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 chart depicts the major causes

on

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of

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why agricultural

land

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can be less productive than ever before,

while

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the table illustrates how those factors affected three different regions across the planet in

1990s

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the 1990s

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.

Overall

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, over-grazing is the biggest problem that can lead to less productive

land

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for generating agricultural products compared with other issues, like deforestation and over-cultivation.

Moreover

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, the most impacted region

due to

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land

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degradation during

1990s

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the 1990s

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was Europe where all of the causes played important roles. For more detailed information, based on the chart, the proportion of degraded

land

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due to

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over-grazing is 35%.

Furthermore

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, deforestation and over-cultivation

also

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have significant contributions to the less productive agricultural lands. The former accounts

30

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for 30

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% and the latter is 28%.

In addition

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to that, the percentage of North America was only 5% which was the smallest proportion compared with other regions provided in the table. Oceania had the largest over-grazing problem where it could contribute up to 11.3%.