Measures should be implemented as quickly and comprehensively as possible, the Swiss Federal Institute of Aquatic Science and Technology (Eawag) said on Tuesday.
The measures must also be coordinated within Switzerland and with neighbouring countries, Eawag said in a statement.
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Can the spread of invasive quagga mussels be stopped in Switzerland?
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International research efforts are underway to tackle the spread of invasive mussels, which are filling deep lakes in Switzerland, changing ecosystems and damaging water supply infrastructure.
The recommendations are based on a new report compiled by Eawag experts on behalf of the Federal Office for the Environment and the Federal Expert Committee for Biosafety.
The quagga mussel, which originates from the Black Sea, has been spreading rapidly in Swiss waters for around ten years.
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Study: quagga mussels to spread massively in Switzerland
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A study of lakes in the United States and Switzerland shows that the invasive quagga mussel is spreading widely on both continents.
According to Eawag, the mussels are fundamentally changing ecosystems, which among other things means that fish are finding less food.
They are also clogging up water pipes, making expensive maintenance work necessary. Over the next 30 years, experts expect the number of mussels in Switzerland to increase by a factor of up to twenty.
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