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 LuoshanNingxiaChina
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
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