The pie chart shows the factors that negatively affect the development of agricultural land around the world,while the table illustrates the process of land degradation in the three main regions of these factors.

The pie chart pictures 4 types of reasons for agricultural areas' depletion,

while

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the table provides almost the same information for 3 regions, namely North America, Europe, and Oceania.

Overall

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,

it is clear that

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Europe’s agricultural land is affected to the greatest extent, with almost 25% in total, followed by North America, with 13%, and the latter area, with 5% only.

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, it is noticeable that over-grazing, the cutting of trees and over-cultivation contribute to land degradation closely alike, respectively 35%, 30% and 28%.

On the other hand

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, other factors do not affect agriculture, making up less than the tenth. As for the regional distribution, the reasons vary drastically in different parts of the world.

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, Europe is affected by all 3 factors, and just above 10% of its field’s development depends on the lack of greenery, having only a difference of 4% each. The situation is different in other areas because over-cultivation has no effect on Oceania, and,

furthermore

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, deforestation is not a challenge for the

last

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continent.

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, 3,3% of North America's fields rely on agricultural activities and twice as much on animals.

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, Oceania’s rates for over-grazing are 2 times higher than Europe’s, even though it is slightly independent from greenery.