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bioaccumulation
(redirected from Bio-accumulation)

   Also found in: Wikipedia, Hutchinson 0.01 sec.
bi·o·ac·cu·mu·la·tion (b--kymy-lshn)
n.
The increase in the concentration of a substance, especially a contaminant, in an organism or in the food chain over time.

bioaccumulation
process producing an increase in the concentration of chemicals (usually toxins) in the tissues of organisms with each increase in the trophic level in the food chain. Examples include chlorinated hydrocarbons which reach their greatest concentrations in predatory birds and pelicans, and ciguatera in which the toxins are concentrated in large predatory fish such as gropers, barracudas and mackerel.


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2002) were able to show that PBDEs accumulate in carp; however, the congener pattern is different: BDE 47 is still dominant, but it is followed by BDE 154 and there is almost no BDE 99 bio-accumulation.
This bio-accumulation in fish has lead to consumption advisories, particularly across the Great Lakes states, Gearhart says.
Synthetic musk chemicals in particular may be ecologically harmful "due to their high bio-accumulation potential in animals and in the aquatic environment, their general persistence, dermal permeability and insufficiently assessed toxicity" says Dr.
 
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