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引用本文:黄诚,谷孝鸿,胡文英.短钝溞(Daphnia obtusa Kurz)在碳酸盐型水体中的移植驯化与培养.湖泊科学,1999,11(4):346-350. DOI:10.18307/1999.0410
HUANG Cheng,GU Xiaohong,HU Wenying.Transplantation and Domestication Culture of Daphnia obtusa Kurz in the Carbonate Hard Water. J. Lake Sci.1999,11(4):346-350. DOI:10.18307/1999.0410
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短钝溞(Daphnia obtusa Kurz)在碳酸盐型水体中的移植驯化与培养
黄诚1, 谷孝鸿2, 胡文英2
1.南京大学生物系, 南京 210093;2.中国科学院南京地理与湖泊研究所, 南京 210008
摘要:
利用斜生栅藻(Scenedesmus obliquus)对山东禹城地区碳酸盐水型瘦水与肥水两种水体进行生物改良后,引种短钝溞(Daphniaobtusa Kurz)作室内培养试验研究结果表明,短钝溞在有适宜种类微藻作开拓环境的先驱生物存在条件下,可以耐受碳酸盐型水质,并能成功地生长繁殖,本文还对3种培养液(有机型、无机型、结合型)及两种培养模式(间收式与接种式)下种群增长的动态规律作了初步的探讨。
关键词:  短钝溞  碳酸盐型水体  驯化培养
DOI:10.18307/1999.0410
分类号:
基金项目:国家“九五'攻关项目(96-008-04-02)南京大学测试中心基金
Transplantation and Domestication Culture of Daphnia obtusa Kurz in the Carbonate Hard Water
HUANG Cheng1, GU Xiaohong2, HU Wenying2
1.Department of Biology, Nanjing University, Nanjing 210093;2.Nanjing Institute of Geography Limnology, Chines Academy of Sciences, Nanjing 210008
Abstract:
Daphnia obtusa Kurz were cultured in 3 kinds of carbonate hard water, treated by micro-algae (Scendesnus obliquas Turp). The water fleas were harvested in two ways-interval and inoc-ulalting harvests. The results were shown as follows after comparison. In the presence of the algae severed as the pioneer organisms in the water, the water fleas could be inoculated. During the still culture stage without harvest, the population growth curves (N) show that Nc(in the improves fish-farming sewage) > N0(in the pure fish-farming sewage) > Ni(in the improved ground water). During the stage of interval harvest, the mathematical functions of yield (the regression of the general number ranks accumulated from original data gathered each time) in the three kinds of culture medium were all shown to be Logistic growth curve and the population yields shown as Nc Ni N0 and during the stage of noculation harvest: Ni Nc0 N0.
Key words:  Daphnia obtusa  carbonate hard water  transplant and domestication culture
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