| 中华沙鳅的繁殖生物学研究 |
| |
| 引用本文： | 杨明生,丁夏.中华沙鳅的繁殖生物学研究[J].水利渔业,2010(2). |
| |
| 作者姓名： | 杨明生 丁夏 |
| |
| 作者单位： | 孝感学院生命科学技术学院; |
| |
| 基金项目： | 湖北省教育厅自然科学重点项目(D200726003); 孝感学院资助项目(z2007009) |
| |
| 摘 要： | 2008年4月下旬至5月上旬,在金沙江攀枝花段共采集了160尾中华沙鳅(Botia superciliaris),对其繁殖生态学进行了初步研究。结果表明,中华沙鳅的绝对怀卵量最大为10681粒,平均为6780粒;相对怀卵量最大为443粒/g,平均为269粒/g。中华沙鳅性比接近1∶1,产漂流性卵,产卵类型为一次性产出,繁殖高峰期为5~6月。为保护我国鱼类的生物多样性,应加强对中华沙鳅繁殖种群的保护。
|
| 关 键 词： | 中华沙鳅 繁殖力 金沙江 |
Study on the Reproductive Biology of Botia supercilliaris |
| |
| YANG Ming-sheng,DING Xia.Study on the Reproductive Biology of Botia supercilliaris[J].Reservoir Fisheries,2010(2). |
| |
| Authors: | YANG Ming-sheng DING Xia |
| |
| Institution: | YANG Ming-sheng,DING Xia(College of Life Science,Xiaogan University,Hubei 432000,China) |
| |
| Abstract: | 160 Botia supercilliaris had been collected in the Jinsha River within Panzhihua from April to May,2008,and then a preliminary study on their reproductive bioology was carried out.The results showed that the largest value of absolute fecundity and relative fecundity were 10 681 eggs/fish and 443 eggs/g body weight respectively;the average value of absolute fecundity and relative fecundity were 6 780 eggs/fish and 269 eggs/g body weight respectively.B.supercilliaris is a kind of fish with floating eggs and i... |
| |
| Keywords: | Botia supercilliaris Reproductive capacity Jinsha River |
| 本文献已被 CNKI 等数据库收录！ |
|
