Mountain lakes of Mont Avic Natural Park: ecological features and conservation issues

Mountain lakes of a natural park

  • Rocco Tiberti | rocco.tiberti@gmail.com Department of Earth and Environmental Sciences (DSTA), University of Pavia; CNR-IRSA Water Research Institute, Verbania, Italy. https://orcid.org/0000-0003-1617-8826
  • Francesco Buscaglia Department of Earth and Environmental Sciences (DSTA), University of Pavia, Italy.
  • Marco Armodi Department of Earth, Environment and Life Sciences (DISTAV), University of Genoa, Italy.
  • Cristiana Callieri CNR-IRSA Water Research Institute, Verbania, Italy. https://orcid.org/0000-0002-5669-5724
  • Fabio Ribelli Department of Earth and Environmental Sciences (DSTA), University of Pavia, Italy.
  • Michela Rogora CNR-IRSA Water Research Institute, Verbania, Italy. https://orcid.org/0000-0003-3515-0220
  • Gabriele Tartari CNR-IRSA Water Research Institute, Verbania, Italy. https://orcid.org/0000-0002-3547-8392
  • Massimo Bocca Mont Avic Natural Park Authority, Champdepraz, Italy.

Abstract

Mountain lakes provide some fundamental ecosystem services (i.e., water supply for drinking and energy production) and have an enormous aesthetic and conservation value. Ecological knowledge on mountain lakes, however, is still scarce and limited to a few geographical areas and mainly to abiotic features. To fill this gap, a limnological campaign was carried out on 19 lakes of the Mont Avic Natural Park (Aosta, Western Italian Alps). Bathymetric maps of the lakes are provided in this paper, as is data on the lakes’ physical properties, chemistry, nano- and pico-plankton, zooplankton, littoral macroinvertebrates, amphibians and introduced fish. The aim of this study was to create a reference database of ecological data for the development of new studies and conservation measures/actions. To this end, ecological data are discussed from both a limnological and a conservation perspective, allowing for the identification of major threats affecting the lakes in the protected area. Despite local threats which include water exploitation, organic pollution, and introduced fish, water quality was good. Lake biota can however be affected by such threats, in particular introduced fish (Salmonidae and Cyprinidae), representing a challenging conservation problem.

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Published
2019-11-08
Section
Original Articles
Associate Editor
Francesca Bona, University of Turin, Italy
Keywords:
Lake morphometry, hydrochemistry, lake biota, protected areas, local threats, introduced fish
Statistics
Abstract views: 107

PDF: 36
Supplementary Tables: 10
Ecological data: 10
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How to Cite
1.
Tiberti R, Buscaglia F, Armodi M, Callieri C, Ribelli F, Rogora M, Tartari G, Bocca M. Mountain lakes of Mont Avic Natural Park: ecological features and conservation issues. jlimnol [Internet]. 8Nov.2019 [cited 8Dec.2019];. Available from: https://www.jlimnol.it/index.php/jlimnol/article/view/jlimnol.2019.1923