Applications of toxicity curves in assessing the toxicity of diazinon and pentachlorophenol to Lumbricus terrestris in natural soils
Toxicity tests were conducted with Lumbricus terrestris exposed to diazinon in three different natural soil types (Brookston Clay, Fox Sand and Guelph Loam) and to pentachlorophenol (PCP) in Fox Sand. Mortalities were monitored at 2, 4, 8, 16, 24, 48, 96 h, and 5, 7, 14, and 21 d. Toxicity curves (...
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| Veröffentlicht in: | Soil biology & biochemistry 1997-03, Vol.29 (3), p.689-692 |
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| creator | Lanno, R.P. Stephenson, G.L. Wren, C.D. |
| description | Toxicity tests were conducted with
Lumbricus terrestris exposed to diazinon in three different natural soil types (Brookston Clay, Fox Sand and Guelph Loam) and to pentachlorophenol (PCP) in Fox Sand. Mortalities were monitored at 2, 4, 8, 16, 24, 48, 96 h, and 5, 7, 14, and 21 d. Toxicity curves (
lc
50/time) were fitted to a one-compartment first-order kinetics (1CFOK) model using non-linear regression analysis to determine incipient lethal levels (ILLs). The 1CFOK model provided a reasonable fit to the observed data for diazinon in all soil types. Toxicity was markedly influenced by soil type, with lowest toxicity in Brookston Clay. The 1CFOK model provided a reasonable fit to the toxicity curve for PCP in Fox Sand up to 14 d, but not for the entire 21-d test period due to increased mortality between 14 and 21 d. The results of this study suggest that toxicity curves and ILLs can be generated from the standard soil toxicity testing protocol by increasing the number of observations taken during the course of a 14-d lethality test. |
| doi_str_mv | 10.1016/S0038-0717(96)00196-4 |
| format | Article |
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Lumbricus terrestris exposed to diazinon in three different natural soil types (Brookston Clay, Fox Sand and Guelph Loam) and to pentachlorophenol (PCP) in Fox Sand. Mortalities were monitored at 2, 4, 8, 16, 24, 48, 96 h, and 5, 7, 14, and 21 d. Toxicity curves (
lc
50/time) were fitted to a one-compartment first-order kinetics (1CFOK) model using non-linear regression analysis to determine incipient lethal levels (ILLs). The 1CFOK model provided a reasonable fit to the observed data for diazinon in all soil types. Toxicity was markedly influenced by soil type, with lowest toxicity in Brookston Clay. The 1CFOK model provided a reasonable fit to the toxicity curve for PCP in Fox Sand up to 14 d, but not for the entire 21-d test period due to increased mortality between 14 and 21 d. The results of this study suggest that toxicity curves and ILLs can be generated from the standard soil toxicity testing protocol by increasing the number of observations taken during the course of a 14-d lethality test.</description><identifier>ISSN: 0038-0717</identifier><identifier>EISSN: 1879-3428</identifier><identifier>DOI: 10.1016/S0038-0717(96)00196-4</identifier><identifier>CODEN: SBIOAH</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Agronomy. Soil science and plant productions ; Animal, plant and microbial ecology ; Applied ecology ; Biological and medical sciences ; Ecotoxicology, biological effects of pollution ; Effects of pollution and side effects of pesticides on protozoa and invertebrates ; Fundamental and applied biological sciences. Psychology ; Soil and water pollution ; Soil science</subject><ispartof>Soil biology & biochemistry, 1997-03, Vol.29 (3), p.689-692</ispartof><rights>1997</rights><rights>1997 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-242da4c74fc84bce58f86299b94b0b6ef0ef6c4ac7f2fdcb76ffa6d7f515ab823</citedby><cites>FETCH-LOGICAL-c367t-242da4c74fc84bce58f86299b94b0b6ef0ef6c4ac7f2fdcb76ffa6d7f515ab823</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0038071796001964$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3536,23910,23911,25119,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2782541$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Lanno, R.P.</creatorcontrib><creatorcontrib>Stephenson, G.L.</creatorcontrib><creatorcontrib>Wren, C.D.</creatorcontrib><title>Applications of toxicity curves in assessing the toxicity of diazinon and pentachlorophenol to Lumbricus terrestris in natural soils</title><title>Soil biology & biochemistry</title><description>Toxicity tests were conducted with
Lumbricus terrestris exposed to diazinon in three different natural soil types (Brookston Clay, Fox Sand and Guelph Loam) and to pentachlorophenol (PCP) in Fox Sand. Mortalities were monitored at 2, 4, 8, 16, 24, 48, 96 h, and 5, 7, 14, and 21 d. Toxicity curves (
lc
50/time) were fitted to a one-compartment first-order kinetics (1CFOK) model using non-linear regression analysis to determine incipient lethal levels (ILLs). The 1CFOK model provided a reasonable fit to the observed data for diazinon in all soil types. Toxicity was markedly influenced by soil type, with lowest toxicity in Brookston Clay. The 1CFOK model provided a reasonable fit to the toxicity curve for PCP in Fox Sand up to 14 d, but not for the entire 21-d test period due to increased mortality between 14 and 21 d. The results of this study suggest that toxicity curves and ILLs can be generated from the standard soil toxicity testing protocol by increasing the number of observations taken during the course of a 14-d lethality test.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Effects of pollution and side effects of pesticides on protozoa and invertebrates</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Soil and water pollution</subject><subject>Soil science</subject><issn>0038-0717</issn><issn>1879-3428</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqF0E1v1DAQBuAIgcTS8hOQfEAIDqG249jJCVUVtEgrcQDOljMZs0ZZO3icqu25P5x0typHTnN55uutqjeCfxRc6LPvnDddzY0w73v9gXPR61o9qzaiM33dKNk9rzZP5GX1iug351y2otlU9-fzPAVwJaRILHlW0k2AUG4ZLPkaiYXIHBEShfiLlR3-Ayseg7sLMa0kjmzGWBzsppTTvMOYppWy7bIfcoCFWMGckUoOh5nRlSW7iVEKE51WL7ybCF8_1pPq55fPPy6u6u23y68X59saGm1KLZUcnQKjPHRqAGw732nZ90OvBj5o9By9BuXAeOlHGIz23unR-Fa0buhkc1K9O86dc_qzrMfYfSDAaXIR00JWaKn7tjUrbI8QciLK6O2cw97lWyu4fcjcHjK3D4HaXttD5latfW8fFzgCN_nsIgR6apamk60SK_t0ZLg-ex0wW4KAEXAMGaHYMYX_LPoLUeWa1A</recordid><startdate>19970301</startdate><enddate>19970301</enddate><creator>Lanno, R.P.</creator><creator>Stephenson, G.L.</creator><creator>Wren, C.D.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TV</scope><scope>7U7</scope><scope>C1K</scope></search><sort><creationdate>19970301</creationdate><title>Applications of toxicity curves in assessing the toxicity of diazinon and pentachlorophenol to Lumbricus terrestris in natural soils</title><author>Lanno, R.P. ; Stephenson, G.L. ; Wren, C.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-242da4c74fc84bce58f86299b94b0b6ef0ef6c4ac7f2fdcb76ffa6d7f515ab823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>Biological and medical sciences</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Effects of pollution and side effects of pesticides on protozoa and invertebrates</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Soil and water pollution</topic><topic>Soil science</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lanno, R.P.</creatorcontrib><creatorcontrib>Stephenson, G.L.</creatorcontrib><creatorcontrib>Wren, C.D.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Soil biology & biochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lanno, R.P.</au><au>Stephenson, G.L.</au><au>Wren, C.D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Applications of toxicity curves in assessing the toxicity of diazinon and pentachlorophenol to Lumbricus terrestris in natural soils</atitle><jtitle>Soil biology & biochemistry</jtitle><date>1997-03-01</date><risdate>1997</risdate><volume>29</volume><issue>3</issue><spage>689</spage><epage>692</epage><pages>689-692</pages><issn>0038-0717</issn><eissn>1879-3428</eissn><coden>SBIOAH</coden><abstract>Toxicity tests were conducted with
Lumbricus terrestris exposed to diazinon in three different natural soil types (Brookston Clay, Fox Sand and Guelph Loam) and to pentachlorophenol (PCP) in Fox Sand. Mortalities were monitored at 2, 4, 8, 16, 24, 48, 96 h, and 5, 7, 14, and 21 d. Toxicity curves (
lc
50/time) were fitted to a one-compartment first-order kinetics (1CFOK) model using non-linear regression analysis to determine incipient lethal levels (ILLs). The 1CFOK model provided a reasonable fit to the observed data for diazinon in all soil types. Toxicity was markedly influenced by soil type, with lowest toxicity in Brookston Clay. The 1CFOK model provided a reasonable fit to the toxicity curve for PCP in Fox Sand up to 14 d, but not for the entire 21-d test period due to increased mortality between 14 and 21 d. The results of this study suggest that toxicity curves and ILLs can be generated from the standard soil toxicity testing protocol by increasing the number of observations taken during the course of a 14-d lethality test.</abstract><cop>Oxford</cop><cop>New York, NY</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0038-0717(96)00196-4</doi><tpages>4</tpages></addata></record> |
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| ispartof | Soil biology & biochemistry, 1997-03, Vol.29 (3), p.689-692 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Agronomy. Soil science and plant productions Animal, plant and microbial ecology Applied ecology Biological and medical sciences Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on protozoa and invertebrates Fundamental and applied biological sciences. Psychology Soil and water pollution Soil science |
| title | Applications of toxicity curves in assessing the toxicity of diazinon and pentachlorophenol to Lumbricus terrestris in natural soils |
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