类群

第V类群对应嫩叶绿色。

The V group have green burgeon .

细菌是降解有机物和PAHs的主要微生物类群。

Bacterium was the main microbial group to degrade organic matter and PAHs .

在DNA水平上可将所分析的34个品种分成8个类群。

34 accessions were divided into eight groups at DNA level .

并利用GIS技术制作了各类群在中国的地理分布图，探讨了各类群的分布格局和特点。

Geographical distribution map of China of each group is done by GIS techniques and distributional pattern and character is discussed .

利用RAPD分子标记技术，对16个玉米自交系进行亲缘关系的类群划分。

Heterotic groups were classified by cluster analysis with RAPDs based on16 important maize inbreds .

土壤主要微生物生理类群数量的减少削弱了土壤中C、N等营养元素的循环速率和能量流动。

And in turn the decrease in major soil physiological groups weakened the circulation rate and energy flow of nutrition elements such as nitrogen and carbon .

已有的工作显示，Lagrange乘子在不同生物类群中系统性地改变。

Previous work has showed that the Lagrange multipliers changed systematically from species to species .

转Bt基因棉田害虫和天敌组成及优势类群时序动态

Composition of Pests and Natural Enemies and Dynamics of Dominant Groups in Transgenic Bt Cotton Fields

灰色关联分析结果显示，土壤有机质含量和土壤pH值分别与生境中土壤动物的个体数和类群数的关联度较大。

Grey correlation analysis revealed that soil organic matter and soil pH are significant factors which respectively affected soil fauna individual number and group number .

转Bt水稻与常规水稻根际土壤细菌类群的比较研究

Study of the effect of transgenic Bt rice on the composition of bacterial populations in the rhizosphere soil

SRY基因在部分动物类群系统进化中保守性研究

Studies on the Phylogenetic Conservation of SRY Gene in Some Animals

土壤动物群落具有显著的垂直分异特征，土壤I层土壤动物个体数量、类群丰度和多样性显著高于II和III层。

For the vertical distribution , soil fauna individuals , group abundance and diversity were significantly higher in layer I than in layer II and III.

UPGMA聚类将20个种群分为4大类群。

20 populations were divided into four major groups by UPGMA clustering .

同时，各个样地还具有特异的AOB类群。

Also , each site had its own specific AOB populations .

基于AFLP标记聚类分析表明，50个菌株被划分为3个类群（AFLPGroups，AGs）。

When all of polymorphic bands were analyzed by clustering , 50 isolates were classified into 3 groups ( AFLP groups , abbreviated AGs ) .

利用mtDNA多态性来探讨昆虫类群、系统发育关系是当前昆虫系统学研究的热点。

Make use of mtDNA polymorphism to probe into insect group , phylogenetic relationships is the focus of systematics of insects at present .

内蒙古禾本科Gramineae植物新记录类群及学名订正

The New Distribution Taxa of and the Revision of Scientific Names of the Plants of Gramineae in Inner Mongolia

该区生物数量较高（生物量为80.88g／m2，栖息密度为655个／m2），以软体动物为主要类群；

Both biomass and individual density are relatively high , with an annual average of 80 . 88 g / m2 and 655 d / m2 , and dominated by mollusc .

利用SSR标记可以进行爆裂玉米自交系遗传多样性研究和类群划分。

Therefore , SSRs might be a valuable complementary tool to traditional field trails for identifying heterotic groups and can be used to study the genetic diversity of popcorn inbred lines .

本文采用Shannon-Wiener生态位宽度指数将南北坡群落的建群种群分别划分为3个生态类群。

Adopting Shannon-Wiener , the niche breadth index , the article classified constructive species on both slopes into 3 ecologic groups respectively .

雀稗属（Paspalum）为禾本科黍亚科多年生或一年生植物，是黍亚科内最有经济价值的类群之一。

Genus Paspalum , a perennial or annual grass of Gramineae , is one of the with great economic value groups .

鼠尾藻附植动物的年平均丰度为606inds./gdwtalgae，优势类群为线虫和桡足类，其次是腹足类和多毛类。

The annual average abundance of the phytal fauna is 606 inds . / g dwt algae on Sargassum thunbergii . Nematodes and copepods are the most dominant , followed by gastropods and polychaetes .

鳞毛蕨属Dryopteris为多系类群，耳蕨属Polystichum和贯众属Cyrtomium均为并系类群。

Cyrtomium and Polystichum are both resolved as paraphyletic , and Dryopteris polyphyletic ;

系统介绍了RAPD技术在畜禽品种（系）和类群的鉴定、群体的遗传分化、基因定位、遗传图谱的构建和标记辅助选择等方面的应用，并对其应用前景进行了展望

The paper systematically introduces RAPD and its application to the identification of animal 's breed and population , genetic differentiation , gene location , construction of genetic fingerprint and selection The paper also prospects for its application

DF群落根际和非根际土壤中3大类微生物及生理类群数量分布发生的变化，指示了土壤性质恶化的动态变化。

The amount variation of the three types of microorganism and its main microbial physiological groups in rhizosphere soil and non rhizosphere soil in DF communities indicates the dynamic process of soil degradation .

遗传相似系数介于0.5691-0.9106之间，平均为0.7396；UPGMA法将60份种质分成2个类群。

The genetic similarity coefficient was between 0.5691-0.9106 , and the average was 0.7396 ; The sixty germplasm were divided into two groups using UPGMA method .

应用经典分类鉴定方法对NW放线菌菌株进行了鉴定，初步认为该菌与链霉菌属白孢类群的微白链霉菌（Streptomycesalbidus）类似。

By the classical classified method , the NW strain was primarily identified as Albosporus group of Streptomyces , which is similar to Streptomyces albidus .

PCA排序图能够定量直观地反映出样点、杂草在6种重金属元素组成上的相似性，也反映出元素组成差异所形成的杂草生态类群与局部区域土壤元素差异的对应性。

PCA ordination plot could directly reveal the similarities of the element contents in sites and weeds , and also reveal the correspondence of the ecological groups of weeds in relation to the concentration of elements in sites .

第Ⅰ2亚类群由我国十五期间新育成的3个品种（国家区试R5、R6、R8）组成，与国外品种有较近的血缘关系。

The I_2 inferior group includes Chinese Region Trial varieties ( R5 , R6 , R8 ), which have closer relationships with varieties overseas .

对土壤微生物区系研究表明：CF群落的土壤微生物总数、细菌数量以及主要几种微生物生理类群的数量均明显高于DF群落。

The results of soil micro flora showed that the total of soil microorganisms and the quantity of bacteria and several main microbial physiological groups in CF communities were obviously greater than those in DF communities .