Archive News

March 18, 2015An international research team led by Eawag, Bern University and the Bern Natural History Museum has shed light on the depths of alpine and prealpine lakes.

March 3, 2015Methane emissions are strongly reduced in lakes with anoxic bottom waters. But here – contrary to what has previously been assumed – methane removal is not due to archaea or anaerobic bacteria. A new study on Lake Cadagno in Canton Ticino shows that the microorganisms responsible are aerobic proteobacteria. The oxygen they require is produced in situ by photosynthetic algae.

May 21, 2014This year, with over 200 events in more than 40 countries, the international day of fish migration is being celebrated for the first time ever. Even the city of Lucerne is crossed by migrating fish.

February 25, 2014It has long been known that, in the form of free ions, silver particles can be highly toxic to aquatic organisms. Yet to this day, there is a lack of detailed knowledge about the doses required to trigger a response and how the organisms deal with this kind of stress.

January 22, 2014According to the proverb, constant dripping wears away the stone, but this is not the whole story: in limestone, a significant role in the formation of fissures and caves appears to be played by microorganisms.