The pie chart describes how the number of polar bears discovered in a survey of four different sites at Western Hudson Bay in Canada from 1985 to 1995.
Overall, it is evident that the total number of bears declined over the ten-year period. However, one region experienced a slight increase in its bear population.
First, there was a considerable drop in the total number of bears, which the population dropped by a third, from 881 to 575 in ten years. However, despite the sharp decrease, in Cape Tatnam Study Area North, the proportion remained stable and experienced a marginal increase, from 210 to 216.
Meanwhile, the number of bears found in the Churchill Southest are exhibited a dramatic decline from 241 to 70 of the total population, while the proportion of bears in Cape Southeast experienced a small decrease compared to the other regions, from 98 to 62.
By contrast, there was an increase of only six bears in Cape Tatnam North, from 210 to 216, being the only one area that didn’t experience a drop. Finally, the proportion of Churchill North showed the most striking decline, from 332 to 227, over the decade.