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dc.contributor.author
Trevizan, Bianca Segovia
dc.contributor.author
Meira, Bianca Ramos
dc.contributor.author
Lansac Toha, Fernando Miranda
dc.contributor.author
Amadeo, Felipe Emiliano
dc.contributor.author
Unrein, Fernando
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dc.contributor.author
Velho, Luiz Felipe Machado
dc.contributor.author
Preto de Morais Sarmento, Hugo Miguel
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dc.date.available
2020-03-19T16:03:17Z
dc.date.issued
2018-03
dc.identifier.citation
Trevizan, Bianca Segovia; Meira, Bianca Ramos; Lansac Toha, Fernando Miranda; Amadeo, Felipe Emiliano; Unrein, Fernando; et al.; Growth and cytometric diversity of bacterial assemblages under different top-down control regimes by using a size-fractionation approach; Oxford University Press; Journal of Plankton Research; 40; 2; 3-2018; 129-141
dc.identifier.issn
0142-7873
dc.identifier.uri
http://hdl.handle.net/11336/100229
dc.description.abstract
Zooplankton communities in tropical inland waters are generally characterized by small bodied individuals and the absence of large daphnids. However, the effects of this peculiar food web configuration on microbial compartments have not been tested experimentally. To establish which predator could be responsible for most bacterial loss in a tropical shallow lake, we performed a predation experiment manipulating consumer size fractions. We found that protists had an effect more than four times greater (â '86%) than the one exerted by microcrustaceans (â '20%), whereas rotifers and nauplii had a minimum effect (â '8%). Thus, our results indicate that predation was a crucial factor controlling bacterial abundance and that protists (mainly ciliates) were responsible for most of this loss. Moreover, bacterial community structure was also affected by predation, with a change in the relative proportion of cytometric subpopulations (high-nucleic acid and low-nucleic acid) as a function of different degrees of predation pressure and a decrease in community evenness (assessed by cytometric diversity) with the removal of predators. Therefore, protists play an important role in controlling the abundance and maintaining prokaryotic diversity in warm regions, where zooplankton is present and controlled by juvenile fish throughout the year.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CLEARANCE RATES
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FLOW CYTOMETRY
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MICROBIAL FOOD WEB
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SELECTIVITY
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TROPICAL LAKE FOOD WEB
dc.subject.classification
Biología Marina, Limnología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Growth and cytometric diversity of bacterial assemblages under different top-down control regimes by using a size-fractionation approach
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-03-12T18:47:32Z
dc.journal.volume
40
dc.journal.number
2
dc.journal.pagination
129-141
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Oxford
dc.description.fil
Fil: Trevizan, Bianca Segovia. Universidade Estadual de Maringá; Brasil
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Fil: Meira, Bianca Ramos. Universidade Estadual de Maringá; Brasil
dc.description.fil
Fil: Lansac Toha, Fernando Miranda. Universidade Estadual de Maringá; Brasil
dc.description.fil
Fil: Amadeo, Felipe Emiliano. Universidade Estadual de Maringá; Brasil
dc.description.fil
Fil: Unrein, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Biotecnológicas. Universidad Nacional de San Martín. Instituto de Investigaciones Biotecnológicas; Argentina
dc.description.fil
Fil: Velho, Luiz Felipe Machado. Centro Universitario Censumar; Brasil. Universidade Estadual de Maringá; Brasil
dc.description.fil
Fil: Preto de Morais Sarmento, Hugo Miguel. Universidade Federal do São Carlos; Brasil
dc.journal.title
Journal of Plankton Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1093/plankt/fbx071
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/plankt/article/40/2/129/4811902
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