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Gotowe bibliografie tematyczne / Shannon Weiner index

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Gotowa bibliografia na temat „Shannon Weiner index”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Shannon Weiner index"

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Kumar, Pavan, Manmohan Dobriyal, Amey Kale, A. K. Pandey, R. S. Tomar, and Elizabeth Thounaojam. "Calculating forest species diversity with information-theory based indices using sentinel-2A sensor’s of Mahavir Swami Wildlife Sanctuary." PLOS ONE 17, no. 5 (2022): e0268018. http://dx.doi.org/10.1371/journal.pone.0268018.

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Tropical forest serves as an important pivotal role in terrestrial biological diversity. The present study makes an attempt to identify the concentration of species among tree diversity in Mahavir Swami Wildlife Sanctuary, Bundelkhand, India. Four important ecological indicator indices namely Shannon-Weiner index (H’), Simpson’s diversity (D), Margalef index (SR) and Pielou’s (J) indices were make the most for species diversity measurement. The research outcomes revealed that Shannon-Weiner diversity index (H/) was found to be the best index for assessing species richness while Simpson’s diver

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Williams, M. Sam, and Neelam Khare. "Study of Plant Diversity in Red Sanders Park in Chittoor District of Andhra Pradesh, India." International Journal of Plant & Soil Science 35, no. 19 (2023): 37–64. http://dx.doi.org/10.9734/ijpss/2023/v35i193521.

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The study deals with the assessment of plant diversity in Red Sanders park in Chittoor district of Andhra Pradesh, India. A total of nine species of trees belonging to six families with 1625 individuals, 25 species of shrubs belonging to 18 families with 2,042 individuals and 40 species of grasses and herbs belonging to 14 families with a total of 1,016 individuals were encountered. Quadrat size of 400 m2 were established for trees, 100 m2 for shrubs, 20 m2 for grasses and herbs. In terms of IVI, Pterocarpus santalinus was found to be the most dominant tree species, chromolaena odorata was fou

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Sakachep, Martin, and Neelam Khare. "Assessment of Plants Biodiversity in Innerline Reserve Forest, Hailakandi, Assam, India." International Journal of Environment and Climate Change 13, no. 10 (2023): 1825–34. http://dx.doi.org/10.9734/ijecc/2023/v13i102838.

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The study deals with the “Assessment of Plant biodiversity of Innerline Reserve Forest, Hailakandi (Assam)” India. that was carried out in six sites. A total of 54 species of trees belonging to 32 families with 2,303 individuals, 17 species of shrubs belonging to 13 families with 2,195 individuals and 27 species of grasses and herbs belonging to 13 families with a total of 1,595 individuals were encountered. Quadrate size of 400 m2 for trees, 100 m2 for shrubs, 20 m2 grasses and herbs. Compared to all the six sites, Site-III shows the highest Basal area (243.67 m2). In terms of IVI, Tectona gr

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Bal, Solanki, Arup Chattopadhyay, and Asit Kumar Mandal. "Phenotypic Variability among Chilli Germplasms Using Shannon-Weiner Index (H')." International Journal of Bio-resource and Stress Management 15, Apr, 4 (2024): 01–08. http://dx.doi.org/10.23910/1.2024.5165a.

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The investigation was conducted during the rabi season (September 2019 to February 2020) of 2019 to 2020 at the research field of All India Co-ordinated Vegetable Crops, located at Bidhan Chandra Krishi Viswavidyalaya in Kalyani, Nadia, West Bengal, India. The aim of the study was to examine the characteristics of twenty-six chilli genotypes across twelve qualitative traits. The investigation unveiled a broad range of phenotypic variability using Randomized Block Design in three replications. Among the assessed traits, leaf density, leaf shape, fruit shape, plant habit, fruit curvature, and an

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Jha, Praveen Kumar. "Seasonal Diversity of Birds in Nagarjun Forest of Shivapuri Nagarjun National Park, Kathmandu, Nepal." Tribhuvan University Journal 35, no. 1 (2020): 33–43. http://dx.doi.org/10.3126/tuj.v35i1.35832.

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Nagarjun forest of Shivapuri Nagarjun National Park plays a significant role in the conservation of avifaunal diversity, but there are very few studies on birds of such local biodiversity hotspots in Nepal. The objective of the present study was to obtain information on seasonal diversity, species richness and relative abundance of birds in Nagarjun forest. The study was carried out from August 2019to June 2020 covering two seasons (autumn and spring). A total of 97 species of birds belonging to 10 orders and 42 families were recorded from three trails. Total22 Mackinnon’s lists were produced

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Liadi, M. T., A. A. Adesiyun, R. O. Uddin II, A. A. Oyerinde, and E. A. Orijemie. "Analysis of Pollen in Stingless bee (Meliponula ferruginae [ Moure]) Honey, an Indicator of Deforestation Levels at University of Ilorin and its Environs." Nigerian Journal of Entomology 40, no. 1 (2024): 1–26. http://dx.doi.org/10.36108/nje/4202/04.0110.

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Pollen analysis of the honey of stingless bees was conducted to ascertain the levels of deforestation in the campus of the University of Ilorin, North Central Nigeria. Thirteen honey samples from the nests of Meliponula ferruginae in four different localities, with varied deforestation levels, in the University of Ilorin Agro-Ecological areas were analysed. Pollen grains were identified and counted under high power light microscope. Species diversity assessed using Shannon diversity index, species richness and dominance of the floral origin of the pollen were calculated using PAST Software. A

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Pokharel, Neeta, Bishal Bhandari, Mahamad Sayab Miya, and Nikita Phuyal. "Avifaunal diversity inside and outside protected area: A case of Sundarijal Forest and Changunarayan Forest, Kathmandu Valley, Nepal." Nepalese Journal of Zoology 7, no. 1 (2023): 36–47. http://dx.doi.org/10.3126/njz.v7i1.56309.

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This study aimed to compare the diversity of birds between protected and non–protected areas that are similar in climatic and geographical features. The study was carried out in three different habitat types (Forest, Agricultural land and Wetland of protected Sundarijal and Non-protected Changunarayan. Field data were collected using a “Point Count Approach” in transects which were laid in different habitat types (Forest, Agricultural land & Wetland). Shannon-Wiener and Margalef Diversity Indices were used to calculate the diversity of birds and Pielou’s Evenness was used to calculate the

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Chen, Yu Hui, Yong Zhang, Min Sheng Huang, Yi Fan Zhang, Feng Zhao, and Jin Hong Luo. "Ecological Restoration by a Multistage Floating-Bed System in a Eutrophic Urban River, China." Applied Mechanics and Materials 157-158 (February 2012): 945–49. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.945.

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By constructing a multistage floating-bed system by combination of macrophytes, aquatic animals and aquamats ecobase for ecolgical restoration in a eutrophic urban river, the improvement of water quality and the dynamic variation of phytoplankton was investigated. The results showed that the average removal rates were 9.85%, 15.86%, 24.47% and 12.75%, respectively. phytoplankton quantity was decreased by 22.82×104ind./L and Shannon-Weiner Index was increased by 0.11 averagely, after the restoration work in the demonstration area comparing to control area. The negative correlation between Shann

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Nurhandani, Pebi, Marheni, Irda Safni, and Setia Sari Girsang. "Diversity of Insects in Shallot (Allium ascalonicum L) Plantations at Various Altitudes." Jurnal Pertanian Tropik 5, no. 2 (2018): 215–22. http://dx.doi.org/10.32734/jpt.v5i2.2994.

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Recently the improvement of shallot seed quality using true shallot seed has been developed. This research was aimed to know diversity of insects and the role of insects on the cultivation of shallot seeds in various altitudes. This research was conducted in three different districts (Deli Serdang, Simalungun and Toba Samosir districts) in Plant Pests and Diseases Laboratory, Faculty of Agriculture, University of North Sumatra, Medan from July 2017 until January 2018. This research used four different insect traps (sweep net, pitfall trap, hand picking, and yellow trap), and repeated for six t

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A. H., Nurridan. "The Fish and Prawn Diversity of Sungai Pasu,Miri Sarawak." Sarawak Museum Journal LXXXIV, no. 105 (2021): 135–46. http://dx.doi.org/10.61507/smj22-2021-bb77-09.

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Sungai Pasu is one of the adjoining rivers to Kuala Baram and plays a significant economic role in terms of fisheries. This study was carried out to investigate the fish and prawn species diversity in Sungai Pasu using local fishing boats and cast nets in wet season and dry season. The wet season in this study was in March 2019, November 2019 and March 2020, while the dry season was in April to August 2019. Fish and prawn diversity indices were calculated using Shannon-Weiner and Pielou Evenness. A total of 37 species from 24 families were recorded. The dominant fish species recorded was Kurtu

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Rozprawy doktorskie na temat "Shannon Weiner index"

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Washburn, Stephen Jackson. "The Epiphytic Macrolichens of the Greater Cincinnati, Ohio, Metropolitan Area." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1133992448.

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Części książek na temat "Shannon Weiner index"

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"Shannon-Weiner Index Example." In Paradigms Lost. Elsevier, 2006. http://dx.doi.org/10.1016/b978-075067888-9/50025-9.

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K.K. Amponsah, Samuel, Rachael Ackah, William Dzisenu Amekor, Asiedu Berchie, and Andrews Apraku. "Shark Fishing in Ghana: What We Ought to Know." In Sharks - Past, Present and Future. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109301.

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The main objective of the study was to assess the abundance and distribution of sharks in Ghana’s coastal area. Samples were collected daily from the three sampling sites from April – to December 2021. The data obtained from this study were assessed for species abundance and composition, ecological indices; species diversity, and exploitation status using PAST and Microsoft Excel. A total of eight species were recorded with Prionace glauca (68%) as the dominant species and Carcharhinus leucas (1%) as the least dominant species. The mean species richness index (SRI) of 0.9 indicated infinite di

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"Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques." In Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques, edited by Gary D. Grossma, Robert E. Ratajczak, Mark D. Farr, C. Michael Wagner, and J. Todd Petty. American Fisheries Society, 2010. http://dx.doi.org/10.47886/9781934874141.ch4.

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<em>Abstract</em>.—Studies demonstrating the mechanisms regulating biodiversity are uncommon. Streams and rivers worldwide display a longitudinal gradient in fish biodiversity, and most prior research has used correlative evidence to infer that higher downstream diversity is produced by factors facilitating greater niche separation. We combine 20 years of fish abundance samples from a representative southern Appalachian stream with critical swimming velocity experiments to provide direct evidence that a shifting hydrodynamic barrier affects this gradient in Coweeta Creek. We observ

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