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dc.contributor.author
Zagarese, Horacio Ernesto
dc.contributor.author
Gonzalez Sagrario, Maria de Los Angeles
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Wolf Gladrow, Dieter
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Nõges, Peeter
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Nõges, Tiina
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Kangur, Külli
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Matsuzaki, Shin Ichiro S.
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Kohzu, Ayato
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Vanni, Michael J.
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Özkundakci, Deniz
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Echaniz, Santiago Andrés
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Vignatti, Alicia María
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Grosman, Manuel Fabián
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Sanzano, Pablo Miguel
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Van Dam, Bryce
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Knoll, Lesley B.
dc.date.available
2022-09-01T18:00:47Z
dc.date.issued
2021-02
dc.identifier.citation
Zagarese, Horacio Ernesto; Gonzalez Sagrario, Maria de Los Angeles; Wolf Gladrow, Dieter; Nõges, Peeter; Nõges, Tiina; et al.; Patterns of CO2 concentration and inorganic carbon limitation of phytoplankton biomass in agriculturally eutrophic lakes; Pergamon-Elsevier Science Ltd; Water Research; 190; 2-2021; 1-13
dc.identifier.issn
0043-1354
dc.identifier.uri
http://hdl.handle.net/11336/167244
dc.description.abstract
Lake eutrophication is a pervasive problem globally, particularly serious in agricultural and densely populated areas. Whenever nutrients nitrogen and phosphorus do not limit phytoplankton growth directly, high growth rates will rapidly lead to biomass increases causing self-shading and light-limitation, and eventually CO2 depletion. The paradigm of phytoplankton limitation by nutrients and light is so pervasively established, that the lack of nutrient limitation is ordinarily interpreted as sufficient evidence for the condition of light limitation, without considering the possibility of limitation by inorganic carbon. Here, we firstly evaluated how frequently CO2 undersaturation occurs in a set of eutrophic lakes in the Pampa plains. Our results confirm that conditions of CO2 undersaturation develop much more frequently (yearly 34%, summer 44%) in these agriculturally impacted lakes than in deep, temperate lakes in forested watersheds. Secondly, we used Generalized Additive Models to fit trends in CO2 concentration considering three drivers: total incident irradiance, chlorophyll a concentration, and lake depth; in eight multi-year datasets from eutrophic lakes from Europe, North and South America, Asia and New Zealand. CO2 depletion was more often observed at high irradiance levels, and shallow water. CO2 depletion also occurred at high chlorophyll concentration. Finally, we identified occurrences of light- and carbon-limitation at the whole-lake scale. The different responses of chlorophyll a and CO2 allowed us to develop criteria for detecting conditions of CO2 limitation. For the first time, we provided whole-lake evidence of carbon limitation of phytoplankton biomass. CO2 increases and eutrophication represent two major and converging environmental problems that have additive and contrasting effects, promoting phytoplankton, and also leading to carbon depletion. Their interactions deserve further exploration and imaginative approaches to deal with their effects.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Nutrients
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Carbon limitation
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Algae
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Eutrophic lakes
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Ecología
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Patterns of CO2 concentration and inorganic carbon limitation of phytoplankton biomass in agriculturally eutrophic lakes
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-08-29T17:28:06Z
dc.journal.volume
190
dc.journal.pagination
1-13
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Zagarese, Horacio Ernesto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús). Universidad Nacional de San Martín. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús); Argentina
dc.description.fil
Fil: Gonzalez Sagrario, Maria de Los Angeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
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Fil: Wolf Gladrow, Dieter. Alfred-Wegener-Institut. Helmholtz-Zentrum für Polar und Meeresforschung; Alemania
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Fil: Nõges, Peeter. Estonian University of Life sciences; Estonia
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Fil: Nõges, Tiina. Estonian University of Life sciences; Estonia
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Fil: Kangur, Külli. Estonian University of Life sciences; Estonia
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Fil: Matsuzaki, Shin Ichiro S.. National Institute for Environmental Studies; Japón
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Fil: Kohzu, Ayato. National Institute for Environmental Studies; Japón
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Fil: Vanni, Michael J.. Miami University; Estados Unidos
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Fil: Özkundakci, Deniz. The University of Waikato; Nueva Zelanda
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Fil: Echaniz, Santiago Andrés. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias Biológicas; Argentina. Universidad Nacional de La Pampa; Argentina
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Fil: Vignatti, Alicia María. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias Biológicas; Argentina
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Fil: Grosman, Manuel Fabián. Universidad Nacional del Centro de la Provincia de Buenos Aires; Argentina
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Fil: Sanzano, Pablo Miguel. Universidad Nacional del Centro de la Provincia de Buenos Aires; Argentina
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Fil: Van Dam, Bryce. Institute of Coastal Research; Alemania
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Fil: Knoll, Lesley B.. University of Minnesota; Estados Unidos
dc.journal.title
Water Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.watres.2020.116715
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info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0043135420312501
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