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 1990s. Summarise the information by selecting and reporting the main features, and make comparisons where relevant

The pie chart compares the percentage of different

reasons

Use synonyms

for the

degradation

Use synonyms

of agricultural

land

Use synonyms

, and the table illustrates the percentage of

degradation

Use synonyms

in North America, Europe, and Oceania in 1990.

Overall

Linking Words

, it is apparent that the majority of lands became less productive

due to

Linking Words

the over-grazing.

Besides

Linking Words

, Europe experienced the highest amount of

land

Use synonyms

degraded, with 23% in total.

To begin

Linking Words

with, the pie chart shows three main

reasons

Use synonyms

for

land

Use synonyms

degradation

Use synonyms

.

Firstly

Linking Words

, over-grazing was responsible for the

degradation

Use synonyms

of more than a third of agricultural

land

Use synonyms

.

Moreover

Linking Words

, deforestation accounted for 30%, which ranked second among other

reasons

Use synonyms

.

Finally

Linking Words

, over-cultivation comprised 28% of

degradation

Use synonyms

.

Although

Linking Words

there were other

reasons

Use synonyms

for

degradation

Use synonyms

, they were a mere 7% , which was fairly low. Shifting to the table, it can be seen that North America had particularly low levels of

degradation

Use synonyms

, with a modest 5% in 1990.

In Contrast

Linking Words

, the total

land

Use synonyms

degraded in Europe was 23%, which was the biggest amount of

degradation

Use synonyms

among other countries.

Additionally

Linking Words

, the proportion of degraded

land

Use synonyms

in Oceania was 13% , and to be more specific, 11.3% out of

this

Linking Words

13% was caused by over-grazing.