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JOURNAL OF DESERT RESEARCH  2012, Vol. 32 Issue (6): 1617-1625    DOI:
Biology and Soil     
Community Characteristics of Soil Fauna at Oasis-desert Ecotone in Southeastern Edge of the Junggar Basin, Xinjiang, China
Omar Abliz1, Abudurusul Tursun1, Gulbostan Nurmammat2, WU Song-lin1
1.College of Life Sciences and Technology, Xinjiang University, Urumqi 830046, China;
2.College of Life Sciences and Chemistry, Xinjiang Normal University, Urumqi 830054, China
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Abstract  

For understanding the characteristics of community structure, diversity and seasonal dynamics of soil fauna at different habitats of oasis-desert ecotone in southeastern edge of the Junggar basin, an investigation was conducted in April, July, September and November of 2010 by using field sampling method. Results are as follows: (1) A total of 9 788 soil animals were captured and they can be classified into 4 phyla, 12 classes, 32 orders. The dominant groups included Oribatida, Collembola, Mesostigmata and Prostigmata, and the common groups included Tylenchida, Coleoptera larvae, Hymenoptera, Astigmata, Thysanoptera and Diptera larvae. The dominant groups and the common groups accounted for 96.27% of the total samples, and the other 22 groups belonged to the rare groups and they only accounted for 3.73% of the total samples. (2) There were significant differences in community composition, individual number and diversity of soil fauna among the 8 different habitats in the oasis-desert ecotone(P<0.05), and the orders of group number in different habitats were natural forest>shelter forest>grassland>shrubbery>cropland>vegetable land>grassland>desert, and the sequences of individual number were vegetable land>cropland>grassland>shelter forest>natural forest>grassland>shrubbery>desert. (3) The vertical distribution of the individual density in soil profile showed surface accumulation in the layer of 0~5 cm and declined with depth increasing of soil layer. (4) There were significantly seasonal variations in the composition and individuals of soil animal community, and the sequence of seasonal dynamics of individual numbers of the soil fauna were Winter>Autumn>Spring>Summer.

Key words:  southeastern edge of Junggar Basin      oasis-desert ecotone      soil fauna      community diversity      seasonal change     
Received:  27 April 2012      Published:  24 June 2012
ZTFLH:  Q958.11  

Cite this article: 

Omar Abliz1, Abudurusul Tursun1, Gulbostan Nurmammat2, WU Song-lin1. Community Characteristics of Soil Fauna at Oasis-desert Ecotone in Southeastern Edge of the Junggar Basin, Xinjiang, China. JOURNAL OF DESERT RESEARCH, 2012, 32(6): 1617-1625.

URL: 

http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2012/V32/I6/1617

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