Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill

Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill

Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolved concentrations of zinc (1000 µg L-1 and 3000 µg L-1) and cadmium (10 µg L-1 and 30 µg L-1), determined in the Guadiamar River after the Aznalcóllar mining spill (SW Spain). Female gonadosomatic and hepatosomatic indexes were analyzed at the end of the bioassay, and a general decrease in the gonadosomatic index and increase in the hepatosomatic index were observed in individuals at the same maturation stage, exposed to increasing heavy metal concentrations. Only the decrease in the gonadosomatic index values was significant at the highest zinc concentration. Decreases in gonadosomatic indexes were associated with reduced fecundity.

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Main Authors: Martín-Díaz,M.L., Tuberty,S.R., McKenney Jr.,C.L., Sales,D., Del Valls,T.A.
Format: Digital revista
Language:English
Published: Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas 2005
Online Access:http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0185-38802005000200006
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spelling oai:scielo:S0185-388020050002000062017-05-29Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spillMartín-Díaz,M.L.Tuberty,S.R.McKenney Jr.,C.L.Sales,D.Del Valls,T.A. Aznalcóllar mining spill heavy metals crustaceans gonadosomatic index hepatosomatic index Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolved concentrations of zinc (1000 µg L-1 and 3000 µg L-1) and cadmium (10 µg L-1 and 30 µg L-1), determined in the Guadiamar River after the Aznalcóllar mining spill (SW Spain). Female gonadosomatic and hepatosomatic indexes were analyzed at the end of the bioassay, and a general decrease in the gonadosomatic index and increase in the hepatosomatic index were observed in individuals at the same maturation stage, exposed to increasing heavy metal concentrations. Only the decrease in the gonadosomatic index values was significant at the highest zinc concentration. Decreases in gonadosomatic indexes were associated with reduced fecundity.info:eu-repo/semantics/openAccessUniversidad Autónoma de Baja California, Instituto de Investigaciones OceanológicasCiencias marinas v.31 n.1b 20052005-01-01info:eu-repo/semantics/articletext/htmlhttp://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0185-38802005000200006en
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country México
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region America del Norte
libraryname SciELO
language English
format Digital
author Martín-Díaz,M.L.
Tuberty,S.R.
McKenney Jr.,C.L.
Sales,D.
Del Valls,T.A.
spellingShingle Martín-Díaz,M.L.
Tuberty,S.R.
McKenney Jr.,C.L.
Sales,D.
Del Valls,T.A.
Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill
author_facet Martín-Díaz,M.L.
Tuberty,S.R.
McKenney Jr.,C.L.
Sales,D.
Del Valls,T.A.
author_sort Martín-Díaz,M.L.
title Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill
title_short Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill
title_full Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill
title_fullStr Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill
title_full_unstemmed Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill
title_sort effects of cadmium and zinc on procambarus clarkii: simulation of the aznalcóllar mining spill
description Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolved concentrations of zinc (1000 µg L-1 and 3000 µg L-1) and cadmium (10 µg L-1 and 30 µg L-1), determined in the Guadiamar River after the Aznalcóllar mining spill (SW Spain). Female gonadosomatic and hepatosomatic indexes were analyzed at the end of the bioassay, and a general decrease in the gonadosomatic index and increase in the hepatosomatic index were observed in individuals at the same maturation stage, exposed to increasing heavy metal concentrations. Only the decrease in the gonadosomatic index values was significant at the highest zinc concentration. Decreases in gonadosomatic indexes were associated with reduced fecundity.
publisher Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas
publishDate 2005
url http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0185-38802005000200006
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