It was perhaps because the ocean was so generous, and there was no experience of inland water resources being exhausted, that there was, according to A History of the Fishing Industry in China, rarely any regulation of fishing in the Yuan, Ming, or Qing dynasties.
或許海洋廣闊，未出現內陸淡水資源枯竭的情形，根據《中國漁業史》記載，元明清三朝少見對漁業資源撈捕的規範與管理。