Has Lake Orta completely recovered from its heavy polluted condition? A seventy years long history

Submitted: 9 December 2011
Accepted: 9 December 2011
Published: 1 August 2001
Abstract Views: 1565
PDF: 673
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Taking in account the results obtained from the 16 previous papers, the present conditions of Lake Orta are stated. While chemical features are now almost normal, it was demonstrated that sediments still contain large amounts of heavy metals in the upper 10 cm and are thus to be considered still toxic for benthic fauna. Algal community shows evidence of increasing complexity and stability, so does zooplankton, albeit to a lesser extent. Benthic fauna is still affected by past water pollution and is very poor both in number of species and of individuals.

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BONACINA, Carla. 2001. “Has Lake Orta Completely Recovered from Its Heavy Polluted Condition? A Seventy Years Long History”. Journal of Limnology 60 (2):285-87. https://doi.org/10.4081/jlimnol.2001.1.285.

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