Still not quite sure what para2, phrase2 means.
Are those people whose original location was in more than one place?
So, people originally living in A,B,C and D have now been dispersed to X,Y and Z?
She introduced [did she?] the term "segmented diasporas" for those communities/people whose original territory is as widely spread (geographically) as their ...
no, scrap that. Just read here http://books.google.co.uk/books?id=7QEjPVyd9Y...
that a "segmented diaspora" is defined by the diversity within the people, i.e. different nationalities, languages, religion and culture.
So, I would go with sth like:
wide range of demographics
It is only logical that those characteristics would not change with a change of location. *still puzzled*