Japanese cities' lack of seasonal balance due to a man-made biodiversity

[DoctorP]

That is not the point of this thread. I am talking about the influence of Japanese people on the biodiversity (mostly in cities), resulting in a poor knowledge of native species of Japan (e.g. inability to recognise a beech or an oak from the leaves).
I don't give a damn about your living around farmland. Please stay on topic.

Your initial post did not say only in cities. Therefore you lumped all Japanese together. You do that a lot. I will concede that people within the cities probably are ignorant to quite a few things when it comes to nature, but not all Japanese are the same.