Zooplankton community in the San Jorge gulf (SW Atlantic Ocean) - Giménez, Eloísa Mariana
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Zooplankton plays a major role in marine ecosystems and food webs. Zooplankton community dynamics are complex due to spatial heterogeneity and diversity in species composition, which are influenced by environmental conditions. The goal of this study was to characterize the zooplankton community structure, its spatial pattern relative to environmental conditions and the food web structure in the San Jorge Gulf (SJG, 45° - 47° S, Southwestern Atlantic Ocean) during austral summer. Sampling was performed throughout the SJG on board the R/V Coriolis II. The sampled zooplankton community was…mehr

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Produktbeschreibung
Zooplankton plays a major role in marine ecosystems and food webs. Zooplankton community dynamics are complex due to spatial heterogeneity and diversity in species composition, which are influenced by environmental conditions. The goal of this study was to characterize the zooplankton community structure, its spatial pattern relative to environmental conditions and the food web structure in the San Jorge Gulf (SJG, 45° - 47° S, Southwestern Atlantic Ocean) during austral summer. Sampling was performed throughout the SJG on board the R/V Coriolis II. The sampled zooplankton community was composed of 30 taxa with copepods accounting for 83% of the total density. Environmental parameters permitted to distinguish two water-mass zones, each characterized by distinct zooplankton assemblages. The stable isotopes of carbon and nitrogen allowed the definition of three main trophic guilds: the herbivores, the omnivores and the carnivores. The results of this research offer new perspectiveson zooplankton community and contributes towards a better understanding of the ecosystem functioning in the SJG and how it relates to environmental conditions.
Autorenporträt
Eloísa M. Giménez is a biologist graduated from the Universidad de Buenos Aires in Argentina. She completed her master¿s degree in Oceanography at the Institut des Sciences de la Mer de Rimouski (Université du Québec à Rimouski) in Canada. Currently, she is a PhD candidate at the Centro Austral de Investigaciones Científicas in Ushuaia, Argentina.