查询词典 species diversity

To establish effective methods for selective isolation of acidophilic filamentous actinomycetes from acidic soils, and to investigate their genus and species diversity.

针对酸性土壤中的嗜酸丝状放线菌，建立有效的选择性分离方法，并了解其多样性。

The species diversity of stratum layer, shrub layer and forest community was each higher but that of herbage layer and bine layer each lower than that in control.

乔木层和灌木层的植物种多样性较大，群落植物种多样性较高，但草本层和藤本层的多样性比纯林低。

Species diversity is an important part of biodiversity.

物种多样性是生物多样性研究的一个重要层次。

3In the grassland habitat, the relevance of bird species diversity with the grass height and the covering degree of grass were highly remarkable, respectively. The relevance of bird density with the grass height and the covering degree of grass were not highly remarkable, respectively.

3在草地生境中，鸟类多样性与草的高度和盖度相关性显著，鸟的密度与草的高度和盖度相关性不显著。

One thing, this protection ensures the species diversity, connects the whole biological chain to operate in gear and accordingly maintains the whole nature on balance.

首先，他保护了物种的多样性，保全了整个生物链，从而使得整个自然界处于一种平衡状态；其次，原始森林大量的树木对于环境的净化和资源再生都能起到很大的作用，这样的地方当然要保持它们的原始形态。

This is the most complete demonstration so far of speciation through sensory drive without geographical isolation. Our results also provide a mechanistic explanation for the collapse of cichlid fish species diversity during the anthropogenic eutrophication of Lake Victoria.

除了为证明物种形成可以通过感官驱动发生而不需要地理隔离提供明确证据外，这项工作还为在由人为原因造成的维多利亚湖富营养化期间慈鲷鱼物种多样性的崩溃提供了一个机制性的解释。

Both diatom and dinoflagellate had low species diversity and was dominated by one.

硅藻和甲藻两个生态类群的物种多样性较低，各自都存在一个优势种。

Subalpine coniferous forest ; Restoration ; Species diversity ; Soil factor

亚高山针叶林；恢复；物种多样性；土壤因子

The effects of species diversity on ecosystem functioning is one of the most important problems in ecosystem research.

物种多样性对生态系统功能的影响是生态学领域所研究的核心科学问题之一。

By the methods of time-space series analysis and field monitoring,this paper studied the species diversity and its maintaining mechanism in Dongmen Eucalypt plantations of Guangxi.

采用时空序列和定位监测相结合的方法，对广西国有东门林场桉树人工林的物种多样性及其维持机制进行了研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。