Chhōe kî-thaⁿ ēng-hoat, khòaⁿ Kûn-thé (khu-pia̍t).

Kûn-thé (Eng-gí: population), he̍k-chiá kóng kò-thé-kûn (Ji̍t-gí: 個体群), lēng-gōa ia̍h ū chéng-kûn (Hôa-gí: 种群), cho̍k-kûn, chi̍p-thoân téng kong-hoat, sī chi̍t-ê só͘-chāi tī kâng sî-kan lāi ê tan-to̍k bu̍t-chéng só͘-ū ê seng-bu̍t-thé ê chi̍p-thé. Pún khài-liām nā ēng tī lâng ê siā-hoē, to̍h ē-tàng thè-ōaⁿ chò jîn-kháu lâi piáu-sī.

Wilhelm Johannsen tī 1903 nî tāi-seng the̍h chhut chit-ê kài-liām.