Dead fish in Germany: toxic algae possibly involved

Dead fish in Germany: a toxic algae possibly involved

A microalga could be the cause of the death of 100 tons of fish in the Oder river which crosses Germany and Poland, according to experts.

Authorities in Germany and Poland said on Monday they suspected toxic algae was largely responsible for the death of more than 100 tonnes of fish in the Oder River that crosses the two countries.

Examinations conducted so far have confirmed the presence of toxic algae Prymnesium parvum, Polish Deputy Environment Minister Jacek Ozdoba tweeted.

On the German side, the latest results from the Leibniz Institute and the University of Vienna support the suspicion that the mass development of a toxic algae could be responsible for the death of fish, added a door -spokesman for the German Environment Ministry, Andreas Kübler, at a regular press conference in Berlin.

The spokesperson, however, pointed out that the causes explaining such a massive death of fish and mussels were multiple.

The incriminated microalgae, also called golden algae, is common in estuaries and normally develops in brackish waters with a lower salt content than the sea.

If it has been able to proliferate at This point in the fresh waters of the Oder indicates abnormal salinity in the river, which could have industrial causes, the spokesman pointed out.

The high level salt may also have been favored by low water levels and high temperatures, according to experts.

Dead fish float in the shallow waters of the German-Polish border river Oder near Genschmar in eastern Poland. Germany, Friday, August 12, 2022.

Berlin and Warsaw are working to establish the cause of this massive pollution of the Oder, the extent of which was revealed in mid-August.

On both sides it was suspected early on that chemicals played a role. Polish Environment Minister Anna Moskwa later clarified, however, that none of the samples tested so far had shown toxic substances.

The disaster has somewhat strained relations between the two countries. Germany thus accused Poland of having delayed informing it of the extent of the pollution.

On Saturday, Anna Moskwa put warns of fake news [fake news] circulating in Germany, after Brandenburg's Environment Minister hypothesized pesticide in water.< /p>

The Polish Minister drew a parallel with earlier statements by the authorities of this Land according to which traces of mercury had been detected in the water, an assertion which does not hold true. was not verified.

In Poland, the government has come under fire for not taking swift action.

The first reports of mass fish kills in the Oder came from Polish locals and anglers as early as July 28.

These latest years, the Oder was known to be a river e relatively clean, with around 40 species of fish living there.

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