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

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Autor principal: M.L. Martín-Díaz
Formato: Artículo científico
Lenguaje:en
Publicado: Universidad Autónoma de Baja California 2005
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author M.L. Martín-Díaz
author_facet M.L. Martín-Díaz
contents Effects of cadmium and zinc on Procambarus clarkii: simulation of the Aznalcóllar mining spill M.L. Martín-Díaz S.R. Tuberty C.L. McKenney Jr. D. Sales T. A. Del Valls Ciencias de la Tierra crustaceans heavy metals gonadosomatic index hepatosomatic index Aznalcóllar mining spill Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolvedconcentrations 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 GuadiamarRiver after the Aznalcóllar mining spill (SW Spain). Female gonadosomatic and hepatosomatic indexes were analyzed at the endof the bioassay, and a general decrease in the gonadosomatic index and increase in the hepatosomatic index were observed inindividuals at the same maturation stage, exposed to increasing heavy metal concentrations. Only the decrease in thegonadosomatic index values was significant at the highest zinc concentration. Decreases in gonadosomatic indexes wereassociated with reduced fecundity. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48003106 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.1B Vol.31
format Artículo científico
id redalyc_48003106
institution Redalyc
language en
publishDate 2005
publisher Universidad Autónoma de Baja California
spellingShingle Effects of cadmium and zinc on Procambarus clarkii: simulation of the Aznalcóllar mining spill
M.L. Martín-Díaz
Ciencias de la Tierra
crustaceans
heavy metals
gonadosomatic index
hepatosomatic index
Aznalcóllar mining spill
Effects of cadmium and zinc on Procambarus clarkii: simulation of the Aznalcóllar mining spill M.L. Martín-Díaz S.R. Tuberty C.L. McKenney Jr. D. Sales T. A. Del Valls Ciencias de la Tierra crustaceans heavy metals gonadosomatic index hepatosomatic index Aznalcóllar mining spill Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolvedconcentrations 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 GuadiamarRiver after the Aznalcóllar mining spill (SW Spain). Female gonadosomatic and hepatosomatic indexes were analyzed at the endof the bioassay, and a general decrease in the gonadosomatic index and increase in the hepatosomatic index were observed inindividuals at the same maturation stage, exposed to increasing heavy metal concentrations. Only the decrease in thegonadosomatic index values was significant at the highest zinc concentration. Decreases in gonadosomatic indexes wereassociated with reduced fecundity. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48003106 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.1B Vol.31
title Effects of cadmium and zinc on Procambarus clarkii: simulation of the Aznalcóllar mining spill
topic Ciencias de la Tierra
crustaceans
heavy metals
gonadosomatic index
hepatosomatic index
Aznalcóllar mining spill
url https://www.redalyc.org/articulo.oa?id=48003106