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International conference on the conservation of high mountain lakes and mires
The event will bring together around a hundred experts to share the latest advances in the conservation and ecological restoration of mountain aquatic ecosystems. Organised by the project LIFE RESQUE ALPYR, it will include the presentation of the project’s main achievements, as the initiative comes to an end in 2026. The International Conference on the…
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From research to action: restoring high mountain lakes in the Pyrenees
Once again, the LIFE RESQUE ALPYR project took part in the Nit del CEAB, an event aimed at bringing science closer to the public and providing first-hand insight into the research being carried out to understand, protect and restore the natural environment. The event took place on 25 September at the Centre for Advanced Studies…
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Success of the rotenone pilot trial in Tres Estanys
The first observations carried out following the intervention at the lakes of Tres Estanys del Mig and Tres Estanys de Baix, in Alt Pirineu Natural Park, confirm the complete eradication of minnows (Phoxinus spp.) and provide evidence of the first signs of ecological recovery. The presence of this fish in the Catalan Pyrenees is the…
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LIFE RESQUE ALPYR: restoring to conserve
Removing fish from a mountain lake, installing fences in a peatland, or restoring traditional mowing practices in a wet meadow may raise questions among people who visit or live near these natural areas. Why are these actions being carried out? What impact do they have on biodiversity? And how do we know they are the…
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Protecting the Biodiversity of High-Mountain Lakes
High-mountain lakes are often perceived as pristine natural environments, far removed from human pressure and seemingly untouched. However, this idyllic image does not always reflect reality. Even in these remote ecosystems, human activity has left its mark on biodiversity. On the occasion of the International Day for Biological Diversity, the LIFE RESQUE ALPYR project highlights…
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From lake to land: Are introduced fish affecting animals on land?
Many high mountain lakes were originally fishless. However, in recent decades, fish have been introduced into these lakes for recreational fishing. This brought unexpected consequences for the ecosystem, affecting not only aquatic life but also animals on land. The insects that inhabit lakes are often larval stages that will metamorphosize and eventually emerge as flying…
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2025 at a Glance: Key Advances of the LIFE RESQUE ALPYR Project
A new edition of the annual LIFE RESQUE ALPYR project newsletter is now available in the Publications section of our website, where you can find information on the most relevant aspects of this year 2025. In this fourth —and penultimate— year, all planned conservation actions have been successfully carried out. In addition to the annual…
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Over 1,000 participants in environmental outreach activities in 2025
Raising awareness of the richness and importance of high-mountain aquatic habitats is also one of the main objectives of the LIFE RESQUE ALPYR project. For this reason, in addition to conservation actions and scientific monitoring, the project includes an ambitious program of environmental outreach and dissemination of results. In 2025, a total of 1,036 people…
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Significant Progress Ahead of the Final Year of Lake Restoration Work
Eradication efforts targeting introduced fish in the high‑mountain lakes of the Pyrenees are progressing well and moving into the final summer campaign of the project. In the fourth year of work, some of the lakes included in the LIFE RESQUE ALPYR project have already reached the planned objectives. In the Colomers cirque in the Aran…
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Pioneering pilot test for the ecological restoration of high mountain lakes using a biodegradable piscicide
The pilot test, which will start this week, aims to eliminate introduced species and restore the ecological balance of these high-mountain ecosystems. The trial will involve the use of rotenone, a biodegradable ichthyocide. The results of the action will provide essential data to evaluate the effectiveness and safety of this product, contributing to the development…
