The pie chart and table represent information about three vital reasons that caused land degradation in the world and especially in the three regions during 1990s. It is important to notice that over-grazing had the biggest percentage been caused land degradation in the worldwide. While deforestation had been the mayor reason in the three areas between 1990s.
In North America, there are 5% land degradation that caused by deforestation, 0,2%; over-cultivation, 3,3%; and over-grazing, 1,5%. Beside, in Oceania, over-grazing had dominated percentage for the causes of land less-produtive at approximately more than one in twenty. Meanwhile in Europe are place which had the highest percentage at around more than quarter land. Deforestation had been the crucial reason that caused degradation of land over there at around 9,8% between 1990s.
A part of previous comparison, over-grazing had been the vital reason of counter-productive land at around more than a third. Then, deforestation had also been important impulse of land degradation at approximately less than a third. At last, over-cultivation had the least percentage between 2 other reasons that caused ineffectual land in worldwide at around 28% between 1990s.