English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/141188
Share/Impact:
Statistics
logo share SHARE   Add this article to your Mendeley library MendeleyBASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Title

Effects of organic pollutants on oceanic photosynthetic function mediated by Prochlorococcus

AuthorsFernández-Pinos, María-Carmen ; Piña, Benjamín; Vila-Costa, Maria ; Casado, Marta ; Agustí, Susana ; Vaqué, Dolors ; Duarte, Carlos M. ; Estrada, Marta ; Simó, Rafel ; Sobrino, Cristina; Dachs, Jordi
Issue Date4-May-2015
PublisherSociety of Environmental Toxicology and Chemistry
CitationSETAC Europe 25th Annual Meeting (2015)
AbstractProchlorococcus is the smallest and most abundant photosynthetic organism known on Earth and a major contributor of ocenic primary production. This cianobacterium is ubiquist in every ocean from 40°N to 40°S, from surface to 200 m depth in the water column, reaching abundances close to 10 cells/mL worldwide [1]. Its large surface/volume ratio gives it a high efficiency for light and nutrients capture. On the other hand, this characteristics also implicate a higher intake and a faster bioconcentration of pollutants, resulting in an extreme sensitivity to a variety of environmental stressors, from UV radiation to organic pollutants [2]. Therefore, Prochlorococcus constitutes an excellent sentinel organism to evaluate the dependence of the photosynthetic function to environmental variables and anthropogenic impacts in middle latitudinal oceans. Over the past century the global phytoplankton concentration has declined and changes in chlorophyll and primary production have been detected, which has been attributed to the impact of global climate change [3]. Global Change is a set of interlinked vectors, being one of the best studied the climate change. Neverthelees, the only vector whose global impact has not been quantifyed yet is chemical pollution [4]. In this way, the main objective of the present work was to measure the photosynthetic capacity of Prochlorococcus in Atlantic, Indian and Pacific oceans during the Malaspina circumnavigation, and study its relationship with the concentrations of diverse organic pollutants. This study was performed within a framework of more than 300 biological, physical and chemical variables, using both field sample collection and experiments on board with wild communities
DescriptionSociety of Environmental Toxicology and Chemistry (SETAC) Europe 25th Annual Meeting, 3-7 May 2015, Barcelona.-- 2 pages, 4 figures
Publisher version (URL)http://barcelona.setac.eu/scientific_programme/?contentid=773&pr_id=766
URIhttp://hdl.handle.net/10261/141188
Appears in Collections:(IDAEA) Comunicaciones congresos
(IMEDEA) Comunicaciones congresos
(ICM) Comunicaciones congresos
Files in This Item:
There are no files associated with this item.
Show full item record
Review this work
 


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.