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词汇 biomagnification
释义

Definition of biomagnification in US English:

biomagnification

noun ˌbaɪoʊˌmæɡnəfəˈkeɪʃ(ə)nˌbīōˌmaɡnəfəˈkāSH(ə)nˌbaɪoʊˌmæɡnəfəˈkeɪʃ(ə)n
  • 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.

    Example sentencesExamples
    • Vectors for POPs are the same as for heavy metals (i.e., ocean currents, precipitation, and biomagnification through the food chain, especially the marine food chain).
    • ‘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.
    • Unfortunately, insecticides like DDT used to control the mosquitoes was found to ripple through the web of life in a process called biomagnification, and proved to be dangerous to other species, including humans.
    • 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.
    • 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.
    • But the researchers found that BMAA accumulates and becomes more potent as it moves up the food chain - a process called biomagnification.
    • Formation of methyl-mercury in aquatic environments leads to biomagnification and neurotoxicity in consuming mammals.
    • Then we go further and I see that we are acknowledging that the Arctic ecosystems and indigenous communities are particularly at risk, because of the biomagnification, and that it is a public health issue.
    • Beyond its scientific meaning, biomagnification serves more broadly as a useful metaphor for southern impact in the north in the sense that many impacts felt in the north tend to be magnified and concentrated.

Derivatives

  • biomagnify

  • verb
    • This reflects an unfortunate coincidence of transboundary effects combined with the tendency for pollutants to ‘biomagnify’ in northern ecosystems.
      Example sentencesExamples
      • Similar to many other pollutants, mercury biomagnifies up the food chain so the larger and older a fish, the greater the potential for contamination with mercury.
      • These chemicals ‘biomagnify’ in the food web and are ‘persistent,’ passing from generation to generation.
      • Each of these compounds are important contaminants in biological systems as they readily bioaccumulate and biomagnify in the food chain.
      • 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.

Definition of biomagnification in US English:

biomagnification

nounˌbīōˌmaɡnəfəˈkāSH(ə)nˌbaɪoʊˌmæɡnəfəˈkeɪʃ(ə)n
  • 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.

    Example sentencesExamples
    • Vectors for POPs are the same as for heavy metals (i.e., ocean currents, precipitation, and biomagnification through the food chain, especially the marine food chain).
    • Unfortunately, insecticides like DDT used to control the mosquitoes was found to ripple through the web of life in a process called biomagnification, and proved to be dangerous to other species, including humans.
    • Then we go further and I see that we are acknowledging that the Arctic ecosystems and indigenous communities are particularly at risk, because of the biomagnification, and that it is a public health issue.
    • 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.
    • Formation of methyl-mercury in aquatic environments leads to biomagnification and neurotoxicity in consuming mammals.
    • 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.
    • Beyond its scientific meaning, biomagnification serves more broadly as a useful metaphor for southern impact in the north in the sense that many impacts felt in the north tend to be magnified and concentrated.
    • But the researchers found that BMAA accumulates and becomes more potent as it moves up the food chain - a process called biomagnification.
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