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Related to allopatry: sympatry


1. Occupying separate, nonoverlapping geographic areas. Used of organisms, especially populations of the same or closely related species.
2. Occurring among populations having such a distribution: allopatric speciation.

[allo- + Greek patrā, fatherland (from patēr, patr-, father; see pəter- in Indo-European roots) + -ic.]

al′lo·pat′ri·cal·ly adv.
al·lop′a·try (ə-lŏp′ə-trē) n.


the condition of existing in areas that are geographically separated from one another; esp the condition of genetically similar species which cannot interbreed because of this geographical separation
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.allopatry - the occurrence of related organisms in separate geographical areas with no overlap
occurrence - an instance of something occurring; "a disease of frequent occurrence"; "the occurrence (or presence) of life on other planets"
sympatry - the occurrence of organisms in overlapping geographical areas, but without interbreeding
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References in periodicals archive ?
However, in some cases inference of historical allopatry may be open to alternative interpretations or refinements of the geographic context of divergence (e.
Historical allopatry and the biogeography of speciation in the prosobranch snail genus Nucella.
1999) that more Midas cichlid species await scientific description in allopatry and in sympatry with currently described species.
xerampelinus occurs in allopatry (Volcan Baru and Cerro de la Muerte) or where the two species meet (Volcan Irazu).
Littoral Tanaidacea (Crustacea: Peracarida) from Macaronesia: allopatry and provenance in recent habitats.
quadripunctata to overlap in distribution in Mississippi but drive allopatry between them in other areas.
The objective of this study was to test the systematic identity and genetic divergence distinguishing the two subspecies in areas of sympatry and allopatry in comparison to other subspecies and close relatives.