The pie chart below shows the main reasons why agriculture land becomes less productive. The table shows the causes affected three regions of the world during the 1990s. Summarise the information by selecting and reporting the mian features, and make comparisons where relevant.

The pie chart illustrates the staple reasons why lands for

agriculture

Replace the word

agricultural

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purpose

Fix the agreement mistake

purposes

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becoming less productive. The table shows how these

causes

affected three regions, namely North America, Europe, and Oceania during the 1999s,

Overall

, there are three main

causes

of worldwide

land

degradation, over-grazing, deforestation,

over-cultivation

Correct word choice

and over-cultivation

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.

Moreover

,

this

causes

Fix the agreement mistake

cause

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has the most effect on Europe and

least

Correct article usage

the least

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effect on North America. As the pie chart shows, there are four reasons for

land

degradation that over-grazing, deforestation and

over-cultivation

had almost

same

Correct article usage

the same

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percentage for causing lands

becoming

Change the verb form

to become

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less productive, 35%, 30% and 28% respectively. Other reasons just had under

one-tenth

Correct article usage

a one-tenth

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ratio. Those

causes

had the most impact on Europe with 23%. Oceania

were

Change the verb form

was

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affected with 13% that 11.3% of that number was caused by over-grazing,

however

,

over-cultivation

didn't have any impact on

land

degradation. For the

last

region, North America, just 5% of their

land

degraded

Add a missing verb

was degraded

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.

Although

deforestation had the least percentage,

over-cultivation

had the most.