Lémaniques no. 134 - Amphibians and reptiles of the Lake Geneva region: 78% of threatened species!
This new issue of Lémaniques puts the spotlight on these discreet lakeside inhabitants, whose ecological role is nonetheless fundamental. From the Common Natterjack to the Viperine Snake and the rare Green Treefrog, this panorama provides an alarming but fascinating overview of the local herpetofauna. You will discover why these species are excellent indicators of [...]
Lémaniques no. 133 - "Bloom!
In this issue, find out more about a subject that is a major concern for Lake Geneva: algal blooms. These algal and cyanobacterial 'blooms', although natural, can sometimes proliferate excessively and unbalance the lake's ecosystem. These events, which are exacerbated by climate change, have a number of negative impacts on recreational activities, commercial fishing, water supply and the environment.
Lémaniques no. 132 - "Plastic deluge in Lake Geneva: STOP!
The impressive annual input of plastic into Lake Geneva revealed by an ASL study: Léman Plastic Action In this issue of Lémaniques magazine, find out more about the Léman Plastic Action study, conducted by ASL in collaboration with Earth Action. This is an update of an initial scientific study commissioned by ASL in 2018, which showed that the [...]
Lémaniques n°131 "I've got a crush on Lake Geneva!
In our region, of the four native crayfish species, one is on the brink of extinction, two are endangered and one is vulnerable. Once widespread, they are now confined to a small number of protected environments. What are the reasons for their decline? Are exotic species the only threat to native species? Find out more [...]
Lémaniques n°130 "So that water creates life in the city".
Reinventing the city through desilting? At the heart of climate and environmental issues, the management of rainwater is proving crucial in our modern cities. Once lush and green, our cities have gradually given way to concrete and asphalt, altering the water cycle. This urban desilting project, far from being a utopian dream, offers practical solutions [...]
Lémaniques n°129 "Water doesn't flow from the source
Water doesn't flow from the source Discover the exciting issues at stake in the Lake Geneva basin in the latest edition of the ASL's quarterly magazine! Explore the debate between Man and Nature in the management of water in the Lake Geneva region, with the Rhône playing a central role. How do Alpine water catchments impact on the environment?
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The power of the Great Lakes What do you know about the world's Great Lakes, including Lake Geneva? This issue of Lémaniques sketches out a geography of the Great Lakes, presenting the diversity and complexity of their functions and the services they provide, while at the same time attempting to provide a simplified answer to the question "what makes them tick?
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Plastics, the 11th plague... of the planet Indigest but edifying, the figures: 99 % of plastics are manufactured from fossil energy, 9.2 trillion tonnes since the 1950s, almost quadruple by 2050. All this plastic is virtually non-biodegradable, but potentially recyclable. Unfortunately, only 9 % is actually recycled, 12 %, [...]
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Halting knotweed after 10 seasons of uprooting means: 53,000 kg of plants removed since 2018 11,000 hours of work (person equivalent) 51,544 m2 of shoreline under control 240 stations around Lake Geneva combined 800 volunteers Find out more about this large-scale operation initiated by the ASL
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From cathedral windows to dubious soft toys... ... what contrasts, what variety of lifestyles the wealth of aquatic species is capable of displaying! Splendid algae, alas invisible to the naked eye, miserable teddy bears that are almost extraterrestrial, extremely soft but so touching and just as discreet - these are also the guests of our waters that we don't usually admire [...].
