‘Everything is quagga mussel now’: can invasive species be stopped? – podcast

On a recent trip to Lake Geneva in Switzerland, biodiversity reporter Phoebe Weston witnessed the impact of one of the planet’s most potent invasive species, the quagga mussel. In just a decade the mollusc, originally from the Ponto-Caspian region of the Black Sea, has caused irreversible change beneath the surface of the picturesque lake. While ecologists believe invasive species play a major role in more than 60% of plant and animal extinctions, stopping them in their tracks is almost impossible. Phoebe tells Madeleine Finlay how invasive species spread, how conservationists are trying combat them and why some think a radical new approach is needed. ‘It’s an open invasion’: how millions of quagga mussels changed Lake Geneva for ever Support the Guardian: theguardian.com/sciencepod Continue reading...

By Presented and produced by Madeleine Finlay, with Phoebe Weston, sound design by Ross Burns, the executive producer was Ellie Bury