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[1]LI Miao,LI Kai-rong,YANG Xiao-yi,et al.Study on Structure and Plant Diversity of Pinus Tabulaeformis Stands in Chunhua County[J].Research of Soil and Water Conservation,2010,17(06):142-147.

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Study on Structure and Plant Diversity of Pinus Tabulaeformis Stands in Chunhua County

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 06 Page number: 142-147 Column: Public date: 2010-12-20

Title:: Study on Structure and Plant Diversity of Pinus Tabulaeformis Stands in Chunhua County

Author(s):: LI Miao¹, LI Kai-rong², YANG Xiao-yi¹, LIU Xue-feng¹; 1. College of Forestry, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China

Keywords:: Pinus tabulaeformis; breast diameter distribution; tree height distribution; diversity

CLC:: S791.253;Q948.1

DOI:: -

Abstract:: According to the investigation of the structure and plant diversity of Pinus tabulaeformis stands, we got information on them and then summarized some basic rules which could promote the forest management. On the base of sample investigation in standard plots in the Chunhua county on the Loess Plateau, different density and site conditions of Pinus tabulaeformis stand and undergrowth plant diversity were compared and analyzed. The results showed that in the density of 2475 trees/hm² of half-mature forest, the average diameter was larger and the diameter distribution was close to normal distribution; the diameter distribution was negatively skewed in the smaller density of mature forest and positively skewed in the larger ones. The small density of forest stand was useful for the Pinus tabulaeformis’ diameter growth and the large could promote the height growth. The diversity of species in half-mature forest was more than mature ones. The large stand density was not good for the growth of the understory plant.

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