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This study examined three pelagic stations, Peschiera, Gargagno and Malcesine. The research concerned the main ecosystem components: (i) physical and chemical characteristics of river waters; (ii) physical, chemical and biological characteristics of lake waters; (iii) structure of the phytoplanktonic and zooplanktonic populations; (iv) lake sediments with reference to the content of eutrophicating substances and radionuclides. The elements which are useful in evaluating the quantity of the loads of eutrophicating substances generated in the catchment basin were also collected and analysed to obtain the information needed to reconstruct the trophic evolution of Lake Garda waters. The picture which emerges from this research shows how the Benaco's actual trophic state is situated in the lower limit of mesotrophy.

Additional information

Authors: CHIAUDANI G, Università di Milano, Dipartimento di Biologia (IT);PREMAZZI G, JRC Ispra (IT)
Bibliographic Reference: Paper presented: Presentazione relazione finale lago di Garda, Brescia (IT), June 3-4, 1994
Availability: Available from (1) as Paper IT 38389 ORA
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