Band 6+: The pie chart below shows the main reasons why agricultural land become lesson productive. The table shows how these causes affected three regions of the world during the 1990s.

The shown pie chart gives information about agricultural land’s head reasons for becoming less productive. Whereas the given table presents North America, Europe, and Oceania that were affected by these causes during 1990s.

Overall, it is clearly seen that the predominant cause of degradation was over-grazing. We can also see that the highest proportion of land degraded by over-grazing was by Oceania.

Looking at pie chart in more detail, more than a third and less than a third were the predominant reasons for becoming less productive. We can also notice that more than a quarter (28%) cause of worldwide land degradation was over-cultivation while only 7% was because of other reasons.

Moving onto table, the highest percentage (23%) of total land that became less productive was by Europe in 1990, whereas 5 and 13% were by North America and Oceania, respectively. North America was affected more by over-cultivation at 3.3%. it’s the same time, Europe was affected more by deforestation at 9.8%, even though 7.7 and 5.5% by other causes. Finally, Oceania degraded more by over-grazing, that is 11.3%.