Reference : Applications of stable isotopes in environmental studies at the University of Liege
Scientific congresses and symposiums : Poster
Life sciences : Zoology
Life sciences : Environmental sciences & ecology
Life sciences : Aquatic sciences & oceanology
http://hdl.handle.net/2268/181083
Applications of stable isotopes in environmental studies at the University of Liege
English
Sturaro, Nicolas mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Océanologie >]
Borges, Alberto mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique >]
Das, Krishna mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Océanologie >]
Dauby, Patrick mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Systématique et diversité animale >]
Gobert, Sylvie mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Océanologie >]
Mascart, Thibaud mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Océanologie >]
Michel, Loïc mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Océanologie >]
Remy, François mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Océanologie >]
Lepoint, Gilles mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Océanologie >]
26-Mar-2015
A0
No
No
International
BASIS symposium 2015
from 26-03-2015 to 27-03-2015
Benelux Association of Stable Isotope Scientists (BASIS)
Utrecht
The Netherlands
[en] Stable isotopes ; Marine ecosystems ; Trophic ecology ; Ecotoxicology ; Biogeochemistry
[en] Measurement and use of stable isotope ratios have a long history at the University of Liege (Belgium). Since at least 30 years, applications of stable isotopes in marine ecosystems have been developed within the Laboratory of Oceanology and, more recently, within the Chemical Oceanography Unit. In the Laboratory of Oceanology, one research axis is the measurement of stable isotope composition (C, N, S) in organic matter to delineate trophic web structure and to study animal diet, their trophic niches and their alteration by human activities. This methodology has been successively applied worldwide in different habitats and ecosystems (marine, freshwater, terrestrial) in temperate and tropical areas. Mediterranean food web and fish trophic ecology have received a particular attention. Coupling between trophic ecology and ecotoxicology is another area of investigation. This has been applied mainly to marine vertebrates and freshwater ecosystems. Stable isotope labelling is also used in our laboratory to study and quantify various ecological processes such as inorganic nitrogen incorporation and trophic transfers. The laboratory facilities, renewed in 2012 and managed by Dr. Gilles Lepoint, are composed of an elemental analyser (EA, vario MICRO cube, Elementar) and a gas chromatography (GC, Agilent) coupled to an isotope ratio mass spectrometer (IRMS, Isoprime 100). The GC is also equipped with a quadrupole mass spectrometer. In 2014, the Chemical Oceanography Unit, headed by Dr. Alberto Borges, has acquired and implemented an off-axis cavity ring-down spectroscopy (CRDS) for the measurements of δ15Nα, δ15Nβ, δ18O of N2O. This enables characterization of the N2O origin in a variety of aquatic environments including groundwater in Wallonia, rivers and lakes in Wallonia and Africa, coastal environments (Scheldt estuary, Lake Grevelingen, North Sea), Mediterranean seagrass beds, and Antarctic and Arctic sea-ice.
Centre Interfacultaire de Recherches en Océanologie - MARE ; Applied and Fundamental FISH Research Center - AFFISH-RC
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Université de Liège
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/181083

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