The given pie chart shows the main reasons why agricultural land becomes less productive. Additionally, the table shows how causes affected North America, Europe, and Oceania during 1990.
From an overall perspective, it is readily apparent that the significant cause of worldwide land degradation is over-grazing. Moreover, the table highlights that the most affected region is Europe.
To begin with, worldwide land degradation happened from various causes, including over-grazing, deforestation, over-cultivation, and others. In detail, over-grazing accounted for 35% of the total, which is the dominant cause of land degradation. In addition, the proportion of deforestation and over-cultivation made up a significant percentage, contributing 30% and 28% respectively.
In addition, the table illustrates the percentage of land degraded in three regions. North America experienced the smallest land degradation, with a total of 5%, followed by Oceania with a total of 13%. Additionally, Europe underwent the largest land loss, which is 23%.
