Can I please have some more details, thanks
Explanation:
offices s4x5svu0nsisnubsubsindind9s9?z0?pw?om2ibeunsimz
I would say immigration only.
emigration would theoretically reduce the genetic variation as unique individuals leave, but immigration would bring unique traits into circulation in an ecosystem.
I'm not super great at biogy tho so this might not be right... :)
