytjdDwo8v9YL8_ra9v_1R7H59_3m72RVW1NWcz1LVdV-DUkw2YKHp2ophyXrbCQVla7jiqMqWMeRWVBKw5A0Y4ExZwUp5Qa6WvlMMfw6YZj26ZHEYjMdwSFpmkEEpGplRWFAbQ0oRez3lFUw8as70Sbre60W6PknXi_Qc-_Qy4dCO2L2G_lnOwPUCYN7z0WHUyTr0FjsXs3zdBff_Cc_tRJQq</recordid><startdate>20241201</startdate><enddate>20241201</enddate><creator>Jia, Xinkai</creator><creator>Yao, Yu</creator><creator>Tan, Gaowei</creator><creator>Xue, Sha</creator><creator>Liu, Mengjuan</creator><creator>Tang, Darrell W.S.</creator><creator>Geissen, Violette</creator><creator>Yang, Xiaomei</creator><general>Elsevier Ltd</general><scope>6I.</scope><scope>AAFTH</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-5199-7889</orcidid><orcidid>https://orcid.org/0000-0002-4743-3976</orcidid><orcidid>https://orcid.org/0009-0002-3689-6622</orcidid></search><sort><creationdate>20241201</creationdate><title>Effects of LDPE and PBAT plastics on soil organic carbon and carbon-enzymes: A mesocosm experiment under field conditions</title><author>Jia, Xinkai ; Yao, Yu ; Tan, Gaowei ; Xue, Sha ; Liu, Mengjuan ; Tang, Darrell W.S. ; Geissen, Violette ; Yang, Xiaomei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c287t-c25688f84660394c49db70e50fcd2645ba161e65b00e1c2734e5194a4106c2053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Biodegradable plastic</topic><topic>C-enzyme activities</topic><topic>Carbon</topic><topic>Glycine max - drug effects</topic><topic>Glycine max - growth & development</topic><topic>Microplastics</topic><topic>Microplastics - toxicity</topic><topic>Phthalic Acids</topic><topic>Plastic mulch film</topic><topic>Plastics</topic><topic>Polyesters</topic><topic>Polyethylene</topic><topic>Soil - chemistry</topic><topic>Soil organic carbon</topic><topic>Soil Pollutants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jia, Xinkai</creatorcontrib><creatorcontrib>Yao, Yu</creatorcontrib><creatorcontrib>Tan, Gaowei</creatorcontrib><creatorcontrib>Xue, Sha</creatorcontrib><creatorcontrib>Liu, Mengjuan</creatorcontrib><creatorcontrib>Tang, Darrell W.S.</creatorcontrib><creatorcontrib>Geissen, Violette</creatorcontrib><creatorcontrib>Yang, Xiaomei</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jia, Xinkai</au><au>Yao, Yu</au><au>Tan, Gaowei</au><au>Xue, Sha</au><au>Liu, Mengjuan</au><au>Tang, Darrell W.S.</au><au>Geissen, Violette</au><au>Yang, Xiaomei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of LDPE and PBAT plastics on soil organic carbon and carbon-enzymes: A mesocosm experiment under field conditions</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2024-12-01</date><risdate>2024</risdate><volume>362</volume><spage>124965</spage><pages>124965-</pages><artnum>124965</artnum><issn>0269-7491</issn><issn>1873-6424</issn><eissn>1873-6424</eissn><abstract>Although the effects of plastic residues on soil organic carbon (SOC) have been studied, variations in SOC and soil carbon-enzyme activities at different plant growth stages have been largely overlooked. There remains a knowledge gap on how various varieties of plastics affect SOC and carbon-enzyme activity dynamics during the different growing stages of plants. In this study, we conducted a mesocosm experiment under field conditions using low-density polyethylene and poly (butylene adipate-co-terephthalate) debris (LDPE-D and PBAT-D, 500–2000 μm (pieces), 0%, 0.05%, 0.1%, 0.2%, 0.5%, 1%, 2%), and low-density polyethylene microplastics (LDPE-M, 500–1000 μm (powder), 0%, 0.05%, 0.1%, 0.5%) to investigate SOC and C-enzyme activities (β-xylosidase, cellobiohydrolase, β-glucosidase) at the sowing, seedling, flowering and harvesting stages of soybean (Glycine Max). The results showed that SOC in the LDPE-D treatments significantly increased from the flowering to harvesting stage, by 12.69%–13.26% (p < 0.05), but significantly decreased in the 0.05% and 0.1% LDPE-M treatments from the sowing to seedling stage (p < 0.05). However, PBAT-D had no significant effect on SOC during the whole growing period. For C-enzyme activities, only LDPE-D treatments inhibited GH (17.22–38.56%), BG (46.7–66.53%) and CBH (13.19–23.16%), compared to treatment without plastic addition, from the flowering stage to harvesting stage. Meanwhile, C-enzyme activities and SOC responded nonmonotonically to plastic abundance and the impacts significantly varied among the growing stages, especially in treatments with PBAT-D (p < 0.05). These risks to soil organic carbon cycling are likely mediated by the effects of plastic contamination and degradation soil microbe. These effects are sensitive to plastic characteristics such as type, size, and shape, which, in turn, affect the biogeochemical and mechanical interactions involving plastic particles. Therefore, further research on the interactions between plastic degradation processes and the soil microbial community may provide better mechanistic understanding the effect of plastic contamination on soil organic carbon cycling.
[Display omitted]
•Soil organic carbon (SOC) and C-enzymes differed across soybean growth stages.•Effects depend on plastic particle size and biodegradability.•LDPE/PBAT debris positively increased SOC; LDPE microplastics negatively.•LDPE debris altered C-enzyme dynamics, not LDPE microplastics and PBAT debris.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>39284406</pmid><doi>10.1016/j.envpol.2024.124965</doi><orcidid>https://orcid.org/0000-0002-5199-7889</orcidid><orcidid>https://orcid.org/0000-0002-4743-3976</orcidid><orcidid>https://orcid.org/0009-0002-3689-6622</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Environmental pollution (1987), 2024-12, Vol.362, p.124965, Article 124965 |
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| subjects | Biodegradable plastic C-enzyme activities Carbon Glycine max - drug effects Glycine max - growth & development Microplastics Microplastics - toxicity Phthalic Acids Plastic mulch film Plastics Polyesters Polyethylene Soil - chemistry Soil organic carbon Soil Pollutants |
| title | Effects of LDPE and PBAT plastics on soil organic carbon and carbon-enzymes: A mesocosm experiment under field conditions |
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