RESPONSES OF TWO EARTHWORM POPULATIONS WITH DIFFERENT EXPOSURE HISTORIES TO CHLOROPHENOL CONTAMINATION
1998; Wiley; Volume: 17; Issue: 6 Linguagem: Inglês
10.1897/1551-5028(1998)017 2.3.co;2
ISSN1552-8618
Autores Tópico(s)Insect and Arachnid Ecology and Behavior
ResumoEnvironmental Toxicology and ChemistryVolume 17, Issue 6 p. 1114-1117 Environmental Toxicology Responses of two earthworm populations with different exposure histories to chlorophenol contamination Jari Haimi, Corresponding Author Jari Haimi [email protected] University of Jyväskylä, Department of Biological and Environmental Science, P. O. Box 35, FIN-40351 Jyväskylä, FinlandUniversity of Jyväskylä, Department of Biological and Environmental Science, P. O. Box 35, FIN-40351 Jyväskylä, FinlandSearch for more papers by this authorSirkku Paavola, Sirkku Paavola University of Jyväskylä, Department of Biological and Environmental Science, P. O. Box 35, FIN-40351 Jyväskylä, FinlandSearch for more papers by this author Jari Haimi, Corresponding Author Jari Haimi [email protected] University of Jyväskylä, Department of Biological and Environmental Science, P. O. Box 35, FIN-40351 Jyväskylä, FinlandUniversity of Jyväskylä, Department of Biological and Environmental Science, P. O. Box 35, FIN-40351 Jyväskylä, FinlandSearch for more papers by this authorSirkku Paavola, Sirkku Paavola University of Jyväskylä, Department of Biological and Environmental Science, P. O. Box 35, FIN-40351 Jyväskylä, FinlandSearch for more papers by this author First published: 02 November 2009 https://doi.org/10.1002/etc.5620170618Citations: 9Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract Two populations of the earthworm Aporrectodea tuberculata (Eisen), one from a chlorophenol contaminated and another from an uncontaminated site in central Finland, were exposed to acute, toxic, and sublethal concentrations of pentachlorophenol (PCP). Exposure history seemed to have only slight effect on the responses of the earthworms. Values of a lethal concentration of 50% in the humus-rich soil were very high, 1,870 μg PCP per gram for the earthworms from the contaminated site and 1,520 μg/g for the earthworms from the uncontaminated site. No differences in the accumulation of PCP from the soil into the earthworms between the two populations were found. Earthworms from both populations seemed to be able to avoid low concentrations of PCP. Earthworms from the contaminated site tended to produce more cocoons in PCP-spiked than in clean soil, whereas earthworms from the uncontaminated site produced more cocoons in clean soil. No other significant differences in the growth or reproduction between the populations were found. It seems that in humus-rich soils chlorophenols have not acted as an important selection pressure, probably because of their strong sorption to soil organic matter. However, the results showed that earthworms are able to reduce their exposure by avoidance behavior. REFERENCES 1 Ma W-C, Eijsackers H. 1989. The influence of substrate toxicity on soil macrofauna return in reclaimed land. In JD Majer, ed, Animals in Primary Succession—The role of fauna in reclaimed lands. Cambridge University Press, Cambridge, UK, pp 223–244. 2 Bengtsson G, Ek H, Rundgren S. 1992. Evolutionary response of earthworms to long-term metal exposure. Oikos 63: 289–297. 3 Posthuma L. 1990. 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Citing Literature Volume17, Issue6June 1998Pages 1114-1117 ReferencesRelatedInformation
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