Effect of available food and temperature on the growth and reproduction of Daphnia rosea
文献类型:期刊论文
作者 | Xie, P; Iwakuma, T; Fujii, K |
刊名 | JOURNAL OF FRESHWATER ECOLOGY
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出版日期 | 2000-09-01 |
卷号 | 15期号:3页码:379-388 |
关键词 | POPULATION-DYNAMICS |
ISSN号 | 0270-5060 |
通讯作者 | Xie, P, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China |
中文摘要 | Population parameters of Daphnia rosea were studied at various concentrations of Chlorella sp. (0.25, 0.75 and 3.0 mg C l(-1)) at several temperatures (20, 25, 28, and 30 degrees C) in the laboratory. Although there were some differences in the degrees of the effects of the various temperature-food combinations, both food and temperature exerted influences on almost all of the main population parameters of D. rosea. At a water temperature of 28 degrees C, growth and reproduction were reduced, and at the lowest food level (0.25 mgC l(-1)), reproduction failed. D, rosea did not survive at 30 degrees C in spite of abundant food supply, indicating that 30 degrees C is a physiological limit. A positive relationship between body length and brood size was recognized at high and medium food levels. The slope of the regression was the highest at the highest food level and at the lowest temperature (20 degrees C). The low food level exerted a negative influence on the net reproductive rate by lowering the size of egg-bearing females, by decreasing the brood size of each size class, by decreasing the brood number per female, and by increasing the period of empty brood chamber. High water temperature (28 degrees C) also exerted a negative influence on the net reproductive rate in a similar way. For the better understanding of the key factors driving the midsummer dynamics of daphnids in the field, it may be of crucial importance to compare the population parameters of the field populations with experimentally derived values under controlled conditions of food concentration and temperature. |
英文摘要 | Population parameters of Daphnia rosea were studied at various concentrations of Chlorella sp. (0.25, 0.75 and 3.0 mg C l(-1)) at several temperatures (20, 25, 28, and 30 degrees C) in the laboratory. Although there were some differences in the degrees of the effects of the various temperature-food combinations, both food and temperature exerted influences on almost all of the main population parameters of D. rosea. At a water temperature of 28 degrees C, growth and reproduction were reduced, and at the lowest food level (0.25 mgC l(-1)), reproduction failed. D, rosea did not survive at 30 degrees C in spite of abundant food supply, indicating that 30 degrees C is a physiological limit. A positive relationship between body length and brood size was recognized at high and medium food levels. The slope of the regression was the highest at the highest food level and at the lowest temperature (20 degrees C). The low food level exerted a negative influence on the net reproductive rate by lowering the size of egg-bearing females, by decreasing the brood size of each size class, by decreasing the brood number per female, and by increasing the period of empty brood chamber. High water temperature (28 degrees C) also exerted a negative influence on the net reproductive rate in a similar way. For the better understanding of the key factors driving the midsummer dynamics of daphnids in the field, it may be of crucial importance to compare the population parameters of the field populations with experimentally derived values under controlled conditions of food concentration and temperature. |
WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
学科主题 | Ecology; Limnology |
类目[WOS] | Ecology ; Limnology |
研究领域[WOS] | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
关键词[WOS] | POPULATION-DYNAMICS ; CUCULLATA SARS ; CLADOCERA ; ZOOPLANKTON ; TJEUKEMEER ; COMMUNITY ; COPEPODA ; MICHIGAN ; HYALINA ; LAKE |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000088709800010 |
公开日期 | 2010-10-13 |
源URL | [http://ir.ihb.ac.cn/handle/152342/10110] ![]() |
专题 | 水生生物研究所_中科院水生所知识产出(2009年前)_期刊论文 |
作者单位 | 1.Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China 2.Hokkaido Univ, Grad Sch Environm Earth Sci, Sapporo, Hokkaido 0600810, Japan 3.Univ Tsukuba, Inst Biol Sci, Tsukuba, Ibaraki 305, Japan |
推荐引用方式 GB/T 7714 | Xie, P,Iwakuma, T,Fujii, K. Effect of available food and temperature on the growth and reproduction of Daphnia rosea[J]. JOURNAL OF FRESHWATER ECOLOGY,2000,15(3):379-388. |
APA | Xie, P,Iwakuma, T,&Fujii, K.(2000).Effect of available food and temperature on the growth and reproduction of Daphnia rosea.JOURNAL OF FRESHWATER ECOLOGY,15(3),379-388. |
MLA | Xie, P,et al."Effect of available food and temperature on the growth and reproduction of Daphnia rosea".JOURNAL OF FRESHWATER ECOLOGY 15.3(2000):379-388. |
入库方式: OAI收割
来源:水生生物研究所
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