Populations that have contiguous but non-overlapping geographic distibutions. See also sympatric and allopatric.
Having some geographic overlapping of distributions with the potential for gene flow between populations. See sympatric and allopatric.
(Gk: para biside/beyond; patria/patrius fatherland) referring to populations with contiguous but not overlapping geographic ranges. See also sympatric and allopatric.
(applied to two or more species) Having ranges that abut, but do not overlap.
referring to organisms whose ranges do not significantly overlap but are immediately adjacent to each other
Having distributions that may abut, but do not overlap, or having non-overlapping distributions with other similar, closely related species.