摘要
通过对甘青交界区５５个样地的青杨样木资料的统计、分析后确认：各立地因子对青杨生长的影响程度依次为地形、土壤、坡向、坡度、降水量、海拔；最佳立地类型组合为：Ｃ１２／Ｃ１３＋Ｃ２３＋Ｃ４１／Ｃ４２＋Ｃ３２＋Ｃ５３／Ｃ５４＋Ｃ６３；各生态因子对青杨生长的影响程度依次为：水、肥、光。
Statistical analysis on date of 55 Populus cathayana plots situated on the boundary between Gansu and Qinghai showed that factors affecting growth of the poplar were topography,soil,aspect,slope steepness,precipitation,elevation in proper oder. The best combination of site type was C 12 /C 13 +C 23 +C 41 /C 42 +C 32 +C 53 /C 54 +C 63 ;ecological factors responsible for the growth were water,fertility,light and temperature respectively
出处
《西北林学院学报》
CSCD
北大核心
1997年第2期20-24,共5页
Journal of Northwest Forestry University
关键词
黄土高原西缘
立地因子
生态因子
青杨
生长
west region of loess plateau
site factor
ecological factor
quantitative analysis
