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[1]LI De-lu,WANG Hui,YANG Zi-hui,et al.Community Structure Characteristic and Species Diversity of Zygophyllum xanthoxylum in Minqin[J].Research of Soil and Water Conservation,2013,20(03):196-200,205.

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Community Structure Characteristic and Species Diversity of Zygophyllum xanthoxylum in Minqin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 03 Page number: 196-200,205 Column: Public date: 2013-06-28

Title:: Community Structure Characteristic and Species Diversity of Zygophyllum xanthoxylum in Minqin

Author(s):: LI De-lu^1,2, WANG Hui¹, YANG Zi-hui², LI Ya², ZHU Guo-qing², HU Xiao-ke²; 1. College of Forestry, Gansu Agricultural University, Lanzhou 730070, China;
2. Minqin National Studies Station for Desert Steppe Ecosystem & Gansu Desert Control Research Institute, Wuwei, Gansu 733000, China

Keywords:: Minqin; Zygophyllum xanthoxylum; community structure; species diversity

CLC:: Q143

DOI:: -

Abstract:: Studying the Zygophyllum xanthoxylum species diversity have great significance for reasonable protection and utilization of Zygophyllum xanthoxylum sources in Minqin. The community structure and diversity characteristics of Zygophyllum xanthoxylum community was researched by using quadrat investigation in different distribution areas in Minqin, the results show that:(1) Zygophyllum xanthoxylum community structure is simple and species is monotonous. There are 39 kinds of species belonging to 12 families and 31 genera. There are more single genus that contribute 50 percent of total genus;(2) Population density of Zygophyllum xanthoxylum is higher in sand gravel field, but growth is smaller. Fixed and semi-fixed sand is opposite. Growth and density of Zygophyllum xanthoxylum was influenced by habitat. (3) Species is rich relatively, species diversity index is higher, community stability is well, community dominance index is lower in sand gravel field, but community composition of fixed and semi-fixed sand is single, structure is simple, species diversity index is lower, ecological dominance is higher, and community stability is poorer.

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