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Les teneurs en composés organochlorés dans les organismes marins de différents niveaux trophiques
Vandamme, K.; Maertens, D. (1985). Les teneurs en composés organochlorés dans les organismes marins de différents niveaux trophiques, in: IZWO Coll. Rep. 15(1985). IZWO Collected Reprints, 15: pp. chapter 1
In: (1985). IZWO Coll. Rep. 15(1985). IZWO Collected Reprints, 15[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene. ISSN 0772-1250, more

Also published as
  • Vandamme, K.; Maertens, D. (1983). Les teneurs en composés organochlorés dans les organismes marins de différents niveaux trophiques. Landbouwtijdschrift 36(6): 1677-1682, more

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Keywords
    Organometallic compounds; Trophic levels; Marine

Authors  Top 
  • Vandamme, K.
  • Maertens, D.

Abstract
    Polychlorinated biphenyls (PCBs) and some organochlorine pesticides we re measured in some marine organisms of different trophic levels, sampled in the Belgian coastal waters. Because of their persistence and their lipophilic character they accumulate in lipoidal tissues, causing higher organochlorine residue levels in animals with a high adiposity. To compare the residue levels of different organisms lipid based data must be used.The concept of biological magnification controlled by mass transfers of residues through food chains is questioned because predatory fish like cod contained similar or even lower residue levels than organisms of a lower trophic levellike the peacock worm. This supports the concept that the organochlorine levels are controlled by the equilibrium partitioning of the lipophilic pollutants between body lipids and surrounding water. Nevertheless this equilibrium partitioning appeared to be slow so that other factors like sampling period (before or after spawning) could influence the residue level.

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