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An overview of EFLUBIO: structures and biogeochemical fluxes in the NW Mediterranean

AuthorsLatasa, Mikel CSIC ORCID; Alcaraz, Miquel CSIC ORCID; Almeda, Rodrigo CSIC ORCID; Berdalet, Elisa CSIC ORCID ; Cardelús, Clara CSIC ORCID ; Emelianov, Mikhail CSIC ORCID ; Estrada, Marta CSIC ORCID ; Gasol, Josep M. CSIC ORCID ; Gutiérrez, Andrés; Marrasé, Cèlia CSIC ORCID ; Salat, Jordi CSIC ORCID ; Scharek, Renate CSIC ORCID
Issue DateMar-2007
CitationSymposium GLOBEC-IMBER España : Libro de resúmenes: 35 (2007)
AbstractThe main objective of the project EFLUBIO (2002-2006) was to establish relationships between the physical, chemical and biological structures and the biogeochemical fluxes in the NW Mediterranean. Bloom, post-bloom and late summer stratification situations were found during two oceanographic cruises in September 2004 and March-April 2005. The conditions of water column stability, nutrient concentrations and plankton community type responded to the classical canons of the three situations, although with some exceptions. Trophic flux patterns were also more or less as expected in each situation. Bacterial production was much higher during the bloom than during the other 2 situations, when it was similar. Primary production was highest during the bloom, second highest during the post-bloom and lowest during the late stratification. Herbivory grazing rates, measured only during bloom and post-bloom, matched phytoplankton growth rates, which were higher during the bloom. Mesozooplankton specific metabolism was similar during the bloom and post-bloom. The daily vertical particulate flux at 100-200 m represented <1% of the water column particulate stock. The relative composition of the sedimented material indicated a more autotrophic material falling during the bloom. The vertical flux at 2100 m depth was continuously recoded during 17 months. Surprisingly, it did not reflect the important surface phytoplankton bloom. However, it recorded 2 important events of lateral input of material originating on the shelf
DescriptionLatasa, Mikel... et al.-- Symposium GLOBEC-IMBER España celebrado del 28-30 marzo de 2007 en Valencia.-- 1 page
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