多样性指数

p多样性指数变化表明保护区之间生物多样性信息的丢失问题。

Beta diversity index revealed that the loss of biodiversity information problem among those areas .

本文通过比较短时期的单季不施N肥区和常规施肥区中土壤中微生物的数量和群落水平的功能多样性指数来研究单季不施N肥对土壤质量的影响。

This paper compares this practice with the traditional one in soil microbe population and functional diversity index of the microbe at the community level .

Excel在计算群落生物多样性指数中的应用

On Application of Excel in Calculating the Biodiversity Index of Communities

调查区内浮游植物群落物种丰富度指数（D）平均值为0.84；香农-威纳多样性指数（H′）平均值为2.30；

The average species richness ( D ) in survey area is 0.84 , the average Shannon-wiener diversity index ( H ' ) is 2.30 ;

植物根际细菌和AMF多样性指数呈极显著正相关（p0.01）。

Rhizosphere bacteria and AMF community diversity index were positively correlated ( p0.05 ) .

草本植物的Shannon-Wiener多样性指数与群落郁闭度显著负相关，与土壤pH显著正相关。

There was a significantly positive correlation between Shannon-Wiener species diversity index of herb and soil pH.4 .

多态性信息指数PIC值为0～0.91，平均值（多样性指数）为0.79。

The range of polymorphism information index were 0 to 0.91 . with an average of 0.79 .

果洛州2002年生态足迹多样性指数和发展能力低，而GDP生态足迹较高，反映该区域生态系统结构单一，稳定性差，资源利用效率低。

The ecological footprint diversity and development capacity is lower and GDP ecological footprint is higher , which reflect the ecosystem stability and resource utilization efficiency are lower .

而种植年限为7年的土壤微生物群落DNA序列多样性指数及修正丰富度指数均呈现最低值，均匀度指数也非常低，可能是土壤生态环境最差的土壤；

Diversity index and modified richness index of soil cropping for seven years was lower , which may be the most bad soil sample , was lowest , and evenness index was lower too .

分别计算了青岛近海春、秋季渔业生物群落的种类丰度指数（R）、多样性指数（H′）和均匀度（J′）。

The species richness R , Shannon diversity index H ′ and evenness index J ′ were calculated for the community of fishery resources in spring and autumn , respectively .

随着沙漠化的进展，群落盖度、密度、物种丰富度、生物量和相邻两个梯度间p多样性指数均呈下降趋势，地上生物量／地下生物量比值变化不大。

With the process of the sandy desertification , the coverage , density , number of species , biomass and diversity index of community decreased . The ratio of biomass aboveground - biomass underground did not changed significantly .

测定的指标有群落物种丰富度，群落Simpson多样性指数和群落均匀度。

The determined indexes include the Simpson diversity indices and the speices richness and evenness of the communities .

对防护林草本层物种多样性指数与土壤肥力因子的关系研究表明：影响草本层物种多样性的主要因子是土壤PH值，其次是土壤全磷含量。

Study on the relationship between soil fertility properties and species diversity in grass layer showed that the main factor affecting species diversity was soil PH , then was the soil total phosphorus .

植被的平均高度、盖度、地上生物量和生物多样性指数与土壤养分成正相关关系（p0.05），与土壤容重成负相关关系。

All the plant average height , coverage aboveground biomass and biodiversity has positive correlative relationship with soil nutrient and negative correlative relationship with soil bulk density ( p0.05 ) .

应用群落多样性指数（D）、均匀度（J）、生态优势度（C）等指标，对腾格里沙漠东南边缘不同生境的天然植物群落进行了调查。

Plant communities at different habitats in the southeastern Tenggeli Desert were studied by means of diversity index ( D ), the community evenness formula ( J ) and ecological dominance ( C ) .

结果表明，群体间交配子代的Shannon多样性指数分别高于群体内交配所得子代的指数。

The results showed that the diversity Shannon index of filial population mated from inter-populations was higher than filial populations mated from inner-populations .

同时，在研究区300m的海拔高程范围内，其多样性指数呈现出随海拔高度增加而递减的变化趋势。

Moreover , the biodiversity index decreases with the increase of elevation in the study area of 300 m in altitude .

与分类差异指数不同，Shannon-Wiener多样性指数在群落Ⅰ最高，群落Ⅲ最低。

Different from Taxonomic Distinctness , Shannon-Wiener is highest in community I , lowest in community ⅱ .

这和分别应用营养状态指数（TSI）和生物多样性指数（DI）进行评价的结果相似，表明运用Exergy、结构exergy和生态缓冲容量指标对湖泊生态系统健康状况进行评价的方法是可行的。

Therefore it is feasible to use exergy , structural exergy and ecological buffer capacity to evaluate the health state of lake ecosystem .

群体的香农（Shannon）多样性指数为0.3817～0.4716，群体间的遗传距离在0.1742～0.4023之间。

Shannon information index ( I ) ranged from 0.3817 to 0.4716 . The genetic distance among the three populations was 0.1742 to 0.4023 .

植物多样性指数中的物种数、Simpson指数、均匀度指数均与Shannon-Wiener指数的相关性最为密切。

Plant species diversity index of the richness , Simpson index , evenness index most closely related with Shannon-Wiener index .

春季、夏季和冬季多样性指数（H′）等值线分布全面反映了东海海流走向和水团的变化，是分析东海水团的良好指标。

The isoline distribution of H ′ value reflected the direction of currents and changes in water masses in the East China Sea , the H ′ isoline was a good indicator for analyzing the East Sea cold masses .

ABC方法所得出的结论基本与多样性指数相一致，即青岛湾潮间带沉积环境呈现出由高潮带向低潮带逐渐转好的趋势。

The conclusion drawn by ABC curve is consistent with the result from diversity index . The environment of Qingdao Bay intertidal zone gradually improved from high intertidal zone to low .

结果表明：物种数和Shannon-Wiener多样性指数随扩展林隙面积增大而增大；

The results showed that the species numbers and Shannon-Wiener diversity indexes increased with the expansion of gap area .

蛋白质性状的多样性指数（H′）为144～233，其中蛋白质含量性状（GMP含量、蛋白质含量、干和湿面筋含量）的H′均大于2；

Diversity indexes ( H ′) were 1 44 ~ 2 33 for protein quality traits , and were more than 2 for GMP content , protein content , dry gluten content and wet gluten content .

同一层次的物种多样性指数D和H′虽然数值不同，但在不同阶段狼牙刺群落有基本一致的趋势，灌木层物种多样性指数基本上随恢复时间的增加而增加；

D and H ′ of species diversity indexes of identical layer are different , but it has basically the same tendency in different growth stages of Sophora davidii community . Species diversity indexes of shrub layer increase with increasing time .

宜春2004年生态盈余1.32ha/cap，生物多样性指数0.88，发展能力指数1.26，万元GDP生态足迹2.61ha；

In 2004 , for Yichun , ecological surplus is 13.2 ha / cap , ecological diversity index is 0.88 and development capacity index is 1.26 , ecological footprint of 10 ~ 4 yuan GDP is 2.61 ha ;

分析不同SSR等位变异保留比例的遗传多样性指数发现，当保留90%和80%的SSR等位变异时，核心种质具有更高的遗传多样性。

When SSR allelic reserving ratios were maintained at 90 % and 80 % , the core collections had higher genetic diversity indices of SSR alleles than if maintained at 70 % .

Shannon-Wiener物种多样性指数（H'）呈现从2001年到2005年总体下降的趋势，单纯度（C）上升，工程对底栖环境的干扰导致底上动物的栖息地破碎化，群落结构稳定性下降。

Shannon-Wiener index slightly declined from 2001 to 2005 ( no survey in 2002 ) . The disturbance of the Yangshan engineering made the benthos habitat fragmentate and the stabilization of benthos community structure descended .

多样性指数D的取值范围是0.662～0.850，均匀度Jsi为0.670～0.956。

Species diversity index D ranges from 0.662 to 0.850 ;