Chronological

All articles.

Sebastian Lemke at his desk in the new e.Ray office in Darmstadt
Note May 2026

New Spaces in Darmstadt

300 m² at the central station: two offices, workshop, hall and a water biotope field for research. A walkthrough in eleven images.

2 min read
Eutrophic lake with cyanobacteria mat at the surface
WAMO Lab April 2026

How a Lake Tips – four stages, one cascade

Eutrophication runs in stages. Why stratification, oxygen depletion and phosphate release from the sediment push a lake into a second stable state – and why the way back is longer than the way in.

8 min read
WAMO 220 deployed at Lake Sickenhof
In Conversation April 2026

“What is not measured cannot be managed”

A limnologist on the new pressures on our waters – and why the tools of the 1970s are no longer enough today.

4 min read
Vorpommern-Greifswald × Mecklenburgische Seenplatte – lake landscape seen from above
Region January 2025

Two Districts – One Vision

The districts of Mecklenburgische Seenplatte and Vorpommern-Greifswald in particular are deploying innovative technologies to preserve the quality of these unique natural resources.

4 min read
WAMO monitoring station at sunset over a calm lake
Project September 2024

Augustus the First – 21 WAMOs for Mecklenburg-Vorpommern

How a Smart City model project digitises water monitoring from Tollensesee to Reitbahnsee.

3 min read
Cyanobacteria bloom · blue-green algae at the water surface
Long-Read August 2023

The Unexpected Power of Cyanobacteria

10 facts on their impact on environment and climate – from the oldest life form on Earth to the most toxic agents now measurable in bathing lakes.

5 min read
WAMO station on the lake
Award December 2021

Galileo Masters: Overall Win for WAMO

On 14 December 2021, e.Ray was named overall winner of the Galileo Masters innovation competition – the first time the title goes to Hesse.

3 min read