英汉例句

• there were 22 plots whose herb layer total cover density less than 15 and 20 plots whose herb layer species less than 5.

  草本层的物种数低于5种的样方有20个，有22个样地的草本层总盖度低于15。

• it is show that the medium artificial interferences to be helpful for herb layer renewing, but unhelpful for shrub layer.

  说明人为中度干扰有利于草本层的更新，但是不利于灌木层的更新。

• the biomass of herb layer is reducing and the thickness of litter is increasing.

  草本层生物量在减少，枯落物的覆盖厚度在增大。

• the relationship between species integrated diversity and species diversity of herb layer is according with positive correlation.

  物种综合多样性与其草本层的物种多样性呈一定的正相关关系。

• the higher species richness indices and diversity indices of herb layer occurred at low altitude, the lower occurred at middle altitude.

  草本层物种丰富度指数和多样性指数的较高值多分布在低海拔群落，较小值多分布在中等海拔群落；

• the ratio between underground biomass and aboveground biomass of shrub and herb layer increases first, and then decreases with the rising of elevation.

  灌木层、草本层地下部分与地上部分的比值随海拔的升高均呈先增加后减少的趋势。

• herb layer coverage density was lower and the species fewer.

  草本层的盖度和物种数偏低。

• with the change of species diversity, the herb layer is the most sensitive layer along environmental gradient, followed by the shrub layer, and the tree layer is the least.

  植物群落各层物种多样性对环境梯度变化最敏感的是草本层，其次是灌木层，乔木层的敏感程度要小的多。

• the growth of the bush layer and herb layer would not be neglected when allocating pioneer plants.

  提出在配置先锋群落时，要兼顾灌木层和草被层的生长；

• then the coverage and density equations of shrub layer, herb layer and main twelve plants are found by method of stepwise regression.

  最后，建立了灌木层、草本层和十二种主要植物生长量与环境因子的数学模型。

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

  群落垂直结构复杂，可分为乔木层、灌木层、草本层，亦有一定数量的层间植物。

• 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。

• similarity of forest community species composition of herb layer did not change evidently.

  草本层物种组成的相似性随海拔上升无明显变化趋势。

• the trend of the species diversity index of the herb layer is downward with altitude.

  草本层的物种多样性指数随着海拔高度的升高呈下降趋势。

• compared to shrub layer, herb layer hadlower stability.

  草本层的稳定性低于灌木层。

• 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。