IADO 05364
INSTITUTO ARGENTINO DE OCEANOGRAFIA
Unidad Ejecutora - UE
artículos
Título:
Use of biomarkers in resident organisms as a tool for environmental monitoring in a cold coastal system, Tierra del Fuego Island
Autor/es:
COMOGLIO, L.; AMÍN, O.; BOTTÉ, S.E.; MARCOVECCHIO, J.E.
Revista:
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Editorial:
ACADEMIC PRESS INC ELSEVIER SCIENCE
Referencias:
Año: 2010
ISSN:
0147-6513
Resumen:
Use of biomarkers in resident organisms as a tool for environmental
monitoring in a cold coastal system, Tierra del Fuego Island
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Antioxidant status of
Nacella (P)
magellanica and Mytilus
edulis related with heavy metal in sediment and tissues were analysed
in five stations close to Ushuaia city in winter and spring. The principal component
analysis produced a two-dimensional pattern of the degree of similarity between
sites. The Industrial Urban Contamination Index (IUCI) showed that the Industrial
Zone (IZ) and Oil Marine Station (OMS) represent areas with anthropic inputs. Heavy
metals have differential association with biomarkers depending on the species. In
limpets, digestive gland presented major activities of enzyme defence in winter
and gonad shave shown higher values of Catalase (CAT) during spring while lipid
peroxidation (LPO) presented higher values in IZ. For mussels CAT and LPO increased
in spring time. For superoxide dismutase (SOD) peaks have been detected in IZ and
NW stations for winter. Differences in biomarker responses due to seasons did not
influence the grouping of the sites into references and contaminated groups.
