Artículo

Schloss, I.R.; Ferreyra, G.A.; Ferrario, M.E.; Almandoz, G.O.; Codina, R.; Bianchi, A.A.; Balestrini, C.F.; Ochoa, H.A.; Pino, D.R.; Poisson, A. "Role of plankton communities in sea-air variations in pCO2 in the SW Atlantic Ocean" (2007) Marine Ecology Progress Series. 332:93-106

Abstract:

The influence of the plankton community structure on carbon dynamics was studied in the surface waters of the Argentinean continental shelf (SW Atlantic Ocean) in summer and fall 2002, 2003 and 2004, The horizontal changes in plankton community respiration (R), net community production (NCP) and gross primary production (GPP) were (1) compared with the difference in the partial pressure of CO2 (pCO2) between the sea surface and the atmosphere (ΔpCO2), (2) compared with oxygen saturation and (3) related to the microscopic phytoplankton assemblages, This area, which has recently been shown to be a CO2 sink, had an average surface oxygen saturation of 108.1%, indicating that net photosynthesis could have played a dominant role in the CO2 dynamics. At most stations, the production:respiration (GPP:R) ratio was greater than 1, indicating that planktonic communities were autotrophic; the average GPP:R ratio for the whole study was 2.99, Phytoplankton biomass (chlorophyll a) and NCP showed an inverse relationship with ΔpCO2 and a direct relationship with %O 2 saturation when phytoplankton assemblages were dominated by diatoms (30% of the stations), This was not the case when small (≤5 μm) flagellates were the most abundant organisms, Although NCP was mostly positive for both groups of stations (i.e. diatom-dominated or small flagellate- dominated), other physical and biological processes are thought to modify the CO2 dynamics when small flagellates are the prevailing phytoplankton group. © Inter-Research 2007.

Registro:

Documento: Artículo
Título:Role of plankton communities in sea-air variations in pCO2 in the SW Atlantic Ocean
Autor:Schloss, I.R.; Ferreyra, G.A.; Ferrario, M.E.; Almandoz, G.O.; Codina, R.; Bianchi, A.A.; Balestrini, C.F.; Ochoa, H.A.; Pino, D.R.; Poisson, A.
Filiación:Institute Antártico Argentino, Cerrito 1248, 1010 Ciudad de Buenos Aires, Argentina
CONICET, Consejo Nacional de Investigaciones Cientificas y Tecnicas, Av. Rivadavia 1917, 1033, Buenos Aires, Argentina
Facultad de Ciencias Naturales y Museo, Universidad Nacional de la Plata, Paseo del Bosque s/n, 1900 La Plata, Argentina
Departamento Ciencias de la Atmósfera y Los Océanos, FCEN, Cludad Universitaria, Pabellón 2, 1428 Ciudad de Buenos Aires, Argentina
Departamento Oceanografía, Servicio de Hidrografía Naval, Avenlda Montes de Oca 2124, 1212 Ciudad de Buenos Aires, Argentina
LOCEAN, Laboratoire d'Oceanographie et du Climat: Experimentation et Analyse Numerique, Universite Pierre et Marie Curie, Case 100, 4 Place Jussieu, 75252 Paris Cedex 05, France
Palabras clave:Continental shelf; Gross primary production; Net primary production; Oxygen saturation; pCO2; Phytoplankton composition; Respiration; SW atlantic; air-sea interaction; biomass; carbon dioxide; carbon sink; community composition; continental shelf; diatom; flagellate; net primary production; oxygen; partial pressure; photosynthesis; phytoplankton; respiration; surface water; Argentine Shelf; Atlantic Ocean; Atlantic Ocean (Southwest); Bacillariophyta; Mastigophora (flagellates)
Año:2007
Volumen:332
Página de inicio:93
Página de fin:106
DOI: http://dx.doi.org/10.3354/meps332093
Título revista:Marine Ecology Progress Series
Título revista abreviado:Mar. Ecol. Prog. Ser.
ISSN:01718630
CODEN:MESED
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_01718630_v332_n_p93_Schloss.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01718630_v332_n_p93_Schloss

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Citas:

---------- APA ----------
Schloss, I.R., Ferreyra, G.A., Ferrario, M.E., Almandoz, G.O., Codina, R., Bianchi, A.A., Balestrini, C.F.,..., Poisson, A. (2007) . Role of plankton communities in sea-air variations in pCO2 in the SW Atlantic Ocean. Marine Ecology Progress Series, 332, 93-106.
http://dx.doi.org/10.3354/meps332093
---------- CHICAGO ----------
Schloss, I.R., Ferreyra, G.A., Ferrario, M.E., Almandoz, G.O., Codina, R., Bianchi, A.A., et al. "Role of plankton communities in sea-air variations in pCO2 in the SW Atlantic Ocean" . Marine Ecology Progress Series 332 (2007) : 93-106.
http://dx.doi.org/10.3354/meps332093
---------- MLA ----------
Schloss, I.R., Ferreyra, G.A., Ferrario, M.E., Almandoz, G.O., Codina, R., Bianchi, A.A., et al. "Role of plankton communities in sea-air variations in pCO2 in the SW Atlantic Ocean" . Marine Ecology Progress Series, vol. 332, 2007, pp. 93-106.
http://dx.doi.org/10.3354/meps332093
---------- VANCOUVER ----------
Schloss, I.R., Ferreyra, G.A., Ferrario, M.E., Almandoz, G.O., Codina, R., Bianchi, A.A., et al. Role of plankton communities in sea-air variations in pCO2 in the SW Atlantic Ocean. Mar. Ecol. Prog. Ser. 2007;332:93-106.
http://dx.doi.org/10.3354/meps332093