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Toxicidade dos metais pesados
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ISBN10: 620869034X
ISBN13: 9786208690342
Publisher: Edicoes Nosso Conhecimento
Published: Feb 26 2025
Pages: 84
Weight: 0.27
Height: 0.20 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786208690342
Publisher: Edicoes Nosso Conhecimento
Published: Feb 26 2025
Pages: 84
Weight: 0.27
Height: 0.20 Width: 6.00 Depth: 9.00
Language: Portuguese
Os resÃduos não tratados de origem industrial, tecnológica e agrÃcola que contêm vários compostos metálicos contaminam frequentemente as águas naturais. Os metais pesados, devido à s suas propriedades bioacumulativas e não biodegradáveis, constituem um dos principais grupos de poluentes aquáticos. Estes metais pesados são acumulados nos peixes através da superfÃcie geral do corpo, o que afecta gravemente o sistema de suporte de vida. Uma vez que estas substâncias tóxicas entram no corpo, danificam e enfraquecem o mecanismo em causa, conduzindo a perturbações fisiológicas, patológicas e bioquÃmicas. O comportamento é considerado um instrumento prometedor em ecotoxicologia. A utilização de alterações comportamentais em peixes é um ponto final de diagnóstico, para o rastreio e diferenciação de substâncias quÃmicas de acordo com o seu modo de ação. Assim, a presente investigação foi levada a cabo para avaliar o nÃvel exato de contaminantes de metais pesados e o seu impacto sobre as criaturas aquáticas.
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