NDLI: Ecological balance between ciliate plankton and its prey candidates, pico- and nanoplankton, in the East China Sea

Content Provider	Springer Nature Link
Author	Suzuki, Toshikazu Miyabe, Chieko
Copyright Year	2007
Abstract	Standing stocks of ciliate plankton and its prey candidates, both picoplankton and nanoplankton, were investigated in spring in the East China Sea. The former was 1.36 × 105–1.54 × 108 μm3 l−1 in biovolume, and the latter was 5.33 × 106–1.11 × 108 μm3 l−1. The biovolume ratio of ciliate plankton to prey candidates ranged from 1.31 × 10−2 to 2.00 × 100; it was larger in abundant prey conditions and smaller in sparse preys. Making some plausible assumptions about physiological activity on both organisms, every ratio meet the quantitative restriction that prey production should be equal to or larger than ciliate consumption. However, prey candidates would be so sparsely distributed that ciliate plankton could not capture sufficient prey organisms in its random filter-feeding manner. Even though planktonic ciliates must have some extraordinary mechanisms to capture preys efficiently, this quantitative imbalance might be one of the reasons for decreasing ciliate/prey ratio in sparse prey conditions.
Starting Page	403
Ending Page	410
Page Count	8
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	586
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2007-04-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Planktonic ciliates Nanoplankton Picoplankton East China Sea Hydrobiology Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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