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Osservazioni limnologiche sul lago Simbirizzi (Sardegna meridionale) dal 1989 al 1993, con particolare riferimento alle dinamiche del fitoplancton

Lugliè, Antonella Gesuina Laura and Virdis, Tomasa and Sechi, Nicola (1998) Osservazioni limnologiche sul lago Simbirizzi (Sardegna meridionale) dal 1989 al 1993, con particolare riferimento alle dinamiche del fitoplancton. In: A.I.O.L. 1996: Atti del 12. Congresso dell'Associazione Italiana di Oceanologia e Limnologia, 18-21 Settembre 1996, Isola di Vulcano, Italia. Genova, [s.n.]. Vol. 2. p. 183-192. Conference or Workshop Item.

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Abstract

This paper reports the results of a limnological survey carried out from May 1989 to April 1993 on Lake Simbirizzi, a shallow man-made lake located in South Sardinia. The lake was filled in the 1986 and it is polimitic and hypertrofic. The aim of the study was to follow the dynamics of some parameters, in particulary those of phytoplankton, after the first years of the lake's life already studied by Mura et al. (1992). It is confirmed the high values of conductivity and, on the basis of the mean annual values of total phosphorus (between 67 mg P m-3 and 148), chlorophyll a (between 17 mg m-3 and 57 mg m-3), total density (between 26 cells 106 l-1 and 269 cells 106 l-1) and total biomass (between 4.5 mg l-1 and 19.4 mg l-1). the hypertrophic state. During the studied period 20 species among about a hundred were important for density and biomass. Cyanophyceae dominated the density whereas Bacillariophyceae, Dinophyceae and Conjugatophyceae were the most important groups, with Cyanophyceae, for the biomass.

Item Type:Conference or Workshop Item (Contribute)
ID Code:8854
Status:Published
Uncontrolled Keywords:Fitoplancton, laghi artificiali, Sardegna
Subjects:Area 05 - Scienze biologiche > BIO/07 Ecologia
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze botaniche, ecologiche e geologiche
Publisher:[s.n.]
Deposited On:10 Apr 2013 09:55

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