| 白斑狗鱼与黑斑狗鱼繁殖力的比较研究 |
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| 引用本文： | 霍堂斌,袁美云,阿达可白克·可尔江,张丽荣,姜作发.白斑狗鱼与黑斑狗鱼繁殖力的比较研究[J].大连水产学院学报,2010,25(6):511-517. |
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| 作者姓名： | 霍堂斌 袁美云 阿达可白克·可尔江 张丽荣 姜作发 |
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| 作者单位： | [1]中国水产科学研究院黑龙江水产研究所 农业部黑龙江流域渔业资源与环境重点野外科学观测试验站,黑龙江哈尔滨150070 [2]哈尔滨市农业科学院水产研究分院,黑龙江哈尔滨150078 [3]新疆维吾尔自治区水产科学研究所,新疆乌鲁木齐830000 [4]国家环保部生物多样性保护办公室,北京100035 |
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| 基金项目： | 黑水研基本科研专项，环保部全国生物物种资源联合执法检查和调查项目，农业部鱼类生物育种实验室资助项目 |
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| 摘 要： | 对白斑狗鱼Esoxlucius和黑斑狗鱼Esoxreichrti的个体繁殖力进行了比较,并对两种狗鱼的个体繁殖力与其各主要体征指标的关系进行分析。结果表明：白斑狗鱼绝对繁殖力（F）为3 808～173 500粒/尾,黑斑狗鱼的F为5 380～184 630粒/尾,两种狗鱼的个体相对繁殖力（FW）差异极显著（P〈0.01）,F和相对繁殖力（FL）差异不显著。F、FW和FL与各主要体征指标呈正态分布,白斑狗鱼F、FW和FL与各主要体征指标关系密切;黑斑狗鱼F与各主要体征指标关系密切,FW和FL与各体征指标的关系均不密切。白斑狗鱼的F、FL、FW与各体征指标的多元逐步回归方程分别为F=-50090.38＋421.661Wo-74.083Wn＋205.845L,FL=6.977＋0.271Wo,FW=-5.88＋0.37L＋0.514M;黑斑狗鱼F、FL、FW与各体征指标的多元逐步回归方程分别为F=-19300.721＋33.262Wn＋728.415M,FL=-20.948＋0.129Wn＋2.056M-0.071W,FW=15.743＋0.661M。根据两种狗鱼的卵径频率分布图判断,白斑狗和黑斑狗鱼都为一次性产卵鱼类。
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| 关 键 词： | 个体绝对繁殖力 个体相对繁殖力 卵径 白斑狗鱼 黑斑狗鱼 |
The comparison of individual fecundity between Northern pike Esox lucius and Amur pike Esox reichrti |
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| HUO Tang-bin,YUAN Mei-yun,ADAKBEK·kar,ZHANG Li-rong,JIANG Zuo-fa.The comparison of individual fecundity between Northern pike Esox lucius and Amur pike Esox reichrti[J].Journal of Dalian Fisheries University,2010,25(6):511-517. |
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| Authors: | HUO Tang-bin YUAN Mei-yun ADAKBEK·kar ZHANG Li-rong JIANG Zuo-fa |
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| Institution: | 1.Heilongjiang River Fisheries Research Institute,Key Field Scientific Observation Station of Fisheries Resources and Environment in Heilongjiang River Valley,Ministry of Agriculture,Harbin 150070,China;2.Institute of Fisheries Research,Harbin Academy of Agricultural Sciences,Harbin 150078,China;3.Institute of Fisheries Science,Xinjiang Uygur Autonomous Region,Urumqi 830000,China;4.Biodiversity Conservation Office,Ministry of Environmental Protection of the People′s Republic of China,Beijing 100035,China) |
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| Abstract: | The individual fecundity and the related physical characters were evaluated between northern pike Esox lucius and Amur pike Esox reichrti.The results showed that northern pike had absolute fecundity（F） between 3 808 and 173 500 eggs and Amur pike between 5 380 and 184 630 eggs.There was very significant difference in individual relative fecundity to weight（FW） between northern pike and Amur pike（P0.01）,while there was no significant difference in individual relative fecundity to length（FL） between northern pike and Amur pike（P0.05）.F,FW and FL were all found to show normal distribution,and the relationships among F,FW and FL and main physical characters were close in northern pike.In Amur pike,only the relationship between F and main physical characters was also close related in stead of the others.The multiple stepwise regression equations of F,FL and FWin northern pike,and the main physical character measures were F=-50090.38＋421.661Wo-74.083Wn＋205.845L,FL=6.977＋0.271 Wo and FW=-5.88＋0.37L＋0.514M,respectively.For Amur pike,the multiple stepwise regression equations of F,FL and FW and the main physical character measures were F=-19300.721＋33.262 Wn ＋728.415M,FL=-20.948＋0.129 Wn ＋2.056M-0.071W and FW=15.743＋0.661M.Both pike spawn only once a year according to the frequency distribution of ovum diameter. |
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| Keywords: | individual absolute fecundity individual relative fecundity ovum diameter Esox lucius Esox reichrti |
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