visual examples | 1972 - a "bear"ish year

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The Impact of Year Over Year Growth on the Black Bear Population

A table calculation was used to calculate the year over year growth during the decade. Again, 1972 stood out when the population dropped over 60%. Was there some sort of irregular weather that had a negative impact on the bears? For instance, bears eat a lot of plants, so if 1972 was a really dry year their food supply may have been jeopardized.

Tags: Sciences, Research, Demographics, Animal Research