- bioconcentration
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Any process that leads to a a higher concentration of a substance in an organism than in its environment
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bioconcentration
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Bioconcentration — La bioconcentration désigne le phénomène qui, pour une substance donnée (oligoélément, polluant, radioisotope, etc.), va engendrer des concentrations dans les êtres vivants supérieures aux concentrations présentes dans le milieu. Il y a… … Wikipédia en Français
bioconcentration — 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
Bioconcentration factor — is the concentration of a particular chemical in a tissue per concentration of chemical in water (reported as L/kg).This physical property characterizes the accumulation of pollutants through chemical partitioning from the aqueous phase into an… … Wikipedia
bioconcentration 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
bioconcentration — the net accumulation of a chemical in tissues of a fish to levels greater than in the surrounding medium. This seems to be identical with bioaccumulation; the various definitions of both these terms being similar or different depending on the… … Dictionary of ichthyology
bioconcentration — bio·con·cen·tra·tion (bi″o kon″sən traґshən) the concentration within an organism, through a process of bioaccumulation, of quantities of a chemical that are greater than those in the surrounding environment … Medical dictionary
Azolla filiculoides — Azoll … Wikipédia en Français
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
POLLUTION — Bien que d’usage banal à l’heure actuelle, le terme de pollution recouvre des acceptions fort diverses et qualifie une multitude d’actions qui dégradent d’une façon ou d’une autre le milieu naturel. Certes, le vocable désigne sans ambiguïté les… … Encyclopédie Universelle
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
