I was reading about the very ancient ginko tree-which is a very old species (dating back 360 million years). The article mentioned that ginko trees have been grown in Europe and N. America for over 200 years-but the species has not naturalized itself in those regions.
Does this mean that these trees would die off without human intervention?
Why is naturalization such a problem for this species? Is it a very specialized species?
I don’t understand that-they seem like pretty tough trees to me (they thrive in city environments).
When a species is naturalis(/z)ed, it just means that it’s formed part of the wild population in that area - i.e. it is able to survive and reproduce in the area without human intervention, as if it was native.