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Toxicidade aguda de Roundup para larvas de acará-bandeira (Pterophyllum scalare)

Authors: Fabrício Menezes Ramos; Anderson da Silva Brito; Gabriel Vitor de Jesus; Joeliton dos Santos Sousa; Higo Andrade Abe; Natalino da Costa Sousa; Sandra Soares dos Santos; +1 Authors

Toxicidade aguda de Roundup para larvas de acará-bandeira (Pterophyllum scalare)

Abstract

O herbicida Roundup é o agrotóxico mais utilizado no mundo, atuando como inibidor do crescimento das plantas daninhas, no entanto seu uso intensivo compromete o ambiente aquático afetando a saúde dos peixes. O presente trabalho teve como objetivo determinar a concentração letal (CL(50-96h)) do herbicida Roundup® em larvas recém-eclodidas de acará-bandeira (Pterophyllum scalare), avaliando a sobrevivência dos organismos. Para tanto, utilizou-se 240 larvas de acará-bandeira, expostas as concentrações crescentes de 0,0; 1,85; 3,7; 7,4; 11,1; 14,8 mg.L-1, todos com quatro repetições com duração de 96 horas. Os resultados foram obtidos pelo método Trimmed Sperman Karber, demonstrando que a CL(50-96h) foi de 9,25 mg.L-1, apresentando limite inferior de 8,325 mg.L-1 e superior de 10,36 mg.L-1, sendo classificado como um xenobiótico moderadamente tóxico para a espécie. Portanto, esse trabalho contribui para a determinação de valores sobre o herbicida Roundup® para espécies nativas da Amazônia.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold