Listen to the podcast on the topic
You can find out more about the quagga mussel in the corresponding episode of the "Waterproof" podcast from the Ruhrverband.
You can find it on all streaming services for podcasts.
Tourismus NRW e.V. / Agentur Plan B
Quagga mussel
The Sauerland-Seen are special natural and recreational areas and offer a wide range of opportunities for water sports, fishing and relaxing hours by the water. To ensure that the waters retain their high ecological quality in the future, responsible management is crucial.
An increasing challenge is posed by the quagga mussel, an invasive species that has now also been detected in some of the Sauerland-Seen and can affect the ecological balance of the waters.
On this page, you can find out more about the quagga mussel, which regulations apply to recreational users and how you can take simple measures to help protect the Sauerland-Seen and their unique nature.
You can find more detailed information directly from the Ruhrverband.
Special case Hennesee
- What is the quagga mussel?
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The quagga mussel is an invasive freshwater mussel that is spreading in many European waters and can have ecological consequences for the flora and fauna of the local Sauerland-Seen lakes.
More information from the Ruhrverband - Why is it a problem for our Sauerland-Seen?
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As the quagga mussel is an invasive species, it can multiply rapidly, displace native species and also affect technical facilities such as water pipes or jetties.
More information from the Ruhrverband - How does the quagga mussel get into new waters?
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It is often introduced unnoticed via boats, water sports equipment or fishing tackle if these are not thoroughly cleaned after use (microscopic eggs/larvae).
More information from the Ruhrverband - What can I do as a guest?
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You can help with simple measures: Clean the boat and equipment, empty the water and allow everything to dry thoroughly (AHOI rules). You can find all of the Ruhrverband's rules and regulations at the Ruhrverband.
To the website of the Ruhrverband - Are there any restrictions on the use of lakes and water sports?
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The Sauerland-Seen can still be used for leisure and water sports. It is only important that all visitors observe the protective measures and adhere to the regulations. Special regulations apply to the Hennesee, so that you may only use boats with fixed moorings and other water sports equipment (SUPs, kayaks, schaluch boats, etc.) from stationary rentals.
More information from the Ruhrverband - Where can I find more information?
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You can find the latest information and rules at any time on the Ruhrverband homepage. We and our tourism partners also provide regular information via our social media channels.
To the website of the Ruhrverband