noun
introduced species; non-native species; alien species
Refers to species that have been brought into a new area by human activity, intentionally or accidentally. Often used in ecological contexts. Compare with 外来種, which is more common and may include invasive species.
See also: 外来種
この湖には移入種の魚が数種類生息している。
Several species of introduced fish inhabit this lake.
移入種が在来種に与える影響を調査する。
We investigate the impact of introduced species on native species.
在来種 means native species, the opposite of 移入種.
Compound of 移入 (いにゅう, 'importation, introduction') and 種 (しゅ, 'species').