Biodiversity characteristics of large forest plots in Qinghai area of Qilian Mountain National Park by WANG Dinghui, SUONAN Cairang, YU Hongyan, DU Yangong

“…The Shannon-Wiener index was significantly influenced by tree height, species richness, and Simpson index. As the tree height increased, the Shannon-Wiener was decreased, while the species richness and Simpson index were increased significantly. …”
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Changes in gut microbiota after gastric cancer surgery: a prospective longitudinal study by Yuhua He, Shilin Gao, Lili Jiang, Jie Yang

“…There was no significant difference in Chao1 index, Shannon index, and Simpson index before and after gastrectomy (all P > 0.05). …”
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Diversity and composition changes of intestinal fungi in patients with chronic kidney disease by XIE Huichao, XIAO Weidong, HAN Ben

“…The results of Alpha diversity assessment showed statistical differences were observed in Simpson index and Shannon index in the intestinal fungi between the 2 groups （P<0.01）. …”
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Floristic status of the Himalayan foothills in Haryana – vegetation composition, diversity and population structure by Dhiman Himanshi, Saharan Harikesh, Punia Harish, Jakhar Somveer

“…AR_2 was also more diverse than AR_1 because of a high Shannon Wiener Diversity Index value and a lower Simpson Index value. Whereas the population structure study demonstrated that girth class D (CBH=61–90 cm) had the highest number of tree species in both altitudinal ranges, followed by girth class C (CBH=31–60 cm). …”
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Microbiota, Prostatitis, and Fertility: Bacterial Diversity as a Possible Health Ally by Jenniffer Puerta Suárez, Walter D. Cardona Maya

“…The species diversity in semen samples was similar in healthy men than prostatitis patients, inverted Simpson index median 5.3 (5.0–10.7) vs. 4.5 (2.1–7.8, p=0.1508). …”
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Climate-smart agricultural technology and gender-differentiated food, and water security: Evidence from smallholder sunflower (Helianthus annuus L.) Farmers by Abiodun Olusola Omotayo, Abeeb Babatunde Omotoso

“…Herewith, water poverty index was used to measure the water security status, while dietary diversity index (Simpson Index) and calorie intake per adult equivalent were used to determine the food-nutrition security (FNS) of the households. …”
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Vegetation Structure and Tree Species Diversity inside and outside a Newly Established Zalon Taung National Park in Northwest Myanmar by Tin Hnaung Aye, Shozo Shibata

“…We used stand density, basal area, Shannon–Wiener diversity index, Simpson index, Pielou's evenness, Fisher’s α diversity, and Importance Value Index (IVI) to determine the forest structure and tree diversity. …”
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Elevational patterns of orchid diversity in mid-subtropical mountain forests of eastern China by Qinghua Zhan, Haihong Liao, Yuelong Liang, Zhong Zhang, Xingui Le, Yu Xiong, Lin Cheng, Wenqi Ding, Jian Lu, Yadong Zhou, Boyun Yang

“…In this study, we conducted an investigation of orchids across more than 1900 5 m × 5 m plots in six mountains located in central China, spanning an elevational range from 166 m to 1930 m, and then converted these survey data into the distribution data in 100 m elevational bands to study the trend of species richness (S), Shannon-Wiener index (H'), Simpson index (D), and Pielou evenness (e) of orchids variation along the elevational gradients. …”
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Characteristics of the macroinvertebrate community structure and their habitat suitability conditions in the Chishui River by Xinyu Li, Long Yan, Xu Zhi, Peng Hu, Chongju Shang, Baolong Zhao

“…In contrast, the Pielou index and Simpson index remained relatively stable, suggesting a higher level of evenness in community structure across the different water periods. …”
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Lost microbes of COVID-19: Bifidobacterium, Faecalibacterium depletion and decreased microbiome diversity associated with SARS-CoV-2 infection severity by Eamonn MM Quigley, Thomas J Borody, Sabine Hazan, Neil Stollman, Huseyin S Bozkurt, Sonya Dave, Andreas J Papoutsis, Jordan Daniels, Brad D Barrows

“…Microbiome diversity and composition were compared between patients and exposed controls at all taxonomic levels.Results Compared with controls (n=20), severely symptomatic SARS-CoV-2-infected patients (n=28) had significantly less bacterial diversity (Shannon Index, p=0.0499; Simpson Index, p=0.0581), and positive patients overall had lower relative abundances of Bifidobacterium (p&lt;0.0001), Faecalibacterium (p=0.0077) and Roseburium (p=0.0327), while having increased Bacteroides (p=0.0075). …”
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Capsaicin Modulates Ruminal Fermentation and Bacterial Communities in Beef Cattle with High-Grain Diet-Induced Subacute Ruminal Acidosis by Wei You, Haijian Cheng, Xin Hu, Enliang Song, Fugui Jiang

“…The addition of capsaicin increased the alpha diversity of ruminal bacteria relative to the SARA group, as evidenced by a lower Simpson index (<i>p</i> < 0.05), together with increases in the Ace, Chao, and Shannon indices (<i>p</i> < 0.05). …”
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Effect of fungicides on soil respiration, microbial community, and enzyme activity: A global meta-analysis (1975–2024) by Zikai Wang, Shourong Yun, Yuli An, Liulingqian Shu, Shunjin Li, Kai Sun, Wei Zhang

“…Additionally, the application of fungicides significantly reduced fungi, actinomycetes, Shannon index, Simpson index, and McIntosh index while not affecting bacterial diversity. …”
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No rumen fermentation profiles and associated microbial diversities difference were found between Hu sheep and Karakul sheep fed a cottonseed hull diet by Jishu Wang, Guangxu E, Meng Zhang, Yanlong Zhang, Tiantian Bai, XuanXuan Pu, Junfeng Liu, Xuefeng Guo, Subir Sarker, Long Cheng

“…In stage II, rumen bacteria in both Hu and Karakul sheep were relatively stable. However, the Simpson index of Hu sheep in stage II was substantially greater than that of Karakul sheep, demonstrating similarities in the rumen microbial structure between stages II and III. …”
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Effects of Microbial Fertilizer Application on Soil Ecology in Saline–Alkali Fields by Xingguo Tian, Xiu Zhang, Guoping Yang, Yu Wang, Qianru Liu, Jingjing Song

“…The Shannon index exhibited an ascending trend, and the difference in the Simpson index was not significant. After applying microbial fertilizer in the saline–alkali field, the number of bacterial and fungal operational taxonomic units (OTUs) significantly increased. …”
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Correlation between aboveground vegetation composition and soil seed bank of Raudhat desert habitat: a case study of Raudhat Alkhafs, Saudi Arabia by Asma A. Al-Huqail, Hanan F. Al-Harbi, Abdullah M. Alowaifeer, Mohamed A. El-Sheikh, Abdulaziz M. Assaeed, Turki S. Alsaleem, Hazem S. Kassem, Omar M. Azab, Basharat A. Dar, Jahangir A. Malik, Ahmed M. Abd-ElGawad

“…During the winter-spring season, Heliotropium ramosissimum community revealed the highest species richness (Simpson index = 0.92) and evenness (Shannon-evenness = 0.83). …”
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Spatial Characterization of Woody Species Diversity in Tropical Savannas Using GEDI and Optical Data by Franciel Eduardo Rex, Carlos Alberto Silva, Eben North Broadbent, Ana Paula Dalla Corte, Rodrigo Leite, Andrew Hudak, Caio Hamamura, Hooman Latifi, Jingfeng Xiao, Jeff W. Atkins, Cibele Amaral, Ernandes Macedo da Cunha Neto, Adrian Cardil, Angelica M. Almeyda Zambrano, Veraldo Liesenberg, Jingjing Liang, Danilo Roberti Alves De Almeida, Carine Klauberg

“…In this study, we evaluate the potential of Global Ecosystem Dynamics Investigation (GEDI) data, combined with conventional satellite optical imagery and climate reanalysis data, to predict in situ alpha diversity (Species richness, Simpson index, and Shannon index) among tree species. …”
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Associations between changes in the gut microbiota and liver cirrhosis: a systematic review and meta-analysis by Ye Liu, Ziwei Chen, Chang Li, Tianhan Sun, Xuanmei Luo, Boyue Jiang, Meilan Liu, Qing Wang, Tong Li, Jianfu Cao, Yayu Li, Yuan Chen, Lu Kuai, Fei Xiao, Hongtao Xu, Hongyuan Cui

“…The pooled estimates revealed a moderately significant reduction in gut microbiome richness in patients with liver cirrhosis compared with controls, including the Shannon, Chao1, observed species, ACE, and PD indices, but no significant difference was observed for the Simpson index. Over 80% of the studies reported significant differences in β diversity. …”
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The relationships of metals exposure and disturbance of the vaginal microbiota with the risk of PROM: Results from a birth cohort study by Dongyang Zhang, Rui Dong, Tingting Jiang, Shiwei Ren, Xinyu Yue, Muxin Zhai, Siyu Jiang, Bingxia He, Ran Tang, Yujie Deng, Wenjie Lyu, Baojing Zhao, Fangbiao Tao, Yuanyuan Yang, Zongzhi Yin, Zhen Yu, Dongmei Ji, Chunmei Liang

“…On the other hand, women with different levels of Ba exposure were also characterised by different beta diversities (p value = 0.047); and blood Ba levels were also negatively associated with the relative abundances of Collinsella; additionally, Cr levels were positively associated with alpha diversity indices [Shannon index: β (95 % CI) = 0.25 (0.01, 0.50); Simpson index: β (95 % CI) = 0.08 (0.00, 0.17), respectively]. …”
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