Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)

Temporal and spatial changes of virioplankton abundance (VLP), chlorophyll-a (Chl-a) concentration, and some environmental variables, were assessed from October 2004 to April 2005 at four sampling sites in a high-mountain reservoir in the Colombian Andes. VLP ranged from 2.4-10.5×107 and 3.6-6.5×107...

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Fecha de publicación:
2017
Institución:
Universidad de Bogotá Jorge Tadeo Lozano
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Expeditio: repositorio UTadeo
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OAI Identifier:
oai:expeditiorepositorio.utadeo.edu.co:20.500.12010/9118
Acceso en línea:
https://doi.org/10.3856/vol45-issue2-fulltext-10
http://hdl.handle.net/20.500.12010/9118
Palabra clave:
Virioplankton
Virus-to-prokaryote ratio
Temporal dynamics
High-mountain reservoir
El Neusa
Ecología viral -- Investigaciones
Agua - Análisis
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License
Abierto (Texto Completo)
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network_acronym_str UTADEO2
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dc.title.spa.fl_str_mv Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
title Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
spellingShingle Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
Virioplankton
Virus-to-prokaryote ratio
Temporal dynamics
High-mountain reservoir
El Neusa
Ecología viral -- Investigaciones
Agua - Análisis
title_short Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
title_full Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
title_fullStr Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
title_full_unstemmed Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
title_sort Spatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)
dc.subject.spa.fl_str_mv Virioplankton
Virus-to-prokaryote ratio
Temporal dynamics
High-mountain reservoir
El Neusa
topic Virioplankton
Virus-to-prokaryote ratio
Temporal dynamics
High-mountain reservoir
El Neusa
Ecología viral -- Investigaciones
Agua - Análisis
dc.subject.lemb.spa.fl_str_mv Ecología viral -- Investigaciones
Agua - Análisis
description Temporal and spatial changes of virioplankton abundance (VLP), chlorophyll-a (Chl-a) concentration, and some environmental variables, were assessed from October 2004 to April 2005 at four sampling sites in a high-mountain reservoir in the Colombian Andes. VLP ranged from 2.4-10.5×107 and 3.6-6.5×107 VLP mL−1 in the samples from the photic zone and hypolimnion, respectively. Surface VLP showed a progressive increase from November to April in the limnetic zone, and until February in the littoral stations. This trend coincided with the gradual increase of the water column stratification, as well as the augment of the reservoir hydraulic volume. Principal components analysis showed a grouping of environmental (dissolved oxygen, pH, water temperature) and biological variables (VLP, Chl-a, bacterioplankton abundance and biomass) within the first component (26.4% of explained variance), associated to an increase of photosynthetic activity, as a potential supplement of organic substrates to heterotrophic viral hosts. High values of virus-to-prokaryote ratio (VPR), and a negative relationship between VLP and average biomass per prokaryotic cell, indicate strong viral control which is probably more intense on active and larger cells. These results provide a framework for understand the virioplankton responses to regional hydrological conditions and hydraulic behavior of this reservoir. The spatiotemporal scale of this study does not allow to confirm that viral dynamics is significantly affected by human activities causing potential alterations on nutrient cycling.
publishDate 2017
dc.date.created.none.fl_str_mv 2017
dc.date.accessioned.none.fl_str_mv 2020-04-30T17:05:42Z
dc.date.available.none.fl_str_mv 2020-04-30T17:05:42Z
dc.type.coar.fl_str_mv http://purl.org/coar/resource_type/c_2df8fbb1
dc.type.local.spa.fl_str_mv Artículo
dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/article
dc.identifier.other.spa.fl_str_mv https://doi.org/10.3856/vol45-issue2-fulltext-10
dc.identifier.uri.none.fl_str_mv http://hdl.handle.net/20.500.12010/9118
dc.identifier.doi.spa.fl_str_mv https://doi.org/10.3856/vol45-issue2-fulltext-10
dc.identifier.instname.spa.fl_str_mv instname:Universidad de Bogotá Jorge Tadeo Lozano
dc.identifier.reponame.spa.fl_str_mv reponame:Repositorio Institucional de la Universidad de Bogotá Jorge Tadeo Lozano
url https://doi.org/10.3856/vol45-issue2-fulltext-10
http://hdl.handle.net/20.500.12010/9118
identifier_str_mv instname:Universidad de Bogotá Jorge Tadeo Lozano
reponame:Repositorio Institucional de la Universidad de Bogotá Jorge Tadeo Lozano
dc.rights.coar.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.rights.local.spa.fl_str_mv Abierto (Texto Completo)
rights_invalid_str_mv Abierto (Texto Completo)
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dc.format.extent.spa.fl_str_mv 15 páginas
dc.format.mimetype.spa.fl_str_mv image/jepg
dc.coverage.spatial.spa.fl_str_mv Bogotá, Colombia
dc.publisher.spa.fl_str_mv Universidad de Bogotá Jorge Tadeo Lozano
institution Universidad de Bogotá Jorge Tadeo Lozano
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spelling Bogotá, Colombia2020-04-30T17:05:42Z2020-04-30T17:05:42Z2017https://doi.org/10.3856/vol45-issue2-fulltext-10http://hdl.handle.net/20.500.12010/9118https://doi.org/10.3856/vol45-issue2-fulltext-10instname:Universidad de Bogotá Jorge Tadeo Lozanoreponame:Repositorio Institucional de la Universidad de Bogotá Jorge Tadeo LozanoTemporal and spatial changes of virioplankton abundance (VLP), chlorophyll-a (Chl-a) concentration, and some environmental variables, were assessed from October 2004 to April 2005 at four sampling sites in a high-mountain reservoir in the Colombian Andes. VLP ranged from 2.4-10.5×107 and 3.6-6.5×107 VLP mL−1 in the samples from the photic zone and hypolimnion, respectively. Surface VLP showed a progressive increase from November to April in the limnetic zone, and until February in the littoral stations. This trend coincided with the gradual increase of the water column stratification, as well as the augment of the reservoir hydraulic volume. Principal components analysis showed a grouping of environmental (dissolved oxygen, pH, water temperature) and biological variables (VLP, Chl-a, bacterioplankton abundance and biomass) within the first component (26.4% of explained variance), associated to an increase of photosynthetic activity, as a potential supplement of organic substrates to heterotrophic viral hosts. High values of virus-to-prokaryote ratio (VPR), and a negative relationship between VLP and average biomass per prokaryotic cell, indicate strong viral control which is probably more intense on active and larger cells. These results provide a framework for understand the virioplankton responses to regional hydrological conditions and hydraulic behavior of this reservoir. The spatiotemporal scale of this study does not allow to confirm that viral dynamics is significantly affected by human activities causing potential alterations on nutrient cycling.15 páginasimage/jepgUniversidad de Bogotá Jorge Tadeo LozanoVirioplanktonVirus-to-prokaryote ratioTemporal dynamicsHigh-mountain reservoirEl NeusaEcología viral -- InvestigacionesAgua - AnálisisSpatial and temporal dynamics of virioplankton in a high-mountain tropical reservoir, El Neusa (Cundinamarca, Colombia)Artículoinfo:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_2df8fbb1Abierto (Texto Completo)http://purl.org/coar/access_right/c_abf2Hakspiel-Segura, CristianRosso-Londoño, María CamilaCanosa-Torrado, AmparoNiño-García, Juan PabloORIGINALCaptura.PNGCaptura.PNGVer portadaimage/png110054https://expeditiorepositorio.utadeo.edu.co/bitstream/20.500.12010/9118/1/Captura.PNG74fc854bb0220bfc5e352b1505167cfcMD51open access8826.pdf8826.pdfArtículo reservadoapplication/pdf1263384https://expeditiorepositorio.utadeo.edu.co/bitstream/20.500.12010/9118/3/8826.pdfb11e3279d677f5c2e8a4762b1e3b2521MD53embargoed access|||2200-04-30LICENSElicense.txtlicense.txttext/plain; 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