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The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.
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26) Pollutants that enter the complex Arctic food web exist at heightened concentrations at the top trophic level (which includes whales, seals, polar bears, and humans) as a result of bioaccumulation and bioamplification.
L'application des techniques et des connaissances geoscientifiques aident a determiner les sources et les voies d'exposition naturelles et anthropogeniques, les mecanismes de bioaccumulation et de bioamplification sur des sites eloignes ainsi que la variabilite regionale des concentrations de fond des elements et de leurs composes dans l'environnement.
Along the aquatic food chain, there is a bioamplification of metal concentrations, leading to very high concentrations in the top predators--including people, such as the Wayana.