外がい来らい生せい物ぶつ

noun

non-native species; introduced species; alien species

Refers to organisms that have been introduced, intentionally or accidentally, to an area outside their native range. Often used in ecological and environmental contexts.

• 外がい来らい生せい物ぶつが在ざい来らい種しゅに悪あく影えい響きょうを与あたえることがある。

  Non-native species can sometimes have a negative impact on native species.

• この池いけには外がい来らい生せい物ぶつの魚さかなが放ほう流りゅうされた。

  Non-native fish were released into this pond.