Please use this identifier to cite or link to this item:
Title: Environmental pollution and natural populations: A biomarkers case study from the Iberian Atlantic coast
Author: Quintaneiro, C.
Monteiro, M.
Pastorinho, R.
Soares, A. M. V. M.
Nogueira, A. J. A.
Morgado, F.
Guilhermino, L.
Keywords: Crangon crangon
Battery of biomarkers
Monitoring program
Issue Date: 2006
Publisher: Elsevier
Abstract: The degradation of estuaries is a result of human activities which overloads the environment with substances of both industrial and/or natural origins. Bioindicators have been consistently used to interpret effects of contaminants in the environment. In this study, the use of biomarkers (particular measurable characteristics of a bioindicator organism) was used to evaluate the contamination by xenobiotics of Crangon crangon natural populations. The central aim was to evaluate the capability of a battery of biomarkers to discriminate sites with different types of contamination. The activity of the enzymes cholinesterases (ChE), lactate dehydrogenase (LDH) and glutathione Stransferases (GST) were used as biomarkers. In addition, the ChE form(s) present in the cephalotorax of C. crangon were characterised. Organisms were seasonally sampled from winter 2001/2002 to autumn of 2002, at "reference" sites and at sites that receive agricultural, industrial and/or urban effluents. Results obtained in the characterisation of ChE with different substrates and selective inhibitors demonstrate that the form of ChE present in the cephalotorax of C crangon shows proprieties of vertebrates' AChE and therefore it may be classified as true AChE-like ChE. The battery of biomarkers exhibited seasonal and local variations, apparently related to agricultural, industrial or urban effluent contamination. The tested biomarkers proved to be able to discriminate sources of environmental contamination, and confirms C crangon as a sensitive species suitable to be used as a bioindicator. (c) 2006 Published by Elsevier Ltd.
Peer review: yes
DOI: 10.1016/j.marpolbul.2006.04.002
ISSN: 0025-326X
Appears in Collections:CESAM - Artigos
DBio - Artigos
PT Mar - Artigos
Ria de Aveiro - Artigos

Files in This Item:
File Description SizeFormat 
126_MarPollBull_2006_52_1406.pdf390.03 kBAdobe PDFrestrictedAccess

Formato BibTex MendeleyEndnote Degois 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.