英语释义

1. the undergrowth of a forest consisting usually of plants from 3 to about 15 feet in height and including both shrubby vegetation and seedling trees

片语

shrub-layer plant species灌木层

Construction of shrub layer灌木层结构

shrub layer coverage灌木层盖度

The shrub layer灌木层

species diversity in shrub layer灌木层物种多样性

英汉例句

• over stand age, biomass carbon density increased significantly for stand, arbor layer and litter layer, while decreased slightly for shrub layer and grass layer.

  随林龄增长，乔木层、枯落物层和林分的碳密度显着增加，灌木层和草本层的碳密度有所减少。

• the gcv and ash-free caloric value (afcv) decreased in the following order: lianas, tree layer 1, tree layer 2, shrub layer and herb layer. the afcv differed among various components.

  各层优势种平均干重热值和去灰分热值都表现为：层间藤本>乔木1层>乔木2层>灌木层>草本层。

• the structure of communities is complex which can be divided into tree layer(i, ii), shrub layer and herb layer.

  群落的结构层次可分为乔木（i、ii）层、灌木层和草本层；

• the abundance index in shrub layer was general park (5.1) >community park (5) > special park (3.9) >coiled park (3.7) > town park (3.6).

  灌木层的物种丰富度表现为综合性公园（5.1）>社区公园（5）>专类公园（3.9）>带状公园（3.7）>街旁绿地（3.6）。

• the community can be structurally divided into arborous layer, shrub layer and herbaceous layer.

  群落可分为乔木层、灌木层、草本层和层间层。

• all the tree species in shrub layer were contagious distribution.

  灌木层主要树种均呈集群分布。

• the fitted curve of both diversity and richness of herb layer with dcca axis 1 was more significant than that fitted with altitudinal gradient, while that of shrub layer showed the opposite trend.

  草本层物种多样性在dcca环境梯度上排序后的曲线拟合效果优于按海拔高程排序效果，而灌木层则相反。

• the shrub layer contributed greatly to species diversity of the whole community, therefore it should be given more concern in the restoration of secondary forests;

  植被恢复过程中乔木层物种多样性变异系数较大，而灌木层相对较小且对植被恢复物种多样性的贡献较大。

• forest regeneration is lack of shrub layer and ground cover plant, and the ecosystem is under a very unstable state.

  人工林中的物种多样性变化多样，明显低于天然林，林分层次单一，更新不良，缺乏灌木层和地被植物，生态系统很不稳定。

• the twinspan classification and dca ordination were employed for the quantitative analysis of the shrub layer and herbage layer under different stands.

  利用双向指示 种分析法（twinspan）和除趋势对应分析（dca）对昆崳山不同林分类型下的灌木层和草本层进行了数量 生态学分析。

• although the vertical structure of community can be divided into tree layer, shrub layer and low coverage herb layer, leucaena leucocephala dominated in tree layer and shrub layer.

  垂直结构单调，虽可分为乔木层、灌木层、草本层，但乔灌层均以新银合欢占优势，草本层盖度低。

• in shrub-tree stage , the species diversity in tree layer was lower than that of shrub layer .

  灌乔林过渡阶段群落乔木层物种多样性指数低，而灌木层多样性指数高。

• the vertical structure of community is relatively complicated which can be divided into tree layer, shrub layer and herb layer as well as a definite number of interstratum plants.

  群落垂直结构复杂，地上成层明显，可分为乔木层、灌木层和草本层，并有一定数量的层间植物。

• the species turn over of canopy layer and shrub layer had reversed properties at a same site.

  乔木层和灌木层在同一地点的物种替代速率具有互补性；

• in relatively stable stage of undergrowth plants, species and quantities increased, and chinese fir community formed stable 3-layer structure including chinese fir layer, shrub layer and herb layer.

  林下植物相对稳定阶段（近成熟林和成熟林阶段） ，种类组成和数量不断增加，群落呈现稳定的杉木层、灌木层和草本层的三层结构；

• the species richness and species diversity index of the tree layer and shrub layer were obviously bigger than those of the herb layer.

  乔木层和灌木层的物种丰富度和物种多样性指数均明显大于草本层。

• the mean ash content increased in an order from tree layer, shrub layer to herb layer, while those of gcv and afcv decreased.

  从乔木层、灌木层到草本层，灰分含量依次增加，gcv和afcv则依次降低。

• species diversity indices of shrub layer were higher than those in arbor layer and herb layer.

  群落的物种多样性高，各项物种多样性指数的大小关系：灌木层>草本层>乔木层。