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Journal of Applied Sciences

Year: 2005 | Volume: 5 | Issue: 8 | Page No.: 1434-1437
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Authors

G.A. Omrani

M. Zamanzadeh

A. Maleki

Y. Ashori

Keywords

Research Article

Earthworm Ecology in the Northern Part of Iran: With an Emphasis on Compost Worm Eisenia fetida

G.A. Omrani, M. Zamanzadeh, A. Maleki and Y. Ashori
In the present study, Northern part of Iran was chosen as study area. Four hundred samples of earthworms were collected by three methods (hand-sorting, chemical and heat extraction) of which 352 and 20 were mature and immature earthworms, respectively from different parts of the area. Following the method introduced by Graff the earthworms were placed in formaldehyde (5 and 10%) and ethyl alcohol (60%). The morphological observations showed the presence of eight species including seven specimens of Lumbricidae: A. caliginosa, A. kaznakovi, A. jassyensis, A. rosea, D. veneta, D. byblica, E. fetida and a specimen of Megascolecidae: P. indica. The abundance of E. fetida was 18.1% with large distribution over the area that makes this species an easily available earthworm in rearing industry and in organic waste management.
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