The pie chart gives information about several things that make a decrease of land production and the table illustrates about impact of degradation of field for the three region. Overall, it can be seen that the greatest cause makes the land become a less production is over-grazing. Also, over-grazing become the biggest problem of land in the Oceania. Besides that, Europe has been the biggest problem for productivity land by deforestation, over-cultivation and over-grazing at 23 percent.
The percentage of over-grazing is higher than deforestation at 35 and 30 respectively. The three largest is over-cultivation at 28 percent. In the North America over-cultivation become cause of less production of land at 3.3 percent. Deforestation is the biggest percentage to cause Europa land become less production at 9.8 percent. Then, Oceania has the biggest problem from over-grazing at 11.3 percent. Total of land that has degraded and is caused by deforestation, over-cultivation and over-grazing for the North America, Europe and Oceania is at 5.23 and 13 percent significantly. Over-grazing is the biggest problem for the land in the worldwide, especially in the Ocean.