Pie chart about the reason of worldwide land degradation

The pie chart shows the main cause of worldwide land degradation, and the table shows the situation in North American, Europe and Oceania. The three main reasons affected the land’s produce including over-grazing, deforestation and over-cultivation. Europe is been affected most for about 23%. The reason why Europe been effected so much, could be concidered from a big number from each cause. As a comparision, Oceania effected mostly in over-grazing for 11. 3%, which is the highedt level in three regions listed, but the total land degraded is only 13%, 10% fewer than Europe, because Oceania is barely effected by deforestation or over-cultivation. North American been affected fewest in three regions for only 5%. Over-cultivation is the main reason affected North American, while Oceania dosen’t been affected by over-cultivation at all. On the other hand, North America only affected by over-grazing for 1. 5%, which is the lowest level in three regions.