摘要
根据甘肃河西地区人工林的特点,提出了在调查方法上的特殊性;有林地和疏林地概念的理解;树种组成的确定;多次补造林株数和面积的统计;灌木状沙枣林地类的划分。
Based on the characteristics of artificial forests of He'xi area in Gansu,particularity of investigation methods has been proposed. Exactly understanding the concept of forest land and sparse forest land, identifying tree species composition, stating plantation numbers and acreage, compartmentalizing artificial shrub russianolive forest type play a very important role in the investigation.
出处
《甘肃林业科技》
2004年第2期25-26,共2页
Journal of Gansu Forestry Science and Technology
关键词
人工林
调查方法
特殊性
artificial forests
investigation methods
particularity