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Individual and combined effects of cadmium and diesel on a nematode community in a laboratory microcosm experiment
A microcosm experiment was carried out to study the influence of cadmium and diesel, individually and in a mixture, on a free living nematode community of a Tunisian lagoon. Sediments were contaminated with cadmium that ranged in concentration from 0.54 to 1.40 mg Cd kg −1 (dry weight ( dw)), by die...
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Published in: | Ecotoxicology and environmental safety 2007-11, Vol.68 (3), p.412-418 |
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creator | Beyrem, H. Mahmoudi, E. Essid, N. Hedfi, A. Boufahja, F. Aïssa, P. |
description | A microcosm experiment was carried out to study the influence of cadmium and diesel, individually and in a mixture, on a free living nematode community of a Tunisian lagoon. Sediments were contaminated with cadmium that ranged in concentration from 0.54 to 1.40
mg Cd
kg
−1 (dry weight (
dw)), by diesel at 0.25
mg
kg
−1 (
dw), by a cadmium–diesel mixture (Cd at 1.40
mg
kg
−1+Diesel at 0.25
mg
kg
−1) and effects were examined after 90 days. Univariate analysis showed that all univariate indices did not change significantly neither at all the levels of cadmium contamination nor at 0.25
mg
kg
−1 (
dw) diesel concentration. But, at the cadmium–diesel mixture, significant differences were recorded between nematode assemblages from uncontaminated sediment control microcosm and those from cadmium–diesel mixture amended sediment treatments. Total nematode abundance (
I), mean individual weight (
bi), Shannon–Weaver index
H′, species richness (
d), evenness (
J′) and number of species (
S) decreased significantly in microcosms contaminated with both cadmium and diesel. Results from multivariate analyses of the species abundance data demonstrated that responses of nematode species to the cadmium–diesel treatments were varied:
Marylynnia stekhoveni,
Calomicrolaimus honestus and
Oncholaimellus mediterraneus were significantly affected at the cadmium–diesel contamination but they were not eliminated. These species could be categorized as “cadmium–diesel sensitive”.
Enoploides sp. and
Oncholaimus campylocercoides, characterized by increased abundances in cadmium–diesel amended sediment, seemed to be “cadmium–diesel resistant” species. All these species, “cadmium–diesel sensitive” or “cadmium–diesel resistant”, were not affected by either cadmium or diesel alone. |
doi_str_mv | 10.1016/j.ecoenv.2006.12.007 |
format | article |
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mg Cd
kg
−1 (dry weight (
dw)), by diesel at 0.25
mg
kg
−1 (
dw), by a cadmium–diesel mixture (Cd at 1.40
mg
kg
−1+Diesel at 0.25
mg
kg
−1) and effects were examined after 90 days. Univariate analysis showed that all univariate indices did not change significantly neither at all the levels of cadmium contamination nor at 0.25
mg
kg
−1 (
dw) diesel concentration. But, at the cadmium–diesel mixture, significant differences were recorded between nematode assemblages from uncontaminated sediment control microcosm and those from cadmium–diesel mixture amended sediment treatments. Total nematode abundance (
I), mean individual weight (
bi), Shannon–Weaver index
H′, species richness (
d), evenness (
J′) and number of species (
S) decreased significantly in microcosms contaminated with both cadmium and diesel. Results from multivariate analyses of the species abundance data demonstrated that responses of nematode species to the cadmium–diesel treatments were varied:
Marylynnia stekhoveni,
Calomicrolaimus honestus and
Oncholaimellus mediterraneus were significantly affected at the cadmium–diesel contamination but they were not eliminated. These species could be categorized as “cadmium–diesel sensitive”.
Enoploides sp. and
Oncholaimus campylocercoides, characterized by increased abundances in cadmium–diesel amended sediment, seemed to be “cadmium–diesel resistant” species. All these species, “cadmium–diesel sensitive” or “cadmium–diesel resistant”, were not affected by either cadmium or diesel alone.</description><identifier>ISSN: 0147-6513</identifier><identifier>EISSN: 1090-2414</identifier><identifier>DOI: 10.1016/j.ecoenv.2006.12.007</identifier><identifier>PMID: 17303240</identifier><identifier>CODEN: EESADV</identifier><language>eng</language><publisher>San Diego, CA: Elsevier Inc</publisher><subject>Animal, plant and microbial ecology ; Animals ; Applied ecology ; Biological and medical sciences ; Cadmium ; Cadmium Chloride - analysis ; Cadmium Chloride - toxicity ; Community structure ; Contaminant mixture ; Diesel ; Dose-Response Relationship, Drug ; Drug Synergism ; Ecosystem ; Ecotoxicology, biological effects of pollution ; Environmental Pollutants - analysis ; Environmental Pollutants - toxicity ; Fundamental and applied biological sciences. Psychology ; Gasoline - analysis ; Gasoline - toxicity ; General aspects ; Geologic Sediments - chemistry ; Invertebrates ; Microcosm ; Multivariate Analysis ; Nemathelminthia. Plathelmintha ; Nematoda - drug effects ; Nematoda - growth & development ; Nematodes ; Population Density ; Reproduction - drug effects ; Sediment ; Species Specificity ; Time Factors ; Tunisia</subject><ispartof>Ecotoxicology and environmental safety, 2007-11, Vol.68 (3), p.412-418</ispartof><rights>2007 Elsevier Inc.</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-7ae64724757204d870692f8bb7ac94e3f934311c7aace61ff804f4374f5a5c773</citedby><cites>FETCH-LOGICAL-c421t-7ae64724757204d870692f8bb7ac94e3f934311c7aace61ff804f4374f5a5c773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0147651306002624$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27924,27925,45780</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19172601$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17303240$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Beyrem, H.</creatorcontrib><creatorcontrib>Mahmoudi, E.</creatorcontrib><creatorcontrib>Essid, N.</creatorcontrib><creatorcontrib>Hedfi, A.</creatorcontrib><creatorcontrib>Boufahja, F.</creatorcontrib><creatorcontrib>Aïssa, P.</creatorcontrib><title>Individual and combined effects of cadmium and diesel on a nematode community in a laboratory microcosm experiment</title><title>Ecotoxicology and environmental safety</title><addtitle>Ecotoxicol Environ Saf</addtitle><description>A microcosm experiment was carried out to study the influence of cadmium and diesel, individually and in a mixture, on a free living nematode community of a Tunisian lagoon. Sediments were contaminated with cadmium that ranged in concentration from 0.54 to 1.40
mg Cd
kg
−1 (dry weight (
dw)), by diesel at 0.25
mg
kg
−1 (
dw), by a cadmium–diesel mixture (Cd at 1.40
mg
kg
−1+Diesel at 0.25
mg
kg
−1) and effects were examined after 90 days. Univariate analysis showed that all univariate indices did not change significantly neither at all the levels of cadmium contamination nor at 0.25
mg
kg
−1 (
dw) diesel concentration. But, at the cadmium–diesel mixture, significant differences were recorded between nematode assemblages from uncontaminated sediment control microcosm and those from cadmium–diesel mixture amended sediment treatments. Total nematode abundance (
I), mean individual weight (
bi), Shannon–Weaver index
H′, species richness (
d), evenness (
J′) and number of species (
S) decreased significantly in microcosms contaminated with both cadmium and diesel. Results from multivariate analyses of the species abundance data demonstrated that responses of nematode species to the cadmium–diesel treatments were varied:
Marylynnia stekhoveni,
Calomicrolaimus honestus and
Oncholaimellus mediterraneus were significantly affected at the cadmium–diesel contamination but they were not eliminated. These species could be categorized as “cadmium–diesel sensitive”.
Enoploides sp. and
Oncholaimus campylocercoides, characterized by increased abundances in cadmium–diesel amended sediment, seemed to be “cadmium–diesel resistant” species. All these species, “cadmium–diesel sensitive” or “cadmium–diesel resistant”, were not affected by either cadmium or diesel alone.</description><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Cadmium</subject><subject>Cadmium Chloride - analysis</subject><subject>Cadmium Chloride - toxicity</subject><subject>Community structure</subject><subject>Contaminant mixture</subject><subject>Diesel</subject><subject>Dose-Response Relationship, Drug</subject><subject>Drug Synergism</subject><subject>Ecosystem</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Environmental Pollutants - analysis</subject><subject>Environmental Pollutants - toxicity</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gasoline - analysis</subject><subject>Gasoline - toxicity</subject><subject>General aspects</subject><subject>Geologic Sediments - chemistry</subject><subject>Invertebrates</subject><subject>Microcosm</subject><subject>Multivariate Analysis</subject><subject>Nemathelminthia. Plathelmintha</subject><subject>Nematoda - drug effects</subject><subject>Nematoda - growth & development</subject><subject>Nematodes</subject><subject>Population Density</subject><subject>Reproduction - drug effects</subject><subject>Sediment</subject><subject>Species Specificity</subject><subject>Time Factors</subject><subject>Tunisia</subject><issn>0147-6513</issn><issn>1090-2414</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kcGKFDEQhoMo7uzqG4jkorduK-l0p_siyKLuwoIXPYd0UoEMnWRMugfn7c04A3vzFEh9f_HzFSHvGLQM2PBp36JJGI8tBxhaxlsA-YLsGEzQcMHES7IDJmQz9Ky7Ibel7AGgg75_TW6Y7KDjAnYkP0brj95ueqE6WmpSmH1ES9E5NGuhyVGjbfBb-De3HgsuNEWqacSg12TxHApb9OuJ-vP_oueU6ySfaPAmJ5NKoPjngNkHjOsb8srppeDb63tHfn37-vP-oXn68f3x_stTYwRnayM1DkJyIXvJQdhRwjBxN86z1GYS2LmpEx1jRmptcGDOjSCc6KRwve6NlN0d-XjZe8jp94ZlVcEXg8uiI6atKCZGxrthrKC4gLVrKRmdOtSmOp8UA3V2rfbq4lqdXSvGVXVdY--v-7c5oH0OXeVW4MMV0MXoxWUdjS_P3MQkH4BV7vOFw2rj6DGrYjxGg9bnegNlk_9_k780pJ-e</recordid><startdate>20071101</startdate><enddate>20071101</enddate><creator>Beyrem, H.</creator><creator>Mahmoudi, E.</creator><creator>Essid, N.</creator><creator>Hedfi, A.</creator><creator>Boufahja, F.</creator><creator>Aïssa, P.</creator><general>Elsevier Inc</general><general>Elsevier</general><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>7ST</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>20071101</creationdate><title>Individual and combined effects of cadmium and diesel on a nematode community in a laboratory microcosm experiment</title><author>Beyrem, H. ; Mahmoudi, E. ; Essid, N. ; Hedfi, A. ; Boufahja, F. ; Aïssa, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c421t-7ae64724757204d870692f8bb7ac94e3f934311c7aace61ff804f4374f5a5c773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Applied ecology</topic><topic>Biological and medical sciences</topic><topic>Cadmium</topic><topic>Cadmium Chloride - analysis</topic><topic>Cadmium Chloride - toxicity</topic><topic>Community structure</topic><topic>Contaminant mixture</topic><topic>Diesel</topic><topic>Dose-Response Relationship, Drug</topic><topic>Drug Synergism</topic><topic>Ecosystem</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Environmental Pollutants - analysis</topic><topic>Environmental Pollutants - toxicity</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gasoline - analysis</topic><topic>Gasoline - toxicity</topic><topic>General aspects</topic><topic>Geologic Sediments - chemistry</topic><topic>Invertebrates</topic><topic>Microcosm</topic><topic>Multivariate Analysis</topic><topic>Nemathelminthia. Plathelmintha</topic><topic>Nematoda - drug effects</topic><topic>Nematoda - growth & development</topic><topic>Nematodes</topic><topic>Population Density</topic><topic>Reproduction - drug effects</topic><topic>Sediment</topic><topic>Species Specificity</topic><topic>Time Factors</topic><topic>Tunisia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beyrem, H.</creatorcontrib><creatorcontrib>Mahmoudi, E.</creatorcontrib><creatorcontrib>Essid, N.</creatorcontrib><creatorcontrib>Hedfi, A.</creatorcontrib><creatorcontrib>Boufahja, F.</creatorcontrib><creatorcontrib>Aïssa, P.</creatorcontrib><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>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Ecotoxicology and environmental safety</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Beyrem, H.</au><au>Mahmoudi, E.</au><au>Essid, N.</au><au>Hedfi, A.</au><au>Boufahja, F.</au><au>Aïssa, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Individual and combined effects of cadmium and diesel on a nematode community in a laboratory microcosm experiment</atitle><jtitle>Ecotoxicology and environmental safety</jtitle><addtitle>Ecotoxicol Environ Saf</addtitle><date>2007-11-01</date><risdate>2007</risdate><volume>68</volume><issue>3</issue><spage>412</spage><epage>418</epage><pages>412-418</pages><issn>0147-6513</issn><eissn>1090-2414</eissn><coden>EESADV</coden><abstract>A microcosm experiment was carried out to study the influence of cadmium and diesel, individually and in a mixture, on a free living nematode community of a Tunisian lagoon. Sediments were contaminated with cadmium that ranged in concentration from 0.54 to 1.40
mg Cd
kg
−1 (dry weight (
dw)), by diesel at 0.25
mg
kg
−1 (
dw), by a cadmium–diesel mixture (Cd at 1.40
mg
kg
−1+Diesel at 0.25
mg
kg
−1) and effects were examined after 90 days. Univariate analysis showed that all univariate indices did not change significantly neither at all the levels of cadmium contamination nor at 0.25
mg
kg
−1 (
dw) diesel concentration. But, at the cadmium–diesel mixture, significant differences were recorded between nematode assemblages from uncontaminated sediment control microcosm and those from cadmium–diesel mixture amended sediment treatments. Total nematode abundance (
I), mean individual weight (
bi), Shannon–Weaver index
H′, species richness (
d), evenness (
J′) and number of species (
S) decreased significantly in microcosms contaminated with both cadmium and diesel. Results from multivariate analyses of the species abundance data demonstrated that responses of nematode species to the cadmium–diesel treatments were varied:
Marylynnia stekhoveni,
Calomicrolaimus honestus and
Oncholaimellus mediterraneus were significantly affected at the cadmium–diesel contamination but they were not eliminated. These species could be categorized as “cadmium–diesel sensitive”.
Enoploides sp. and
Oncholaimus campylocercoides, characterized by increased abundances in cadmium–diesel amended sediment, seemed to be “cadmium–diesel resistant” species. All these species, “cadmium–diesel sensitive” or “cadmium–diesel resistant”, were not affected by either cadmium or diesel alone.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><pmid>17303240</pmid><doi>10.1016/j.ecoenv.2006.12.007</doi><tpages>7</tpages></addata></record> |
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source | ScienceDirect Freedom Collection; ScienceDirect® |
subjects | Animal, plant and microbial ecology Animals Applied ecology Biological and medical sciences Cadmium Cadmium Chloride - analysis Cadmium Chloride - toxicity Community structure Contaminant mixture Diesel Dose-Response Relationship, Drug Drug Synergism Ecosystem Ecotoxicology, biological effects of pollution Environmental Pollutants - analysis Environmental Pollutants - toxicity Fundamental and applied biological sciences. Psychology Gasoline - analysis Gasoline - toxicity General aspects Geologic Sediments - chemistry Invertebrates Microcosm Multivariate Analysis Nemathelminthia. Plathelmintha Nematoda - drug effects Nematoda - growth & development Nematodes Population Density Reproduction - drug effects Sediment Species Specificity Time Factors Tunisia |
title | Individual and combined effects of cadmium and diesel on a nematode community in a laboratory microcosm experiment |
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