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Artículo

Metabolic and physiological responses of a coastal fish in highly and lightly impacted habitats

Blasina, Gabriela ElizabethIcon ; Ronda, Ana CarolinaIcon ; Botté, Sandra ElizabethIcon ; Molina, Juan ManuelIcon ; Labudía, Ana CarolinaIcon ; Marcovecchio, Jorge EduardoIcon ; Lopez Cazorla, Andrea CeciliaIcon
Fecha de publicación: 09/12/2020
Editorial: Elsevier Science
Revista: Journal of Marine Systems
ISSN: 0924-7963
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Oceanografía, Hidrología, Recursos Hídricos

Resumen

Coastal and estuarine zones are used by fish as nursery, spawning and feeding grounds. However, these essential habitats are characterized by the presence of both natural and anthropogenic stressors that may represent potential threats for the wellbeing of aquatic organisms, particularly fish. The main objective of this study was to evaluate and understand the effects of environmental stressors, both natural and anthropogenic, on coastal fish species using Ramnogaster arcuata as bioindicator. Fish were captured in two zones with different human activity levels: a highly impacted zone in Bahía Blanca Estuary (BBE) and a lightly impacted zone in the adjacent coastal zone (ACZ). Various indicators were used to determine fish responses to environmental stress. Main differences found between fishes from the two zones were in the condition index, trophic ecology (including feeding activity and diet composition) and liver metabolic biomarkers (ALT/AST enzymes, protein levels and lipid peroxidation). On the other hand, metal concentration levels analyzed in muscle did not show important differences between both environments. Physiological responses of R. arcuata from both zones were strongly correlated with natural stressors.
Palabras clave: BIOMARKERS , METAL CONCENTRATION , OXIDATIVE STRESS , SOMATIC INDEXES , TROPHIC ECOLOGY
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/139099
DOI: https://doi.org/10.1016/j.jmarsys.2020.103423
URL: https://www.sciencedirect.com/science/article/abs/pii/S0924796320301196
Colecciones
Articulos(IADO)
Articulos de INST.ARG.DE OCEANOGRAFIA (I)
Citación
Blasina, Gabriela Elizabeth; Ronda, Ana Carolina; Botté, Sandra Elizabeth; Molina, Juan Manuel; Labudía, Ana Carolina; et al.; Metabolic and physiological responses of a coastal fish in highly and lightly impacted habitats; Elsevier Science; Journal of Marine Systems; 212; 9-12-2020; 1-11; 103423
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