甘肃省小陇山路域和林区森林群落生态位比较研究

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1、硕士学位论文M.D.Thesis甘肃省小陇山路域和林区森林群落生态位比较研究ComparativestudyontheforestcommunitynicheoftheGansuXiaolongshanexpresswayareaandtheforestarea西北师范大学NorthwestNormalUniversity二〇一七年五月西北师范大学研究生学位论文作者信息论文题目甘肃省小陇山路域和林区森林群落生态位比较研究姓名王振乾学号201422201564专业名称环境工程答辩日期2017.05.20联系电话E-mail通

2、信地址(邮编)备注：目录摘要............................................................................................................................IAbstract.....................................................................................................................

3、.III1绪论............................................................................................................................11.1研究背景.............................................................................................................11.2研究目的和意义.....

4、............................................................................................11.3研究内容.............................................................................................................21.4国内外研究现状............................................

5、.....................................................21.4.1国外研究状况..............................................................................................21.4.2国内研究状况.............................................................................................

6、.32研究区概况................................................................................................................62.1地理概况.............................................................................................................62.2气候特征...................

7、..........................................................................................62.3植被概况.............................................................................................................63研究方法...................................................

8、.................................................................83.1野外调查与数据采集..........................................................................