diversity index的例句大全

Along with altitude increasing, predominant index generally increases, but species diversity index and evenness index decrease.

随海拔升高, 优势度指数普遍递增, 物种多样性指数和均匀度指数递减.

Both the species richness index and diversity index of the community were low.

群落物种丰富度和多样性指数低.

The change of diversity index of patches was not obvious.

各种斑块的多样性指数变化不明显.

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.

Theres is tile lowest diversity index in the climax Desert-glasslands-Crested Larkcommunity.

顶极群落荒漠草原—凤头百灵群落多样性指数最低.

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.

The structure of grasshopper community in different environment in Luo River region was compared using species-abundance model, diversity index, similarity analysis, principal component analysis and stepwise regression.

应用种-多度分布模型、多样性指数、相似性分析、主成分（PCA）分析及多元逐步回归等方法比较了洛河流域不同生境的蝗虫群落结构。

When compared with DEC, the bacterial richness index, diversity index and stability index of NAFEC were decreased; however, DEC had the equivalent bacterial evenness index with AFEC and NAFEC. 2.

与DEC相比，NAFEC细菌丰度指数、多样性指数和稳定性指数均减少，而DEC、AFEC和NAFEC细菌均度指数则相当。

Phytoplankton Shannon Wiener diversity index varied between 0 97 and 2 75, with the maximum found in August.

多样性指数是：A>B>C；浮游植物香农-威纳多样性指数为0.97～2.75。

The Shannon Wiener diversity index in mature phase was the largest, and it got higher with the increase of growth stage.

成熟期原生林Shannon Wiener多样性指数最高，呈现出随生长年代的增加而增大的趋势。

The results showed that parameters Index of Diversity(ⅰ), Variance of Phenotypic Frequency ( VPF), Variance of Phenotypic Value ( VPV) and Coefficient of Variation ( CV) are more effective on evaluating different methods for core collection selection among 8 studied parameters.

结果表明，在所选8个参数中，多样性指数、表型方差、表型频率方差及变异系数为对比不同核心种质取样方法间优劣的有效参数；

Pattern indexes such as AI, CONTAG, SHDI, and SHEI and so on have good correlations with aridity index. Climate in upper and middle reaches is relative humid, degrees of fragmentation; diversity and evenness here are much higher than lower reaches.

流域格局指数AI、CONTAG、SHDI、SHEI等与干燥度指数有很好的相关性；中上游地区气候相对湿润，景观破碎化程度较高，多样性、均匀度明显高于下游。

Both the richness and diversity index of soil bacteria tend to change with soil development obviously.

土壤细菌丰富度，多样性指数均随土壤发育呈现明显的时间趋势。

However, the logistics activity and the diversity and complexity of the main body of the management of many, decide the logistics customer service performance evaluation index of multidimensionality.

然而，物流活动的多样性、复杂性以及经营管理主体的多方性，决定了物流客户服务绩效评价指标的多维性。

Spatial diversity index was cited to describe the wild life habitat pattern quantitatively. And the habitat pattern change of wild animals and red-crowned cranes ( Grus japonensis), as indicator species, between 1988 and 1998 was analyzed.

引用空间多样性指数（S d）对本区野生动物生境格局和指示物种丹顶鹤的生境格局进行了定量描述，并分析了其十年间的生境格局变化。

In addition, the diversity index of winter bird in the region was 2 000 8 and evenness index 0 531 9.

南洞庭湖冬季鸟类的多样性指数为20008，均匀性指数为05319。

The seasonal ecological features of phytoplankton community including its species composition, population size, dominant species, saprobic indicator, diversity index and diatom biotic index were preliminarily studied at 22 sampling stations in the Chaohu Lake, Anhui Province.

对巢湖浮游植物在22个样点，四季采样，进行了种类组成、种群数量、优势种、污染指示种，多样性指数及硅藻指数等群落生态学的初步研究。

The data which have been collected for the last three years are used for biological evaluation of the river itself, and to calculate Trent biotic index, Chandler score system and Shannon diversity index.

根据三年来所收集到的资料，计算了Trent生物指数，Chandler记分制以及Shannon多样性指数，并对图们江的污染状况作出生物学评价，上游地段属于清洁水到中污染；

Number of individuals and species, diversity indices, Shannon Wiener diversity index, biomass and soil fertility of the main plant community types in Xiyang River Bend region were analysed.

分析了西阳湾地区主要植物群落类型的种类组成、空间结构、物种多样性、生物量及土壤特性。

The richness, abundance index correction, diversity index and evenness index of the microbial community DNA sequence of Sichuan bacon and Sichuan sausage were changed with storage time.

4四川腊肉和香肠微生物群落DNA序列的丰富度指数、修正丰富度指数、多样性指数及均匀度指数随着加工贮藏时间的变化而变化。