Seng-thài-ha̍k sī leh gián-kiù seng-thài-hē (ecosystem) ê kho-ha̍k, khiā kóng oa̍h-mi̍h kap i khiā-khí ê chū-jiân khoân-kéng chái-iūⁿ hō͘-tōng (interaction). Khoân-kéng pau-hâm khiā toà kāng 1 ê seng-thài-hē, ū sìⁿ-miā ê chióng chióng oa̍h-mi̍h kap bô-sìⁿ-miā (abiotic) ê pha̍k-ji̍t (insolation), khì-haū, tē-chit, ....

Ernst Haeckel tī 1886 hoat-bêng seng-thài-ha̍k (Tek-gí: Ökologie) chit ê gí-sû.


Wikimedia Commons téng ê siong-koan tóng-àn: Ecology