Enantiomer signature and carbon isotope evidence for the migration and transformation of DDTs in arable soils across China
Due to the adverse impact of DDTs on ecosystems and humans, a full fate assessment deems a comprehensive study on their occurrence in soils over a large region. Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope co...
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| Veröffentlicht in: | Scientific reports 2016-12, Vol.6 (1), p.38475, Article 38475 |
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| description | Due to the adverse impact of DDTs on ecosystems and humans, a full fate assessment deems a comprehensive study on their occurrence in soils over a large region. Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope composition of DDT and its metabolites, and the microbial community in related arable soils. The geographically total DDT concentrations are higher in eastern than western China. The EFs and δ
13
C of
o,p’
-DDT in soils from western China show smaller deviations from those of racemic/standard compound, indicating the DDT residues there mainly result from atmospheric transport. However, the sources of DDT in eastern China are mainly from historic application of technical DDTs and dicofol. The inverse dependence of
o,p’
-DDT and
p,p’
-DDE on temperature evidences the transformation of parent DDT to its metabolites. Initial usage, abiotic parameters and microbial communities are found to be the main factors influencing the migration and transformation of DDT isomers and their metabolites in soils. In addition, a prediction equation of DDT concentrations in soils based on stepwise multiple regression analysis is developed. Results from this study offer insights into the migration and transformation pathways of DDTs in Chinese arable soils, which will allow data-based risk assessment on their use. |
| doi_str_mv | 10.1038/srep38475 |
| format | Article |
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13
C of
o,p’
-DDT in soils from western China show smaller deviations from those of racemic/standard compound, indicating the DDT residues there mainly result from atmospheric transport. However, the sources of DDT in eastern China are mainly from historic application of technical DDTs and dicofol. The inverse dependence of
o,p’
-DDT and
p,p’
-DDE on temperature evidences the transformation of parent DDT to its metabolites. Initial usage, abiotic parameters and microbial communities are found to be the main factors influencing the migration and transformation of DDT isomers and their metabolites in soils. In addition, a prediction equation of DDT concentrations in soils based on stepwise multiple regression analysis is developed. Results from this study offer insights into the migration and transformation pathways of DDTs in Chinese arable soils, which will allow data-based risk assessment on their use.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/srep38475</identifier><identifier>PMID: 27922096</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>704/172/169/209 ; 704/172/169/895 ; Carbon isotopes ; Data processing ; DDE ; DDT ; Humanities and Social Sciences ; Isomers ; Isotopes ; Metabolites ; Microbial activity ; Migration ; multidisciplinary ; Multiple regression analysis ; Nitrous oxide ; Pesticides ; Risk assessment ; Science ; Soils ; Temperature effects</subject><ispartof>Scientific reports, 2016-12, Vol.6 (1), p.38475, Article 38475</ispartof><rights>The Author(s) 2016</rights><rights>Copyright Nature Publishing Group Dec 2016</rights><rights>Copyright © 2016, The Author(s) 2016 The Author(s)</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-cca4511ae2340330e07e121b0ca77f2402002c724b01ca2e5df7de444f78e97b3</citedby><cites>FETCH-LOGICAL-c438t-cca4511ae2340330e07e121b0ca77f2402002c724b01ca2e5df7de444f78e97b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5138824/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5138824/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,41120,42189,51576,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27922096$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Niu, Lili</creatorcontrib><creatorcontrib>Xu, Chao</creatorcontrib><creatorcontrib>Zhu, Siyu</creatorcontrib><creatorcontrib>Bao, Huiming</creatorcontrib><creatorcontrib>Xu, Yang</creatorcontrib><creatorcontrib>Li, Hongyi</creatorcontrib><creatorcontrib>Zhang, Zhijian</creatorcontrib><creatorcontrib>Zhang, Xichang</creatorcontrib><creatorcontrib>Qiu, Jiguo</creatorcontrib><creatorcontrib>Liu, Weiping</creatorcontrib><title>Enantiomer signature and carbon isotope evidence for the migration and transformation of DDTs in arable soils across China</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>Due to the adverse impact of DDTs on ecosystems and humans, a full fate assessment deems a comprehensive study on their occurrence in soils over a large region. Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope composition of DDT and its metabolites, and the microbial community in related arable soils. The geographically total DDT concentrations are higher in eastern than western China. The EFs and δ
13
C of
o,p’
-DDT in soils from western China show smaller deviations from those of racemic/standard compound, indicating the DDT residues there mainly result from atmospheric transport. However, the sources of DDT in eastern China are mainly from historic application of technical DDTs and dicofol. The inverse dependence of
o,p’
-DDT and
p,p’
-DDE on temperature evidences the transformation of parent DDT to its metabolites. Initial usage, abiotic parameters and microbial communities are found to be the main factors influencing the migration and transformation of DDT isomers and their metabolites in soils. In addition, a prediction equation of DDT concentrations in soils based on stepwise multiple regression analysis is developed. Results from this study offer insights into the migration and transformation pathways of DDTs in Chinese arable soils, which will allow data-based risk assessment on their use.</description><subject>704/172/169/209</subject><subject>704/172/169/895</subject><subject>Carbon isotopes</subject><subject>Data processing</subject><subject>DDE</subject><subject>DDT</subject><subject>Humanities and Social Sciences</subject><subject>Isomers</subject><subject>Isotopes</subject><subject>Metabolites</subject><subject>Microbial activity</subject><subject>Migration</subject><subject>multidisciplinary</subject><subject>Multiple regression analysis</subject><subject>Nitrous oxide</subject><subject>Pesticides</subject><subject>Risk assessment</subject><subject>Science</subject><subject>Soils</subject><subject>Temperature effects</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNplkV9LNCEYxSWKiuqiLxDCe1WwpY9OjjdBbH8h6KauxXGe2TV2dF-dDerTZ20tG3mjeH6e58gh5JCzU85EfZYTzkUtVbVBdoHJagQCYHPtvEMOcn5hZVWgJdfbZAeUBmD6fJe8XwcbBh97TDT7SbDDIiG1oaXOpiYG6nMc4hwpvvoWg0PaxUSHKdLeT5ItL8MXPSQbcpH65VXs6NXVU6a-qMk2M6Q5-lmm1qWYMx1PfbD7ZKuzs4wH3_seeb65fhrfjR4eb-_Hlw8jJ0U9jJyzsuLcIgjJhGDIFHLgDXNWqQ4kA8bAKZAN484CVm2nWpRSdqpGrRqxRy6WvvNF02PrMJSwMzNPvrfpzUTrzW8l-KmZxFdTcVHXIIvBv2-DFP8vMA_mJS5SKJkNr7UW5xqkLtTxkvr6YsJuNYEz89mUWTVV2KP1SCvyp5cCnCyBXKQwwbQ28o_bBwQUn1Y</recordid><startdate>20161206</startdate><enddate>20161206</enddate><creator>Niu, Lili</creator><creator>Xu, Chao</creator><creator>Zhu, Siyu</creator><creator>Bao, Huiming</creator><creator>Xu, Yang</creator><creator>Li, Hongyi</creator><creator>Zhang, Zhijian</creator><creator>Zhang, Xichang</creator><creator>Qiu, Jiguo</creator><creator>Liu, Weiping</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>5PM</scope></search><sort><creationdate>20161206</creationdate><title>Enantiomer signature and carbon isotope evidence for the migration and transformation of DDTs in arable soils across China</title><author>Niu, Lili ; 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Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope composition of DDT and its metabolites, and the microbial community in related arable soils. The geographically total DDT concentrations are higher in eastern than western China. The EFs and δ
13
C of
o,p’
-DDT in soils from western China show smaller deviations from those of racemic/standard compound, indicating the DDT residues there mainly result from atmospheric transport. However, the sources of DDT in eastern China are mainly from historic application of technical DDTs and dicofol. The inverse dependence of
o,p’
-DDT and
p,p’
-DDE on temperature evidences the transformation of parent DDT to its metabolites. Initial usage, abiotic parameters and microbial communities are found to be the main factors influencing the migration and transformation of DDT isomers and their metabolites in soils. In addition, a prediction equation of DDT concentrations in soils based on stepwise multiple regression analysis is developed. Results from this study offer insights into the migration and transformation pathways of DDTs in Chinese arable soils, which will allow data-based risk assessment on their use.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>27922096</pmid><doi>10.1038/srep38475</doi><oa>free_for_read</oa></addata></record> |
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| subjects | 704/172/169/209 704/172/169/895 Carbon isotopes Data processing DDE DDT Humanities and Social Sciences Isomers Isotopes Metabolites Microbial activity Migration multidisciplinary Multiple regression analysis Nitrous oxide Pesticides Risk assessment Science Soils Temperature effects |
| title | Enantiomer signature and carbon isotope evidence for the migration and transformation of DDTs in arable soils across China |
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