Plants, terrestrial chromium

Chromium concentrations in field collections of selected species of marine, freshwater, and terrestrial plants and animals... 

Table 2.3 Chromium Concentrations in Field Collections of Selected Species of Marine, Freshwater, and Terrestrial Plants and Animals (Values shown are in mg Cr/kg [ppm] whole organism or designated body part fresh weight [FW], dry weight [DW], or ash weight [AW] ... 

Food Chain Bioaccumulation. Chromium does not bioconcentrate in fish (EPA 1980,1984a Fishbein 1981 Schmidt and Andren 1984). There is no indication of biomagnification of chromium along the aquatic food chain (Cary 1982). Some data indicate that chromium has a low mobility for translocation from roots to above-ground parts of plants (Cary 1982 WHO 1988). However, more data regarding the transfer ratio of chromium from soil to plants and biomagnification in terrestrial food chains would be desirable. 

Certain plants grown on serpentine soils containing 1000-50,000 mg Cr/kg dry weight (DW) may contain 10.0-100.0 mg Cr g DW -levels that may be toxic to wildlife, although no reports of this phenomenon are known. Most plant and invertebrate species die before accumulating amounts of chromium that are toxic to predators. Some species of terrestrial plants have been proposed for the removal of chromate from wastewaters. Terrestrial plants, such as wheat (Triticum aestivum), accumulate the greatest amount of chromium under conditions of sulfate deficiency or deprivation. Because... 

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