论文部分内容阅读
去年初冬,我们去宁陕县旬阳坝地区进行了一次植被和土壤调查,在实地调查过程中,通过耳闻目睹,我们感到该地区是我省优良的林业生产基地之一,是秦岭这个“绿色宝库”中的一颗明珠。但是目前尚存在一些问题,极待解决。现提出我们的一些认识,供有关方面参考。一、废止广种薄收,尽快封山育林在旬阳坝附近我们重点调查的范围内可以看到,针叶树种实生幼苗较多,一般生长,发育良好,栎属树种除大量萌生(根基萌发新株)幼苗外,尚有实生幼苗。另外,从河漫滩地和山坡撩荒地群落自然演替情况看,森林的自然更新能力也较强。这是当地
In early winter last year, we went to Xunyangba area in Ningshan County to conduct a survey of vegetation and soil. During the field investigation, we heard that we have heard that the area is one of the finest forestry production bases in our province and the “green Treasure house ”in a pearl. However, there are still some problems to be solved. We are now raising some of our understanding for reference by relevant parties. First, the abolition of a wide range of thin income, as soon as possible closure Hill Yu Lin in Xunyang dam near our focus of investigation can be seen within the conifer seedlings more seedlings, the general growth and well-developed, Quercus species in addition to a large number of germination (root germination of new strains) seedlings, Real seedlings. In addition, from the natural succession of the river floodplain and the uplifted land in the hillside, the natural regeneration ability of the forest is also strong. This is local