Heavy metal pollution affects consumption and reproduction of the landsnail Cepaea nemoralis fed on naturally polluted Urtica dioica leaves.

Ecotoxicology
Martje J M NottenRien Aerts

Abstract

This study is one of the very first that investigates the effects of heavy metal pollution on food consumption and reproduction of terrestrial snails under semi-realistic field conditions. Two experiments were carried out using snails (Cepaea nemoralis) and food (Urtica dioica leaves) from different metal polluted locations and one reference location. The first experiment showed that both polluted and reference snails fed on high-metal leaves from a highly polluted location had significantly lower consumption rates than snails consuming leaves from the reference location. In the second experiment, snails from both locations used in the consumption experiment and from two low-polluted locations were kept on native soil and food in order to reproduce. No negative effect of heavy metal pollution on clutch size was found for the snails from the reference location and the low-polluted locations. Snails from the highly polluted location laid no eggs. This suggests that at high levels of metal pollution, reproduction is strongly negatively affected. We suggest that the absence of egg laying by snails from the highly polluted location results from a combination of decreased consumption and an increased demand of energy for the accumula...Continue Reading

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Citations

Jan 12, 2007·Oecologia·Nausicaa NoretJosé Escarré
Sep 23, 2014·Arthropod Structure & Development·Agnieszka BabczyńskaElżbieta Szulińska
Sep 13, 2008·Bulletin of Environmental Contamination and Toxicology·I E Ebenso, A D Ologhobo
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Aug 9, 2012·The Science of the Total Environment·Agnieszka BabczyńskaPaweł Migula
Dec 27, 2011·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Céline PavatFrédéric Marin
Jun 24, 2010·Ecotoxicology and Environmental Safety·Xu HuangWen-Xiong Wang
May 13, 2014·Environmental Pollution·Marcos RubalIsabel Sousa-Pinto
Mar 25, 2015·Environmental Monitoring and Assessment·Jillian E GallNishanta Rajakaruna
Jan 10, 2017·Ecotoxicology and Environmental Safety·Danuta Kowalczyk-PeckaEdyta Kowalczuk-Vasilev
May 1, 2018·Environmental Science and Pollution Research International·Fei HuangShaohua Chen
Feb 7, 2018·Ecotoxicology·Silvia FilippiDario Angeletti
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Nov 5, 2020·Journal of Experimental Zoology. Part A, Ecological and Integrative Physiology·Veronika Pedrini-MarthaReinhard Dallinger
Sep 1, 2020·Ecotoxicology and Environmental Safety·Dung Thi DongDayanthi Nugegoda

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