The first given chart indicates the major causes of unproductive farmland, while the sencond chart illustrates how these factors affected thee regions North America, Europe and Oceania during the 1990s.
Overall, the primary reason for agriculture land degradation is over-grazing. It is also notiable that Europe had a higher proportion of degraded land than other two regions in the years mentioned.
Around 35% of worldwide farmland degradation due to over-grazing. This figure for deforestation is slightly lower, at 30%. Over-cultivation accountes for 28% of unproductive land causes, and the other reasons are only took up 7%.
In the 1990s, the proportion of degraded land in Europe was 23% and this was mainly caused by deforestation. Over-grazing is the primary reason why Oceania’s farmland became less productive and result in about 13% unproductive land. The smallest proportion of land degraded was 5% in North America with the main cause was over-cultivation.
- The table and charts below give information on the police budget for 2017 and 2018 in one area of Britain The table shows where the money came from and the charts show how it was distributed 78
- Many people prefer to communicate with their online friends than to socialise with people in their local communities Do you think it s has more advantages or disadvantages 73
- The diagram illustrates the process that is used to manufacture bricks for the building industry Summarize the information by selecting and reporting the main features and make comparisons where relevant
- The bar chart below shows the numbers of men and women attending various evening courses at an adult education centre in the year 2009 The pie chart gives information about the ages of these course participants 61
- The bar chart below shows the percentage of Australian men and women in different age groups who did regular physical activity in 2010 67