allopatricadj.

1942 E. Mayr Systematics & Origin of Species vii. 149 Two forms (or species) are allopatric, if they do not occur together, that is if they exclude each other geographically.

1958 Canad. Jrnl. Zool. 36 148 Reproductive isolation is more likely to be present between closely related sympatric species than between closely related allopatric species.

1989 Nature 30 Nov. 541/1 The origin of dwarfed red deer on Jersey is an example of rapid evolution in an allopatric isolate.

2000 C. Little Biol. Soft Shores & Estuaries (2009) iv. 84 Allopatric populations of the two species show nearly identical shell sizes.

1943 Amer. Naturalist 77 174 There is perhaps an overstress too on the contrast between sympatric and allopatric speciation.

1991 R. Goldring Fossils in Field vi. 116 In a tropical area with many islands there is greater opportunity for allopatric speciation to occur.

2005 A. Burdick Out of Eden (2006) xv. 190 The whole understanding of the evolution of biota that we teach in biology is one of allopatric speciation.

1948 Evolution 2 59/2 They differ in their microclimatic requirements in such a way as to suggest that they evolved allopatrically in regions differing primarily in humidity.

1968 Science 8 Mar. 1069/1 In the case of a chromosomal rearrangement which first establishes itself near the edge of a species distribution, one can imagine it spreading both inwards through the range of the species (stasipatrically) and outwards into previously unoccupied territory (allopatrically).

2006 N.Y. Times (Nexis) 21 Feb. f3/1 Two species sharing an island may well have evolved allopatrically elsewhere, for example, only later moving to the island in two separate invasions.