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Grazing and growth responses of a marine oligotrichous ciliate fed with two nanoplankton: does food quality matter for micrograzers?

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Title: Grazing and growth responses of a marine oligotrichous ciliate fed with two nanoplankton: does food quality matter for micrograzers?
Authors: Bingzhang Chen1, Hongbin Liu1,2 liuhb@ust.hk, Lau, Macy T. S.2
Source: Aquatic Ecology. Mar2010, Vol. 44 Issue 1, p113-119. 7p. 1 Diagram, 4 Graphs.
Subject Terms: *Predatory animals, *Ciliata, *Strobilidiidae, *Growth, *Coasts, *Phytoplankton
Geographic Terms: Hong Kong (China), China
Abstract: To investigate whether predator growth and grazing would depend on prey properties besides size, we studied the numerical and functional responses of a marine oligotrichous ciliate isolated in Hong Kong coastal waters, Strobilidium sp., on two nanoplanktonic preys of similar size. The growth and ingestion rates of Strobilidium sp. could be fit with prey concentrations by hyperbolic curves. Strobilidium sp. exhibited higher maximal growth rates and gross growth efficiencies, and lower maximal clearance rates on Nannochloropsis sp. than on Isochrysis galbana. Our results demonstrate that prey properties presumably food quality can have a considerable effect on predator growth and grazing and implications on phytoplankton community structure and biogeochemical cycling. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 48285498
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Grazing and growth responses of a marine oligotrichous ciliate fed with two nanoplankton: does food quality matter for micrograzers?
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  Data: <searchLink fieldCode="AR" term="%22Bingzhang+Chen%22">Bingzhang Chen</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hongbin+Liu%22">Hongbin Liu</searchLink><relatesTo>1,2</relatesTo><i> liuhb@ust.hk</i><br /><searchLink fieldCode="AR" term="%22Lau%2C+Macy+T%2E+S%2E%22">Lau, Macy T. S.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Aquatic+Ecology%22">Aquatic Ecology</searchLink>. Mar2010, Vol. 44 Issue 1, p113-119. 7p. 1 Diagram, 4 Graphs.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Predatory+animals%22">Predatory animals</searchLink><br />*<searchLink fieldCode="DE" term="%22Ciliata%22">Ciliata</searchLink><br />*<searchLink fieldCode="DE" term="%22Strobilidiidae%22">Strobilidiidae</searchLink><br />*<searchLink fieldCode="DE" term="%22Growth%22">Growth</searchLink><br />*<searchLink fieldCode="DE" term="%22Coasts%22">Coasts</searchLink><br />*<searchLink fieldCode="DE" term="%22Phytoplankton%22">Phytoplankton</searchLink>
– Name: SubjectGeographic
  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22Hong+Kong+%28China%29%22">Hong Kong (China)</searchLink><br /><searchLink fieldCode="DE" term="%22China%22">China</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To investigate whether predator growth and grazing would depend on prey properties besides size, we studied the numerical and functional responses of a marine oligotrichous ciliate isolated in Hong Kong coastal waters, Strobilidium sp., on two nanoplanktonic preys of similar size. The growth and ingestion rates of Strobilidium sp. could be fit with prey concentrations by hyperbolic curves. Strobilidium sp. exhibited higher maximal growth rates and gross growth efficiencies, and lower maximal clearance rates on Nannochloropsis sp. than on Isochrysis galbana. Our results demonstrate that prey properties presumably food quality can have a considerable effect on predator growth and grazing and implications on phytoplankton community structure and biogeochemical cycling. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s10452-009-9264-5
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 7
        StartPage: 113
    Subjects:
      – SubjectFull: Predatory animals
        Type: general
      – SubjectFull: Ciliata
        Type: general
      – SubjectFull: Strobilidiidae
        Type: general
      – SubjectFull: Growth
        Type: general
      – SubjectFull: Coasts
        Type: general
      – SubjectFull: Phytoplankton
        Type: general
      – SubjectFull: Hong Kong (China)
        Type: general
      – SubjectFull: China
        Type: general
    Titles:
      – TitleFull: Grazing and growth responses of a marine oligotrichous ciliate fed with two nanoplankton: does food quality matter for micrograzers?
        Type: main
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          Name:
            NameFull: Bingzhang Chen
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          Name:
            NameFull: Hongbin Liu
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            NameFull: Lau, Macy T. S.
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          Dates:
            – D: 01
              M: 03
              Text: Mar2010
              Type: published
              Y: 2010
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              Value: 13862588
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              Value: 44
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              Value: 1
          Titles:
            – TitleFull: Aquatic Ecology
              Type: main
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