Environmental DNA survey indicates arrival of quagga mussel in Ticino River basin

Submitted: 21 November 2022
Accepted: 17 March 2023
Published: 5 April 2023
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The quagga mussel Dreissena rostriformis bugensis is an invasive species that has recently spread to Western Europe, causing major impacts on aquatic ecosystems and human activities. We considered lakes Lugano and Maggiore (Ticino River basin, Italy and Switzerland) to be at high risk of colonization due to leisure boat traffic from already-colonized lakes. We performed an environmental DNA based survey to detect any quagga mussel invasions in these lakes as early as possible. The results of the survey confirmed the presence of this species in the lakes and support the use of molecular approaches for the early detection of invasive mussels.



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Edited by

Ester Eckert, National Research Council, Water Research Institute (CNR-IRSA), Verbania Pallanza, Italy

Supporting Agencies

Department of the Territory of Canton Ticino, Switzerland

How to Cite

Capelli, Camilla, Federica Mauri, Elisa Pianta, Federica Rotta, and Fabio Lepori. 2023. “Environmental DNA Survey Indicates Arrival of Quagga Mussel in Ticino River Basin”. Journal of Limnology 82 (1). https://doi.org/10.4081/jlimnol.2023.2105.