调查期间从东山港记录到的误捕致死的20头小型鲸类中，6头（占30%）为瓶鼻海豚，分别由拖网和围网捕获。
Totally 20 individuals of small cetaceans were incidentally captured from Dongshan Ports during our study . Among them 6 ( 30 % ) were bottlenose dolphins , and they were captured by trawl net ( 2 individuals ) and purse net ( 4 individuals ) .
东山港