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1)  Young Platycladus orientalis forest
侧柏幼林
2)  Platycladus orientalis seedlings
侧柏幼苗
3)  artificial platycladus orientalis forests
侧柏纯林
4)  Platycladus orientalis forest
侧柏林
1.
Pinus tabulaeformis and Platycladus orientalis forests are two important types of conifers in mountain areas of Beijing.
Pinus tabulaeformis)和侧柏林(Form。
5)  Platycladus orientalis plantation
侧柏人工林
1.
Short-term effects of tending on the undergrowth diversity of Platycladus orientalis plantations in Beijing mountainous areas;
抚育间伐对北京山区侧柏人工林林下植物多样性的短期影响
2.
Based on 2×2 contingency table,this paper conducts some analyses of the inter-specific association between dominant tree populations of Platycladus orientalis plantations growing in Xuzhou City,by employing some indices such as collectivity variance ration,association coefficient value and percentage co-occurrence value and χ2-test.
通过2×2联列表,运用总体方差比率、联结系数、种间共同出现百分率和χ2检验等指标对徐州市侧柏人工林主要树种的种间关系进行了研究。
3.
Soil respiration rate (SRR) of Platycladus Orientalis plantation as well as soil temperature and volumetric soil moisture were measured by an automatic, open chamber technique using infrared gas analysis in the hilly region of North-China during 2006, the soil temperature and moisture were measured by an automatic monitoring system.
于2006年1月~12月,分别采用Li-8100红外动态土壤呼吸自动观测系统、温度及湿度自动观测系统测定了华北石质山区30a生侧柏人工林土壤呼吸速率及土壤温度和湿度,分析了该人工林地土壤呼吸的时间变化特征及其与土壤温湿度的关系。
6)  Platycladus orientalis-Robinia pseudoacacia community
侧柏-刺槐林
补充资料:幼林抚育机械
      见营林机械。
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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