摘要
Deqing,a county in Zhejiang Province,is known as a“land of water”for its intri-cate network of waterways,canals and lakes.This abundance of water provides a strong foundation for freshwater aquaculture,fostering the production of lustrous pearls.For centuries,the people of Deqing have practiced a unique freshwater pearl composite farming system cen-tered on"fish-mussel co-culture."
