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Pesticides in three rural rivers in Guangzhou, China: spatiotemporal distribution and ecological risk
Frequent and widespread pesticide use is a major concern for both human and environmental health. The aim of this study was to screen for 19 pesticides in rural rivers in Guangzhou, China, evaluating the potential impact of detected pesticides on the local ecosystem. Sampling was performed in rural...
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Published in: | Environmental science and pollution research international 2019-02, Vol.26 (4), p.3569-3577 |
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description | Frequent and widespread pesticide use is a major concern for both human and environmental health. The aim of this study was to screen for 19 pesticides in rural rivers in Guangzhou, China, evaluating the potential impact of detected pesticides on the local ecosystem. Sampling was performed in rural rivers in three environment types: agricultural, industrial, and unpolluted, with sampling of water and sediments in both wet and dry seasons. A total of 11 pesticides were detected overall and their spatiotemporal distribution in water and ecological risk were assessed. Five pesticides were detected at concentrations above 100 ng L
−1
, with the highest concentration pesticides being dimethoate (1318 ng L
−1
) in surface water and quinalphos (328 ng g
−1
dry weight (dw)) in sediments. The most commonly detected pesticides were chlorpyrifos, acetochlor, and butachlor with detection frequencies of 50–57% and 29–43%, in water and sediments, respectively. Samples from the agricultural rural river contained the most pesticides and at higher concentrations, as compared to industrial and unpolluted areas, especially during the wet season. Ecotoxicological risk assessment through Risk Quotients (RQs) showed that chlorpyrifos and fenvalerate pose high ecological risks in water and therefore, reduction of the source input of these pesticides is essential. |
doi_str_mv | 10.1007/s11356-018-3808-y |
format | article |
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−1
, with the highest concentration pesticides being dimethoate (1318 ng L
−1
) in surface water and quinalphos (328 ng g
−1
dry weight (dw)) in sediments. The most commonly detected pesticides were chlorpyrifos, acetochlor, and butachlor with detection frequencies of 50–57% and 29–43%, in water and sediments, respectively. Samples from the agricultural rural river contained the most pesticides and at higher concentrations, as compared to industrial and unpolluted areas, especially during the wet season. Ecotoxicological risk assessment through Risk Quotients (RQs) showed that chlorpyrifos and fenvalerate pose high ecological risks in water and therefore, reduction of the source input of these pesticides is essential.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-018-3808-y</identifier><identifier>PMID: 30523525</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Acetochlor ; Agrochemicals ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Butachlor ; China ; Chlorpyrifos ; Dimethoate ; Dry season ; Earth and Environmental Science ; Ecological risk assessment ; ecosystems ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Fenvalerate ; humans ; Pesticides ; Public health ; Quinalphos ; Quotients ; Rainy season ; Research Article ; risk ; Risk assessment ; Risk factors ; Rivers ; Sampling ; Sediments ; Spatial distribution ; Surface water ; Temporal distribution ; Waste Water Technology ; Water Management ; Water Pollution Control ; Weight ; wet season</subject><ispartof>Environmental science and pollution research international, 2019-02, Vol.26 (4), p.3569-3577</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>Environmental Science and Pollution Research is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-96657f90d865fe68f05b2c20d85b895fb60b5cdd05803146bf6099879e1385bb3</citedby><cites>FETCH-LOGICAL-c453t-96657f90d865fe68f05b2c20d85b895fb60b5cdd05803146bf6099879e1385bb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2150941487/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2150941487?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,11667,27901,27902,36037,36038,44339,74638</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30523525$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tang, Xiao-Yan</creatorcontrib><creatorcontrib>Yang, Yang</creatorcontrib><creatorcontrib>Tam, Nora Fung-Yee</creatorcontrib><creatorcontrib>Tao, Ran</creatorcontrib><creatorcontrib>Dai, Yu-Nv</creatorcontrib><title>Pesticides in three rural rivers in Guangzhou, China: spatiotemporal distribution and ecological risk</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>Frequent and widespread pesticide use is a major concern for both human and environmental health. The aim of this study was to screen for 19 pesticides in rural rivers in Guangzhou, China, evaluating the potential impact of detected pesticides on the local ecosystem. Sampling was performed in rural rivers in three environment types: agricultural, industrial, and unpolluted, with sampling of water and sediments in both wet and dry seasons. A total of 11 pesticides were detected overall and their spatiotemporal distribution in water and ecological risk were assessed. Five pesticides were detected at concentrations above 100 ng L
−1
, with the highest concentration pesticides being dimethoate (1318 ng L
−1
) in surface water and quinalphos (328 ng g
−1
dry weight (dw)) in sediments. The most commonly detected pesticides were chlorpyrifos, acetochlor, and butachlor with detection frequencies of 50–57% and 29–43%, in water and sediments, respectively. Samples from the agricultural rural river contained the most pesticides and at higher concentrations, as compared to industrial and unpolluted areas, especially during the wet season. Ecotoxicological risk assessment through Risk Quotients (RQs) showed that chlorpyrifos and fenvalerate pose high ecological risks in water and therefore, reduction of the source input of these pesticides is essential.</description><subject>Acetochlor</subject><subject>Agrochemicals</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Butachlor</subject><subject>China</subject><subject>Chlorpyrifos</subject><subject>Dimethoate</subject><subject>Dry season</subject><subject>Earth and Environmental Science</subject><subject>Ecological risk assessment</subject><subject>ecosystems</subject><subject>Ecotoxicology</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Fenvalerate</subject><subject>humans</subject><subject>Pesticides</subject><subject>Public health</subject><subject>Quinalphos</subject><subject>Quotients</subject><subject>Rainy season</subject><subject>Research Article</subject><subject>risk</subject><subject>Risk assessment</subject><subject>Risk factors</subject><subject>Rivers</subject><subject>Sampling</subject><subject>Sediments</subject><subject>Spatial distribution</subject><subject>Surface water</subject><subject>Temporal distribution</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><subject>Weight</subject><subject>wet 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Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2019-02-01</date><risdate>2019</risdate><volume>26</volume><issue>4</issue><spage>3569</spage><epage>3577</epage><pages>3569-3577</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Frequent and widespread pesticide use is a major concern for both human and environmental health. The aim of this study was to screen for 19 pesticides in rural rivers in Guangzhou, China, evaluating the potential impact of detected pesticides on the local ecosystem. Sampling was performed in rural rivers in three environment types: agricultural, industrial, and unpolluted, with sampling of water and sediments in both wet and dry seasons. A total of 11 pesticides were detected overall and their spatiotemporal distribution in water and ecological risk were assessed. Five pesticides were detected at concentrations above 100 ng L
−1
, with the highest concentration pesticides being dimethoate (1318 ng L
−1
) in surface water and quinalphos (328 ng g
−1
dry weight (dw)) in sediments. The most commonly detected pesticides were chlorpyrifos, acetochlor, and butachlor with detection frequencies of 50–57% and 29–43%, in water and sediments, respectively. Samples from the agricultural rural river contained the most pesticides and at higher concentrations, as compared to industrial and unpolluted areas, especially during the wet season. Ecotoxicological risk assessment through Risk Quotients (RQs) showed that chlorpyrifos and fenvalerate pose high ecological risks in water and therefore, reduction of the source input of these pesticides is essential.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>30523525</pmid><doi>10.1007/s11356-018-3808-y</doi><tpages>9</tpages></addata></record> |
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subjects | Acetochlor Agrochemicals Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Butachlor China Chlorpyrifos Dimethoate Dry season Earth and Environmental Science Ecological risk assessment ecosystems Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Fenvalerate humans Pesticides Public health Quinalphos Quotients Rainy season Research Article risk Risk assessment Risk factors Rivers Sampling Sediments Spatial distribution Surface water Temporal distribution Waste Water Technology Water Management Water Pollution Control Weight wet season |
title | Pesticides in three rural rivers in Guangzhou, China: spatiotemporal distribution and ecological risk |
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