Mass fish deaths in German-Polish river 'probably' caused by

Mysterious mass fish kill in Oder River expands – DW – 09/05/2022

Spain busts group that smuggled thousands of tonnes of electronic

জার্মানি-পোল্যান্ডের নদীতে মাছের

Germany and Poland search for cause of mass fish die-off in river Oder

Algae most likely cause of fish deaths in Oder River – DW – 09/30/2022

Oder river: mystery of mass die-off of fish lingers as no toxic substances found, Rivers

Oder river: Mystery surrounds thousands of fish deaths

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Germany and Poland search for cause of mass fish die-off in river Oder

Toxic algae blamed for 300 tons of dead fish in Oder River on German-Polish border: A man-made environmental disaster - CBS News

Poland pulls 100 tonnes of dead fish from Oder river after mystery mass die-off, Poland

Could a mass fish die-off in the Oder River happen again? – DW – 06/20/2023

Rare toxic algae behind fish deaths in river Oder, say researchers

BMUV: Oder fish die-off: Salt discharges caused mass proliferation of toxic alga