Effects of Cd and Pb on the survival and juvenile production of Sinella coeca and Folsomia candida |
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| Affiliation: | 1. Dipartimento di Biologia Evolutiva e Funzionale, sezione Museo di Storia Naturale, Università di Parma, via Farini, 90, 43100 Parma, Italy;2. Dipartimento di Biologia Evolutiva e Funzionale, sezione di Biologia Vegetale, Università di Parma, via Farini, 90, 43100 Parma, Italy;1. Sorbonne Universités, UPMC Univ Paris 06, CNRS, IRD, INRA, Institut d’écologie et des sciences de l’environnement (IEES), Paris, France;2. Ecole Normale Supérieure, PSL Research University, CNRS, Centre de recherche en écologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), UMS 3194, 78 rue du château, 77140 Saint-Pierre-les-Nemours, France;3. Sorbonne Universités, Paris-Sorbonne Univ Paris 04, ESPE de l''académie de Paris, Paris, France;1. Department of Bioscience, Aarhus University, Vejlsøvej 25, PO Box 314, DK-8600 Silkeborg, Denmark;2. Department of Environmental Science, Aarhus University, Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark;1. State Key Laboratory of Integrated Management of Pest and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, China;2. Department of Bioscience, Aarhus University, P.O. Box 314, Vejlsoevej 25, DK-8600 Silkeborg, Denmark;3. College of Life Science and Technology, Southwest University For Nationalities, Chengdu 610041, China;4. Institute of Ecological Science, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, Netherlands;5. College of Plant Protection, Department of Entomology, Nanjing Agricultural University, Nanjing 210095, China;6. Department of Entomology, Texas A&M University, College Station, TX 77843, USA;7. Institute of Plant Protection, Jiangxi Academy of Agricultural Science, Nanchang 330200, China;1. Section for Soil Fauna Ecology and Ecotoxicology, Department of Bioscience, Aarhus University, Vejlsøvej 25, DK-8600 Silkeborg, Denmark;2. Department of Bioscience, Arctic Research Centre, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark;3. Department of Biology & CESAM (Centre for Environmental and Marine Studies), University of Aveiro, 3810-193 Aveiro, Portugal;4. Section for Marine Diversity and Experimental Ecology, Department of Bioscience, Frederiksborgvej 399, Building B1.21, DK-4000 Roskilde, Denmark;1. Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Kraków, Poland;2. School of Biological Sciences, 348 Manter Hall, 68588-0118 Lincoln, NE, USA;3. College of Agricultural, Human, and Natural Resource Sciences Department of Entomology, Washington State University, 7612 Pioneer Way, 98371-4998 Puyallup, WA, USA;1. LOEWE Biodiversity and Climate Research Centre BiK-F, Senckenberganlage 25, 60325 Frankfurt/Main, Germany;2. ECT Oekotoxikologie GmbH, Böttgerstrasse 2-14, 65439 Flörsheim, Germany;3. Goethe University Frankfurt, Department Aquatic Ecotoxicology, Max-von-Laue-Str. 13, 60438 Frankfurt/Main, Germany |
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| Abstract: | Degradation factors can cause both quantitative and qualitative changes in fauna and thus affect soil functioning. The use of bio-indicators may help to detect environmental changes. The aim of this study was to evaluate the effects of lead and cadmium on the biology (mortality, reproduction, egg hatching) of two euedaphic collembolans, Sinella coeca and Folsomia candida and to evaluate sensitivity differences between the two species. The results showed that low concentrations of lead did not cause dramatic effects on the survival and reproduction of both species. Reproduction of both species was reduced when the soil contained a nominal concentration of Pb at 1000 μg g–1. S. coeca and F. candida showed a high sensitivity to cadmium and both their reproduction and survival were significantly reduced on exposure to 50 μg g–1. Moreover, egg hatching of F. candida was affected by the cadmium concentrations in the soil, and by the amount of time that the eggs stayed in contact with cadmium. This study showed that the inhibition determined by Cd on F. candida juvenile production was caused in part by inhibition of deposition and, in part, by reduction of egg viability. |
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