查询词典 diversity

The community structure and species diversity of Toona ciliata var. pubescens natural forest were investigated. The results showed that there were abundant species diversity in T. ciliata var.

对毛红椿天然林群落结构和物种多样性进行调查分析，旨在为保护毛红椿天然林和推广人工造林提供理论依据。

Four primers screened from 17 primers were used to analyze genetic diversity between one population in the mine deposits and one in noncontaminated soil, the results showed that a higher level of DNA diversity was detected in the plants grown in the mine deposit. The results above indicated that Commelina communis grown in copper mine deposits had evolved adaptation under heavy metal stress, and such adaptation had a geneic basis.

从17条引物中筛选出4条对其中1个铜矿山种群和1个正常土壤种群进行种群内的遗传多样性研究，结果显示污染种群内基因遗传多样性水平高于未污染种群，上述结果说明了在铜胁迫下矿山鸭跖草种群已经进化了对铜污染的适应性，并且较高水平的遗传多样性可能是植物适应重金属污染胁迫环境的基础。

Gloydius which belong to Viperidae Crotalinae is a colony of advanced viper.Their live environments are diversiform: jokuls, altiplanos, hills and plains. Gloydius isa group has highly differentiation and in a phase of radialization evolution, even thedifferent colonies of same species have diversity in morphologic and gene level. Chinahas abundant Gloydius, but the genetic diversity and their distribution pattern are littleresearched.

亚洲蝮属隶属于蝰科、蝮亚科，是一类高等的毒蛇，其分布范围广泛且生境差异较大，从雪山、高原、丘陵至平原，是一个高度分化、适应多种环境条件的类群，且尚处于辐射进化阶段，甚至同一物种的不同地理种群已表现出明显的形态和基因水平的差异。

These results showed that thegenetic diversity of Schima superba and Cryptocarya chinensis distributed equally inthe subpopulations and the genetic diversity of Castanopsis chinensis distributedunequally in the subpopulations.

可见荷木和厚壳桂的遗传多样性是较均匀地分布在各个亚种群中，而锥栗的遗传多样性在各个亚种群中分布不均匀，每个亚种群都有自己独特的遗传多样性形式。

The quantity and diversity of culturable cellulose-decomposing fungi in these soils are significantly correlated with organic matter, total nitrogen and water content. In addition, the quantity of them are significantly correlated with temperature and altitude. Different plant community and human disturbance have effected on the quantities and diversity of CCDF.

结果发现中低海拔地区土壤CDF数量高于高海拔地区，且数量与样地海拔、土壤含水量、温度、有机质和全氮含量呈显著相关（P.05）；CDF在样地内多样性与土壤有机质、全氮、含水量显著相关（P.05）；植被类型和人为干扰对CDF的数量和分布都有一定影响。

The diversity index of soil dematiaceous hyphomycetes was the highest but the evenness was lower in town-oasis, whereas in desert and gobi the diversity index was obviously lower, and the species evenness was higher.

在小镇-绿洲生境中，土壤暗色丝孢菌的Shannon-Wiener多样性指数最高，均匀度较低；而在沙漠和戈壁生境中多样性指数明显较低，而物种的均匀度较高。

The analysis of diversity shows that some of the manuring treating will advance the soil bactrial community diversity index, evenness and richness which was high from the sample without manuring. Different manuring could increase the soil bactrial community parameter effectively but discrepantly.

多样性分析显示，部分施肥土壤的微生物群落多样性指数、均匀度指数和丰度均高于对照，处理间的各土壤微生物群落参数差异较大。

Based on the locality data processed by GIS, the diversity and distribution of Babblers in China were analyzed: we looked at geographical and elevational distribution, and centers of diversity of Babbers.

通过运用GIS技术处理物种分布数据，研究了中国画眉科鸟类的分布格局和多样性中心。

Finally, the research of Medicago falcata distribution strategy, inter-community diversity and its mechanism of variation was conducted through abundance index, diversity index, equality and inequality study in different communities.

最后，通过沿坡度梯度分布的不同群落类型的丰富度指数、物种多样性指数、均匀度和非均匀性的研究，探讨了内蒙古黄花苜蓿的分布规律、群落内物种多样性及其变化机制。

On the other side, the relations among community classification, structure, diversity and distribution pattern were also investigated through the study of species composition, diversity and interspecific relation of Medicago falcata in Inner Mongolia.

另一方面，本文又以松嫩平原天然草地中的五脉山黎豆、多茎野豌豆、花苜蓿以及内蒙古的黄花苜蓿为研究对象，从植物群落的物种组成、多样性、种间关联等几方面探讨了我国天然草地中豆科牧草的群落类型、结构、群落多样性与分布格局之间的关系。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。