shrub species

Arthropods communities were extremely significant difference among the tree layer, shrub layer, herbaceous layer and leaf litter layer, the individual number, species number, species diversity and evenness index of Arthropods were the maximum in herbaceous layer.

节肢动物群落在林冠层、灌木层、草间层和枯落物层4个垂直层次之间有极显著差异，草间层具有最高的物种数、个体数、多样性指数和均匀度指数。

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Characteristics of Species Diversity of the Secondary Shrub in the Simian Mountain at Chongqing

重庆四面山次生灌丛的物种多样性特征

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The shrub species range from 16 and 23 mainly, among which Bambusa glaucescens, Euonymus japonicus, Pittosporum tobira, Rhododendron indicum, Loropetalum chinensis var. rubrum, are very ordinary.

灌木层物种一般集中在16～23种，常见物种为孝顺竹、大叶黄杨、海桐、毛鹃、红花橙木等。

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Seventeen plots ( 20 m × 20 m) of 20-year-old Chinese pine ( Pinus tabulaeformis) plantations were investigated for tree growth parameters, plant species diversity, and coverage of shrub and herbaceous layers in the upper reaches of the Min River in southwestern China.

调查了岷江上游20a龄油松人工林样方17个（20m×20m），测定了油松生长参数、林下植被的植物物种多样性和盖度，以分析油松生长和群落结构变化的密度效应。

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The sprouting ability of3 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。

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Species richness was generally low in all shrub communities.

各类灌丛之间物种丰富度指数相差不大.

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In order to use shrub materials to produce wood based panels reasonably, pH value, buffering capacity and curing time of 6 main shrub species in the north western China were measured.

为了合理开发我国西北地区的沙生灌木，研究了内蒙西部地区沙柳、柠条、沙棘、红柳、桦棒、杨柴6种主要沙生灌木的pH值、酸碱缓冲容量与UF胶混合物固化时间。

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pollen grains in single flowers of shrub species were found to be almost ten times as many as that of herbs, while the tree species also have higher pollen grain numbers than congeneric shrub species.

对同一属内不同生活型植物的花粉数比较，发现乔木的单花花粉数高于灌木，灌木的单花花粉数明显高于草本。

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comparative studies on light utilization characteristics and shade tolerance of 7 climbing shrub species

扶芳藤、紫藤等7种藤本植物光能利用特性及耐荫性比较研究

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Species distributed evenly and Richness of species was great when the density closure of broadleaved stands was 0.6~( 0.7) and density closure of needle-leaved stands was 0.7~ 0.8, plants of arborous, shrub, and herbal layers grew well.

阔叶林在郁闭度0.6～0.7，针叶林在0.7～0.8时各物种分布均匀，物种丰富度较大，乔、灌、草各层生长状况良好。

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The number of species in the community of field of hill near and alpine shrub meadow were the hightest, the number of species in the community of bareness rock was the fewest.

以山缘农田群落和高寒灌丛草甸群落中种数最多，裸岩群落中种数最少。

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much attention should be paid to shrub species diversity during artificial reforestation because shrub species diversity has important values for improving soil biological fertility.

灌木物种多样性的恢复在人工造林恢复植被过程中应予以重视，它对于土壤生物学肥力的提高具有重要意义。

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D and H ′ of species diversity indexes of identical layer are different, but it has basically the same tendency in different growth stages of Sophora davidii community. Species diversity indexes of shrub layer increase with increasing time.

同一层次的物种多样性指数D和H′虽然数值不同，但在不同阶段狼牙刺群落有基本一致的趋势，灌木层物种多样性指数基本上随恢复时间的增加而增加；

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Thinning stands with the thinning intensity of about 20% and 30% had no significant effects on species diversity, biomass of shrub and herb, and physical properties of soil.

20%和30%的间伐强度没有显著地改变林分的物种多样性、灌草生物量和土壤物理性质，间伐样地的物种多样性略有提高；

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