宁夏罗山典型林分土壤养分特征与凋落物质量的关系
陈晶亮, 谭松伟, 刘超, 黄磊

Relationship between soil nutrient characteristics and litter quality of three typical stands in Luoshan, Ningxia, China
Jingliang Chen, Songwei Tan, Chao Liu, Lei Huang
表1 3种林分类型样地概况
Table 1 Basic overview of plots of three forest types
特征林分类型
青海云杉 纯林QY油松纯林 YS青海云彬-油松混 交林QY+YS
经度/(E)106°28′106°28′106°28′
纬度/(N)37°30′37°28′37°28′
海拔/m2 531.52 331.52 378.3
土壤类型灰褐土灰褐土灰褐土
坡向阴阴阴
坡度/(°)30.426.520.6
土壤pH8.27±0.07b8.56±0.15a8.29±0.38b
密度 /(株·hm-2)2 000.00± 458.26b2 800.00± 511.24a1 500.00± 362.37b
树高/m13.61±3.27b10.40±2.81b16.63±4.73a
枝下高/m4.46±1.26b1.86±0.43c6.49±1.57a
胸径/cm21.68±3.51a24.17±8.80a22.25±7.11a
郁闭度0.63±0.05a0.65±0.15a0.65±0.15a