| ZHENG ZHONG,CAO WENQING.STUDIES ON THE MARINE CLADOCERA OF CHINA Ⅲ. REPRODUCTION[J].Acta Oceanologica Sinica,1986,(2):271-283 |
| STUDIES ON THE MARINE CLADOCERA OF CHINA Ⅲ. REPRODUCTION |
| STUDIES ON THE MARINE CLADOCERA OF CHINA Ⅲ. REPRODUCTION |
| 投稿时间：1984-07-14 修订日期：1984-09-20 |
| DOI： |
| 中文关键词: |
| 英文关键词: |
| 基金项目: |
|
| 摘要点击次数: 803 |
| 全文下载次数: 562 |
| 中文摘要: |
| Studies are made on the reproduction of two common marine Cladocera (Penilia avirostris,Evadne ter-gestina) of China with emphasis on the fertility of parthenogenetic females (P♀).A positive correlation exists between the fertility and the size of the same species; but no such correlation is found between the fertility and the size of different species.The fertility is,on the whole,higher in summer and is related to the seasonal fluctuation of population density,both attaining their maximum period in summer; but the former appears about half a month earlier than the latter,A brief account is given of the sexual reproduction,including the respective size and the seasonal variation of sexual individuals (S♀,♂) together with a note on the sex-ratio and the characteristics of resting egg. |
| 英文摘要: |
| Studies are made on the reproduction of two common marine Cladocera (Penilia avirostris,Evadne ter-gestina) of China with emphasis on the fertility of parthenogenetic females (P♀).A positive correlation exists between the fertility and the size of the same species; but no such correlation is found between the fertility and the size of different species.The fertility is,on the whole,higher in summer and is related to the seasonal fluctuation of population density,both attaining their maximum period in summer; but the former appears about half a month earlier than the latter,A brief account is given of the sexual reproduction,including the respective size and the seasonal variation of sexual individuals (S♀,♂) together with a note on the sex-ratio and the characteristics of resting egg. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|