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学科主题: Marine & Freshwater Biology
题名: Life history characteristics of Macrothrix rosea (Jurine, 1820) (Cladocera, Macrothricidae) in laboratory conditions
作者: Huang, Xiaona1; Shi, Xinlu1, 2; Xu, Sen3; Liu, Guijie1, 2; Ma, Limin1; Sun, Zhiqiang1
通讯作者: Shi, XL (reprint author), Hangzhou Normal Univ, Hangzhou Key Lab Anim Adaptat & Evolut, Hangzhou 310036, Peoples R China ; shixl56@163.com
关键词: Cladocera ; morphology ; growth ; reproduction ; instar
刊名: JOURNAL OF LIMNOLOGY
发表日期: 2011
DOI: 10.3274/JL11-70-2-13
卷: 70, 期:2, 页:248-254
收录类别: SCI
文章类型: Article
部门归属: [Huang, XN; Shi, XL; Liu, GJ; Ma, LM; Sun, ZQ] Hangzhou Normal Univ, Hangzhou Key Lab Anim Adaptat & Evolut, Hangzhou 310036, Peoples R China; [Shi, XL; Liu, GJ] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Xu, S] Univ Windsor, Great Lakes Inst Environm Res, Windsor, ON N9B 3P4, Canada
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China[31071880, 31030059]; Zhejiang Provincial Natural Science Foundation of China[Y3100128]; National Key Laboratory of Freshwater Ecology and Biotechnology of China[2009FB11]; Hangzhou Key Laboratory for Animal Adaptation and Evolution, Hangzhou Normal University[2010100333T05]
类目[WOS]: Limnology
研究领域[WOS]: Marine & Freshwater Biology
摘要: Our knowledge of the lift history characters of medium-size cladoceran species remains quite restricted. In order to address this issue, the present study examined the life history of a medium-size species, Macrothrix rosea (Cladocera, Macrothricidae), in laboratory conditions. Neonates produced by previously acclimatized parthenogenetic females were cultured at 25 +/- 1 degrees C to investigate their growth rate, fecundity, and development. Our results show that individuals of M. rosea underwent three juvenile instar stages and 10 adult instars at 25 degrees C, with an average lift span 33 +/- 6.33 days. The average total number of eggs produced per individual was 121.04, with a maximum of 151. Individuals in the seventh instar stage (fourth adult instar) produced the largest number of offspring. The growth of body length showed a logarithmic pattern, whereas the cumulative fecundity and population growth appeared to be logistic. Furthermore, we compared the growth and mean fecundity from the birth to the first adult ins-tar at three different temperatures (i.e., 15, 20, and 25 degrees C). The growth rate of body length was slower at lower temperatures than at higher temperatures, while the mean fecundity was higher and the time needed for developing to adult was longer at lower temperatures. In conjunction with previous studies, our data suggest several shared lift history characteristics among cladocerans.
英文摘要: Our knowledge of the lift history characters of medium-size cladoceran species remains quite restricted. In order to address this issue, the present study examined the life history of a medium-size species, Macrothrix rosea (Cladocera, Macrothricidae), in laboratory conditions. Neonates produced by previously acclimatized parthenogenetic females were cultured at 25 +/- 1 degrees C to investigate their growth rate, fecundity, and development. Our results show that individuals of M. rosea underwent three juvenile instar stages and 10 adult instars at 25 degrees C, with an average lift span 33 +/- 6.33 days. The average total number of eggs produced per individual was 121.04, with a maximum of 151. Individuals in the seventh instar stage (fourth adult instar) produced the largest number of offspring. The growth of body length showed a logarithmic pattern, whereas the cumulative fecundity and population growth appeared to be logistic. Furthermore, we compared the growth and mean fecundity from the birth to the first adult ins-tar at three different temperatures (i.e., 15, 20, and 25 degrees C). The growth rate of body length was slower at lower temperatures than at higher temperatures, while the mean fecundity was higher and the time needed for developing to adult was longer at lower temperatures. In conjunction with previous studies, our data suggest several shared lift history characteristics among cladocerans.
关键词[WOS]: BOSMINA-LONGIROSTRIS ; INDIVIDUAL GROWTH ; DAPHNIA-GALEATA ; TEMPERATURE ; FOOD ; REPRODUCTION ; CRUSTACEA ; DENSITY ; MAGNA
语种: 英语
WOS记录号: WOS:000294320400010
ISSN号: 1129-5767
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16299
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Hangzhou Normal Univ, Hangzhou Key Lab Anim Adaptat & Evolut, Hangzhou 310036, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
3.Univ Windsor, Great Lakes Inst Environm Res, Windsor, ON N9B 3P4, Canada

Recommended Citation:
Huang, Xiaona; Shi, Xinlu; Xu, Sen; Liu, Guijie; Ma, Limin; Sun, Zhiqiang.Life history characteristics of Macrothrix rosea (Jurine, 1820) (Cladocera, Macrothricidae) in laboratory conditions,JOURNAL OF LIMNOLOGY,2011,70(2):248-254
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文件名: Life history characteristics of Macrothrix rosea (Jurine, 1820) (Cladocera, Macrothricidae) in laboratory conditions.pdf
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