▶ Your Answer :
Two given figures illustrates main causes of
land degradation by the world and three certain areas, North America, Europe,
and Oceania, during the decade from 1990 to 2000.
Although worldwide reasons showed
over-grazing as the most main reason, all three different regions presented
each of different reasons.
However, over-grazing could not completely
control over the chart. Other main reasons like deforestation and
over-cultivation also took similar amount of parts respectively with 30 and 28
per cent. Besides those, with 7 percent, other reasons were not spotlighted.
On the other hand, those three parts of the
world has every different ratio. For example, North America was degraded by
over-cultivation, over-grazing, and deforestation in order of high percentage,
but the reasons of Oceania was negatively correlated.
Overall, the agricultural industry
hesitated from 1990 for the years because of those three main reasons, though
the first reason for all was different from each others’.
|