The pie chart shows the main reason why agricultural land becomes less productive. The pie chart shows the main reason why agricultural land becomes less productive.

The data presents the root causes of the decrease in

land

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in the world and the proportion in each region. There is a pie chart that shows the type of the degradation reasons.

In addition

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, there is a table containing the

percentage

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of

land

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degradation caused by region. The diagram illustrates

land

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degradation's reasons

such

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as deforestation, over-cultivation, and over-grazing. Over-grazing has the highest

percentage

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as a disertification cause in the amount of 35%. Followed by deforestation has a

percentage

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of 30%.

Then

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, the third cause is over-cultivation which has a

percentage

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of 28%. The other 7% are others that could not be defined.

Next,

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the table gives us information about the distribution area of the desertification reason.

Firstly

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, Europe has the highest

percentage

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of

land

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degraded amounting to 23% which 9.8% is caused by deforestation.

Secondly

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, Oceania (a large group of islands in the South Pacific including Australia and New Zealand) take the second position with 13% amount in which 11.3% of

land

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degraded was caused by over-grazing. The

last

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, North America has total

land

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degraded amounted to 5% and 3.3% caused by over-cultivation.