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学科主题: Ecology; Limnology
题名: Food Consumption by In Situ Pen-Cultured Planktivorous Fishes and Effects on an Algal Bloom in Lake Taihu, China
作者: Guo, Longgen1; Ke, Zhixin1; Xie, Ping1; Ni, Leyi1
通讯作者: Xie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: CARP HYPOPHTHALMICHTHYS-MOLITRIX ; DAILY RATION ; SILVER CARP ; ARISTICHTHYS-NOBILIS ; PLANKTON COMMUNITY ; BIGHEAD CARP ; FEEDING SELECTIVITY ; MEILIANG BAY ; GUT CONTENTS ; PHYTOPLANKTON
刊名: JOURNAL OF FRESHWATER ECOLOGY
发表日期: 2009-03-01
卷: 24, 期:1, 页:135-143
收录类别: SCI
文章类型: Article
部门归属: [Guo, Longgen; Ke, Zhixin; Xie, Ping; Ni, Leyi] Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Key Technologies Research and Development [2002AA601011]
类目[WOS]: Ecology ; Limnology
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology
摘要: Silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis) were used as a new pen-cultureed biomanipulation technique to control algal blooms in Meiliang Bay of Lake Taihu. In order to evaluate the capacity of these two fishes to decrease algal blooms, diel feeding samplings were carried out in May (without algal blooms) and September (with algal blooms) in 2005. Based on estimated food consumption by the Elliott-Persson model, silver carp increased daily food consumption from 2.07 g dry weight per 100 g wet body weight in May before the outbreak of algal blooms to 4.98 g dry weight per 100 g wet body weight in September during algal blooms outbreak. However, no obvious variation of food consumption was observed in bighead carp during the study period. This species 1.88 and 1.54 g dry weight of plankton per 100 g wet body weight in May and September, respectively. Silver carp had a higher feeding capacity for plankton than bighead carp. Biotic factors (i.e., fish size and conspecific competition with natural species in the lake) may affect the feeding behaviors of both carps as well as seasonal variation of plankton communities in the pen.
英文摘要: Silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis) were used as a new pen-cultureed biomanipulation technique to control algal blooms in Meiliang Bay of Lake Taihu. In order to evaluate the capacity of these two fishes to decrease algal blooms, diel feeding samplings were carried out in May (without algal blooms) and September (with algal blooms) in 2005. Based on estimated food consumption by the Elliott-Persson model, silver carp increased daily food consumption from 2.07 g dry weight per 100 g wet body weight in May before the outbreak of algal blooms to 4.98 g dry weight per 100 g wet body weight in September during algal blooms outbreak. However, no obvious variation of food consumption was observed in bighead carp during the study period. This species 1.88 and 1.54 g dry weight of plankton per 100 g wet body weight in May and September, respectively. Silver carp had a higher feeding capacity for plankton than bighead carp. Biotic factors (i.e., fish size and conspecific competition with natural species in the lake) may affect the feeding behaviors of both carps as well as seasonal variation of plankton communities in the pen.
关键词[WOS]: CARP HYPOPHTHALMICHTHYS-MOLITRIX ; DAILY RATION ; SILVER CARP ; ARISTICHTHYS-NOBILIS ; PLANKTON COMMUNITY ; BIGHEAD CARP ; FEEDING SELECTIVITY ; MEILIANG BAY ; GUT CONTENTS ; PHYTOPLANKTON
语种: 英语
WOS记录号: WOS:000263434300016
ISSN号: 0270-5060
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7860
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan 430072, Peoples R China

Recommended Citation:
Guo, Longgen; Ke, Zhixin; Xie, Ping; Ni, Leyi.Food Consumption by In Situ Pen-Cultured Planktivorous Fishes and Effects on an Algal Bloom in Lake Taihu, China,JOURNAL OF FRESHWATER ECOLOGY,2009,24(1):135-143
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