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Bulletin of Pure and Applied Sciences-Zoology (Started in 1982)
pISSN: 0970-0765
Impact Factor: 5.395 (2017)
DOI: 10.5958/2320-3188
Editor-in-Chief:  Dr. Sushil Kumar Upadhyay
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Article Details

Bulletin of Pure and Applied Sciences-Zoology (Started in 1982)
Year : 2021, Volume & Issue : BPAS-Zoology 40A(2), JUL-DEC 2021
Page No. : 226-237, Article Type : Original Aticle
Article DOI : 10.5958/2320-3188.2021.00027.9 Article Info: Received on 09.05.2021 Accepted on 31.08.2021 Published on 15.12.2021

Population Dynamics of Earthworm Species Amynthas alexandri (Annelida: Megascolecidae) in Two Different Land-Use Systems of Kumaun Himalayas

*Shikha Bora1, Deepak Chandra Melkani2, Mansi Arya3, Satpal Singh Bisht4
Author’s Affiliation : 1,2,3,4Department of Zoology, D.S.B Campus, Kumaun University, Nainital, Uttarakhand263002, India. E-mail: [email protected], [email protected], [email protected], 4 [email protected]

Corresponding Author : Shikha Bora Department of Zoology, D.S. B Campus, Kumaun University, Nainital, Uttarakhand 263002, India.,
E-Mail:-[email protected]


Comparative study on population dynamics of earthworm Amynthas alexandri carried out in two different land-use systems, i.e., grassland soil at Governor’s Golf field Nainital and croplands at Khurpatal and Chanfi, Nainital. Earthworms from different soil systems were collected by hand sorting and preserved in formalin for further investigations. Soil analysis revealed that the C: N ratio decreased with increasing depth in land-use systems (croplands and Grassland). The highest worm density was recorded during the rainy season in the Grassland (67.3m-2), followed by croplands (28.1 m-2). Biomass during the Rainy season was recorded higher in grassland soil (11.5 g m-2) than in the croplands (8.7 g m-2).


Amynthas alexandri, population dynamics, cultivated soil, Grassland, vertical distribution
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