Levels of heavy metals in biota from the la plata river

In this study levels of five heavy metals—Cd, Cu, Ni, Pb, and Zn—were quantified in selected tissues of aquatic organisms and in sediments from the La Plata River. Fishes (Odontesthes bonariensis and Pimelodus clarias), snails (Ampullaria insularum), and bivalve molluscs (Neocorbicula limosa) were c...

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Autores principales: Verrengia Guerrero, N.R., Kesten, E.M.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10534725_v8_n3_p335_VerrengiaGuerrero
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spelling todo:paper_10534725_v8_n3_p335_VerrengiaGuerrero2023-10-03T16:00:34Z Levels of heavy metals in biota from the la plata river Verrengia Guerrero, N.R. Kesten, E.M. cadmium copper heavy metal lead nickel river water zinc animal tissue argentina article bioaccumulation concentration environmental monitoring fish hepatopancreas liver mollusc nonhuman snail water pollution In this study levels of five heavy metals—Cd, Cu, Ni, Pb, and Zn—were quantified in selected tissues of aquatic organisms and in sediments from the La Plata River. Fishes (Odontesthes bonariensis and Pimelodus clarias), snails (Ampullaria insularum), and bivalve molluscs (Neocorbicula limosa) were collected from a Recreational Fishing Association, nearby Buenos Aires harbor, during 1988 and 1989. Samples of snail hepatopancreas showed higher levels of metal concentrations than samples of fish livers, regarding the five metals quantified. In general, lower levels of heavy metals were observed in whole body samples of bivalves, with or without the gut contents, except for Cd. Both species of macroinvertebrates have demonstrated a great ability to bioaccumulate Cd. Many physical, chemical, and biological factors regulate the intake and accumulation of heavy metals by aquatic organisms. Therefore, it is difficult to assess the extent of pollution in biota from the La Plata River by direct comparisons with data previously reported in the literature. However, our results may be useful as reference levels of heavy metal contamination in selected organisms from this particular aquatic system. © 1993 John Wiley & Sons, Inc. Copyright © 1993 Wiley Periodicals, Inc., A Wiley Company JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_10534725_v8_n3_p335_VerrengiaGuerrero
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic cadmium
copper
heavy metal
lead
nickel
river water
zinc
animal tissue
argentina
article
bioaccumulation
concentration
environmental monitoring
fish
hepatopancreas
liver
mollusc
nonhuman
snail
water pollution
spellingShingle cadmium
copper
heavy metal
lead
nickel
river water
zinc
animal tissue
argentina
article
bioaccumulation
concentration
environmental monitoring
fish
hepatopancreas
liver
mollusc
nonhuman
snail
water pollution
Verrengia Guerrero, N.R.
Kesten, E.M.
Levels of heavy metals in biota from the la plata river
topic_facet cadmium
copper
heavy metal
lead
nickel
river water
zinc
animal tissue
argentina
article
bioaccumulation
concentration
environmental monitoring
fish
hepatopancreas
liver
mollusc
nonhuman
snail
water pollution
description In this study levels of five heavy metals—Cd, Cu, Ni, Pb, and Zn—were quantified in selected tissues of aquatic organisms and in sediments from the La Plata River. Fishes (Odontesthes bonariensis and Pimelodus clarias), snails (Ampullaria insularum), and bivalve molluscs (Neocorbicula limosa) were collected from a Recreational Fishing Association, nearby Buenos Aires harbor, during 1988 and 1989. Samples of snail hepatopancreas showed higher levels of metal concentrations than samples of fish livers, regarding the five metals quantified. In general, lower levels of heavy metals were observed in whole body samples of bivalves, with or without the gut contents, except for Cd. Both species of macroinvertebrates have demonstrated a great ability to bioaccumulate Cd. Many physical, chemical, and biological factors regulate the intake and accumulation of heavy metals by aquatic organisms. Therefore, it is difficult to assess the extent of pollution in biota from the La Plata River by direct comparisons with data previously reported in the literature. However, our results may be useful as reference levels of heavy metal contamination in selected organisms from this particular aquatic system. © 1993 John Wiley & Sons, Inc. Copyright © 1993 Wiley Periodicals, Inc., A Wiley Company
format JOUR
author Verrengia Guerrero, N.R.
Kesten, E.M.
author_facet Verrengia Guerrero, N.R.
Kesten, E.M.
author_sort Verrengia Guerrero, N.R.
title Levels of heavy metals in biota from the la plata river
title_short Levels of heavy metals in biota from the la plata river
title_full Levels of heavy metals in biota from the la plata river
title_fullStr Levels of heavy metals in biota from the la plata river
title_full_unstemmed Levels of heavy metals in biota from the la plata river
title_sort levels of heavy metals in biota from the la plata river
url http://hdl.handle.net/20.500.12110/paper_10534725_v8_n3_p335_VerrengiaGuerrero
work_keys_str_mv AT verrengiaguerreronr levelsofheavymetalsinbiotafromthelaplatariver
AT kestenem levelsofheavymetalsinbiotafromthelaplatariver
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