The pie chart below shows the main reasons why agricultural land becomes less productive. The table shows how these causes affected three regions of the world during the 1900s. Summarise the informaion by selecting and reporting the main features, and make comparisons where relevant.

The given pie chart illustrates the fundamental causes of worldwide

land

degradation, and the given table shows how these reasons affected three places of the globe in the 1990s.

Overall

, it can be clearly seen that the fundamental factors of worldwide

land

degradation were because of over-grazing and deforestation. Meanwhile, the

land

in Europe was the highest area affected by the causes. Looking at the information in more detail, 35% and 30% of the reasons why

land

degraded were over-grazing and deforestation respectively.

Then

followed by over-cultivation at 28%. The

last

reason was because of the other causes. There was 23% of total

land

degraded in Europe, and the main cause was deforestation (9.8%). 11.3% of

land

in Oceania was degraded by over-grazing.

Whereas

, 3.3% of

land

degraded in North America was because of over-cultivation.