Abstract： Manila clam Ruditapes philip pinarum ,sowing in Hangu shallow sea ,occurred serious death with the mortality as high as 86 .2% ,and the grow th was slow from September to October in 2012 .The survey showed that (1)mortality of clams increased with increase in stocking density ;(2)heavy metals , petroleum hydrocarbons and other chemical factors in the seawater and sediments were not excessive ;(3) chlorophyll concentration and primary production were significantly lower from June to August .A large number of mussels Musculus senhousei occurred in mid-June ,and disappeared from September to October , when clams death seriously .The cause of this death in clams was speculated that :the M .senhousei existed in surface sediments competed for food and dissolved oxygen with clams ;mass byssus network impacted clams for feeding and breathing .In addition ,the lower primary production exacerbated the death of the clams .
收稿日期: 2013-07-25
引用本文:
李永仁,郭永军,邢克智. 汉沽养殖菲律宾蛤仔突发性死亡原因调查及分析[J]. 水产科学, 2013, (7): 424-427.
LI Yong-ren,GUO Yong-jun,XING Ke-zhi. The Causative Survey of Sudden Death of Manila Clam Ruditapes philippinarum Cultured in Hangu,Tianjin. Fisheries Science, 2013, (7): 424-427.
