SEDIMENT-ASSOCIATED PESTICIDES IN AN URBAN STREAM IN GUANGZHOU, CHINA: IMPLICATION OF A SHIFT IN PESTICIDE USE PATTERNS
Pesticide use patterns in China have changed in recent years; however, the study of the environmental fate of current‐use pesticides (CUPs) and their ecotoxicological significance in aquatic ecosystems is limited. In the present study, sediments were collected from an urban stream in the Chinese cit...
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| Veröffentlicht in: | Environmental toxicology and chemistry 2013-05, Vol.32 (5), p.1040-1047 |
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| creator | Li, Huizhen Sun, Baoquan Lydy, Michael J. You, Jing |
| description | Pesticide use patterns in China have changed in recent years; however, the study of the environmental fate of current‐use pesticides (CUPs) and their ecotoxicological significance in aquatic ecosystems is limited. In the present study, sediments were collected from an urban stream in the Chinese city of Guangzhou. Sediment‐associated legacy organochlorine pesticides and CUPs—including organophosphates, pyrethroids, fipronil, and abamectin—were analyzed. Additionally, the relative toxicity of the sediments was evaluated with 10‐d bioassays using Chironomus dilutus. Fifteen of 16 sediments collected from the stream were acutely toxic to C. dilutus, with 81% of the samples causing 100% mortality. Abamectin, fipronil, and pyrethroids (mainly cypermethrin) were identified as the principal contributors to the noted toxicity in the midges, with median predicted toxic units of 1.63, 1.63, and 1.03, respectively. Sediments taken from downstream sites, where residential and industrial regions were located, had elevated CUP concentrations and sediment toxicity compared with upstream sites. The present study is the first of its kind to link sediment CUPs, fipronil, and abamectin concentrations with toxicity in urban streams in China with a focus on shifting pesticide usage patterns. Environ. Toxicol. Chem. 2013;32:1040–1047. © 2013 SETAC |
| doi_str_mv | 10.1002/etc.2147 |
| format | Article |
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In the present study, sediments were collected from an urban stream in the Chinese city of Guangzhou. Sediment‐associated legacy organochlorine pesticides and CUPs—including organophosphates, pyrethroids, fipronil, and abamectin—were analyzed. Additionally, the relative toxicity of the sediments was evaluated with 10‐d bioassays using Chironomus dilutus. Fifteen of 16 sediments collected from the stream were acutely toxic to C. dilutus, with 81% of the samples causing 100% mortality. Abamectin, fipronil, and pyrethroids (mainly cypermethrin) were identified as the principal contributors to the noted toxicity in the midges, with median predicted toxic units of 1.63, 1.63, and 1.03, respectively. Sediments taken from downstream sites, where residential and industrial regions were located, had elevated CUP concentrations and sediment toxicity compared with upstream sites. The present study is the first of its kind to link sediment CUPs, fipronil, and abamectin concentrations with toxicity in urban streams in China with a focus on shifting pesticide usage patterns. Environ. Toxicol. Chem. 2013;32:1040–1047. © 2013 SETAC</description><identifier>ISSN: 0730-7268</identifier><identifier>EISSN: 1552-8618</identifier><identifier>DOI: 10.1002/etc.2147</identifier><identifier>PMID: 23377859</identifier><identifier>CODEN: ETOCDK</identifier><language>eng</language><publisher>Pensacola, FL: Blackwell Publishing Ltd</publisher><subject>Abamectin ; Acute toxicity ; Agriculture - statistics & numerical data ; Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Applied ecology ; Aquatic ecosystems ; Bioassays ; Biological and medical sciences ; China ; Cities ; Creeks & streams ; Cypermethrin ; Ecotoxicology ; Ecotoxicology, biological effects of pollution ; Environmental Monitoring ; Environmental Policy ; Environmental studies ; Fipronil ; Fresh water ecosystems ; Fundamental and applied biological sciences. Psychology ; Fungicides ; General aspects ; Geologic Sediments - chemistry ; Industrial areas ; Insecticides ; Organic compounds ; Organochlorine pesticides ; Organophosphates ; Pesticides ; Pesticides - analysis ; Pyrethroids ; Rivers - chemistry ; Sediment toxicity ; Sediments ; Synecology ; Toxicity ; Urban areas ; Urban stream ; Water Pollutants, Chemical - analysis ; Water Pollution, Chemical - statistics & numerical data</subject><ispartof>Environmental toxicology and chemistry, 2013-05, Vol.32 (5), p.1040-1047</ispartof><rights>Copyright © 2013 SETAC</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 SETAC.</rights><rights>Copyright Blackwell Publishing Ltd. 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Toxicol. Chem</addtitle><description>Pesticide use patterns in China have changed in recent years; however, the study of the environmental fate of current‐use pesticides (CUPs) and their ecotoxicological significance in aquatic ecosystems is limited. In the present study, sediments were collected from an urban stream in the Chinese city of Guangzhou. Sediment‐associated legacy organochlorine pesticides and CUPs—including organophosphates, pyrethroids, fipronil, and abamectin—were analyzed. Additionally, the relative toxicity of the sediments was evaluated with 10‐d bioassays using Chironomus dilutus. Fifteen of 16 sediments collected from the stream were acutely toxic to C. dilutus, with 81% of the samples causing 100% mortality. Abamectin, fipronil, and pyrethroids (mainly cypermethrin) were identified as the principal contributors to the noted toxicity in the midges, with median predicted toxic units of 1.63, 1.63, and 1.03, respectively. Sediments taken from downstream sites, where residential and industrial regions were located, had elevated CUP concentrations and sediment toxicity compared with upstream sites. The present study is the first of its kind to link sediment CUPs, fipronil, and abamectin concentrations with toxicity in urban streams in China with a focus on shifting pesticide usage patterns. Environ. Toxicol. Chem. 2013;32:1040–1047. © 2013 SETAC</description><subject>Abamectin</subject><subject>Acute toxicity</subject><subject>Agriculture - statistics & numerical data</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Aquatic ecosystems</subject><subject>Bioassays</subject><subject>Biological and medical sciences</subject><subject>China</subject><subject>Cities</subject><subject>Creeks & streams</subject><subject>Cypermethrin</subject><subject>Ecotoxicology</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Environmental Monitoring</subject><subject>Environmental Policy</subject><subject>Environmental studies</subject><subject>Fipronil</subject><subject>Fresh water ecosystems</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungicides</subject><subject>General aspects</subject><subject>Geologic Sediments - chemistry</subject><subject>Industrial areas</subject><subject>Insecticides</subject><subject>Organic compounds</subject><subject>Organochlorine pesticides</subject><subject>Organophosphates</subject><subject>Pesticides</subject><subject>Pesticides - analysis</subject><subject>Pyrethroids</subject><subject>Rivers - chemistry</subject><subject>Sediment toxicity</subject><subject>Sediments</subject><subject>Synecology</subject><subject>Toxicity</subject><subject>Urban areas</subject><subject>Urban stream</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Water Pollution, Chemical - statistics & numerical data</subject><issn>0730-7268</issn><issn>1552-8618</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp10V1r2zAUBmAxNtasG-wXDMEY7GLu9GHrY3ee4yQaiR1imUJvhOrI4M5JOiuh67-fTb0UBruRQDy8R5wXgPcYXWGEyFd3rK4IDvkLMMFRRALBsHgJJohTFHDCxAV44_0dQphJKV-DC0Ip5yKSE_BQpFO1SjMdxEWRJyrW6RSu00KrRE3TAqoMxhksN9_7s9CbNF4NT_MyzuY3i7z8ApOFyuJvUK3WS5XEWuUZzGcwhsVCzfRgz2GwLFK4jrVON1nxFryqbevdu_G-BOUs1ckiWObzPmcZ2DBEPMCYSyG4pJxGtCaWM8dojZCNauy2tQtRJSNreSjI7VZQxki0JaGsGXeMkxrRS_D5Kfe-O_w6OX80u8ZXrm3t3h1O3mBKBCEcY9bTj__Qu8Op2_e_6xUNJRFMRs-BVXfwvnO1ue-ane0eDUZmKMP0ZZihjJ5-GANPtzu3PcO_2-_BpxFYX9m27uy-avyz41RyLgcXPLmHpnWP_x1oejMOHn3jj-732dvup2Gc8shcZ3MjfswKLq9vjKZ_AFRiohY</recordid><startdate>201305</startdate><enddate>201305</enddate><creator>Li, Huizhen</creator><creator>Sun, Baoquan</creator><creator>Lydy, Michael J.</creator><creator>You, Jing</creator><general>Blackwell Publishing Ltd</general><general>SETAC</general><scope>BSCLL</scope><scope>IQODW</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>7QO</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7T7</scope><scope>7TK</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>201305</creationdate><title>SEDIMENT-ASSOCIATED PESTICIDES IN AN URBAN STREAM IN GUANGZHOU, CHINA: IMPLICATION OF A SHIFT IN PESTICIDE USE PATTERNS</title><author>Li, Huizhen ; Sun, Baoquan ; Lydy, Michael J. ; You, Jing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4407-1179887937353f2a76e63f00a5f1edfe40c95aa7482bd836625d249f67e672f03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Abamectin</topic><topic>Acute toxicity</topic><topic>Agriculture - statistics & numerical data</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Applied ecology</topic><topic>Aquatic ecosystems</topic><topic>Bioassays</topic><topic>Biological and medical sciences</topic><topic>China</topic><topic>Cities</topic><topic>Creeks & streams</topic><topic>Cypermethrin</topic><topic>Ecotoxicology</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Environmental Monitoring</topic><topic>Environmental Policy</topic><topic>Environmental studies</topic><topic>Fipronil</topic><topic>Fresh water ecosystems</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungicides</topic><topic>General aspects</topic><topic>Geologic Sediments - chemistry</topic><topic>Industrial areas</topic><topic>Insecticides</topic><topic>Organic compounds</topic><topic>Organochlorine pesticides</topic><topic>Organophosphates</topic><topic>Pesticides</topic><topic>Pesticides - analysis</topic><topic>Pyrethroids</topic><topic>Rivers - chemistry</topic><topic>Sediment toxicity</topic><topic>Sediments</topic><topic>Synecology</topic><topic>Toxicity</topic><topic>Urban areas</topic><topic>Urban stream</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Water Pollution, Chemical - statistics & numerical data</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Huizhen</creatorcontrib><creatorcontrib>Sun, Baoquan</creatorcontrib><creatorcontrib>Lydy, Michael J.</creatorcontrib><creatorcontrib>You, Jing</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Neurosciences Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental toxicology and chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Huizhen</au><au>Sun, Baoquan</au><au>Lydy, Michael J.</au><au>You, Jing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SEDIMENT-ASSOCIATED PESTICIDES IN AN URBAN STREAM IN GUANGZHOU, CHINA: IMPLICATION OF A SHIFT IN PESTICIDE USE PATTERNS</atitle><jtitle>Environmental toxicology and chemistry</jtitle><addtitle>Environ. Toxicol. Chem</addtitle><date>2013-05</date><risdate>2013</risdate><volume>32</volume><issue>5</issue><spage>1040</spage><epage>1047</epage><pages>1040-1047</pages><issn>0730-7268</issn><eissn>1552-8618</eissn><coden>ETOCDK</coden><abstract>Pesticide use patterns in China have changed in recent years; however, the study of the environmental fate of current‐use pesticides (CUPs) and their ecotoxicological significance in aquatic ecosystems is limited. In the present study, sediments were collected from an urban stream in the Chinese city of Guangzhou. Sediment‐associated legacy organochlorine pesticides and CUPs—including organophosphates, pyrethroids, fipronil, and abamectin—were analyzed. Additionally, the relative toxicity of the sediments was evaluated with 10‐d bioassays using Chironomus dilutus. Fifteen of 16 sediments collected from the stream were acutely toxic to C. dilutus, with 81% of the samples causing 100% mortality. Abamectin, fipronil, and pyrethroids (mainly cypermethrin) were identified as the principal contributors to the noted toxicity in the midges, with median predicted toxic units of 1.63, 1.63, and 1.03, respectively. Sediments taken from downstream sites, where residential and industrial regions were located, had elevated CUP concentrations and sediment toxicity compared with upstream sites. The present study is the first of its kind to link sediment CUPs, fipronil, and abamectin concentrations with toxicity in urban streams in China with a focus on shifting pesticide usage patterns. Environ. Toxicol. Chem. 2013;32:1040–1047. © 2013 SETAC</abstract><cop>Pensacola, FL</cop><pub>Blackwell Publishing Ltd</pub><pmid>23377859</pmid><doi>10.1002/etc.2147</doi><tpages>8</tpages></addata></record> |
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| subjects | Abamectin Acute toxicity Agriculture - statistics & numerical data Animal and plant ecology Animal, plant and microbial ecology Animals Applied ecology Aquatic ecosystems Bioassays Biological and medical sciences China Cities Creeks & streams Cypermethrin Ecotoxicology Ecotoxicology, biological effects of pollution Environmental Monitoring Environmental Policy Environmental studies Fipronil Fresh water ecosystems Fundamental and applied biological sciences. Psychology Fungicides General aspects Geologic Sediments - chemistry Industrial areas Insecticides Organic compounds Organochlorine pesticides Organophosphates Pesticides Pesticides - analysis Pyrethroids Rivers - chemistry Sediment toxicity Sediments Synecology Toxicity Urban areas Urban stream Water Pollutants, Chemical - analysis Water Pollution, Chemical - statistics & numerical data |
| title | SEDIMENT-ASSOCIATED PESTICIDES IN AN URBAN STREAM IN GUANGZHOU, CHINA: IMPLICATION OF A SHIFT IN PESTICIDE USE PATTERNS |
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