单词	biomagnification
释义	biomagnification /ˌbīōˌmaɡnəfəˈkāSH(ə)n / noun The concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed.It was only after huge amounts had been used and birdwatchers began noticing that eagles were disappearing that biologists discovered biomagnification, the concentration of material up the food chain.... Another factor could be the processes of bioaccumulation and biomagnification, which result in human tissue concentrations that are higher than the concentrations in the exposure environment. ‘Now, the mercury in the bay traveled through the system by that process we environmentalists like to call: biomagnification,’ the teacher droned, repeating that statement for about the fortieth time. Derivatives biomagnify verb ... Fish are vulnerable to methylmercury contamination because watery environments enhance the ability of this organic metal to biomagnify - meaning that it concentrates as it is siphoned up the food chain. This reflects an unfortunate coincidence of transboundary effects combined with the tendency for pollutants to ‘biomagnify’ in northern ecosystems. These chemicals ‘biomagnify’ in the food web and are ‘persistent,’ passing from generation to generation.
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