The two diagrams interpret the amount of animals (specifically zebras and buffalos) and the annual rainfall at the Nboro Nature Reserve during the course of 2005 to 2011.
Within these six years, the population of buffalos steadily rose. However, the population of zebras fluctuated, increasing slightly from 2005 to 2007, then decreasing from 2007 to 2009, and finally grew again from 2009 to 2011.
On the other hand, the diagram depicting the annual rainfall oscillated as well. The unclear trend shows just how irregular the weather is.
It is apparent that the amount of rainfall correlates with the population of zebras. The greater the rain, the greater the zebras. Although, the buffalos showed constant increase but the increase seems to decline, delineating a plateau happening.
