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. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The pie chart illustrates the main contributors to global

land

Use synonyms

degradation,

while

Linking Words

the table compares the extent of

land

Use synonyms

damage in three regions—North America, Europe, and Oceania—during the 1990s. It is evident from the pie chart that over-grazing is the leading cause of declining farmland productivity worldwide. The table

further

Linking Words

indicates that Europe experienced the highest proportion of

land

Use synonyms

degradation among the three regions during the recorded period.

In addition

Linking Words

to over-grazing, the pie chart highlights deforestation and over-cultivation as significant contributors to

land

Use synonyms

degradation. Tree removal accounts for 30% of the problem, making it slightly less harmful than over-grazing. Over-cultivation poses the least threat, representing just over 25% of the total. The data in the table show that 23% of Europe’s farmland was degraded in the 1990s, which is nearly twice the percentage recorded in Oceania. North America was the least affected, with only 5% of its agricultural

land

Use synonyms

experiencing a decline in productivity.