DSpace
 
  Repositório Institucional da Universidade de Aveiro > Departamento de Biologia > BIO - Artigos >
 Effects of Cadmium and Zinc on the feeding behaviour of two freshwater crustaceans: Atyaephyra desmarestii (Decapoda) and Echinogammarus meridionalis (Amphipoda)
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5356

title: Effects of Cadmium and Zinc on the feeding behaviour of two freshwater crustaceans: Atyaephyra desmarestii (Decapoda) and Echinogammarus meridionalis (Amphipoda)
authors: Pestana, J. L. T.
Ré, A.
Nogueira, A. J. A.
Soares, A. M. V. M.
keywords: Heavy metals
Toxicity
Feeding inhibition
Echinogammarus
Atyaephyra
Shredders
issue date: 2007
publisher: Elsevier
abstract: Lethal and sublethal effects of Cadmium and Zinc on two freshwater crustaceans were investigated. The 96-h LC50 for Cadmium and Zinc were 42.20 mu g 1(-1) and 5.43 mg 1(-1) for Atyaephyra desmarestd, and 36.17 mu g 1(-1) and 4.61 mg 1(-1) for Echinogammarus meridionalis, respectively. An increase in metal concentrations at sublethal levels resulted in significant reductions of the feeding rate of both species. The LOECs in the chronic feeding assays for Zinc were 1.29 mg 1(-1) for A. desmarestii and 0.4 mg 1(-1) for E. meridionalis. For Cadmium the LOEC was 6.53 mu g 1(-1) for both species. The results suggest the potential use of these two crustacean species as test organisms in ecotoxicological tests. Feeding assays appear to be a rapid, cheap and effective tool to be used in biomonitoring studies of Portuguese freshwaters. (C) 2007 Elsevier Ltd. All rights reserved.
URI: http://hdl.handle.net/10773/5356
ISSN: 0045-6535
publisher version/DOI: http://dx.doi.org/10.1016/j.chemosphere.2007.02.053
source: Chemosphere
appears in collectionsCESAM - Artigos
BIO - Artigos

files in this item

file description sizeformat
133-Chemosp_2007_68_1556.pdf184.29 kBAdobe PDFview/open
Restrict Access. You can Request a copy!
statistics

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

 

Valid XHTML 1.0! RCAAP OpenAIRE DeGóis
ria-repositorio@ua.pt - Copyright ©   Universidade de Aveiro - RIA Statistics - Powered by MIT's DSpace software, Version 1.6.2