| 生态因子的波动对多刺裸腹溲雄体发生的影响 |
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| 引用本文： | 王金秋,黄博.生态因子的波动对多刺裸腹溲雄体发生的影响[J].应用生态学报,2000,11(1):135-137. |
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| 作者姓名： | 王金秋 黄博 |
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| 作者单位： | [1]复旦大学环境和资源生物学系,上海 [2]华东师范大学生物学系,上海 |
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| 摘 要： | 采用克隆培养法，研究了几种主要生态因子的波动对多刺裸腹溲雄体发生的影响和该溲对上述生态因子波动的敏感程度。结果表明，无论是一次性剧烈刺激，还是持续性渐进刺激，该溲均未能直接产生雄体，即溲的孤雌生殖雌体不能直接转变为混交雌体（两性生殖雌体）；在光照、温度、饵料密度、ｐＨ值持续性渐进波动时，该溲种群的内禀增长率分别为０．７７４８、０．７４８１、０．６５３９和０．６３１０ｄ＾－１ｉｎｄ＾－１，比对照组降
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| 关 键 词： | 多刺裸腹溲 雄体发生 世代交替 温度 pH值 |
Influence of fluctuating ecological factors on male occurrence of Moina macrocopa] |
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| J Wang,J Zhang,B Huang.Influence of fluctuating ecological factors on male occurrence of Moina macrocopa][J].Chinese Journal of Applied Ecology,2000,11(1):135-137. |
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| Authors: | J Wang J Zhang B Huang |
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| Institution: | Department of Environmental and Resources Biology, Fudan University, Shanghai, 200433. jqwang@fudan.edu.cn |
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| Abstract: | Studies with clonal culture show that female M. macrocopa did not produce male progeny directly, or, in other words, the parthenogenetic(amictic) female could not transform into microtic(amphoteric) female, when suffered from one-off acute or durative progressive stimulation. Under durative progressive stimulation by illumination, temperature, food density or pH, the intrinsic rates of increase were 0.7748, 0.7481, 0.6539 and 0.6310 d-1 ind-1, 0.9%, 4.0%, 16.4% and 19.3% less than the control, respectively, indicating that the animal was more sensitive to the fluctuation of food density and pH followed by temperature. |
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