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Implementation of A GIS (Geographic Information System) Dedicated to Agro-Ecological Diagnosis and Integrated Development of Mountain Land in the Wilaya of Tlemcen, Algeria
Abstract
To develop agriculture in mountainous areas, environmental analysis is a necessary step. However, the traditional methods of agro-ecological diagnosis, which are numerous and diversified, do not make it possible to study large areas in a reasonable period of time and often do not meet the expectations of the practitioner in the field.
The purpose of this project is to set up an approach consisting in carrying out the analysis of the environment by favoring the choice of a spatial dimension (level of perception) in accordance with the needs of the farmer (agricultural spatial unit). This analysis will be carried out on the most relevant physical, biotic and socio-economic indicators according to two distinct but complementary approaches:
- First, through the synthetic vision of the landscape offered by satellite imagery by limiting the number of ground surveys, a spatial remote sensing approach will be adopted;
- Then, by the performance allowed by the Geographic Information System (GIS) tool, the spatially referenced data will be combined;
- Finally, based on the results of the agro-ecological diagnosis using the geomatics tool (mapping, remote sensing and GIS), development guidelines will be outlined to enhance mountain land (soil, water) and preserve the weakened agro-ecosystems of three (03) selected test sites, along a north-south transect, in the wilaya of Tlemcen.
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