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 make comparisons where relevant.

The graphs show the causes of

land

degradation, why it has become less productive, and especially in three regions during 1990.

Overall

, Europe suffered from

land

degradation more than others, the main reason for it was deforestation,

however

, the main cause of

land

degradation was over-grazing. The pie chart shows that one of the main causes of suffering was deforestation, which is approximately one-third. Over-gazing had the largest part of the pie chart with 35%, after that deforestation which was 30%. In the graph, the smallest part is section other which had 7%. Before that, the graph had over-cultivation with 28%. The second graph illustrates the main cause of suffering in Oceania was over-gazing. North America mainly had problems with over-cultivation. In Europe the

overall

percentage of degraded

land

was approximately one quarter,

however

, they had fewer problems with over-grazing,

while

other regions had suffered from it mainly. All regions had eased the struggle with over-cultivation