Han, Y.-S.Y.-S.HanTzeng, W.-N.W.-N.Tzeng2010-09-062018-07-062010-09-062018-07-062006http://ntur.lib.ntu.edu.tw//handle/246246/199891en-USUse of the sex ratio as a means of resource assessment for the Japanese eel: A case study in the Kaoping River of Taiwan