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LAND DEGRADATION ON AREAS WITH DESERTIFICATION PHENOMENON RISK IN CENTRAL BĂRĂGAN PLAIN

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Author(s): A. Vrinceanu | Amelia Anghel | Claudia Balaceanu | Anca Rovena Lacatusu | M. Musat | I. Jinga

Journal: Soil Forming Factors and Processes from the Temperate Zone
ISSN 1582-4616

Volume: 9;
Issue: 1;
Start page: 43;
Date: 2010;
Original page

Keywords: land degradation | risk | desertification | soil condition | ecological balance

ABSTRACT
Soil degradation is defined by FAO/UNEP/UNESCO (1979) as "a process that decreases the current capacity and/or potential soil to produce (quantitatively and/or qualitatively) goods or services”, this is not necessarily continuous. It can occur in a relatively short period between the “two states of ecological balance". Land degradation refers to one or more of land resources such as soil, water, vegetation, rocks, air, climate and topography have changed for the worse (Stocking and Murnaghan, 2001). This change can be neutralized only for short-term, degraded resource recovered quickly. Alternative may be the precursor of a strong process of deterioration, which causing changes in the long term, permanently, of the state resource. Therefore includes changes in soil quality, reduce water available, reducing the vegetation sources and biodiversity, and many other ways in which the overall integrity of the land is compromised by inappropriate use.The soil condition is the most important factor of land degradation which may change considerably in a short time and can be regarded as a time-dependent soil property. It can be affected by soil moisture in the vegetation period, when the consumption is higher due to evapotranspiration, but also in the rest of the year, when soil is exposed to rainfall (rain storms), the speed of wetting of rain, etc., can also be influenced by composition, but depends largely on the state of components making up ground at a time (texture, clay mineralogy), soil pH, cation-saturated, moisture, organic content, etc. (Norton et al., 1999).

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