Does a special term exist for a geographical barrier of 'lithologic' nature?

12 December 2018 0 8K Report

If the spatial distribution of a rodent species is constrained in its spatial distribution by the granulometric composition of the upperpost part of the geological section (i.e., the soil, and, may be, what is below), how to designate the nature of this barrier? Edaphic barrier? Soil barrier?

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