| 南海东沙群岛海域圆鲹属鱼类矢耳石的形态特征分析 |
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| 引用本文： | 欧利国,刘必林.南海东沙群岛海域圆鲹属鱼类矢耳石的形态特征分析[J].南方水产科学,2019(3):33-40. |
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| 作者姓名： | 欧利国 刘必林 |
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| 作者单位： | 上海海洋大学海洋科学学院;国家远洋渔业工程技术研究中心;大洋渔业资源可持续开发教育部重点实验室;农业农村部大洋渔业开发重点实验室 |
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| 基金项目： | 国家自然科学基金项目(41306127);上海市浦江人才计划项目(18PJ1404100) |
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| 摘 要： | 该研究对采集于中国南海东沙群岛105尾圆鲹属鱼类长体圆鲹(Decapterus macrosoma)、泰勃圆鲹(D. tabl)、无斑圆鲹(D. kurroides)]的矢耳石形态进行了观察与测定。圆鲹属鱼类矢耳石呈长椭圆形,基叶发达,种间差异明显。长体圆鲹基叶前端略微向下弯曲;泰勃圆鲹耳石背部脊突发育明显,呈锯齿状,基叶前端略宽厚;无斑圆鲹耳石整体轮廓较光滑,翼叶发育不明显。根据形态指标(耳石长、耳石宽、基叶长、基叶宽、耳石质量、耳石面积等)对不同种圆鲹属鱼类(长体圆鲹、泰勃圆鲹、无斑圆鲹)的判别成功率分别为100%、100%、91.7%。研究结果表明矢耳石可作为鉴别圆鲹属鱼类的一种材料。
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| 关 键 词： | 圆鲹属 矢耳石 形态 判别分析 东沙群岛 |
Sagittae morphology of genus Decapterus from Dongsha Islands in South China Sea |
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| OU Liguo,LIU Bilin.Sagittae morphology of genus Decapterus from Dongsha Islands in South China Sea[J].South China Fisheries Science,2019(3):33-40. |
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| Authors: | OU Liguo LIU Bilin |
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| Institution: | (Shanghai Ocean University,Shanghai 201306,China;National Distant-Water Fisheries Engineering Research Center,Shanghai Ocean University,Shanghai 201306,China;Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources,Ministry of Education,Shanghai Ocean University,Shanghai 201306,China;Key Laboratory of Oceanic Fisheries Exploration,Ministry of Agriculture and Rural Affairs,Shanghai 201306,China) |
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| Abstract: | OU Liguo;LIU Bilin(Shanghai Ocean University,Shanghai 201306,China;National Distant-Water Fisheries Engineering Research Center,Shanghai Ocean University,Shanghai 201306,China;Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources,Ministry of Education,Shanghai Ocean University,Shanghai 201306,China;Key Laboratory of Oceanic Fisheries Exploration,Ministry of Agriculture and Rural Affairs,Shanghai 201306,China) |
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| Keywords: | Decapterus sagittae morphology discriminant analysis Dongsha Islands |
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