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[1]WANG Yan,ZHANG Chao,SONG Wei-feng,et al.Spatial Distribution Characteristic of Yuanyang Rice Terrace[J].Research of Soil and Water Conservation,2013,20(02):103-107.

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Spatial Distribution Characteristic of Yuanyang Rice Terrace

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 02 Page number: 103-107 Column: Public date: 2013-04-28

Title:: Spatial Distribution Characteristic of Yuanyang Rice Terrace

Author(s):: WANG Yan, ZHANG Chao, SONG Wei-feng, HE Xian, ZHANG Shao-dong; Southwest Forestry University, Kunming 650224, China

Keywords:: soil and water conservation; slope analysis; Yuanyang rice terrace; spatial distribution

CLC:: S157

DOI:: -

Abstract:: The basic spatial distribution and formation pattern of Yuanyang rice terrace were obtained by the field survey and GIS terrain analysis, which is important to reconstruction of degraded ecosystems, sustainable ecosystem benefit development, as well as the establishment of theoretical reference and guidance for modern terrace management and protection. The research results show that the total area of rice terrace is 2.64×10⁴ hm², area mostly distributed in 0~1 ha, especially in less than 1 ha, and the centralized distribution of rice terrace from 1 000 to 1 300 m, the slope of 15°~25°, with the northwest, northeast and north exposure field. Special vegetation vertical distribution characteristics on Ailao Mountain and the distribution characteristics of local minority habitats are the mainly reason for the basic spatial distribution. High temperature occurs in dry-hot valley of low latitude and cooling current on high altitude which ensures the abundant water supply of rice terrace, and created the terraced landscape of farming culture for thousands of years.

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