The pie chart below shows the main reasons why agricultural land becomes less productive. The table shows how these causes affected three regions of the world during the 1990s.Summarise the information by selecting and reporting the main features, and mak

Given is a pie chart that represents the causes of land degradation and a table that provides figures for the same classifying over three main regions North America, Europe and Oceania.

As per the chart the major causes for worldwide land degradation in 1990s happened to be over-grazing, deforestation and over-cultivation accounting for 35, 30 and 28 percent respectively. Other reasons account for the rest 7 percent.

Focusing on the facts provided by the table, it is clear that Europe registered highest percentage of land degradation amongst the given regions; that is 23%, with deforestation being the prime reason (9.8%). In contrast, Oceania with the second highest percentage of land degradation (13%), the main cause of land degradation turned out to be over-grazing with 11.3%. Whereas North America with the totally different trend shows the major cause of land degradation to be over-cultivation.

Summarizing the points, it is remarked that there is a varying trend in causes of land degradation across different subcontinents.