STUDY OF SPATIO-TEMPORAL EVOLUTION IN THE NORTH AFRICAN REGION (ALGERIA) AND ITS INFLUENCE ON THE CEREAL PRODUCTION PROCESS: STUDY OF THE YIELD EVOLUTION OF DURUM WHEAT (TRITICUM DURUM DESF)

This work aims to study the spatial and temporal evolution of grain production in the wilaya of Bordj Bou Arréridj, which is situated in the high central plains of eastern Algeria, in relation to climate change over two period's time. A former period that stretches from 1997 to 2007 and another from 2007 to 2014. To this end, we selected potential cereal producing areas sown to durum wheat (21 stations). The selected stations have the same topographical feature, the results obtained indicate a favorable climate change in favor of the cereal yield, this change is expressed by the increase in the maximum temperature of 1,45C °C and minimum of 1,26 °C and precipitation 2,5 mm. Moreover this development is accompanied by an increase in production by 16544,4 t, which contributed to the improved performance by 6,33 t/h between the two periods studied. However the areas do not record any significant change. In the end our work revealed the positive effect of climate change on the improvement of the production of durum wheat in the province of BBA.