Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [127932]

Distribution of trace elements in organs of six species of cetaceans from the Ligurian Sea (Mediterranean), and the relationship with stable carbon and nitrogen ratios Capelli, R.; Das, K.; Pellegrini, R.D.; Drava, G.; Lepoint, G.; Miglio, C.; Minganti, V.; Poggi, R. (2008). Distribution of trace elements in organs of six species of cetaceans from the Ligurian Sea (Mediterranean), and the relationship with stable carbon and nitrogen ratios. Sci. Total Environ. 390(2-3): 569-578. dx.doi.org/10.1016/j.scitotenv.2007.10.036 In: Science of the Total Environment. Elsevier: Amsterdam. ISSN 0048-9697; e-ISSN 1879-1026, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 141569 [ download pdf ]

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Trefwoorden

Analysis > Chemical analysis Analysis > Mathematical analysis > Statistical analysis Anatomical structures > Body organs > Animal organs > Excretory organs > Spleen Biological phenomena > Accumulation > Bioaccumulation Chemical elements > Metals > Heavy metals > Cadmium Chemical elements > Metals > Heavy metals > Lead Chemical elements > Metals > Heavy metals > Mercury Chemical elements > Metals > Heavy metals > Selenium Chemical elements > Metals > Heavy metals > Zinc Chemical elements > Metals > Transition elements > Heavy metals > Copper Chemical elements > Metals > Transition elements > Heavy metals > Iron Chemical elements > Metals > Transition elements > Heavy metals > Manganese Chemical elements > Nonmetals > Atmospheric gases > Nitrogen Chemical elements > Nonmetals > Carbon Ecology Geography > Biogeography Isotopes Isotopes > Nitrogen isotopes Isotopes > Stable isotopes Secretory organs > Glands > Exocrine glands > Digestive system > Digestive glands > Liver Species diversity Trace elements Trophic levels Cetacea [WoRMS] MED, Ligurian Sea [Marine Regions]; MED, Western Mediterranean [Marine Regions] Marien/Kust

Author keywords

cetaceans; mercury; stable isotopes; trace elements; trophic position

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Auteurs		Top
Capelli, R. Das, K., meer Pellegrini, R.D. Drava, G.	Lepoint, G., meer Miglio, C. Minganti, V. Poggi, R.

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Abstract

Mercury (total and organic), cadmium, lead, copper, iron, manganese, selenium and zinc concentrations were measured in different organs of 6 different cetacean species stranded in an area of extraordinary ecological interest (Cetaceans' Sanctuary of the Mediterranean Sea) along the coast of the Ligurian Sea (North-West Mediterranean). Stable-isotopes ratios of carbon (13C/12C) and nitrogen (15N/14N) were also measured in the muscle. A significant relationship exists between 15N/14N, mercury concentration and the trophic level. The distribution of essential and non-essential trace elements was studied on several organs, and a significant relationship between selenium and mercury, with a molar ratio close to 1, was found in the cetaceans' kidney, liver and spleen, regardless of their species. High selenium concentrations are generally associated with a low organic to total mercury ratio. While narrow ranges of concentrations were observed for essential elements in most organs, mercury and selenium concentrations are characterised by a wide range of variation. Bio-accumulation and bio-amplification processes in cetaceans can be better understood by comparing trace element concentrations with the stable-isotopes data.

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