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OJVRTM
Online Journal of
Veterinary Research©
Volume
11(2):23-37, 2007. Extensively redacted 2018.
Earthworm (Lumbricus terrestris) as indicator of heavy metals in soils
Mahmoud
HM’
Department
of Biology, Faculty of Science and Engineering,
ABSTRACT
Mahmoud
HM Earthworm (Lumbricus
terrestris) as bioindicator
of heavy metal in soil. Onl J Vet Res 11(2):23-37,
2007. The important role of earthworms
in the biomagnification of heavy metals in
terrestrial ecosystems and its role in the transfer of heavy metals toward
higher trophic levels are widely recognized. In the present study copper, iron,
zinc, cadmium and lead levels in soil and earthworm (Lumbricus terrestris)
were used to determine contamination. Soil and earthworm samples were taken from
areas polluted by agricultural activities or moderate industry. Results
suggested that metal levels in worms taken from industrial area exhibited varying accumulation
of metal from industrial pollution. We found a positive correlation (P < 0.05)
between some heavy metals concentration in the soil and earthworms.
KEY
WORDS: Earthworms, soil, heavy metals, bioconcentration,
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