biomagnification


biomagnification
bio·mag·ni·fi·ca·tion (bi″o-mag″nĭ-fĭ-kaґshən) the concentration of chemicals in increased quantities within animals, through a process of bioaccumulation, by being passed through a food chain.

Medical dictionary. 2011.

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  • Biomagnification — Biomagnification, also known as bioamplification, or biological magnification is the increase in concentration of a substance, such as the pesticide DDT, that occurs in a food chain as a consequence of: * Food chain energetics * Low (or… …   Wikipedia

  • Biomagnification — La biomagnification (ou bioamplification) décrit le processus par lequel les taux de certaines substances croissent à chaque stade du réseau trophique (chaîne alimentaire). Cette notion entre dans le cadre plus global de la bioconcentration,… …   Wikipédia en Français

  • biomagnification — a cumulative increase in the concentrations of a persistent substance in successively higher levels of the food chain; in aquatic environments fish are often the terminus of a food chain and have the most chemicals accumulated (PCBs may… …   Dictionary of ichthyology

  • biomagnification — The increase in concentration of a substance in higher level consumer organisms …   Dictionary of microbiology

  • biomagnification — /buy oh mag neuh fi kay sheuhn/, n. See biological magnification. [1970 75; BIO + MAGNIFICATION] * * * …   Universalium

  • biomagnification — noun The process, in an ecosystem, in which a higher concentration of a substance in an organism is obtained higher up the food chain …   Wiktionary

  • biomagnification — /ˌbaɪoʊmægnəfəˈkeɪʃən/ (say .buyohmagnuhfuh kayshuhn) noun the increase in toxicity of a chemical as a result of its progress along a food chain …   Australian English dictionary

  • biomagnification — See: bio accumulation …   Glossary of Biotechnology

  • biomagnification — /buy oh mag neuh fi kay sheuhn/, n. See biological magnification. [1970 75; BIO + MAGNIFICATION] …   Useful english dictionary

  • Bioamplification — Biomagnification La biomagnification (ou bioamplification) décrit le processus par lequel les taux de certaines substances croissent à chaque stade du réseau trophique (chaîne alimentaire). Cette notion entre dans le cadre plus global de la… …   Wikipédia en Français