"geographical differentiation" is correct and usable in written English.
You can use it when you are discussing the differences among regions and the way they influence the characteristics of the population. For example, "Geographical differentiation can have an impact on language usage, native customs, and even traditional cuisines."
This geographical differentiation is introduced by the standard Armingtonian assumption with a CES function between imports and domestic goods.
However, the overall average dissimilarity for "Glutinous rice" was 0.59, indicating geographical differentiation between the two glutinous rice groups.
At the same time, Roberts' statement concerning a possible geographical differentiation between CTOs hierarchical specifics was fully confirmed.
Although evidence for geographical differentiation in behaviour was obtained, the results point to phenotypic flexibility in L. terrestris light response.
There is a critical need to understand geographical differentiation and regional characteristics for the purpose of formulating management measures and altering development planning to fit the local conditions.
However, a test for geographical differentiation using the SSR data did not show any overall differences in the genetic makeup when the accessions were grouped according to the Kayan river, lower Bahau river, and upper Bahau river regions (Table 2).
The present study shows deep geographical differentiations of A. morrisonia.
These results point to geographical genetic differentiation on La Gomera before the European conquest, although we cannot exclude that these differences could be related to small sample sizes or temporal differences during pre-Hispanic times.
Monopolistic competition, market situation in which there may be many independent buyers and many independent sellers but competition is imperfect because of product differentiation, geographical fragmentation of the market, or some similar condition.
However, over larger geographical distances, genetic differentiation is more similar to the levels observed here.
These flaviviruses have overlapping clinical syndromes and geographical distribution, but diagnostic differentiation is important because of different clinical consequences.
