This paper presents a synthesis of the most important studies performed on the deep insubrian lakes (Maggiore, Lugano, Como, Iseo and Garda). Samples taken continuously over the last decades form the basis for a description of the trophic evolution of the lakes, inferred from concentrations of algal nutrients and dissolved oxygen. The results show an improvement in the condition of Lake Maggiore, currently approaching oligotrophy, and in that of lakes Como and Lugano, which are still nevertheless in an unacceptable eutrophic state. Lake Garda has been affected by an increase in mean P concentration since the 1970s, but it has stabilised in recent years. Also in Lake Iseo P concentration has not changed in the last twenty years, but the lake still remains in an eutrophic condition. It is noteworthy that the consequences of eutrophication are accentuated by the incomplete circulation of most of these

Mosello, R., Ambrosetti, W., Arisci, S., Bettinetti, R., Buzzi, F., Calderoni, A., et al. (2010). Trend of water quality of the deep subalpine lakes in relation to anthropic pressure and climate - Evoluzione recente della qualità delle acque dei laghi profondi sudalpini (Maggiore, Lugano, Como, Iseo e Garda) in risposta alle pressioni antropiche e alle variazioni climatiche. BIOLOGIA AMBIENTALE, 24(1), 167-177.

Trend of water quality of the deep subalpine lakes in relation to anthropic pressure and climate - Evoluzione recente della qualità delle acque dei laghi profondi sudalpini (Maggiore, Lugano, Como, Iseo e Garda) in risposta alle pressioni antropiche e alle variazioni climatiche.

GARIBALDI, LETIZIA;LEONI, BARBARA;
2010

Abstract

This paper presents a synthesis of the most important studies performed on the deep insubrian lakes (Maggiore, Lugano, Como, Iseo and Garda). Samples taken continuously over the last decades form the basis for a description of the trophic evolution of the lakes, inferred from concentrations of algal nutrients and dissolved oxygen. The results show an improvement in the condition of Lake Maggiore, currently approaching oligotrophy, and in that of lakes Como and Lugano, which are still nevertheless in an unacceptable eutrophic state. Lake Garda has been affected by an increase in mean P concentration since the 1970s, but it has stabilised in recent years. Also in Lake Iseo P concentration has not changed in the last twenty years, but the lake still remains in an eutrophic condition. It is noteworthy that the consequences of eutrophication are accentuated by the incomplete circulation of most of these
Articolo in rivista - Articolo scientifico
deep lakes, eutrophication, organic pollutants
Italian
167
177
Mosello, R., Ambrosetti, W., Arisci, S., Bettinetti, R., Buzzi, F., Calderoni, A., et al. (2010). Trend of water quality of the deep subalpine lakes in relation to anthropic pressure and climate - Evoluzione recente della qualità delle acque dei laghi profondi sudalpini (Maggiore, Lugano, Como, Iseo e Garda) in risposta alle pressioni antropiche e alle variazioni climatiche. BIOLOGIA AMBIENTALE, 24(1), 167-177.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/21497
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