Article (Scientific journals)
Trace metal and stable isotope measurements (delta C-13 and delta N-15) in the harbour porpoise Phocoena phocoena relicta from the Black Sea
Das, Krishna; Holsbeek, Ludo; Browning, Julie et al.
2004In Environmental Pollution, 131 (2)
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Keywords :
Black Sea; stable isotopes; trace metals; marine mammals; Phocoena phocoena
Abstract :
[en] Stable carbon and nitrogen isotopes (delta(13)C and delta(15)N) and trace metals (Cd, Zn, Cu, Fe, Se, and Hg) were analysed in the tissues of 46 harbour porpoises (Phocoena phocoena relicta) caught in fishing nets along the Ukrainian coasts between 1997 and 1998. Mean delta(13)C values differed significantly between male and female harbour porpoises suggesting a trophic segregation between sexes with a more coastal distribution for females at least during their gestation and nursing periods. Hepatic Hg was correlated to delta(13)C measurements, reflecting a different exposure linked to coastal vs offshore feeding habitats. A geographical comparison with existing data from other regions showed general low levels of Hg, Cd, Cu and Zn in the tissues of harbour porpoises from the Black Sea compared to other Atlantic and North Sea areas. (C) 2004 Elsevier Ltd. All rights reserved.
Research Center/Unit :
MARE - Centre Interfacultaire de Recherches en Océanologie - ULiège
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Das, Krishna  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Holsbeek, Ludo;  Vrij Universiteit Brussel - VUB > Laboratory for Ecotoxicology
Browning, Julie;  Université de Liège - ULiège - ULG > Sciences et Gestion de l'Environnement > Océanologie
Siebert, Ursula;  Christian-Albrechts-Universität zu Kiel - CAU Kiel > Research and Technology Center Westcoast (FTZ)
Birkun, Alexei;  Medicine and Aquaculture (BREMA), Simferopol, Ukraine > Laboratory of Biotechnological Research in Ecology
Bouquegneau, Jean-Marie ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie - Doyen de la Faculté des Sciences
Language :
English
Title :
Trace metal and stable isotope measurements (delta C-13 and delta N-15) in the harbour porpoise Phocoena phocoena relicta from the Black Sea
Publication date :
2004
Journal title :
Environmental Pollution
ISSN :
0269-7491
eISSN :
1873-6424
Publisher :
Elsevier Sci Ltd, Oxford, United Kingdom
Volume :
131
Issue :
2
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
EU-Project INCO-Copernicus, ERBIC15CT960104, Acronym BLASDOL
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