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THE ROLE OF THE VEGETAL LAYER IN RESTORING THE NATURAL BALANCE OF A POLLUTED LANDSCAPE

Mihaela Sencovici

Abstract

The present study aims to highlight the importance of the vegetal organisms, in restoring the natural balance, based on field research. The vegetal layer under its multiple aspects and the complex processes taking place in its framework, as well as its relations with the environmental factors, constitute an essential element in the natural circuit of the environment and a basic component of the geographic layer, indispensable for a complete characterization and understanding of the structure and dynamics of terrestrial ecosystems. In its variety and complexity, the vegetal layer reflects and sums up the interactions of the various natural factors and the transforming action of the human society. Human development also involves a fierce competition for resources, which extends the anthropization process towards the planet?s most inaccessible zones, and the intensity of this process, which has taken place unexpectedly during the last centuries, goes beyond the environment?s capacity to restore itself by the ecosystems? self-regulation, as they have been invaded by: urbanization, industrialization and agrosystematization. The deterioration of the ecosystems? dynamic balance, of their structure and functions, the shrinking of the biodiversity threaten the human species itself, by the latter?s decoupling in point of energy and matter, so, by the alteration of its conditions of existence. For the realization of this study we have used a series of bibliographic materials, we have carried out several expeditions in the field, to which we have added a few experiments realized in the laboratory to observe the evolution of certain plant species on various polluted soils.

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DOI resolver: doi.org/10.5593/sgem2018/5.1/s20.125

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