Stephen Stringham

5 Questions 14 Answers 0 Followers

Questions related from Stephen Stringham

Have bears historically preyed on Atlantic salmon (Salmo salar)?

We have searched literature in Norway and North America trying to find evidence that brown or black bears preyed on Atlantic salmon (Salmo salar), despite the fact that these fish spawn in...

18 April 2024 2,241 5 View

What are the explanations as to why apes have been largely confined to tropical & subtropical forests, at least during the Holocene?

As best I have been able to determine from reading literature, chimpanzees, gorillas, bonobos, and orangutans have been largely confined to tropical and subtropical forests, at least during the...

16 April 2024 2,552 0 View

Which chimpanzee populations exploit savannah or other habitat where they are often more than say 100 m from trees which can be climbed for refuge?

At least some baboon populations have evolved to exploit habitats where climbable trees are scarce -- somewhat as ancient humans must have done, perhaps during a period of the Miocene when forests...

16 April 2024 4,251 0 View

How is a nonlinear regression done on data whose plot superficially resembles a bell curve?

I have a data set whose scattergram plot approximates the rising (left) side of a normal distribution, before starting to decline on the upper (right) side of the "mean". The formula for a normal...

20 March 2018 3,035 6 View

Novel way of calculating population growth rate?

The only way I know to calculate population growth rate is multiplying initial size by lambda to the nth, where n=number of cycles (e.g., years) over which growth has occurred. For example, to...

12 February 2014 4,547 32 View