%0 Journal Article %T Impacts of B[a]P on the Development of Pinctada martensii D-shaped Veliger Larvae
苯并[a]芘对马氏珠母贝D型面盘幼虫发育的影响 %A Yang Bao %A Diao Xiaoping %A Xie Jia %A Zhao Chunfeng %A Zhou Hailong %A
杨宝 %A 刁晓平 %A 谢嘉 %A 赵春风 %A 周海龙 %J 生态毒理学报 %D 2012 %I %X Ba]P is the most studied polycyclic aromatic hydrocarbons (PAHs),which widely exists in the marine environment.Invertebrates are threatened by PAHs in their whole life.In this paper,the impacts of Ba]P on the development of D-shaped veliger larvae of Pinctada martensii were studied.When fertilized eggs growed up to D-shaped veliger larvae,they were exposed to Ba]P at six different concentrations of 0,1,2,4,10 and 15 μg·L-1.The mortality and aberration rate were calculated after D-shaped veliger larvae exposed for 12,24,36,48,72,and 84 hours.Results showed that the mortality was positive to exposure time.Ba]P has a significantly toxic effect on D-shaped veliger larvae of Pinctada martensii.Larvae in 4 and 10 μg·L-1 groups were much more sensitive than that in other groups.The morality was positive to the concentration of Ba]P in the range of 1~10 μg·L-1.Ba]P could significantly deform D-shaped veliger larvae.Moreover,exposed to high concentration of Ba]P resulted in the early appearence of the abnormal individual.Additionally,LC50 gradually decreased then kept a constant.48h-LC50 was 21.56 μg·L-1.The results indicated that Ba]P had negative effects on the developement of D-shaped veliger larvae of Pinctada martensii and their populative structure. %K Pinctada maetensii %K B[a]P %K malformation %K mortality %K half lethal concentration
马氏珠母贝 %K 苯并[a]芘 %K 畸形 %K 死亡率 %K 半数致死浓度(LC50) %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=BEC1F4700DD66C14D137590A0896A0AD&jid=B98D390DF92C35E6DD1987675E4EE86E&aid=05DF422DD02E96BFD28BAED78BC17905&yid=99E9153A83D4CB11&vid=DF92D298D3FF1E6E&iid=0B39A22176CE99FB&sid=1B64850025D0BBBE&eid=D5C73DEF4CF8FAF3&journal_id=1673-5897&journal_name=生态毒理学报&referenced_num=0&reference_num=0