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Changes in the plankton community following introduction of filter-feeding planktivorous fish
MICHIO FUKUSHIMA; NORIKO TAKAMURA; LIWEI SUN; MEGUMI NAKAGAWA; KAZUO MATSUSHIGE; PING XIE; Fukushima, M, Natl Inst Environm Studies, Onogawa 16-2, Tsukuba, Ibaraki 3050053, Japan
1999
Source PublicationFRESHWATER BIOLOGY
Volume42Issue:4Pages:719-735
Abstract1. 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.
KeywordCorrespondence Analysis Enclosure Experiments Filter-feeding Fish Plankton Community Silver Carp
DepartmentNatl 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
Subject AreaMarine & Freshwater Biology
Indexed BySCI
WOS IDWOS:000084789600010
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/10166
Collection期刊论文
Corresponding AuthorFukushima, M, Natl Inst Environm Studies, Onogawa 16-2, Tsukuba, Ibaraki 3050053, Japan
Recommended Citation
GB/T 7714
MICHIO FUKUSHIMA,NORIKO TAKAMURA,LIWEI SUN,et al. Changes in the plankton community following introduction of filter-feeding planktivorous fish[J]. FRESHWATER BIOLOGY,1999,42(4):719-735.
APA MICHIO FUKUSHIMA.,NORIKO TAKAMURA.,LIWEI SUN.,MEGUMI NAKAGAWA.,KAZUO MATSUSHIGE.,...&Fukushima, M, Natl Inst Environm Studies, Onogawa 16-2, Tsukuba, Ibaraki 3050053, Japan.(1999).Changes in the plankton community following introduction of filter-feeding planktivorous fish.FRESHWATER BIOLOGY,42(4),719-735.
MLA MICHIO FUKUSHIMA,et al."Changes in the plankton community following introduction of filter-feeding planktivorous fish".FRESHWATER BIOLOGY 42.4(1999):719-735.
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