Abstract

The present study was carried out in two adjacent areas of a natural forest and jhumland ecosystem in Mopungchuket village and Chuchuyimpang village respectively, under Mokokchung district, Nagaland, which lies at 26 o 11' 36'' North latitude and in between 94 o 17' 44'' to 94 o 45' 42'' (E) longitude. The study was conducted during January 2009 to December 2011. The vertical distribution and abundance of total soil Acarina were found to be more in the natural forest ecosystem (424.82 x 10 2 m -2 ) than jhum land ecosystem (264.70 x 10 2 m -2 ) and showed a significant decrease from upper layer to deeper layers i.e., from 0 cm to 30 cm depth. The soil Acarina showed a higher population in the natural forest, with the different values during the different seasons being 231.37 x 10 2 m -2 (rainy season), 116.20 x 10 2 m -2 (summer) and 77.25 x 10 2 m -2 (winter season) respectively. The physico-chemical factors exhibited significant correlation with soil Acarina except soil potassium. The community analysis was carried out for soil Acarina because they are one of the major groups of soil microarthropods and their contributions are maximum in term of species, abundance and distribution.

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