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Removal of introduced fish as a restoration measure in high mountain lakes

AutorPou-Rovira, Quim; Cruset, Eloi; Font, Blanca; Jurado, Ismael; Cases, Meritxell; Buchaca, Teresa CSIC ORCID ; Sabas, Ibor CSIC ORCID CVN ; Miró, Alexandre CSIC ORCID ; Osorio, Víctor CSIC ORCID; Puig, Mariàngels CSIC ORCID ; Ventura, Marc CSIC ORCID
Fecha de publicación2019
EditorCSIC - Centro de Estudios Avanzados de Blanes (CEAB)
CitaciónRemoval of introduced fish as a restoration measure in high mountain lakes. In: Life+ Limnopirineus: Conservation of aquatic habitats and species in high mountains of the pyrenees. Technical report. E. Carrillo, J. Ninot, T. Buchaca and M. Ventura. Blanes, LIFE+ LIMNOPIRINEUS Technical Office: 7-27 (2019)
ResumenAmong the objectives of the LIFE+ LimnoPirineus project (2014-2019) was the ecological restoration of eight Pyrenean lakes, and the recovery or improvement of populations of various species of community interest in these lakes, through the eradication or intensive control of up to four species of introduced fish. In most of the lakes, the operational objective was eradication, while in only one of them the objective was simply to carry out intensive control to reach at least a 75% reduction of the initial population. At the end of 2019, these objectives were fully achieved for five of the lakes, while in the three remaining lakes, they are close to being achieved probably before the end of 2020. Fish extraction methods were conducted based on the combination of up to three main catch techniques; nets, traps and electrofishing. It has shown that the eradication of fish is feasible in many high mountain lakes, through sufficient investment in material and human resources, and with proper planning of operations. When eradication is not feasible, intensive control through a sustainable effort over time is also an alternative to consider in the medium term.
DescripciónE. Carrillo, J. Ninot, T. Buchaca and M. Ventura. Blanes, LIFE+ LIMNOPIRINEUS Technical Office
URIhttp://hdl.handle.net/10261/226758
ISBN978-84-18199-17-2
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