The pie chart illustrates the pivotal ground that negatively affects the productivity of agricultural land while the table shows information about the proportion of land degradation due to those effects categorized in three separate areas of the world within the 1990s period.

The pie gives information about the

causes

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of worldwide land degradation in four categories

while

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the table shows information about the

causes

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of land degradation by region in North America,

Europe

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and Oceania which include a large number of islands in South Australia and New Zealand.

Overall

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, over-grazing has the highest proportion in all categories. In the pie chart, over-grazing which stead at 35% has one-fourth of part of the chart in comparison with the other which is 7% and the lowest percentage.

Also

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, the deforestation is just under the over-grazing by 5%.

Moreover

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, over-cultivation is approximately a quarter which is 28%.

On the other hand

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, in the table,

Europe

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causes

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the most damage to the lands which is a total of 23%

in contrast

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with that North America has a minimum proportion of damage which is 5%.

Nevertheless

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, Oceania does not cause over-cultivation as in

Europe

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which is 7.7% but 11.3 % caused over-grazing which is much more than North America and

Europe

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. In the end,

Europe

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has 9.8% of

causes

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of deforestation which is the highest among them.