6band
The pie chart below shows the main reasons why agricultural land become less productive. The table shows how these causes affected three regions of the world during the 1990s. The diagram and the chart illustrate the causes of global land degradation and the distribution among North America, Europe, and Oceania in 1990s.
Overall, over-grazing, deforestation, and over-cultivation are the main reasons of degradation, which affect Europe the most.
The worldwide land degrad...