The Urals are the best case for a natural biogeographical division, but if you look at the history of where the division has been, and the specifics of where it is now, it’s clear that that has never really been an important factor.
The Urals are the best case for a natural biogeographical division, but if you look at the history of where the division has been, and the specifics of where it is now, it’s clear that that has never really been an important factor.