interpopulation       
adjective [ before noun ] (also inter-population) uk/ˌɪn.tə.pɒp.jəˈleɪ.ʃən/ us/ˌɪn.t̬ɚ.pɑː.pjəˈleɪ.ʃən/
 种群间的;人群间的
between different populations (= groups of people, animals, or plants that live in a particular place)
  The interpopulation diversity was very high.
 Interpopulation variation is attributable to changes in environmental conditions. 种群间的差异可归因于环境条件的变化。 
 Synonym: interpopulational
 - More examples
 - Several factors have been proposed to explain interpopulation differences in immune response.
 - This species is characterized by a very high incidence of interpopulation migration.
 - Interpopulation variation in the rate of twins may result, in part, from individual variation in rejection of embryos in the early stages of pregnancy.