One thing that could really affect an article, when the author has diabetes, is that it may be possible to expect that most articles will talk about diabetes. Another thing, some novels will include characters who may have "lived" through his/ her experiences.
They could eat out of there resources and leave very little for snow hare and things like that which would mean that the main food of the predators would be caribou which would make it harder to hunt killing lots if not all of moste species