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Abstract

The Ugento basins are a system of artificially enclosed lagoons and channels. During 2001, they were the centres of a dystrophic crisis that jeopardized the environmental conditions of the aquatic system. Here, we present an experimental protocol using the Ugento basins as a study model, aiming at the control of the state of health of transitional ecosystems, by means of monitoring activities and environmental restoration procedures. The analytical protocol illustrates the results of a research plan carried out on the Ugento basins, in close collaboration between the University of Lecce and other important national institutes of specialized in these areas of research. The conceptual model applied to the Ugento basins is based on a spatio-temporal analysis of the disruptive pressures through a stratigraphic characterization of sediments, and the development and validation of a simplified compartmental model of the water bodies describing nutrient and oxygen dynamics in the system. Results indicate that macroalgal components seem to be the main regulatory factor of the dissolved oxygen in water. The preliminary study allowed us to identify some of the sources of perturbation of these systems and to define preliminary procedures for control of the ecological conditions of the Ugento basins, and to suggest procedures for short and long-term remedial action.

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Additional information

Authors: RAVERA O, Istituto per lo Studio degli Ecosistemi del CNR, Sezione di Idrobiologia ed Ecologia delle Acque interne, Verbania Pallanza (IT);SILVESTRI C, Cypraea p.s.c.r.l. - Cooperativa di Ricerca e Studi per la Pesca, l'Acquacoltura e l'Ambiente, Roma (IT);OTTOLENGHI F, Cypraea p.s.c.r.l. - Cooperativa di Ricerca e Studi per la Pesca, l'Acquacoltura e l'Ambiente, Roma (IT);GIORDANO P, Cypraea p.s.c.r.l. - Cooperativa di Ricerca e Studi per la Pesca, l'Acquacoltura e l'Ambiente, Roma (IT);DE VITO G, Comune di Ugento- Ufficio Lavori Pubblici ed Ambiente, Ugento (IT);CAIRO V, Comune di Ugento- Ufficio Lavori Pubblici ed Ambiente, Ugento (IT);BASSET A ET AL, Università degli Studi di Lecce, Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Lecce (IT);CENCI R M, Commissione Europea, Centro Comune di Ricerca di Ispra, Istituto dell�Ambiente e della Sostenibilità, Ispra (IT);MUSMECI L, Istituto Superiore di Sanità, Laboratorio di Igiene Ambientale, Reparto di Igiene del Suolo, Roma (IT)
Bibliographic Reference: EUR 20692 IT (2003), 143pp. CD-ROM. Free of charge
Availability: Available from European Commission, JRC Information & Public Relations Unit: Brussels (BE) Fax: +32-2-2996322 E-mail: guelperi.vural@ec.europa.eu and Ispra (IT) Fax: +39-0332-785409 E-mail: ulla.engelmann@ec.europa.eu
Record Number: 200316528 / Last updated on: 2003-08-20
Category: PUBLICATION
Original language: it
Available languages: it