diversity index

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.

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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。

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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。

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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.

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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.

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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。

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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.

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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。

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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.

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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.

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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；

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