Band 4+: 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 displays agriculture land that produce less products besides, table illustrate main causes that effect on varies region of the world in year of1999.

Overall, the pie chart shows over-grazing was a main reason for land degradation. Moreover, table reveals about europe region that directly 23% effect on land degradation.

To start with pie chart that discuss about four points such as over-grazing that representing maximum effect on agriculture land that was 35%. Second main source deforestation that was slightly less than over-grazing. Third reason over-cultivation that was 28%. Fourth cause was other resourses that was steep then others causes.

Another trend that can be observed that, table shows about three different regions just as north america rapidly increase 3.3% in over-cultivation the total effect 5%. On the other hand, in europe region deforestation significantly 9.8% but total was 23%. On the last one area was oceania that exceed in over-grazing that was 11.3 otherwise total effect was 13%.