References of "Dauby, Patrick"
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See detailTrophic diversiy within the eastern Weddell Sea amphipod community
Dauby, Patrick ULg; Scailteur, Yves; De Broyer, Claude

in Hydrobiologia (2001), 443

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See detailPotential impact of the main benthic amphipods on the eastern Weddell Sea shelf ecosystem (Antarctica)
Dauby, Patrick ULg; Scailteur, Yves; Chapelle, Gauthier et al

in Polar Biology (2001), 24

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See detailAdaptations des organismes à la vie dans les abysses et les sources hydrothermales
Dauby, Patrick ULg

Conference given outside the academic context (2000)

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See detailVariations saisonnières des isotopes stables du carbone (13C) et de l'azote (15N) dans un réservoir mésotrophe
Hoffman, Lucien; Willame, Raphaël; Thys, Isabelle et al

Conference (2000, July 17)

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See detailVariations saisonnières des isotopes stables du carbone (13C) et de l'azote (15N) dans un réservoir mésotrophe.
Hoffmann, Lucien; Willame, R.; Thys, I. et al

in Annales scientifiques de l'Université de Clermont-Ferrand 2 (2000, July), 108

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See detailAn "Antarctic Marine Biodiversity Reference Centre" devoted to amphipod crustaceans
De Broyer, Claude; Van Roozendael, Françoise; Jazdzewski, Krzysztof et al

Poster (2000, April)

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See detailAmphipods of a stony beach in the maritime Antarctic
Jazdzewski, Krzysztof; De Broyer, Claude; Pudlarz, M et al

Poster (2000, April)

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See detailTrophic type diversity within eastern Weddell Sea amphipod community
Dauby, Patrick ULg; Scailteur, Yves; De Broyer, Claude

Conference (2000, April)

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See detailTuna and dolphin associations in the Northeast Atlantic: Evidence of different ecological niches from stable isotope and heavy metal measurements
Das, Krishna ULg; Lepoint, Gilles ULg; Loizeau, Véronique et al

in Marine Pollution Bulletin (2000), 40

Associations of tunas and dolphins in the wild are quite frequent events and the question arises how predators requiring similar diet in the same habitat share their environmental resources. As isotopic ... [more ▼]

Associations of tunas and dolphins in the wild are quite frequent events and the question arises how predators requiring similar diet in the same habitat share their environmental resources. As isotopic composition of an animal is related to that of its preys, stable isotopes (13C/12C and 15N/14N) analyses were performed in three predator species from the Northeast Atlantic: the striped dolphin, Stenella coeruleoalba, the common dolphin Delphinus delphis, and the albacore tuna, Thunnus alalunga, and compared to their previously described stomach content. Heavy metals (Cd, Zn, Cu and Fe) are mainly transferred through the diet and so, have been determined in the tissues of the animals. Tunas muscles display higher delta15N than in common and striped dolphins (mean: 11.4 0/00 vs. 10.3 0/00 and 10.4 0/00, respectively) which reflects its higher trophic level nutrition. Higher delta13C are found in common (-18.4 0/00) and striped dolphin (-18.10/00) muscles than in albacore tuna (-19.3 0/00) likely in relation with its migratory pattern. The most striking feature is the presence of two levels of cadmium concentrations in the livers of the tunas (32 mg kg-1 dry weight vs. 5 mg kg-1 dry weight). These two groups also differ by their iron concentrations and their delta15N and delta 13C liver values. These results suggest that in the Biscay Bay, tunas occupy two different ecological niches likely based on different squid input in their diet. [less ▲]

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See detail"Ant'Phipoda", the reference centre for Antarctic crustaceans: A tool for developing and managing Antarctic marine biodiversity information
De Broyer, Claude; Duchesne, Paul-André; Vander Linden, Charles et al

in Polish Archives for Hydrobiology (2000), 47

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See detailUse of stable isotope to delineate amphipod trophic status in Antarctic food webs
Nyssen, Fabienne ULg; Brey, Tom; Lepoint, Gilles ULg et al

in Polish Archives for Hydrobiology (2000), 47

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See detailAmphipods of a stony beach in the maritime Antarctic
Jazdzewski, Krzystov; De Broyer, Claude; Pudlarz, M. et al

in Polish Archives for Hydrobiology (2000), 47

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See detailRelative impact of a seagrass bed and its adjacent epilithic algal community in consumer diets
Lepoint, Gilles ULg; Nyssen, Fabienne ULg; Gobert, Sylvie ULg et al

in Marine Biology (2000), 136

The aim of this work was to identify and compare, using nitrogen and carbon stable isotope data, the food sources supporting consumer communities in a Mediterranean seagrass bed (Gulf of Calvi, Corsica ... [more ▼]

The aim of this work was to identify and compare, using nitrogen and carbon stable isotope data, the food sources supporting consumer communities in a Mediterranean seagrass bed (Gulf of Calvi, Corsica) with those in an adjacent epilithic algal dominated community. Isotopic data for consumers are not significantly different in the two communities. Particulate matter and algal material (seagrass epiflora and dominant epilithic macroalgae) appear to be the main food sources in both communities. Generally, the 13C of animals suggests that the seagrass Posidonia oceanica (L.) Delile represents only a minor component of their diet or of the diet of their prey, but the occurrence of a mixed diet is not excluded. P.oceanica dominates the diet of only of few species, among which holothurians appear as key components in the cycling of seagrass material. [less ▲]

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See detailAmphipods of a stony beach in the maritime Antarctic
Munn, R.; De Broyer, Claude; Sicinski, Jacek et al

in Polish Polar Studies (1999)

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