vicariance
/vaɪˈkeərɪəns/noun
mass noun
- Biology the geographical separation of a population, typically by a physical barrier such as a mountain range or river, resulting in a pair of closely related species【生】（因地理分隔形成的）分替, 替代, 离散。
词源
1950s: from Latin vicarius 'substitute' + -ANCE.