It was taken up by Einar Haugen, who pioneered a form of linguistics which used the metaphor of an ecosystem to describe the relationships among the diverse forms of language found in the world, and the groups of people who speak them.
Uveo ga je Einar Haugen, koji je upotrebio metaforu ekosistema da opiše odnose između različitih formi jezika u svetu i grupa ljudi koji se njima služe.