ORBi Open Repository and Bibliography
In may 2007, the ULg's Administrative Board (joined in June 2007 by the FUSAGx) decided to create an institutional repository and defined a strong institutional self-archiving policy to increase the visibility, accessibility and impact of the University's publications (Board's decision).
This decision led to the official launch, in November 2008, of the ORBi platform including both the Academic Bibliography and the Institutional Repository of the Wallonia-Europe University Academy.
Trophic diversity of seagrass detritus copepods: A consequence of species-specific specialization or a random diet? - Mascart, Thibaud; De Troch, Marleen; Remy, François; Michel, Loïc; Lepoint, Gilles
One of the major ecological research questions is understanding how biodiversity influences ecosystem functioning. Unravelling interspecific feeding preferences of organisms with overlapping trophic niches will give part of the answer. Subsequently, the present study displays the trophic diversity of a benthic copepod community in a North-Western Corsican Posidonia oceanica seagrass ecosystem. These seagrass meadows are often interrupted by bare sand patches serving as deposition area for loose detritus. The accumulated macrophytodetritus, mainly derived from senescent macrophytes, harbour a diverse community of Harpacticoida (Crustacea, Copepoda). The most abundant copepods (i.e. three harpacticoids and one calanoid, belonging to different eco-morphological types) and...
Trophic plasticity of Antarctic echinoids under contrasted environmental conditions - Michel, Loïc; David, Bruno; Dubois, Philippe; Lepoint, Gilles; De Ridder, Chantal
Echinoids are common members of Antarctic zoobenthos, and different groups can
show important trophic diversity. As part of the ANT-XXIX/3 cruise of RV Polarstern,
trophic plasticity of sea urchins was studied in three neighbouring regions (Drake
Passage, Bransfield Strait and Weddell Sea) featuring several depth-related habitats
offering different trophic environments to benthic consumers. Three families with
contrasting feeding habits (Cidaridae, Echinidae and Schizasteridae) were studied. Gut
content examination and stable isotopes ratios of C and N suggest that each of the
studied families showed a different response to variation in environmental and food
conditions. Schizasteridae trophic plasticity was low, and...