The pie chart illutrates the main causes of worldwide land and why it is becomes less productivity. The table shows the information how these degradations affected North America, Europe and Ocenia over 1990s.
Overall, the over-grazing had the most impact on agriculture degradation while the least affected cause was other reasons. The table shows that the majority of Europe land encountered with degradation despite the fact that the amount of percentages was decreasing, whereasn North America had the lowest persentages of breakdown.
According to the pie chart the most deagradation lead to over-grazing of 35%. Likewise deforestation is had 30% of the impact to agriculture after over-grazing. Over-cultivation had the average impact of 28% to degradation. However other sourses had the lowest influence to agriculture degradation.
The table clearly shows that the average amount of percentage was 1.7 of deforestation that caused land degradation was in Ocenia. The lowest percentage of 0.2 had North America in deforestation and the main country that caused to degradation by deforestation was Europe with 9.8%. Ocenia was not have over-cultication while North America had 3.3% and Europe with 7.7% was the biggest remains still. But over-grazing in Ocenia exceeded the 11.3 amount of percentage, but at the same time North America had only 1.5% and Europe had the average of 5.5% in over-grazing. Totally the lowest degradation in agriculture was North America with 5%. The main problem with degradation had Europe with 23%. And the Ocenia was the country that had average percentage of 13.