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当前位置: 首页 > 文章 > 附着基的摆放方式对仿刺参幼体附着的影响 水产学杂志 2014 (1) 35-40
Position: Home > Articles > The Effects of Shelter Displacement on Attachment of Larval Sea Cucumber(Apostichopus japonicus) Chinese Journal of Fisheries 2014 (1) 35-40

附着基的摆放方式对仿刺参幼体附着的影响

作  者：
杨阳;赵绪学;姜玉声;张剑诚;丛文虎;宫德龙;王吉桥
单  位：
大连棒棰岛海产有限公司;大连金砣水产食品有限公司;大连机械设备成套公司;大连海洋大学水产与生命学院
关键词：
仿刺参;幼体;附着基;附着率;附着量
摘  要：
在水温17~20℃下,将仿刺参(Apostichopus japonicus)耳状幼体放入200cm×30cm×35cm的长方形水槽中,投喂盐藻(Dunaliella salina)和牟氏角毛藻(Chaetoceros müelleri)的等比例混合液(密度为8000个·mL-1),常规管理。待耳状幼体后期,投放9组、每组由3层20cm×30cm的聚乙烯波纹板组成的附着基,其中3组与水槽底水平放置(0°),3组垂直(90°)于水槽底放置,3组与水槽底呈45°角倾斜放置,每种设置3个平行。经28d的饲养表明:仿刺参幼体的附着率随着附着基摆放深度的加深而增大,随倾斜角度的增大而减少。水平放置的附着基的附着率比45°倾斜放置的高253.43%,比垂直放置的高283.51%,差异极显著(P<0.001);但45°倾斜角放置的附着基比垂直放置的高8.51%,差异不显著(P<0.05)。水平放置的附着基下层的附着率比中层高63.31%,差异不显著(P>0.05),比上层高170.23%,差异极显著(P<0.01)。文中讨论了水平放置的附着基和附着基下层仿刺参幼体附着率高的机理。
译  名：
The Effects of Shelter Displacement on Attachment of Larval Sea Cucumber(Apostichopus japonicus)
作  者：
YANG Yang;ZHAO Xu-xue;JIANG Yu-sheng;ZHANG Jian-cheng;CONG Wen-hu;GONG De-long;WANG Ji-qiao;College of Fisheries and Life Science,Dalian Ocean University;Dalian Bangchuidao Sea Food Co. LtD;Dalian Golden Stones Fishery Products Co. LtD;Dalian Machinery Co. LtD;
关键词：
sea cucumber(Apostichopus japonicus);;larva;;shelter;;attachment rate;;attachment count
摘  要：
The sea cucumber(Apostichopus japonicus Selenka)auriculariae were reared in a plastic tank of 200 cm×30 cm×35 cm and fed a green alga mixture of Dunaliella salina and Chaetoceros müelleri(density: 8000 cells/ml)under convenient husbandry at water temperature of 17℃~20℃ for 28 days. The shelters were displaced into the tank with a parallel to the tank bottom at a angle of 0°,45°or 90° with triplication when the auriculariae became into later uriculariae. The results showed that there were more sea cucumber larvae on the shelters displaced with increase in depth. However,there were less sea cucumber larvae on the shelters displaced as increase in the angle degree. There was 63.31% higher attachment rate of the larvae on the lower layer than that in the middle layer in the parallel shelter,no significant significance(P>0.05),170.23% higher than that in the upper layer,very significant difference(P<0.01). The larvae showed 253.43% and 283.51% higher attachment rate on the parallel shelter than the larvae on the slope shelter and the perpendicular shelter did,respectively,very significant difference(P<0.01). There was no significant difference in attachment rate between the slope shelter and the perpendicular shelter(P>0.05),even though the larvae had 8.51% higher attachment rate on the slope shelter than on the perpendicular shelter.

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