The pie chart below shows the main reasons why agricultural land become lesson productive. The table shows how these causes affected three regions of the world during the 1990s.

The pie chart illustrates the vast issues of the lack of agricultural land manufactured. At the same time, the table depicts the impacts of these problems in three regions, which are North America, Europe, and Oceania in 1990.

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, both data sets represent that over-grazing was the main issue globally and in some regions based on the charts.

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the worldwide land degradation, over-grazing reached the highest percentage among others, more than a third. Followed by other factors, including deforestation and over-cultivation showed slight differences, 35% and constituted 28%.

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, unidentified causes made up only 7%.

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land degradation data for Oceania, the proportion of the effect was aligned with the global data, with over-grazing as the main factor among others, around a tenth. Meanwhile, in North America and Europe, over-planting was the most determined, about 7.7% and 9.8%.

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, the lack

causes

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in

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regions

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were diverse, which are deforestation made up only 0.2% in North America, over-grazing represented nearly 6%, and there was no over-cultivation reported in Oceania.