JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2013, Vol. 56 ›› Issue (02): 71-77.doi: 10.3969/j.issn.1000-2006.2013.02.013

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Integrative effect evaluations on vegetation restoration patterns based on soil vegetation system in watershed, northwest Hunan province

QI Lianghua1,ZHANG Xudong2   

  1. 1. International Center for Bamboo and Rattan, Beijing 100102, China;
    2. Research Institute of Forestry, CAF, Beijing 100091, China
  • Online:2013-04-18 Published:2013-04-18

Abstract: Based upon the case of Nverzhai watershed in northwest Hunan, integrative effects of seven typical vegetation restoration patterns had been studied from the scale of soil vegetation system(SVS)in this paper, which included P. massoniana natural forest(Ⅰ), C. lanceolata plantation(Ⅱ), E. ulmoides plantation(Ⅲ), V. fordii plantation(Ⅳ), M. pingii secondary forest(Ⅴ), P. edulis-C. lanceolata mixed forest(Ⅵ), wasteland-shrub(Ⅶ). Firstly, soil health evaluation system had been found which contained 60 indexes belonging to vegetation subsystem, soil subsystem and topographical factors. Secondly, the gray incidence ordinations of vegetation restoration effects on vegetation sub-system, soil sub-system and soil vegetation system were Ⅴ>Ⅱ>Ⅰ>Ⅳ>Ⅵ>Ⅲ>Ⅶ, Ⅴ>Ⅵ>Ⅱ>Ⅶ>Ⅳ>Ⅲ>Ⅰ and Ⅴ>Ⅱ>Ⅵ>Ⅰ>Ⅳ>Ⅲ>Ⅶ respectively, which proved that pattern Ⅴ was the best and the pattern Ⅶ was the worst. Finally, through the gray incidence arrangement of evaluation indexes, Shannon-Weiner index, capillary porosity, organic matter, sucrase activity had the closest relationship with soil health respectively in vegetation characteristics, soil physical, chemical and biological properties. The contribution rate regularity of topographical factors affecting vegetation restoration was slope position, elevation slope degree, slope direction.

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