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- Shannon diversity index Shannon指数
- It can be concluded that primer S431 gained the most genetic information and well polymorphic bands among these three primers from the view of BSR, q, and H, as well as Shannon genetic diversity index H0, but primer S40 got the opposite. 从BSR、q、H和Shannon遗传多样性指数上来看，在3条多态性引物中S431反映的遗传变异信息最大，产物的带纹最多，多态性较好； S40反映的遗传变异信息最小。
- A species diversity index(SDI), which is difined in Eq. (1-2). 种类多样指数（SDI）可由式（1－2）求得。
- The bird diversity index is 1.2399 and evenness index was 0.7271. 该区人工林中鸟类的多样性指数为1.;239 9。 均匀性指数为0
- The Nei's genetic diversity index (He) is 0.1862 for RAPD, 0.1527 for ISSR and 0.2595 for AFLP respectively. Nei’s基因多样性指数(He)为:RAPD:0.;1862;ISSR:0
- There was no significant difference of diversity index between the tree layer and the shrub layer. 乔木层与灌木层之间多样性各项指标总体无显著差别。
- Therefore, the decrease of microbial diversity index with age was one reason why the quality of H. lupulus decreased. 随啤酒花植龄的延长，土壤微生物数量的变化，特别是微生物多样性指数的减少，可能是啤酒花品质下降的原因之一。
- The species diversity index of second generation stand was small higher than the first . 二代林分乔木层物种多样性指数、均匀度比一代林分略大；
- The index dissatisfying with average rarity is named as marginal diversity index. 将不满足平均稀有度的指数称为边际多样性指数。
- The variational trend of diversity index is county center> south >northeast> northwest. 多样性的变化趋势是中部>南部>东北部>西北部。
- The diversity index of zooplankton increased with the increase of macrophyte biomass. 随着湖泊水草生物量的增加，浮游动物的多样性指数也随之而增加。
- The diversity index and species richness index of original vegetation in Karst area are lower than in nonkarst area. 石灰岩地区原生植被生物多样性和物种丰富度指数较砂页岩地区的原生植被低。
- Number of species and individuals, species diversity index and evenness, and proportion of wader birds decreased from bay-mouth to bay-head, and was lowest in midbay. 其中湾口的水鸟物种数、个体数量、多样性指数、均匀度指数以及涉禽所占比例均为最高，湾底次之，湾中部最低。
- The dominance index is often contrary to the diversity index, index of diversification and evenness index in change rules. 优势度指数常常与多样性指数、多样化指数、均匀度指数的变化规律相反。
- The species diversity index of the tree layer was a bit low, and the general trend was shrub layer > treelayer > herb layer. 乔木层物种多样性指数偏低,垂直结构各层次间物种多样性大小依次为灌木层>乔木层>草本层。
- Divers persons were present, of all stations in life. 不同身份的、形形色色的人都出席了。
- The size of the diversity index reflects the number of landscape factors and change of proportion of various landscape factors. 多样性指数的大小反映景观要素的多少和各景观要素所占比例的变化。
- The results indicate that protozoan community parameters (species, numbers and diversity index) are strongly related to the water quality. 结果表明：原生动物的各项结构参数（种类、丰度和多样性指数）与水质状况关系密切；
- The community has an outstanding dominant species and the arborous layer possesses a comparatively high diversity index. 群落的优势种显著，乔木层的物种多样性指数较高，各样地间的植物种类具有一定的相似性。
- The results show that Jinggang Mountion had high species diversity index, which did not alter too much between investigated plots. 结果表明:栲属群落物种多样性指数较高,各样地间多样性指数测值变幅不大;
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
