Introduction
A recent study in the Amazon has brought to light an alarming discovery: tadpoles, the initial stages of amphibian development, already carry microplastics in their bodies. This is the first time researchers have found microplastics in these animals and in the bodies of water that serve as their habitat in the Amazon region.
The Discovery
The research team, led by ecologist Fabrielle Barbosa de Araújo from the Federal University of Pará, collected water samples from five temporary pools in the soil of the Gunma Ecological Park, in the Metropolitan Region of Belém. These pools are crucial areas for the reproduction and development of tadpoles of various amphibian species in the Amazon.
In each of the five bodies of water, the researchers collected one hundred tadpoles of the bathroom frog (Scinax x-signatus), a species found in both forest and urban areas, with a wide distribution in South America. The result was shocking: microplastics were found in all pools and in all analyzed tadpoles.
Types of Microplastics Found
Most of the microplastic particles found were composed of plastic fibers, such as polyester, mainly transparent, blue, and black. Similar fibers have already been identified in different parts of the Amazon, possibly originating from sanitary sewage and fishing activities.
Implications and Concerns
The discovery reinforces the evidence of microplastic contamination in the Amazon forest. The presence of microplastics in tadpoles and their habitats is a warning sign for the health of the Amazon ecosystem and for biodiversity as a whole.
In an interview, ecologist Fabrielle Barbosa de Araújo expressed her concern about the large quantity of microplastics found, especially considering that the study area has a low human population density and is considered relatively well-preserved.
Conclusion
Microplastic contamination in the Amazon is a problem that requires immediate attention. The presence of microplastics in tadpoles and their habitats is just one of many warning signs for the need to protect this unique and vital ecosystem for the planet.
Source / Reference: Mongabay