In biology, the discontinuous distribution of a species over separate areas. There are known cases where a species was once distributed over a wide area, but now exists discontinuously due to changes in climate or sea level, and cases where a species was originally distributed in a certain area but is now distributed over separate areas due to continental drift. Discontinuous distribution. Source: About Shogakukan Digital Daijisen Information | Legend |
生物学で、ある種が離れた場所に不連続に分布していること。かつては広域に分布していたが、気候や海水面の変動などによって、不連続に残存する例や、元はある領域に分布していた種が大陸移動によって離れて分布する例が知られる。不連続分布。
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