bioaccumulation
the concentration of toxic compounds in water through the food chain. As fish are often the final link in the chain, they may accumulate levels of chemicals in their flesh that are harmful to them and to humans. Even non-fatal levels may affect behaviour, growth and reproduction

Dictionary of ichthyology. 2009.

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  • Bioaccumulation — refers to the accumulation of substances, such as pesticides, or other organic chemicals in an organism. [1] Bioaccumulation occurs when an organism absorbs a toxic substance at a rate greater than that at which the substance is lost. Thus, the… …   Wikipedia

  • bioaccumulation — [bī΄ō ə kyo͞om΄yo͞o lā′shən, bī΄ō ə kyo͞om΄yəlā′shən] n. the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue bioaccumulate [bī΄ō ə kyo͞om′yo͞olāt΄, bī΄ō ə kyo͞om′yəlāt΄] vi. bioaccumulated,… …   English World dictionary

  • Bioaccumulation — La bioaccumulation désigne la capacité des organismes à absorber et concentrer dans tout ou une partie de leur organisme (partie vivante ou inerte telle que l écorce ou le bois de l arbre, la coquille de la moule, la corne, etc..) certaines… …   Wikipédia en Français

  • bioaccumulation — biologinis kaupimas statusas T sritis ekologija ir aplinkotyra apibrėžtis Organizmų ir jų gaminamų medžiagų apykaitos produktų kaupimasis tam tikroje terpėje (vandenyje, dirvožemyje), pvz., eutrofinių vandens telkinių mikrodumblių spartus… …   Ekologijos terminų aiškinamasis žodynas

  • bioaccumulation — bioaccumulative, adj. /buy oh euh kyooh myeuh lay sheuhn/, n. See biological accumulation. * * * …   Universalium

  • bioaccumulation — noun The process by which substances accumulate in the tissues of living organisms; used especially of toxic substances that accumulate via a food chain …   Wiktionary

  • bioaccumulation — bio·ac·cu·mu·la·tion .bī ō ə .kyü myə lā shən n the accumulation of a substance (as a pesticide) in a living organism bio·ac·cu·mu·late ə kyü m(y)ə .lāt vb, lated; lating bio·ac·cu·mu·la·tive .lāt iv, lət adj * * * bio·ac·cu·mu·la·tion… …   Medical dictionary

  • bioaccumulation — bio·accumulation …   English syllables

  • bioaccumulation — …   Useful english dictionary

  • bioaccumulation factor — biologinio kaupimo veiksnys statusas T sritis ekologija ir aplinkotyra apibrėžtis Veiksnys (šviesa, temperatūra, maisto ištekliai), skatinantis organizmo medžiagų kaupimą. atitikmenys: angl. bioaccumulation factor; bioconcentration factor vok.… …   Ekologijos terminų aiškinamasis žodynas

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