tree layer是什么意思

网络释义

用法例句

Species diversity in the tree layer of two mixed forests of coniferous and broadleaf;

2种针阔混交林群落乔木层的物种多样性

Analyses of structures and dynamics of tree layer in different artificial mixed forests of Cunninghamia lanceolata;

不同类型杉木人工混交林乔木层结构及动态分析

Linear compatible models of tree layer biomass of Pinus tabulaeformis plantations in Xiaolong Mountains;

小陇山油松林乔木层生物量相容性线性模型

In order to provide exact and credible data for evaluating carbon sink of tree stratum in forests in China,the forest resources second-class inventory materials and volume-biomass method are used to research the carbon storage and density of tree stratum in forest in Jiangxi.

为更好地评估我国森林植被乔木层碳汇功能提供更准确和可靠的基础数据。

Of the nutrient standing stocks in the aboveground components,78% to 97% were contained in the tree layer.

在地上部分则78%～97%集中在乔木层。

There was no significant difference of diversity index between the tree layer and the shrub layer.

乔木层与灌木层之间多样性各项指标总体无显著差别。

Research on species diversity characteristics of the arbor layer in Sassafras tzumu community

闽北檫树群落乔木层物种多样性特征研究

Study on the Distribution Pattern of Arboreal Species Abundance of Mountainous Rain Forest in Dawei Mountains,Yunnan,China

大围山山地雨林乔木层物种多度分布格局研究

Carbon and nitrogen storages and allocation in tree layers of Fraxinus mandshurica and Larix gmelinii plantations

水曲柳和落叶松人工林乔木层碳、氮储量及分配

Carbon Density of Arbor Layer in Pinus tabulaeformis Community in Huoditang Forest Region of Qinling Mountains

秦岭火地塘林区油松群落乔木层的碳密度

Interspecific Association of Main Tree Populations of Oak Natural Secondary Forest in Baotianman

宝天曼栎类天然次生林乔木层种间联结性研究

The complicated vertical structure could 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,可分为乔木层、木层和草本层,并有一定数量的层间植物。

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 species richness and diversity index of the tree layer and the shrub layer was obviously higher than that of the herb layer, and their evenness had evident difference.

乔木层、木层的物种丰富度、种多样性指数均大于草本层,且差异极显著,群落均匀度差异显著。

With the succession, the species diversity of the tree layer increased gradually.

随着青冈群落演替进行，乔木层物种多样性逐渐增大。

Studies on the Species Diversity of Tree Layer in the Habitat of Black Crested Gibbons (Nomascus Concolor), Mt. Wuliang, Central Yunnan, China;

滇中无量山黑长臂猿栖息地乔木层物种多样性研究

Characteristics of Arboreous Species Diversity among Different Forest Community Types in Kanas Tourism District,Xinjiang

新疆喀纳斯旅游区森林群落乔木层物种多样性特征

The Study on the Tree Layer of Quercus liaotungensis Community in MT. Huoshan of Shanxi Province--interspecific relationship and population age structure

山西霍山辽东栎群落乔木层研究——种间关系及年龄结构

Evaluation of Carbon-sink Function and Its Economic Value of Tree Stratum in the Main Conifer Forests Types in Hunan

湖南主要针叶林类型乔木层碳汇功能及其经济价值估算

Role of Typical Arbor Layer in Neutralizing Acid Rain in Northern Taihu District

太湖北部典型乔木冠层对酸性降雨的中和作用

Arbor and shrub layer comprised 94.8% and 1.2% of the biomass, herb and litter layer comprised 0.7% and 3.3% of the value,respec- tively.

乔木、灌木、草本和死地被物层分别各占94.8％,1.2％,0.7％和3.3％。

A tree, as opposed to a shrub.

乔木与灌木相对的树