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.

The pie chart provides data on the reasons why the

land

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suitable for agriculture becomes non-productive

while

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the table depicts the effects of

the

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apply

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certain

causes

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on particular

hree

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three

parts of the globe in the year 1990.

Overall

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, over-grazing is the most renowned cause behind the worldwide

land

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degradation

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process followed by deforestation, over-cultivation and other miscellaneous

causes

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while

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the European region was the most sufferer

by

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of

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all of the

causes

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during 1990 with a certain amount of degraded

land

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.

Due to

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the excessive population number, more farmlands are needed and more animals are needed to fed.

That is

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why, grazing is, an alarming issue and the chart is

the

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apply

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proof that the number is 35%, followed by

land

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degradation

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caused by deforestation (30%)

whereas

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over-cultivation

causes

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28% of the total loss of

lands

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land

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across the world.

However

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,

due to

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heavy industrialization, Europe was the table topper of the others in the table where

this

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region had 23% of their total

land

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degraded in 1990, in which deforestation had the largest share with 9.8%.

On the other hand

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, North America had less degraded

land

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in that time of 1990 with 5%

degradation

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of total

land

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as they put their full effort into reserving forestlands.

Furthermore

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,

due to

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heavy

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the heavy

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cattle population, over-grazing had been

the

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a

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major problem in Oceania where 11.3% of

total

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the total

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13%

degradation

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happened

by

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of

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this

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particular phenomenon only in 1990.