The pie chart shows the main reasons why agricultural land becomes less productive. The table shows how these causes affected three regions of the world during the 1990s
The pie chart reveals information about four different types of factor that cause global land degradation in 1990. The tabel shows how much these factors influence three countries during the same period. Overall, the main factor that caused destruction of the land is over-grazing. Furthermore, Ocenia is a state where over-grazing causes a big impact of the land becomes less productive.
According to the chart, the percentage of land degradation which was caused by over-grazing reached 35% and it was followed by deforestration at 30%. Meanwhile, the number of over-cultivation and other factores have almost the same ratio with 28% and 27% respectivelly.
On the other hand, Europe had the largest total land degraded with 23% which was caused mainly by deforestration and over-cultivation, with 9,8% and 7,7% respectively. Ocenia had no impact with over-cultivation, but had deforestration problem with 1,7%. In contrast North America was the state that had less impact from land degradation with total land degraded only 5%. (161 words)