Domestic panorama 2018/2

Tuesday, June 19, 2018

Author: Gábor Szunyogh

 

Revolutionary changes in microplastic analysis


Following the first microplastic analyses in Hungary, samples taken in the catchment area of the river Tisza were analyzed again by the researchers. Microplastics could be detected in the samples taken from the Eger stream, a tributary of Lake Tisza, from the Great Morotva within the reservoir, and from the river Tisza at Tiszafüred.

It is an alarming phenomenon that, due to the use of large amounts of plastics, particles smaller than 5 mm, i.e., microplastics are also present now in fresh waters, posing environmental and food safety hazards, as they are concentrated in the bodies of aquatic organisms, and thus the organic contaminants (pesticides, drug residues) adsorbed on their surface can enter the bodies of fish.

The goal of the HappyFish project is to determine substances that influence the quality of fish meat, including microplastic analysis. Lake Tisza was selected by the experts of WESSLING Hungary Kft., leader of the project, as the sample area, because several types of water can be sampled here, and the water of the Tisza is used through channels by several East Hungarian fish farms.


 

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