Séminaire : Sakina-Dorothée Ayata (Laboratoire d’Océanographie de Villefranche-sur-mer (LOV)): Trait-based approaches for exploring marine plankton diversity: Chosen examples from omics and imaging
Tuesday 04 May 2021, 11:00am - 12:00pm
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Abstract : Functional diversity is the facet of biodiversity sustaining ecosystem functioning and biogeochemical cycling. Looking at the functional traits of the organisms, i.e., at the individual characteristics that impact their fitness, rather than at their taxonomic identity, provides a promising approach to better understand the link between diversity and ecosystem functioning. In this presentation, I will give three examples on the use of trait-based approaches to study marine plankton diversity. The first one relies on the use of trait databases and niche modelling to study the impact of climate change on the functional diversity of zooplankton in the Mediterranean Sea. The second example exploits metabarcoding data, collected during the Tara Oceans expedition, to describe the biogeography of mixotrophic plankton at global scale. The third example uses in situ imaging to reveal contrasting zooplankton response across an Arctic ice melt zone. This presentation will end on a brief overview of the FORMAL-From Observing to Modelling oceAn Life team-project of the SU-ISCD, as one of its objectives is to structure the marine data science community at Sorbonne University.
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