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“The fish are dying due to natural and climatic phenomena: high temperatures, heavy rains, lightning strikes. This could have led to a sudden drop in oxygen in the water,” says a document seen by BNS.
According to the Belarusian Ministry, after examining the Nemunas water near the border with Lithuania, it was found that the oxygen level was slightly higher than the norm: 7.05 milligrams per liter, the norm is 6 mg / l .
The document, signed by Deputy Minister Aleksandras Korbutas, indicates that no other contaminants, pesticides or others, were detected in Nemunas’ water samples.
Belarus also stated that it had resolved the situation by various means, including chlorinated lime.
According to the neighboring state, the situation is currently stabilizing.
Deputy Environment Minister Justina Grigaravičienė told BNS that a quick response was unexpected, but this probably proves that Belarusians care about the fish situation in the Nemunas.
“I’m glad that Belarusians reacted quickly and responded within two weeks, which is certainly not common. It usually takes longer (…) As they emphasized, the issue of fish in the Nemunas is also important to them, they are likely to be able to fix it, ”said the Deputy Minister.
According to her, it is possible that the fish died en masse due to natural causes.
“It just caught our eye then. Due to the rains, our experts are quite skeptical that it could have had a significant impact or lightning, but of course those natural conditions could have been,” said J. Grigaravičienė.
According to the Vice Minister, the use of chlorinated lime has also become popular with environmentalists.
“Our experts are a little skeptical about this method, although it is likely that it can be used because there is information that the use of chlor-lime can increase the amount of oxygen,” said the deputy minister.
After receiving information about the mass extinction of fish and animals in the Nemunas near Grodno, the Environmental Protection Agency took water samples from the Nemunas near Alytus and Druskininkai in mid-June.
The test results showed a slight decrease in the oxygen level, as well as a water temperature of 20-21 degrees. According to the agency, these high temperatures could have led to a decrease in oxygen.
Other water surveys have not recorded contamination in the Nemunas.
At the same time, in mid-June, Lithuania sent a note to Belarus to determine whether neighboring state authorities had registered contamination in the Nemunas.
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