Two pie chart shows the population of polar bears received in a survey of four areas at western hudson bay in canada in year1985 and 1995.
Overall, the total number of polar bears dropped about 30% in a decade,and amoung four area, three of them experienced decreased of total polar bears numbers,
Firstly, be side a reduction of polar bears number in 1995,from 881 to 575, the only area that have higher bears population in 1995 was Cape Tatnam Study Area North, this figure from a quarter proposition of bears population in 1985, by just more six bears (216) reached to roughly one third of bears population in 1995.
However,Churchill Study Area North remained the highest of bears population despite a decrease from 332 numer of bears to 227, meanwhile while, Churchill Study Area Southeast experienced a highest lost of it’s total bear number, and reached one-third of it’s total about 70 bears in 1995
Also Cape Tatnam Study Area Southeast as the lowest of bears population from 98 bears in 1985 reduced to 62 in the next ten years
