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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Environmental fate & pathways

Bioaccumulation: terrestrial

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Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

Several study have reported the bioaccumulation of heavy metals in tissues of terrestrial small mammals inhabiting abandoned mines, mainly in rodent than in insectivorous species probably because mice and voles are, in general, more abundant and rapidly trapped than shrews.

When comparing sympatric small mammal species, carnivores showed greater bioaccumulation than omnivores and herbivores, which is explained by their high metabolic rate, high food consumption rate, and position at the top of the food-chain.

On the other hand, many study are carried out on the bioaccumulation of heavy metals in plant (e.g. crop, fern etc) with the final purpose to conduct phytoremediation process.