孤雌生殖累积世代数和雌体年龄对萼花臂尾轮虫繁殖的影响

应用生态学报 ›› 2002, Vol. ›› Issue (4): 435-438.

孤雌生殖累积世代数和雌体年龄对萼花臂尾轮虫繁殖的影响

席贻龙¹, 胡好远¹, 耿红¹, 金洪钧², 黄祥飞³

1. 安徽师范大学生命科学学院, 芜湖 241000;
2. 南京大学环境学院, 南京 210093;
3. 中国科学院水生生物研究所, 武汉 430072

收稿日期:2001-04-19 修回日期:2001-08-06
通讯作者: 席贻龙,男,1965年12月生,博士,教授,硕士生导师.主要从事浮游动物生态学研究,在国内外学术刊物发表论文近30篇.现在南京大学环境学院从事博士后研究工作.E-mail:yilongxi@mail.wh.ah163.net
基金资助:
国家自然科学基金(39870158);安徽省自然科学基金(100330);安徽省教委自然科研基金(2000jl084)资助项目.

Effects of cumulative parthenogenetic generation and age of amictic female on the reproduction of rotifer Bra-chionus calyciflorus

XI Yilong¹, HU Haoyuan¹, GENG Hong¹, JIN Hongjun², HUANG Xiangfei³

1. College of Life Science, Anhui Normal University, Wuhu 241000;
2. Institute of Environmental Science, Nanjing U-niversity, Nanjing 210093;
3. Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072

Received:2001-04-19 Revised:2001-08-06

摘要/Abstract

摘要： 采用单个体培养方法,研究了孤雌生殖的累积世代数和雌体年龄对萼花臂尾轮虫混交雌体形成和产卵量的影响.结果表明,随着轮虫孤雌生殖累积世代数的增加,各代中的总混交雌体百分率呈减小的趋势;年幼的雌体可产生较多的混交雌体;非混交雌体所产后代中的总混交雌体百分率具有随其祖母年龄的增大而增大的趋势.孤雌生殖的累积世代数对轮虫非混交雌体的平均产卵量无显著的影响,非混交雌体的年龄对其后代的平均产卵量亦无显著的影响.

关键词: 萼花臂尾轮虫, 孤雌生殖累积世代数, 年龄, 产卵量, 混交雌体百分率, TRMM, CMORPH, PERSIANN, 精度评价, 环渤海地区, 季节差异

Abstract: Effects of cumulative parthenogenetic generation and age of amictic female on mictic female production and fecundity of the rotifer Brachionus calyciflorus were studied by means of individual culture. The results showed that percentage of total mictic females produced by the parental females in each of four generations increased with the increasing generations. More mictic females were produced from younger maternal amictic females. Amictic offspring from older mothers produced more mictic daughters. There was no significant effect of the cumulative parthenogenetic generation on the mean number of eggs produced by amictic females per life cycle, and no significant effect of the age of amictic female on the mean number of eggs produced by the offspring of amictic female.

Key words: Brachionus calyciflorus, Cumulative parthenogenetic generation, Age, Fecundity, Percentage of mictic female, PERSIANN, TRMM, CMORPH, seasonal variation, performance evaluation, Circum-Bohai-Sea Region

中图分类号:

Q959.181

席贻龙, 胡好远, 耿红, 金洪钧, 黄祥飞. 孤雌生殖累积世代数和雌体年龄对萼花臂尾轮虫繁殖的影响[J]. 应用生态学报, 2002, (4): 435-438.

XI Yilong, HU Haoyuan, GENG Hong, JIN Hongjun, HUANG Xiangfei. Effects of cumulative parthenogenetic generation and age of amictic female on the reproduction of rotifer Bra-chionus calyciflorus[J]. Chinese Journal of Applied Ecology, 2002, (4): 435-438.

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