贵州中部喀斯特山地三种优势灌木养分分布 关键词:贵州;喀斯特;灌木树种;养分分布 [gap=13540]Key words:Guizhou;Karst;shrub species;nutrient distribution
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,hard broadleaves,Cuperssaceae and so on in turn. Shrub species were:Hippophae L. and Caragana Fabr.
灌木树种依次为:沙棘、锦鸡儿。
参考来源 - 基于RS和GIS的吴起县森林资源现状调查与分析Introduction of common and high ornamental value shrub species in Beijing will increase the biodiversity, community stability and tourism attraction, besides, it will increase the income of local residents.
引种一些北京山区习见的、具有较高观赏价值的野生灌木树种和草本等措施提高这些地区的生物多样性、群落稳定性和旅游吸引力,提高当地居民的经济收入。
参考来源 - 密云水库北京集水区荆条灌丛结构特征与近自然经营模式·2,447,543篇论文数据,部分数据来源于NoteExpress
The sprouting ability of 3 flowering shrub species, Syringa oblate, Forsythia suspense and Prunus triloba were studied.
以丁香、连翘和榆叶梅为材料,研究了3种花灌木的萌生能力。
Many shady tolerant plant species have occurred naturally, while the pioneer shrub species have been limited or superseded.
群落中出现大量的耐荫植物,先锋灌丛植物已被抑制或淘汰。
Percentage, relative density and importance values of tree species and intolerant tree and shrub species increased while slope gradient from lower to upper.
灌木层中乔木树种和阳性乔灌木种类比例、相对密度和重要值均随坡位梯度从下部到上部逐渐增大。
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