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University of the Aegena (2011)

Phytoremediation of ecosystems moved away from equilibrium in waste disposal sites with the planting of mediterranean vegetation : the case of waste disposal site on Ano Liosia Attikis

Gkalogiannis, Konstantinos - Γκαλογιάννης, Κωνσταντίνος

Titre : Phytoremediation of ecosystems moved away from equilibrium in waste disposal sites with the planting of mediterranean vegetation : the case of waste disposal site on Ano Liosia Attikis

Auteur : Gkalogiannis, Konstantinos - Γκαλογιάννης, Κωνσταντίνος

Etablissement de soutenance : University of the Aegena

Grade : Doctoral Thesis 2011

Résumé
The objectives of the dissertation were : # The registration of appropriate plant species for the planting of vegetation in a Waste Disposal Site (WDS), given the adverse conditions prevailing in it # researching the most important parameters that affect them # studying the succession of vegetation in an WDS, while studying the change in physicochemical soil properties # The development of basic principles on restoration of vegetation adapted to bioclimatic conditions of Greece and the specificities of Greek litter and WDS. The above mentioned investigation was deemed necessary because, data on WDS rehabilitation in Greece are insufficient while, in literature, there are absolutely no records concerning the effect of phytotoxic parameters of WDS on Mediterranean species. The area chosen for the research was the “Ano Liosia WDS” in Attica, which is the largest in the country and one of the largest in Europe, receiving daily, up to 6,500 tons of litter. For the purposes of the research, three experimental areas were selected based on the age of litter and the technical characteristics of the final cover. Twenty (20) terrestrial parameters were measured, for the years 1999 and 2005 at two (2) different depths. Changes influenced by waste factors and plant installation were studied. For the monitoring of the quality of the soil gas phase (CH4, CO2, H2 and H2S) and temperature, a three-depth (30cm, 60cm and 90cm) measurement network was installed for a six year-long period (2000-2006). In order to record the natural regeneration, succession and biodiversity of native herbaceous plants in the final terrestrial cover of the WDS, three experimental areas were selected and a phyto-sociological research program was carried out for the years, 2001, 2002 and 2005. A planting program was carried out For the needs of planting, in the experimental areas and the investigation the effects of limiting factors of WDS on woody plants,. The criteria used for selecting species refer to ecological, biological and aesthetic parameters. All 13 species of trees, shrubs and aromatic plants selected were species of the Mediterranean Attic flora. Parameters measured included survival rate and increase. The GIS interpolation methodology was used to determine the parameters measured and the prediction (extrapolation) on plantation and native herbs’ sites. Finally, results are given, the conclusions of the research carried out, as well as proposals for the restoration of the WDS.

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