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学科主题: Marine & Freshwater Biology
题名: Changes in the plankton community following introduction of filter-feeding planktivorous fish
作者: MICHIO FUKUSHIMA ; NORIKO TAKAMURA ; LIWEI SUN ; MEGUMI NAKAGAWA ; KAZUO MATSUSHIGE ; PING XIE
通讯作者: Fukushima, M, Natl Inst Environm Studies, Onogawa 16-2, Tsukuba, Ibaraki 3050053, Japan
关键词: correspondence analysis ; enclosure experiments ; filter-feeding fish ; plankton community ; silver carp
刊名: FRESHWATER BIOLOGY
发表日期: 1999
卷: 42, 期:4, 页:719-735
收录类别: SCI
部门归属: Natl Inst Environm Studies, Tsukuba, Ibaraki 3050053, Japan; Tokyo Univ Fisheries, Minato Ku, Tokyo 108, Japan; Environm Res Ctr Co Ltd, Tsukuba, Ibaraki 3050028, Japan; Chinese Acad Sci, Inst Hydrobiol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
摘要: 1. We conducted enclosure experiments in a shallow eutrophic lake, in which a biomass gradient of the filter-feeding planktivore, silver carp, Hypophthalmichthys molitrix Valenciennes, was created, and subsequent community changes in both zooplankton and phytoplankton were examined. 2. During a summer experiment, a bloom of Anabaena flos-aquae developed (approximate to 8000 cells mL(-1)) solely in an enclosure without silver carp. Concurrent with, or slightly preceding the Anabaena bloom, the number of rotifer species and their abundance increased from seven to twelve species (1700-14 400 organisms L-1) after the bloom in this fish-free enclosure. Protozoans and bacteria were generally insensitive to the gradient of silver carp biomass. 3. During an autumn experiment, on the other hand, large herbivorous crustaceans were more efficient than silver carp in suppressing the algae, partly because the lower water temperature (approximate to 24 degrees C) inhibited active feeding of this warm-water fish and also formation of algal colonies. Heterotrophic nanoflagellate and bacterial densities were also influenced negatively by the crustaceans. 4. Correspondence analysis (CA) was applied to the weekly community data of zooplankton and phytoplankton. A major effect detected in the zooplankton community was the presence/absence of silver carp rather than the biomass of silver carp, whereas that in the phytoplankton community was the fish biomass before the Anabaena bloom, but shifted to the presence/absence of the fish after the bloom.
WOS记录号: WOS:000084789600010
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10166
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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MICHIO FUKUSHIMA; NORIKO TAKAMURA; LIWEI SUN; MEGUMI NAKAGAWA; KAZUO MATSUSHIGE; PING XIE.Changes in the plankton community following introduction of filter-feeding planktivorous fish,FRESHWATER BIOLOGY,1999,42(4):719-735
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