Introduction
The Amazon, known for its rich biodiversity and ecological importance, faces a silent threat: microplastic contamination. Recently, a team of 50 people led by the NGOs Asas de Socorro and Rede Reviva conducted a trash collection action on the shores of Lake Puraquequara, in the eastern zone of Manaus. The action resulted in the collection of a dumpster full of plastic waste, highlighting the severity of the problem.
Eletuza Uchôa Farias' Master's Research
A master's research conducted by Eletuza Uchôa Farias revealed that half of the fish collected in the lake had ingested microplastics. These particles, once in the organism, can remain in the intestinal tract, reach other tissues and organs, and circulate through the food chain, from the base to predator fish — potentially reaching humans.
Types of Microplastics Found
All the particles found in the fish's intestines were fibers: thin and elongated filaments, with sizes between 0.5 and 4.37 millimeters. Most of them, 85.7%, were identified as polyamide, a polymer widely used by the textile industry for its resistance and flexibility.
Causes of Contamination
The surrounding area of Puraquequara is inhabited by communities without adequate basic sanitation services. In practice, water from sinks, tanks, and washing machines is discarded directly into the water bodies, contributing to microplastic contamination.
Consequences and Solutions
Microplastic contamination in the Amazon has severe consequences for biodiversity and human health. It is essential that solutions be implemented to reduce the amount of plastic waste in water bodies, such as improvements in basic sanitation and awareness campaigns about the importance of recycling and proper waste disposal.
Conclusion
Microplastic contamination in the Amazon is a problem that requires immediate attention. It is essential that joint actions be taken to reduce the amount of plastic waste in water bodies and protect biodiversity and human health.
Source / Reference: Mongabay