locat southern brazil pampa biom has been under constant threat due improp manag human effluent use pesticid these contamin accumul main water resourc result chronic poison aquat biota date studi assess environment qualiti brazilian portion pampa biom have been undertaken therebi our main goal studi investig ecotoxicolog risk caus human activ santa maria river major water cours brazilian pampa biom brain muscl tissu were use determin oxid stress cholinesteras biomark fish astyanax expos urban agricultur effluent substanti decreas fish muscl acetylcholinesteras activ observ expos anim compar control kept under laboratori condit parallel increas lipid peroxid signific chang stressrespons antioxid enzym gst cat gpx trxr were detect fish brain signific increas gst activ report conclus our result show signific chang biomark water contamin astyanax captur santa maria river point import level water pollut region valid use astyanax biomonitor program within pampa biom border

Mauro Nunes

Fabio Wacker da Silva

Dennis Costa-Silva

Gabriel Luz Wallau

Thais Posser

Jeferson Luis Franco

Assessment of Water Pollution Signs in the Brazilian Pampa Biome Using Stress Biomarkers in Fish (<i>Astyanax </i>sp.)

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Journal of Ecosystems

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Table of Contents: 2015

Assessment of Water Pollution Signs in the Brazilian Pampa Biome Using Stress Biomarkers in Fish (Astyanax sp.)