Environmental controls on the distribution of brGDGTs and brGMGTs across the Seine River basin (NW France): implications for bacterial tetraethers as a proxy for riverine runoff
Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, Pessac, 33600, France
Christelle Anquetil
Sorbonne Université, CNRS, EPHE, PSL, UMR METIS, Paris, 75005, France
Jérôme Morelle
Department of Biology and CESAM – Centre for Environmental and Marine Studies, University of Aveiro, Campus de Santiago, Aveiro, 3810-193, Portugal
Anniet M. Laverman
Université de Rennes 1, CNRS, ECOBIO-UMR 6553, Rennes, 35000, France
Alexandre Thibault
Antea Group, Innovation Hub, 803 Boulevard Duhamel du Monceau, Olivet, 45160, France
Elisa Bou
Université de Toulouse, CNRS, Toulouse INP, Université Toulouse 3 – Paul Sabatier (UPS), Laboratoire Ecologie Fonctionnelle et Environnement, Route de Narbonne 118, Toulouse, 31062, France
Sorbonne Université, CNRS, EPHE, PSL, UMR METIS, Paris, 75005, France
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Total article views: 2,974 (including HTML, PDF, and XML)
Thereof 2,958 with geography defined
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Total article views: 1,830 (including HTML, PDF, and XML)
Thereof 1,821 with geography defined
and 9 with unknown origin.
Total article views: 1,144 (including HTML, PDF, and XML)
Thereof 1,137 with geography defined
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Bacterial tetraethers have important implications for palaeoclimate reconstruction. However, fundamental understanding of how these lipids are transformed from land to sea and which environmental factors influence their distributions is lacking. Here, we investigate the sources of brGDGTs and brGMGTs and the factors controlling their distributions in a large dataset (n=237). We propose a novel proxy (RIX) to trace riverine runoff, which is applicable in modern systems and in paleorecord.
Bacterial tetraethers have important implications for palaeoclimate reconstruction. However,...
