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Relevant bibliographies by topics / Evenness uniformity index

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Journal articles

Academic literature on the topic 'Evenness uniformity index'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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Journal articles on the topic "Evenness uniformity index"

1

Bajagain, Santish, Santosh Pokhrel, Shishila Baniya, Aavas Pradhan, Surakchya Paudel, and Ishwar Datt Joshi. "Avifaunal Diversity of Institute of Forestry Complex, Hetauda Metropolis, Nepal." Forestry: Journal of Institute of Forestry, Nepal 17 (December 23, 2020): 83–101. http://dx.doi.org/10.3126/forestry.v17i0.33624.

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Avifaunal diversity is the measure of species diversity via species richness and evenness. To this aim, avifaunal survey was conducted in the Institute of Forestry Complex, Hetauda from November 2017 to June 2018. Using line transect and point count methods, 132 species of birds were recorded, representing 15 orders and 44 families. Three species of these birds are in IUCN Red List while 90, 27 and 15 species are residential, visitor and migrant respectively. Higher Shannon diversity index (4.47) and Margalef index (18.78) indicate marked diversity and richness of bird species. A high value ca

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2

SM, Farid, Nurdin Mohamad, Irvan Abraham Salihi, et al. "Community Structure Analysis of The Boroko and Binuanga Mangrove Areas North Bolaang Mongondow Regency, North Sulawesi Province." Jurnal Biologi Tropis 24, no. 2 (2024): 235–40. http://dx.doi.org/10.29303/jbt.v24i2.6851.

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Mangrove forests are one of the potential coastal and marine natural resources that Indonesia has, as an abundant archipelagic country. The area of mangrove forests in Indonesia is approximately 3,490,000 ha or equivalent to 21% of the world's mangrove forests. This research aims to analyze the community structure of the Boroko and Binuanga mangrove areas, North Bolaang Mongondow Regency, North Sulawesi Province. The research uses a survey method with a quantitative descriptive approach, namely a method of collecting data directly at the research location. The survey method was used to collect

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3

I, Made Sudarma, Wayan Suniti Ni, and Nengah Darmiati Ni. "ENVIRONMENTALLY FRIENDLY CONTROL OF FALSE SMUT DISEASE [Ustilaginoidea virens (Cooke) Takahashi] IN RICE." GPH-International Journal of Agriculture and Research 06, no. 05 (2023): 01–10. https://doi.org/10.5281/zenodo.7981167.

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False smut disease in rice plants is caused by the fungus <em>Ustilaginoidea virens</em> (Cooke) Takahashi, with symptoms of yellow fungal mycelium clustering around the panicles and over time the powder turns black. Exophytic microbes found on leaves have the highest prevalence by <em>Streptomyces</em> sp. and <em>Aspergillus</em> sp. each with 6 isolates (20%), the highest prevalence of exophytic microbes in bauh was <em>Phytophtora</em> sp. as many as 9 isolates (33%) and exophytic microbes on stems with the highest prevalence of <em>Aspergillus flavus</em> as many as 15 isolates (33%). The

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4

Satria, M. B., and H. Ahmad. "Diversity of non-targeted species on blue swimming crab Portunus pelagicus gillnet fishery in Grogol, Cirebon." IOP Conference Series: Earth and Environmental Science 1251, no. 1 (2023): 012046. http://dx.doi.org/10.1088/1755-1315/1251/1/012046.

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Abstract Non-targeted Species (NTS) data and research is needed in the management and development of the blue swimming crab fishery ecosystem. The NTS were divided into two groups, namely the retained and the discarded. This study aims to explain the diversity of NTS caught by blue swimming crab fishermen that used gillnet in the Cirebon Regency. This study uses exploration and enumeration methods to analyze the catch of NTS catched by blue swimming crab fishermen for 7 months in 2021. Shannon-Wiener diversity, Evenness, and Simpson’s dominance index were further analyzed. Results showed the d

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Rozi, Zico Fakhrur, and Dian Samitra. "Amphibians Diversity in Sulap Hill and Watervang Dam, Lubuklinggau." Jurnal Biodjati 5, no. 1 (2020): 153–63. http://dx.doi.org/10.15575/biodjati.v5i1.5340.

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Sulap Hill and Watervang Dam are located in the central of the city of Lubuklinggau, South Sumatra Province, which has a variety of organisms, including amphibians. This study aimed to determine the diversity of amphibian species in the area of Sulap Hill and Watervang Dam Lubuklinggau City. This research was conducted from June to August 2018. Data collection was an exploration method-combined visual encounter survey (VES). The samples obtained were identified at the Biology Education Laboratory, STKIP PGRI Lubuklinggau. Data analysis included species composition, diversity index, and Evennes

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Umar Paputungan, Martina Langi, Hardiana Fujiadisti Paputungan, and Wa Nini. "Analysis of fauna diversity on the recovery area of PT JRBM-Gold Mining in East Bolaang Mongondow Regency, North Sulawesi Province of Indonesia." Open Access Research Journal of Life Sciences 9, no. 2 (2025): 001–11. https://doi.org/10.53022/oarjls.2025.9.2.0028.

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The PT JRBM-Gold Mining has ended operations and is currently in the post-mining revegetation stage according to the contract agreement with the government. The purpose of this study was to analyse the level of diversity of wild animals that thrive in and around PT JRBM-Gold Mining from the results of environmental monitoring during 2024. In collecting data, the surveyor covered five transects with a total distance of 2.5 km with an average of 0.5 km/transect. Each transect was observed twice in the morning and repeated in the afternoon by the surveyor assisted by PT JRBM employees. The fauna

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7

Insani, Reginah Fhathonah, Abdul Syukur, and Eni Suyantri. "Diversity of Molluscs (Gastropoda and Bivalve) associated with Mangrove species in Dondon Beach and Gerupuk Beach, Central Lombok." Jurnal Biologi Tropis 24, no. 1 (2024): 542–62. http://dx.doi.org/10.29303/jbt.v24i1.6614.

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Mollusks are macrofauna found in mangrove environments. The aim of this research is to explain the association of mollusks with mangroves at Dondon Beach and Gerupuk Beach, Central Lombok. Furthermore, the research method uses transects and quadrants and determines transects using the purposive sampling method. Meanwhile, data analysis used descriptive statistics, the Shannon-Wienner diversity index, the Evenness uniformity index, the Simpson dominance index, and the Ludwig & Reynolds association index. Next, the relationship between mangroves and mollusks was analyzed using the Pearson co

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8

Rabiyanti, Intan, A. Asriansyah, Sulistiono, et al. "Community Structure of Macrozoobenthos Molluscs in Several Coastal Waters of Banten Bay, Java." IOP Conference Series: Earth and Environmental Science 1512, no. 1 (2025): 012014. https://doi.org/10.1088/1755-1315/1512/1/012014.

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Abstract The coastal waters of Banten Bay have a fairly high potential for fishery resources. The purpose of this study was to analyze the macrozoobenthos mollusk community structure in several coastal waters, from the west to the east of Banten Bay (Margari, Bojonegara, Cengkok, Kemayungan-Linduk, and Domas beaches), and to examine its relationship with the physical and chemical parameters of the water. Research activities on the structure of the macrozoobenthos community were carried out from May 2019 to March 2022 in these 5 coastal areas. Data on density, diversity, evenness, and dominance

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Mustika Palupi, Ren Fitriadi, Kasprijo, and Yasmin Malfa. "PHYTOPLANKTON COMMUNITY IN VANNAMEI SHRIMP (Litopenaeus vannamei) CULTIVATION IN INTENSIVE PONDS." IRAQI JOURNAL OF AGRICULTURAL SCIENCES 54, no. 1 (2023): 134–46. http://dx.doi.org/10.36103/ijas.v54i1.1684.

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Optimal growth of shrimp and harvest in a pond is strongly influenced by water quality because this is a common thing but it cannot be denied that it is also an important thing. The combination of physicochemical parameters and biological indicators has become a classic way of studying water quality. Phytoplankton is a bioindicator that affects the productivity of vannamei shrimp in ponds. Currently, shrimp farming activities are intensive. This study aimed to analyze the diversity and abundance of phytoplankton and water quality in vannamei shrimp ponds. The research objective was achieved by

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Limbu, Umbu N., Antonia P. Bao, Anastasia H. P. Enga, and Oriensi Y. K. Teftae. "Keanekaragaman Laba-Laba (Araneae) Di Desa Ubedolumolo I Kecamatan Bajawa Kabupaten Ngada." Jurnal Pendidikan Ilmu Pengetahuan Alam (JP-IPA) 6, no. 01 (2025): 43–51. https://doi.org/10.56842/jp-ipa.v6i01.516.

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Spiders play an important role in agriculture, plantations, and settlements by preventing pest insects. Efforts to conserve ecosystems are fundamentally a right and an absolute obligation for every generation because an ecosystem harbors a wealth of biodiversity, one of which is spiders. The purpose of the research is to determine the diversity of spider species (Araneae) found in the Ubedolumolo I bamboo forest. The research method used is Explorative Descriptive through observation and documentation at each transect. The transect used is a belt transect combined with a quadrat transect. The

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