biomagnification


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Related to biomagnification: bioaccumulation

bi·o·mag·ni·fi·ca·tion

 (bī′ō-măg′nə-fĭ-kā′shən)
n.
The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.
References in periodicals archive ?
Biomagnification, the process by which mercury works its way up the food chain, is referenced by Smith's inclusion of life-sized glazed earthenware fish: Atlantic herring from cold northern waters, warm-water Gulf menhaden and the Atlantic bluefin tuna that feed on both.
have a higher concentration of mercury than small ones due to biomagnification.
Pesticides are reaching inside the human body by way of biomagnification.
below, accounting for the fragility and biomagnification inherent in
Plants cultivated in soil polluted with toxic metals bioaccumulate the metals in their edible and non-edible parts in quantities high enough to result in biomagnification, which could cause various ailments including deaths in humans and animals [7, 8].
Biomagnification, the accumulation of mercury as one organism consumes more and more organisms that contain mercury, means that the higher up the food chain fish and seafood are, the higher the concentration of mercury in their tissue.
metastability, enables their: i) long-range transport, bioaccurnulation in biological tissue, and, consequent, iii) biomagnification in ecological biocycles.
Additionally, there is risk of biomagnification of these hydrochar-bound toxicants into higher trophic levels.
The teeth of the nerpa are actually better indicators due to biomagnification, the process by which the concentration of a substance increases with each level of the food chain.
Fortunately, cesium shows only modest biomagnification in marine food chains--much less than mercury, a toxic metal, or many other harmful organic compounds such the insecticide DDT and polychlorinated biphenyls (PCBs), Fisher said.
Among the topics are measuring gas phase mercury emissions from industrial effluents, microbial transformations in the mercury cycle, the effects of dissolved organic matter on mercury biogeochemistry, the exchange of elemental mercury between the oceans and the atmosphere, and the bioaccumulation and biomagnification of mercury through food webs.