Soils in Swiss nature reserves contain significant quantities of microplastics

Large microplastics (1-5 mm), mineral particles and plant remains from a floodplain soil of the river Maggia in the Canton of Ticino (Italian speaking part of Switzerland). Source: Institute of Geography, University of Bern

Almost all nature reserves affected

Also small balloons eventually turn into microplastics: remains of a balloon in a floodplain soil in the Vallée de Joux in the Canton of Vaud. Source: Institute of Geography, University of Bern

Effects on plants and food chain unknown

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