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Author

J. L. Portinho

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Open access Sep 2026

The insecticide fipronil selectively reduces the net emergence of aquatic microinvertebrates from neotropical lake sediment egg banks.

Freshwater environments rely on the sediment dormant invertebrate stages for recolonization and the maintenance of biodiversity after environmental stressors. However, while these resting structures are resilient to natural physical extremes, the effects of anthropogenic contaminants on them remain poorly understood. S...

M. A. Machado, Caroline Nogueira Marcelino, Larissa Ferreira Brandão et al. · 0 citations
Open access Sep 2026

Dormant cysts are resistant to acute malathion toxicity, but hatching phenology is altered in Dendrocephalus brasiliensis (Crustacea: Anostraca)

Dendrocephalus brasiliensis Pesta, 1921 is an anostracan characteristic of temporary aquatic environments whose persistence depends on the viability of dormant cysts accumulated in the sediment. This study tested the hypothesis that nauplii are more sensitive to malathion than cysts and that exposure to the latter...

Deivid Arimatea Saldanha de Melo, J. L. Portinho, Odete Rocha · 0 citations

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