不同光照时间、强度对舟山褐牙鲆稚幼鱼摄食、生长的影响 |
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引用本文: | 楼宝,;史会来,;毛国民,;骆季安,;辛俭,;郑代明. 不同光照时间、强度对舟山褐牙鲆稚幼鱼摄食、生长的影响[J]. 浙江水产学院学报, 2008, 0(2): 140-143 |
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作者姓名: | 楼宝, 史会来, 毛国民, 骆季安, 辛俭, 郑代明 |
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作者单位: | [1]浙江海洋学院海洋与渔业研究所,浙江省海洋水产研究所,浙江舟山316100 |
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基金项目: | 浙江省科技计划项目(2007F10006;2006F12002;2006C22038) |
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摘 要: | 光照时间和光照强度对舟山牙鲆稚幼鱼摄食和生长有显著的影响。(1)全黑暗和全亮试验组增长率最小,仅为5.0%和5.9%,成活率最低;光照16h和12h组幼鱼的成活率最高,均为100%,光照12h时牙鲆幼鱼摄食强度最大,幼鱼体长及其增长率均显著高于其它各组,(P〈0.05);(2)光照强度为500lx时,牙鲆幼鱼日摄食强度最大,体长及其增长率均显著高于其它各组(P〈0.05)。
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关 键 词: | 牙鲆 光照强度 生长 成活率 |
Effects on Feeding and Growth of Juvenile ZhouShan Paralichthys olivaceus under Different Illuminances Times and Intensities |
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Affiliation: | LOU Bao, SHI Hui-lai, MAO Guo-min, et al (Marine and Fishery Research In stitute of Zhejiang Ocean University, Marine Fisheries Research Institute of Zhejiang Provine, Zhoushan 316100, China) |
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Abstract: | The effects on feeding and growth of juvenile under different illuminances times and intensities were prominent.1 The growth rates were minimal in the all-dark and all-bright trial, only 5.0% and 5.9% respectively, and the survival rates were lowest. Illumined 16 hours and 12 hours the survival rates were 100%, and illumined 12 hours the feeding intensities were most, and the length and growth rates were superior to others (P〈0.05). 2 Under the light of 500 lx, the feeding intensity was most, and the length and growth rates were suPerior to others(P〈0.05 ). |
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Keywords: | Paralichthys olivaceus illuminances intensity growth survival rate |
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