赤潮异弯藻对鳀鱼早期发育的影响  

The effects of Heterosigma akashiwo on the early development of anchovy (Engraulis japonicus)

作　　者：梁忠秀[1] 孙耀[1] 张秀梅[2] 陈碧鹃[1] 

机构地区：[1]中国海洋大学水产学院,青岛266071 [2]中国水产科学研究院黄海水产研究所,青岛266071

出　　处：《海洋水产研究》2004年第4期36-40,共5页Marine Fisheries Research

基　　金：国家重点基础研究发展规划项目 (G1 9990 4 371 0 );中国水产科学研究院基金项目 (0 1 4 1 )共同资助

摘　　要：The effects of cells and cells different fractions of Heterosigma akashiwo on the early development of Engraulis japonicus were studied.The sensitive to algle toxin in the early development of Engraulis japonicus was discussed too.The results indicated that the fertilized eggs before blastula and yolk-sac larva of Engraulis japonicus were more sensitive to algle toxin than other development stage.In the same conditions the toxic effect of cell contents on the early development of Engraulis japonicus was highest, cell-free medium was lowest ,algal culture and cell fragments were in the middle.The survival rate was 4% when Engraulis japonicus in the pre-larval-stage was exposed for 96 hours to cell contents at a high concentration of 90 000 cells/ml but the survival rate was 75% when exposed to cell-free medium.LC 50 values at 96 hours exposed to cell contents and cell fragments were 2 818 and 6 760cells/ml.The effects of cells and cells different fractions of Heterosigma akashiwo on the early development of Engraulis japonicus were studied.The sensitive to algle toxin in the early development of Engraulis japonicus was discussed too.The results indicated that the fertilized eggs before blastula and yolk-sac larva of Engraulis japonicus were more sensitive to algle toxin than other development stage.In the same conditions the toxic effect of cell contents on the early development of Engraulis japonicus was highest, cell-free medium was lowest ,algal culture and cell fragments were in the middle.The survival rate was 4% when Engraulis japonicus in the pre-larval-stage was exposed for 96 hours to cell contents at a high concentration of 90 000 cells/ml but the survival rate was 75% when exposed to cell-free medium.LC 50 values at 96 hours exposed to cell contents and cell fragments were 2 818 and 6 760cells/ml.

关 键 词：赤潮异湾藻(Heterosigma akashiwo) 鳃鱼(Engraulis ja ponicus)早期发育 毒性 

分 类 号：S943.318[农业科学—水产养殖]