The natural vegetation was investigated in October 2006 in Dongzhi Plateau,Qinyang city,Gansu province.Based on the analysis of 23 sample plots in Dongzhi Plateau,the natural vegetation can be divided into 3 vegetation types,4 vegetation subtypes and 14 formations,165 species were recorded belonging to 65 genera in 33 families.The comprehensive index for evaluating the natural vegetation were integrated with 5 indices including coverage,species scalar,biomass,growth and structure characters,which could be grouped into 5 grades from Ⅴ to Ⅰ.The results showed that the comprehensive index of the vegetations were graded from Ⅳ to Ⅱ, among which the forest communities graded fromⅢtoⅡ,the shrubs community and the steppes from Ⅳ-Ⅲ.
梁明易, 刘谞承, 曾嘉强, 汪涛. 陇东董志塬植被生态现状及评价[J]. , 2010, 29(4): 351-357.
LIANG Ming-yi, LIU Xu-cheng, ZENG Jia-qiang, WANG Tao. The investigation and evaluation of the natural vegetation in Dongzhi Plateau, easten Guansu Province. , 2010, 29(4): 351-357.