Field accumulative behavior of organochlorine pesticides. The role of crabs and sediment characteristics in coastal environments.

Field accumulative behavior of organochlorine pesticides. The role of crabs and sediment characteristics in coastal environments. Research Abstract Details 

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Field accumulative behavior of organochlorine pesticides. The role of crabs and sediment characteristics in coastal environments. Abstract Text:

Mirta L Menone,Karina S B Miglioranza,Florencia Botto,Oscar Iribarne,Julia E , Moreno,

The influence of intertidal crab beds on the concentrations of organochlorine (OC) pesticides in sediment was studied in two different coastal environments in Argentina. Samples of male burrowing crabs (Chasmagnathus granulatus) were collected for this study. Our field data showed lower bioaccumulation of OC pesticides in crabs from sediments with a higher total organic carbon (TOC) and higher clay content. Thus, concentrations in crabs depend on the physico-chemical characteristics of the sediment where they live more than on the OC pesticide concentrations in the environment. The distribution patterns in sediment from inside and outside crab burrows were similar for both coastal areas being HCHs > or = gamma-chlordane > p,p'-DDE for San Antonio Bay (SAO), and HCHs > p,p'-DDE > or = gamma-chlordane for Mar Chiquita (MCh) coastal lagoon. OC pesticide concentrations in sediment were significantly lower inside than outside crab burrows, irrespective of the sediment physico-chemical characteristics due to the bioturbation activity of C. granulatus.

Field accumulative behavior of organochlorine pesticides. The role of crabs and sediment characteristics in coastal environments. Publishing Authors By Initials

ML Menone,KS Miglioranza,F Botto,O Iribarne,JE ,VJ Moreno,

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Field accumulative behavior of organochlorine pesticides. The role of crabs and sediment characteristics in coastal environments. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Marine pollution bulletin

VOLUME: 52

Page Numbers: 1717-24

Journal Abbreviation: Mar. Pollut. Bull.

ISSN: 0025-326X

DAY: 18

MONTH: 09

YEAR: 2006

Field accumulative behavior of organochlorine pesticides. The role of crabs and sediment characteristics in coastal environments. Information

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LANGUAGE: eng

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AFFILIATION: Laboratorio de Ecotoxicología, Departamento de Ciencias Marinas (FCEyN), Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Buenos Aires, Argentina. lujanm@mdp.edu.ar

Country: England

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MEDLINETA: Mar Pollut Bull

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