| The Influences of Mg~(2+), Ca~(2+) and Mg ~(2+)/Ca ~ (2+) Ratio in Mixed Seawater on the Emergence Rate of Penaeus japonicus Postlarva |
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| 作者姓名： | 臧维玲 戴习林 江敏 姚庆祯 蔡云龙 罗春芳 徐桂荣 丁福江 |
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| 作者单位： | Fisheries College Shanghai Fisheries University，Fisheries College Shanghai Fisheries University，Fisheries College Shanghai Fisheries University，Fisheries College Shanghai Fisheries University，Fisheries College Shanghai Fisheries University，Fisheries College Shanghai Fisheries University，Shanghai Shencao Special Fisheries Development Company，Shanghai Shencao Special Fisheries Development Company Shanghai 200090，China，Shanghai 200090，China，Shanghai 200090，China，Shanghai 200090，China，Shanghai 200090，China，Shanghai 200090，China，Shanghai 201507，China，Shanghai 201507，China |
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| 基金项目： | SponsoredbythemajorprojectoftheAgriculturalCommissionofShanghaiCity .(ProjectNo .( 99) 1 9) |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＰｅｎａｅｕｓｊａｐｏｎｉｃｕｓｉｓａｎｅｕｒｏｘｙｂｉｏｔｉｃｐｅｎａｅｉｄｐｒａｗｎ ,ｗｈｏｓｅｐｒｏｐｅｒｓａｌｉｎｉｔｙｒａｎｇｅｆｏｒｇｒｏｗｔｈｉｓ2 0 -30ａｎｄｏｐｔｉｍａｌｓａｌｉｎｉｔｙｒａｎｇｅｉｓ 2 5-30 (ＷａｎｇａｎｄＬｉｕ ,1 991 ;ＷａｎｇａｎｄＹｕ ,1 999) .Ｉｔｈａｓｇｒｅａｔｏｓｍｏｒｅｇｕｌａｔｉｏｒｙｃａｐａｃｉｔｙ (ＭａｎｔｅｌａｎｄＦａｍｅｒ,1 983) .Ｂｕｔｉｔｓｂｅｓｔｅｎｖｉｒｏｎｍｅｎｔｆｏｒｒｅｐｒｏｄｕｃｔｉｏｎａｎｄｄｅｖｅｌ…
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The Influences of Mg2+ , Ca2+ and Mg2+/Ca2+ Ratio in Mixed Seawater on the Emergence Rate of Penaeus japonicus Postlarva |
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| Abstract: | This paper reports the approprite ranges of Mg 2+, Ca 2+ and their ratio Mg 2+/Ca 2+ in mixed seawater for rearing of Penaeus japonicus larvae. The ranges for the above three indices are 1150-1450 mg/L, 360-440 mg/L and 2.8-3.4, respectively. The proper salinity range of mixed seawater is 22.1-33.8 obtained by mixing estuarine water and concentrated seawater. |
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| Keywords: | Penaeus japonicus rearing larvae mixed seawater magnesium calcium emergence rate |
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