biological magnification

biomagnification

The result of bioaccumulation and biotransfer by which tissue concentrations of chemicals in organisms at one trophic level exceed tissue concentrations in organisms at the next lower trophic level in a food chain.

biological magnification

the increasing concentration in organisms of a substance such as a pesticide ingested by their predecessors lower down the FOOD CHAIN. Such concentrations may have deleterious effects on the final consumer; for example, the thin-shelled eggs of birds of prey are linked to high levels of pesticides.

单词	biological magnification
释义	biological magnification biological magnification [‚bī·ə¦läj·ə·kəl ‚mag·nə·fə′kā·shən] (ecology) The increasing concentration of toxins from pesticides, herbicides, and various types of waste in living organisms that accompanies cycling of nutrients through the trophic levels of food webs. biological magnification biomagnification The result of bioaccumulation and biotransfer by which tissue concentrations of chemicals in organisms at one trophic level exceed tissue concentrations in organisms at the next lower trophic level in a food chain. biological magnification the increasing concentration in organisms of a substance such as a pesticide ingested by their predecessors lower down the FOOD CHAIN. Such concentrations may have deleterious effects on the final consumer; for example, the thin-shelled eggs of birds of prey are linked to high levels of pesticides.
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