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相似性系数
    population genetic structure parameters: polymorphic fragment ratio (P), average heterozygosity of population (H), genetic diversity in population (H0), genetic similarity index (I) and genetic distance (D). .
    群体遗传学参数:多态片断比例(P),群体平均杂合度(H)和群体内遗传多样性指数(H0),遗传相似性系数(I)和遗传距离(D)。
    Parameters of population genetic structure were analyzed based on RAPD fingerprint, these parameters including: polymorphic fragment ratio (P), average heterozygosity of population (H), genetic diversity in population (H0), genetic similarity index (I) and genetic distance (D).
    分析的参数包括:多态片断比例(P),群体平均杂合度(H)和群体内遗传多样性指数(H0),遗传相似性系数(I)和遗传距离(D)。
    The intra-population genetic similarity index of Qiupu river Mandarinfishes,Changjiang Mandarinfishes and Wanfuhu Mandarinfishes were 0.9063,0.8839,0.8931;
    1.秋浦河鳜鱼、长江鳜鱼、万佛湖鳜鱼群体内的遗传相似性系数分别为:0.9063、0.8839、0.8931;
    and the inter-population similarity index were 0.8590,0.8178,0.7956,respectively.
    群体间的遗传相似性系数分别为:秋浦河鳜鱼和长江鳜鱼0.8590、秋浦河鳜鱼和万佛湖鳜鱼0.7956、长江鳜鱼与万佛湖鳜鱼0.8178。
    The genetic similarity index in the gynogenetic grass carp population A and B were 0.9091 and 0.8699 respectively.
    雌核发育草鱼A、B两群体内的相似性系数分别为0.9091、0.8699。
    5.According to the clustering analysis of RAPD results, it proved that the genetic similarity index was 0.17—0.97. According to the clustering analysis of RAPD results, it proved that the genetic similarity index was 0.21—0.95.From the result, genetic diversity and similarity and genetic relationships were revealed.
    5.依据RAPD分析结果,对供试的39个茶树品种进行聚类分析,结果表明:它们之间的遗传相似系数在0.17—0.97之间; 依据ISSR分析结果它们之间的遗传相似性系数在0.21—0.95之间。
    The species diversity index within community changed from 0.291 to 2.889, the superiority index from 0.155 to 0.914 and the evenness index from 0.113 to 0.970. The similarity index between communities was the highest between station 2 and station 3 (mean 0.649) and the lowest appeared between station 1 and station 4 (0.245).
    优势度指数(C1) 0 .15 5~ 0 .914 ,均匀度指数 (J′) 0 .113~ 0 .970。 群落间相似性系数 (CS) 2~ 3站最高 (平均 0 .649) ,1~4站最低 (平均 0 .2 4 5 )。
    The genetic similarity index ( I ) and genetic distance ( D nei ) between two wild geographic populations are 0.99998 and 0.00002, respectively.
    2个地理种群 (YP和KP)的遗传相似性系数 (I)和遗传距离 (Dnei)分别为 0 .99998和 0 .0 0 0 0 2
    (2) Sorenson's similarity index(Cs) indicated that the similarity between every community and its nearest abandoned time was the highest.
    (2)相似性系数Sorenson指数(Cs)的测度表明,每一群落类型总是与退耕年限最邻近的群落具有最高的相似度。
    The similar result was obtained through the caculation of shared genera and generic similarity index between these 11 floras.
    通过对11个地区间的共有属及其相似性系数的统计,并以植物区系谱为依据,利用主成分分析(PCA)法,对这些地区之间的相似性进行了定量分析,结果显示滦河上游与小五台山在区系组成上相似性最高,而与甘肃敦煌自然保护区的相似性最低。
    The experiment was carried out in the scale of family range in typical steppe of Inner Mongolia, which was aimed at the correspondence of the community and main population towards the two grazing systems. The results showed as follow: (1)Different grazing systems led to the decrease of similarity index;
    本试验在内蒙古典型草原地区家庭牧场尺度上,针对植物群落及主要种群对两种放牧制度的响应做了比较研究,结果表明:(1)不同放牧制度导致群落相似性系数降低;
    The dendrogram obtained by the method of cluster analysis is used to ana-lyze the similarity coefficients of those ten communities and it accords with the process of commu-nity succession. This shows there is a greater similarity index in the successive stage.
    对群落相似性系数进行聚类分析得到的聚类图与群落演替过程基本吻合,表明相衔接的演替阶段的群落相似性程度较高。
    The dendrogram obtained by the method of cluster analysis is used to analyze the similarity coefficients of those eight communities and it accords with the process of community succession. This shows there is a greater similarity index between the successive adjoining stages.
    对群落相似性系数进行聚类分析得到的聚类图与群落演替过程基本吻合,表明相衔接的演替阶段的群落相似性程度较高
    Bray-Curtis community similarity index is used to deal with the community similarity and cluster analysis. The result shows that Chitons community in rocky intertidal zone of the islands in south Zhejiang can be clustered into two types.
    用Bray Curtis群落相似性系数聚类分析 ,浙南岛屿潮间带石鳖群落可聚为两大类型。
    The result of cluster analysis showed that the population of Nankunshan of Guangdong province had the highest genetic diversity (3.074), the second was Jingxi of Guangxi province(2.389), the least was Duheng of Guangdong province (2 195). The similarity index between Nankunshan and Duheng in Guangdong province was the highest (0.832), that of Jingxi and Duheng was 0 772, and the similarty index between Jingxi and Nankunshan was 0 768.
    聚类分析结果表明 ,样品可分为 3个居群 ; 广东境内的 2个居群间相似性较高 ,相似性系数达 0 .832 ,广西与广东都亨和南昆山 2个居群间的相似性较低 ,相似性系数分别为 0 .772和 0 .76 8.南昆山居群内的基因多样性最高 ,广东始兴都亨居群的基因多样性最低 ,广西居群居中
    The beta diversity between before treatments and after treatments was also measured by applying β diversity index and similarity index.
    采用 β多样性指数和相似性系数测定该区灌丛群落在处理后的群落间多样性的变化 .
    The diversity index of Community Ⅲ is the highest,reaching 2.0557. The similarity index between Community Ⅰ and Community Ⅳ is the highest, amounting to 0.5147. Community Ⅲ is a representative type of all.
    其中群落Ⅲ多样性指数最高,为2.0557; 群落I与群落IV的相似性系数最大,为0.5147;
    The species similarity index among different reserves shows high,most of which is above 0.6,but formation similarity index is low,most of which is below 0.5.These indicate differences exist in formation types among different reserves. The outcome of cluster analysis is basically identical with that of similarity index analysis.
    不同保护区之间的物种相似系数很高,大部分在0.6以上,群系类型的相似系数较低,大部分在0.5以下,说明不同保护区之间的群系类型存在一些差异,聚类分析结果基本与相似性系数分析的结果一致。
    The genetic similarity index among individuals was 0.781 3 on average,ranging from 0.666 7~0.876 4.Genetic distance is 0.218 7 on average.
    其中多态性片段42条,多态性片段比例为65.63%,个体间相似性系数0.6667~0.8764,平均为0.7813,个体间平均遗传差异为0.2187。
    After readjustment othe design, the integrity of landscape vegetation in the core zone is maintained. Compared the two designsthe similarity index of vegetation landscape ranked as core zone > transition zone > buffer zone.
    2001年调整后的功能区规划保证了核心区植被景观的完整性,与原功能区规划相比,各功能区植被景观相似性系数为:核心区>过渡区>缓冲区。
 

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