The graph presents data about diversity of three wild animals such as bears,dolphins and whales between the years 2011 and 2016.
Overall, bears demonstrates upward trend,while the trend of dolphins decreased over the years.Whereas,whales fluctuated throughout the years.
To begin with,dolphins’s trend was the highest in the 2011 with 150 thousands of population,however it decresead significantly over the one year it down about 75 thousands of population,and illustrated approximately 75 thousand in 2012.In 2013 it showed population less than 50 thousands and after this year the trend decreased slightly.Whales was the second dominate trend in 2011.Although it decreased in 2012,followed with was overtaken by bears in this year.Then,it grew drammatically and in 2013 demonstrates the highest point of the trend with about 100 thousand of population.In next few years it flactuated and in the 2016 presented population approximately 75 thousand,which is equal with the starting peak.
Moreover,the most increasing trend was of bears.It was the lowest point in the begining,however presented considerable rise and overtook the trend of dophins in 2013.Furthermore,In 2015 the trend was the highest one,meanwhile other trend were less than 100 thousands.In 2016 it reached the highest point of the whole trend about 180 thousands.