Impact of microplastic contamination derived from human activities on anuran species

Ecotoxicological and Risk Assessment Perspectives of Micro(nano)plastic Pollution in Aquatic Organisms with Emphasis in Amphibians

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This ecotoxicological review synthesized evidence on microplastic and nanoplastic uptake, accumulation, and adverse effects in freshwater vertebrates and invertebrates, with particular focus on amphibians, documenting disruptions to reproduction, development, and immune function at environmentally relevant concentrations. Amphibians serve as sensitive ecological sentinels whose population declines from microplastic exposure signal broader ecosystem dysfunction that can propagate through food webs to affect the fish, birds, and mammals — including humans — that depend on healthy freshwater systems.

Influence of microplastic on the aquatic ecosystem

Ecotoxicological Consequences of Microplastics in Aquatic Life

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Researchers reviewed how microplastics — tiny plastic particles under 5mm — harm aquatic ecosystems, documenting that fish, invertebrates, and other marine life can ingest them, leading to physical damage, toxic chemical exposure, and disruptions to feeding and reproduction.

Microplastics: A Significant Threat to Freshwater Ecosystems

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This review assessed the mounting threats microplastics pose to freshwater ecosystems, noting that with only 7% of global plastic recycled annually, particles accumulate in rivers, lakes, and groundwater where they impair aquatic organisms through physical blockage, chemical toxicity, and pathogen transport. Freshwater systems are both critical biodiversity habitats and the source of drinking water for billions of people, making their contamination by microplastics a direct threat to human health through water consumption and food.

Emerging Threats of Microplastic Contaminant in Freshwater Environment

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Researchers reviewed how plastic waste breaks down into microplastics that contaminate freshwater systems, warning that rivers and lakes — sources of drinking water for billions — are increasingly polluted with persistent plastic particles that resist natural degradation.