Over 80 % of the population of Lanyu are Yami people, and it's generally accepted that their living conventions affect their principal means of economic activity and determine the way they raise livestock.
蘭嶼島上超過 8 成人口是雅美（達悟）族人，一般認為，他們的生活習俗影響了島上的主要經濟形態，也決定了飼養禽畜的方式。