陕西牛背梁国家自然保护区巴山冷杉群落结构特征研究

The Research of Bashan Fir Community Structure Characteristics in Shaanxi Niiubeiliang National Nature Reserve

釆用样地法研究了牛背梁国家自然保护区巴山冷杉林群落结构特征,结果显示该保护区巴山冷杉林植物种类丰富,林中巴山冷杉在数量上占绝对优势,且分布均匀,而其他树种较少;巴山冷杉群落内灌木种类较少,分布极不均匀,多以团状或块状形式分布;巴山冷杉群落内草本植物稀少而苔藓发育较好,分布均匀。

In this paper,the niubeiliang national nature reserve of bashan fir forest is the research object,adopting comprehensive field investigation of typical sampling method,Analysising of the sample data.Finally,It is concluded that the community structure features of bashan fir is,in niubeiliang national nature reserve,the bashan fir forest plant species is rich,the forest of bashan fir dominant in numbers,and uniform distribution,but other species is little;there are little shrub species in Bashan fir community,and they are uneven distribution,most of them are in clumps or block form distribution;in Bashan fir community,herbs are little,but bryophytes are better development and uniform distribution.