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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Thursday 09 July 2020

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The effects of Aluminium waterbone exposure to mixtures of Cadmium and Lead on growth and mortality of mosquito fish Gambusia affinis H. (Poescillidae, Pisces)


Volume 29, Issue 3, June 2020, Pages 790–793

 The effects of Aluminium waterbone exposure to mixtures of Cadmium and Lead on growth and mortality of mosquito fish Gambusia affinis H. (Poescillidae, Pisces)

NKOBA Tuzolana Hippolyte1, Dieudonné E. Musibono2, R. Mabela3, B.l. Iketsh4, René V. GIZANGA5, F. Boko6, M. Mbu7, and I. Nsimanda8

1 Laboratoire d'Ecotoxicologie et Biotechnologie environnementale ERGS, Département de l'Environnement, Faculté des Sciences, Université de Kinshasa, RD Congo
2 Professeur ordinaire & Directeur du groupe ERGS, Département de l'Environnement, Faculté des sciences, Université de Kinshasa (UNIKIN), RD Congo
3 Associate Professor, Department of Mathematics & Computer Science, Faculty of Science, University of Kinshasa, P.O.Box 190 Kinshasa XI, RD Congo
4 Social Impact Specialist, Kikwit, RD Congo
5 Laboratoire d’Ecotoxicologie et Santé des écosystèmes ERGS, Département des sciences de l’environnement, Faculté des Sciences, Université de Kinshasa, RD Congo
6 ISTA-Kinshasa, Ndolo, RD Congo
7 ISTA-Kinshasa, Ndolo, RD Congo
8 ERGS Laboratory for Ecotoxicology, Ecosystem Health and Chemical Risk Assessment, Dept of Environmental Sciences, Faculty of Science, University of Kinshasa, RD Congo

Original language: English

Received 15 February 2017

Copyright © 2020 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Combined effects of three metals were assessed through toxicological tests in binary and one tertiary mixtures. Death and changes in body weight were used as biological responses to the toxicity. Test solutions were prepared with metal salts grade Merck Analar at 65%. Concentrations were derived from the Congolese official standards from Mining Code and Regulations. These were 500 ppb fof Cd, 5000 ppb for Pb and 5000 ppb for Al. Acute tests were 96-h exposures of the Mosquito fish Gambusia affinis and chronic tests were based on the 35-d exposures. During the chronic exposure, fish were daily fed with the powder of the earthworm Eisenia fetida.Results allowed to conclude that:- Legal standards from the Congolese code were toxic to fish. They should be reduced or lowered.- Mixtures of Cd and Pb develop synergism and remain very toxic to aquatic organisms.- Mixtures of both metals with the Al in binary or tertiary combinations showed antagonism.This information provides useful tools to water quality managers.

Author Keywords: Heavy metals, toxic, Acute, chronic, mixtures.


How to Cite this Article


NKOBA Tuzolana Hippolyte, Dieudonné E. Musibono, R. Mabela, B.l. Iketsh, René V. GIZANGA, F. Boko, M. Mbu, and I. Nsimanda, “The effects of Aluminium waterbone exposure to mixtures of Cadmium and Lead on growth and mortality of mosquito fish Gambusia affinis H. (Poescillidae, Pisces),” International Journal of Innovation and Applied Studies, vol. 29, no. 3, pp. 790–793, June 2020.