Eawag

Aquatic life, groundwater

But not extinct: Thanks to a targeted search, several specimens of the deep-water char (Salvelinus profundus), which is only native to Lake Constance, have been rediscovered.

Living things constantly release their DNA into their environment. This makes it easier for researchers to determine the biological diversity of an ecosystem.

Thanks to the gapmaps.org Internet platform, pollutant risks can be easily assessed and visualized worldwide.

Fish ladders actually contribute to improved genetic diversity.