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Mixing ensures optimal reoxygenation of deep waters. However, since 2012, this phenomenon has been partial. This winter, the masses of [...]
💧 Plastic pollution of aquatic environments is a worrying phenomenon that has been observed since the 1970s. With global production [...]
🔍 Lake Geneva under surveillance: a new record? 🔃 Every winter, an essential natural phenomenon is played out in [...].
Tribute to Jean Pelletier, deceased January 14, 2025 It is with deep gratitude that we pay tribute to Jean [...].
The International Commission for the Protection of the Waters of Lake Geneva (CIPEL) has published its annual scientific report, based [...].
"Nothing is permanent, except change. These words of Heraclitus take on their full meaning this year for CIPEL [...].
Thousands of plastic particles per m2 The study revealed an average of 7,600 particles of microplastics (0.3 mm [...]).
With the onset of hot weather, the risk of cyanobacteria proliferation in water bodies and around lakes is increasing.
☝️ Did you know that the legendary Jacques Piccard created a tourist submarine in 1964 to explore the depths of Lake Geneva?
Following the recent bad weather, several wastewater treatment plants (WWTPs) in Valais were severely affected. Although the majority of [... ]
Interview with Marc Babut conducted in 2021. Marc Babut, who was president of CIPEL's Scientific Council from 2018 to [...].
This winter, once again, the mixing of the waters of Lake Geneva was incomplete. Data from CIPEL, the French [...]
A renewed commitment to Lake Geneva 🤝 On Tuesday November 7 in Nyon, CIPEL held an important meeting [...].
The unbridled spread of the Quagga mussel in Lake Geneva is having a significant impact on its aquatic ecosystem and its [...].
Newly appointed to this key position following an international selection process, Nicole GALLINA takes over from [... ].
For the 10th year running, the waters of Lake Geneva have not been fully mixed: what are the consequences for the [...].
The 60th plenary session of CIPEL was held in Prévessin-Moëns on November 4, with the participation of elected representatives, experts [...].
The water temperature at the lake's surface did not exceed 21.1°C during the summer of 2021, and the [... ]
The water temperature at the lake's surface rose sharply compared with last month. It was 17 [...]
CIPEL and two NGOs set up a prevention campaign on the beaches of twenty-one towns on the shores of Lake Geneva. [...]
Quagga mussels have been expanding rapidly in Lake Geneva since 2015. Its development should stabilize within the next 4 to 5 [...].
Summer's here and what better way to cool off than with a dip in the waters of Lake Geneva?
The surface waters of Lake Geneva continue to warm (around +2°C compared with the April reading). [...]
Once upon a time, there was a lake... You tell the rest. Mysterious immensity, majestic mirror, unchained soul... nothing [...].
SPRING: Warm-up and restart of aquatic life (April-June) From spring onwards, the monitoring program for [...].
The natural environments of Lake Geneva CIPEL has just put together a beautifully illustrated exhibition to raise awareness of the [...].
February 6, 2021: The mixing reached a depth of 135 m. Compared with January, the mixing layer has [...]
We would like to inform you of the publication of a new limnological bulletin for Lake Geneva. It presents data on temperature, transparency and [...].
Reedbeds border the lake in only a few places. Composed of large herbaceous plants - such as the common reed [...]
