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1.Fuzzy clustering analysis was made of the insect communities in cotton fields of Sichuan province with community diversity indices,evenness indices,abundance degree and total number of species.
利用群落多样性指数、均匀性指数、丰富度及物种个体总数等指标,对四川棉田昆虫群落进行了模糊聚类分析。收藏指正
2.This study applied the survey of communities, and the biological dating methods, the richness indices, diversity indices, evenness indices and DCCA, multi-factors liner regression, correlation analysis to analyze the relationships of community types, environmental variables and community structure in the process of vegetation restoration of Antaibao Mine,China.
通过群落调查和实验分析,采用丰富度指数、物种多样性指数和均匀度指数,结合DCCA排序、多元线性回归和相关分析,研究了平朔安太堡矿区复垦地植被恢复过程中多样性的变化。收藏指正
3.We selected Antaibao(ATB) mine in Pingshuo as study area, applying various methods of quantitative ecology, to analyze the relationship between plant community and environment Firstly, by using the richness indices, diversity indices, evenness indices and DCCA, multi-factors liner regression, correlation analysis, we study the relationships of community types, environmental variables and community structure.
本文以安太堡矿区为研究对象，运用不同的数量分析方法对植物群落与环境之间的关系进行了全面系统的分析。 首先，通过丰富度指数、物种多样性指数和均匀度指数，结合DCCA排序、多元线性回归和相关分析，研究了群落类型、群落结构与环境因子之间的关系。收藏指正
4.By using richness, diversity and evenness indices, and combining with TWINSPAN, DCCA and correlation analysis techniques, plant species diversity and diversification mechanism were studied. The plant communities were classified into eight types by TWINSPAN.
通过丰富度指数、物种多样性指数和均匀度指数,结合TWINSPAN、DCCA排序及相关分析,研究了物种多样性及其变化机制,把植物群落分为8个群落类型;收藏指正
5.By using of the richness, diversity and evenness indices, combined with TWINSPAN, DCA, DCCA, multi-factors regression, correlation analysis techniques and so on, species diversity and diversification mechanism were studied. The communities were classified into eight types by TWINSPAN.
通过丰富度指数、物种多样性指数和均匀度指数，结合TWINSPAN、DCA、DCCA排序，多元回归和相关分析，研究了物种多样性及其变化机制，把植物群落分为8个群落类型；收藏指正
6.Our results showed that functional diversity, evenness indices and AWCD from rhizosphere microbial community were significantly higher than those from bulk soil microbial community at both growth stages. Functional diversity and AWCD of bulk microbial community from SCS and CS8 were higher than those from CCCS and CS4 treatments at podding stage;
在收获期正茬和迎茬处理的土体微生物多样性、AWCD高于连作4a和8a。收藏指正
7.Based on the samples taken from more than 30 representative large-and middle -sized reservoirs in Shandong province in 1989 and 1990, the species composition,the percentage and average biomass of each phylum, species frequency class and major species of the phytoplankton are investigated. The species diversity and evenness indices, the biomass of nannophytoplankton and netphytoplankton and dominant groups or species of each representative reservoir, and their relation to the total biomass of the phytoplankton of each reservoir are presented.
报道1989～1990年山东省大中型水库浮游植物种类组成百分数和生物量、种类频级和主要种类，提出代表性水库的种类多样性指数和均匀性指数、微型浮游植物和小型浮游植物组成、优势类群或优势种以及它们与各水库总浮游植物生物量之间的关系。收藏指正
8.Pielou evenness index increased with altitude increasing obviously. β diversity indices(Cody index and Wilson-Schmida index) increased with increasing altitude.
β多样性(W ilson-Schm ida指数、群落相异系数βCS及Cody指数)随着海拔均呈上升趋势。收藏指正
9.2 Based on the value importance in different communities, the biology diversity of the urban forest is studied by five indices, such as species richness, Shannon-Wiener index, Simpson index, PIE index, Pielou evenness index .
2．以不同群落重要值为对象，采用物种丰富度指数S、Shannon-Wiener指数、Simpson指数、种间相遇机率PIE、Pielou均匀度指数等5个指数对南宁市城市森林植被的乔、灌、草三层的物种多样性进行了研究。收藏指正
10.The floristic composition structural characteristics of Tiankeng forest communities were analyzed by the importance values of arbor. Species diversity was also analyzed by various kinds of diversity indices, such as the species richness index, Shannon-Wiener index (H), Simpson index (D), PIE and Pielou evenness index (J).
应用重要值和α多样性测度法对比分析天坑森林植物群落组成结构特征以及不同群落的物种多样性,选用了种多样性Patrick 指数(S)、种丰富度Margalef 指数(F)、Simpson多样性指数(D)、Shannon-Wiener 指数(H)、Pielou 均匀度指数(J)、种间相遇机率PIE 等6 个多样性指标;收藏指正
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