| 呼伦湖蒙古油繁殖生物学的研究 |
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| 引用本文： | 李树国,张全诚,高庆全,成永旭.呼伦湖蒙古油繁殖生物学的研究[J].淡水渔业,2008,38(5). |
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| 作者姓名： | 李树国 张全诚 高庆全 成永旭 |
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| 基金项目： | 内蒙古民族大学校科研和教改项目，内蒙古高等学校科研项目 |
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| 摘 要： | 对蒙古油(Hemiculter bleekeri warpachowskyi)的繁殖季节、繁殖习性、繁殖力、性比等繁殖生物学指标进行了研究。结果表明:蒙古油属敞水性产卵类型,粘性卵,为一次产卵类型。蒙古油初次性成熟年龄为1龄,繁殖季节为6月中旬至7月下旬,以7月中旬为产卵盛期。蒙古油个体绝对生殖力F为2021~15470粒,个体体长相对生殖力FL为230~1137粒/cm,个体体重相对生殖力FW为273~700粒/g;个体体长相对生殖力、个体体重相对生殖力分别和体长、体重成二次方程和三次方程关系。繁殖前期雌雄性比1∶0.83,繁殖期雌雄性比为1∶1.11。
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| 关 键 词： | 呼伦湖 蒙古油(Hemiculter bleekeri warpachowskyi) 繁殖生物学 性比 繁殖力 |
Study Reproductive Biology of Hemiculter bleekeri warpachowskyi in Hulun Lake of Inner Mongolia |
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| LI Shu-guo,ZHANG Quan-cheng,GAO Qing-quan,CHENG Yong-xu.Study Reproductive Biology of Hemiculter bleekeri warpachowskyi in Hulun Lake of Inner Mongolia[J].Freshwater Fisheries,2008,38(5). |
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| Authors: | LI Shu-guo ZHANG Quan-cheng GAO Qing-quan CHENG Yong-xu |
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| Abstract: | The reproductive season,habitat,fecundity and sexual ratio of H.bleekeri warpachowskyi have been studied.The results show that H.bleekeri warpachowskyi is an open water spawner that does not spawn by batches and eggs spawed is emplastic.It is reaching the first sexual maturity in the second year.The reproductive season starts from late June to July and the flourishing season is early July.Individual absolute fecundity is 2021～15470 cells,the body length and weight relative fecundity is 230～1137 cells/cm and 273～700 cells/g respectively.The sexual ratio between the female and male is 1∶0.83 and 1∶1.11 before and in reproductive season respectively. |
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| Keywords: | Hulun Lake H bleekeri warpachowskyi reproductive biology sexual ratio fecundity |
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