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Non-natives consume less than native species

April 20, 2018 – Amphipods play a key role in freshwater ecosystems. In her doctoral research at Eawag, biologist Chelsea Little discovered that invasive amphipod species consume much ...

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The Rhine serves as a drinking water reservoir for Basel. On transboundary rivers, regulation of water quality poses major challenges. Source: Norbert Aepli
April 16, 2018

What is the contribution of upstream areas to micropollutant loads in the Rhine at Basel and Düsseldorf? How effectively do authorities and water suppliers collaborate on management and regulation across national boundaries? An interdisciplinary approach developed by Eawag scientists can help to identify deficiencies. Read more

Typischer Grundwasserbrunnen in Peru (Foto: Caroline de Meyer, Eawag)
April 10, 2018

Faced with polluted river water, rural communities or aid agencies often drill groundwater wells to obtain water supplies. But data collected systematically for the first time in the Amazon basin show that this “solution” can create new problems: the groundwater may contain elevated concentrations of arsenic, manganese and aluminium – up to 70 times over the recommended limit in the case of arsenic, and up to 15 times for manganese. Read more

The elimination of aquatic environments of adequate size (here on the Doubs near la Motte / JU) is controversial in many areas (Photo: Foen, Ex-Press, Herbert Böhler & Flurin Bertsch).
April 5, 2018

Financial support and the further increase in hydroelectric power, negative effects of plant protection agents and the destruction of aquatic environments were the major themes in Swiss water policy in the year 2017. Read more