Plastic rafting: the invasive species hitching a ride on ocean litter

There is now so much ocean plastic that it has become a route for invasive species, threatening native animals with extinction...Plastic rafting poses a huge and mostly unknown danger. Invasive species that ride plastic litter to new shores can reduce habitats for native species, carry disease (micro-algae is a particular threat), and put further strain on ecosystems already pressured by overfishing and pollution. 

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