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Journal articles on the topic 'Fragillariya'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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1

Odilova, Shahnoza Omatjon qizi, and Mohlaroyim Ilhomjon qizi Axmadjonova. "Diatom suv o'tlari sistematikasi va ahamiyati." JOURNAL OF SCIENCE-INNOVATIVE RESEARCH IN UZBEKISTAN 1, no. 9 (2023): 715–20. https://doi.org/10.5281/zenodo.10391998.

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2

Heriyanto, N. M. "Keragaman Plankton dan Kualitas Perairan di Hutan Mangrove." Buletin Plasma Nutfah 18, no. 1 (2016): 38. http://dx.doi.org/10.21082/blpn.v18n1.2012.p38-44.

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<p>Plankton Diversity and Water Quality in Mangrove Forest. N.M. Heriyanto. Study the diversity of plankton and water quality in mangrove forests Blanakan was done in Subang, West Java and Cilacap, Central Java, in September 2010. Study used purposive random sampling method and the data were analyzed in the laboratory. The results showed five that different types of phytoplankton were found and a type of zooplankton that were Fragillaria sp., Navicula sp., Nitzschia sp., Surirella sp., Tabellaria sp., and one type of zooplankton Nauplius sp. Abundance of species (Di) Nitzschia sp. were f

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3

Mikhailov, I. S., Y. R. Zakharova, N. A. Volokitina, D. P. Petrova, and Y. V. Likhoshway. "Bacteria associated with planktonic diatoms from Lake Baikal." Acta Biologica Sibirica 4, no. 4 (2018): 89–94. http://dx.doi.org/10.14258/abs.v4.i4.4880.

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Algal-bacterial associations were studied in unialgal xenic cultures of Synedra acus subsp. radians, Asterionella formosa and Fragillaria crotonensis planktonic diatoms from Lake Baikal, using epifluorescent and scanning electron microscopy. It was found that rod- and ovoid-shaped bacteria colonized cell walls of diatoms. Cloning and sequencing of fragments of 16S rRNA gene in diatom cultures revealed members of Gammaproteobacteria (Pseudomonas sp.), Betaproteobacteria (Janthinobacterium sp., Hydrogenophaga sp., Methylophilus sp.), Bacteroidetes (Flavobacterium sp., Pedobacter sp.), and Acinob

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4

Manu, Gaspar, Martinus Baroleh, and Alex D. Kambey. "STUDI FITOPLANKTON DI DANAU TONDANO PROVINSI SULAWESI UTARA." JURNAL PERIKANAN DAN KELAUTAN TROPIS 6, no. 1 (2012): 13. http://dx.doi.org/10.35800/jpkt.6.1.2010.108.

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This research was conducted in Tondano Lake North Sulawesi for 3 month from June to August 2007. The research was aimed to identify species abundance of phytoplankton. Phytoplankton were collected by using a 40 μm large plankton net. Results showed that phytoplankton consisted of 32 genera. It also indicated that the highest individual abundance was shown by Fragillaria (2903 individuals), followed by Microspora (2349 individuals), Closterium ( 984 individuals), Zynema (803 individuals), Melosira (770 individuals), and Anabaena (693 individuals) respectively with monthly sampling the highest a

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5

Murni, Mida Yulia. "Epilithic Diatom Abundance Study in the Batang Kuranji River in Padang City, West Sumatra." Advances in Tropical Biodiversity and Environmental Sciences 4, no. 2 (2020): 39. http://dx.doi.org/10.24843/atbes.2020.v04.i02.p03.

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A study about abundant of epilithic diatom was conducted on 2017 in Kuranji River. The objective of this study was to clarify species and abundant of epilithic diatom in Batang Kuranji River. Samples were collected in 3 stations by purposive sampling and brushing method. The results showed that totally 82 species in 22 genera had been found. The total abundant of epilithic diatom was 15139,26 individual/cm2. The highest abundance of epilithic diatom was found in station I (Batu Busuak) and the lowest in station III (Sawah Liek). Synedra sp and Fragillaria sp were dominant group of diatoms whic

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6

Novembrianto, Rizka, Denaya Andrya Prasidya, Munawar Envirotek, Muhammad Abdus Salam Jawwad, and Muslikha Nourma Rhomadhoni. "Bioindikator Plankton dan Benthos dalam Monitoring Kualitas Air Sungai PT. WXYZ." JURNAL ENVIROTEK 14, no. 2 (2022): 169–75. http://dx.doi.org/10.33005/envirotek.v14i2.35.

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Pemantauan kualitas air sungai memberikan gambaran terhadap keanekaragaman Plankton dan benthos. Tujuan penelitian ini sebagai bahan evaluasi kualitas badan air sungai disekitar PT. WXYZ. Terdapat dua titik pengamatan yakni pada upstream dan downstream. Teknik yang dimanfaatkan yaitu purposive sampling. Temuan riset yakni filum dan kelimpahan benthos di sungai PT. WXYZ sangat minim, hanya ada 1 Filum Bethos pada lokasi sampel Downstream Air Sungai yaitu Clitella dengan spesies benthos Tubifex sp (Cacing Sutra) sebanyak 13 individu. Plankton yang ditemukan di sungai PT. WXYZ ada 16 genus yang m

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7

Zahid, Ahmad, MF Rahardjo, Sutrisno Sukimin, and Lenny S. Syafei. "VARIASI TEMPORAL MAKANAN IKAN SEPAT LAYANG (Trichogaster leerii, Blkr. 1852) DI HUTAN RAWA GAMBUT DESA DADAHUP, KALIMANTAN TENGAH." Berkala Penelitian Hayati 15, no. 1 (2009): 53–62. http://dx.doi.org/10.23869/bphjbr.15.1.200910.

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Changes in habitat quality and resource availability associated with seasonal variation in hydrology strongly influences ecological interactions. The study was conducted from July to December 2007 which aiming to described prey item of Trichogaster leerii in peatswamp forest district of Dadahup, Central Kalimantan based on temporal variation (low and high water period). Each month, research zone, and size classes; the stomach contents on consisted predominantly of periphyton, such as Diatoma; Fragillaria; Nitzschia; Navicula; and Tabellaria. Diatoma was the dominance in the stomach contents an

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8

Ejiowhor, I. Moslen M. and Daka E.R. "Phytoplankton and epipelic algal abundance in relation to bridge construction on Okpoka River in the Upper Bonny Estuary, Nigeria." Archives of Agriculture and Environmental Science 3, no. 4 (2018): 337–43. https://doi.org/10.26832/24566632.2018.030402.

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The objective of this study was to determine the impact of bridge construction on abundance and composition of phytoplankton and epipelic algae with respect to bridge construction on a section (ATC Okrika Axis) of Okpoka River, upper Bonny estuary in Nigeria. Phytoplankton and epipelic algae were collected in five replicates from six stations (UA – upstream, BA – bridge position, DA – downstream of bridge (reclaimed side) and (UC – upstream, BC – bridge position, DC downstream of bridge (vegetated side -mangrove) side of the river between January and March 2017. T

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9

Prasidya, Denaya Andrya, Rizka Novembrianto, Munawar Munawar, Muhammad Abdus Salam Jawwad, and Muslikha Nourma Rhomadhoni. "Bioindikator Plankton dan Benthos dalam Monitoring Kualitas Air Sungai PT. WXYZ." JURNAL ENVIROTEK 14, no. 2 (2022): 169–75. http://dx.doi.org/10.33005/envirotek.v14i2.233.

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Pemantauan kualitas air sungai memberikan gambaran terhadap keanekaragaman Plankton dan benthos. Tujuan penelitian ini sebagai bahan evaluasi kualitas air badan air sungai disekitar PT. WXYZ. Terdapat tiga titik pengamatan yakni pada upstream, titik outfall air limbah dan downstream. Metode yang digunakan adalah purposive sampling. Hasil dari analisa yakni Jenis dan kelimpahan benthos pada lokasi sungai PT. WXYZ variasinya sangat rendah, yaitu 1 filum Annelida kelas Clitelata yang terdiri dari 1 spesies yaitu Tubifex sp. dengan kelimpahan 13 individu/mL. Indeks keanekaragaman (H’) benthos term

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10

Zakiyyah, Isyarotuz, Jafron Wasiq Hidayat, and Fuad Muhammad. "Struktur Komunitas Plankton Perairan Payau di Kecamatan Wedung Kabupaten Demak." Bioma : Berkala Ilmiah Biologi 18, no. 2 (2016): 89. http://dx.doi.org/10.14710/bioma.18.2.89-96.

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Aquaculture are highly prioritized by the government to support the economy. Products from the aquaculture sector is also targeted as a source of income to the Indonesian country. Aquaculture needs to improve to manage water quality, especially plankton to support natural food of the fish. This study aims to examines structure of plankton community in the brackish waters of the District Wedung and then examines the water quality with environmental quality standards of water the cultivation. Research was conducted in February-April 2015. The method used to analyze data that plankton with uses k

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11

Dianto, Aan, Taofik Jasalesmana, Luki Subehi, Ahmad Yusuf Afandi, and Ardo Ramdhani. "Surface Sediment Diatom as A Water Quality Indicator: Case Study: Cilalay and Cibuntu Ponds, Cibinong." Indonesian Journal of Limnology 1, no. 1 (2021): 38–46. http://dx.doi.org/10.51264/inajl.v1i1.1.

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Diatom is classified as algae within the Division of Bacillariophyta. They are unicellular eukaryotic organisms characterized by siliceous cell walls that can be long preserved in sediments. Therefore, diatom analysis in sediment records is a potential water quality indicator for present or paleo studies. The current knowledge on the distribution and diversity of diatoms in the sediment in the urban pond is poorly known. This study aimed to identify the distribution and diversity of diatoms from the sediments of the pond. We expect to obtain a primary database of a variety of diatoms. The sedi

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12

Ferdoushi, Zannatul, K. M. Touphiq Hassan, Md Shahanur Alam, Md Abul Kalam Azad, Yeasmin Ara, and Mst Masuma Khatun. "Diatom Assemblages and Their Interrelationships between Different Water Quality Parameters in Gorveshwari River of Bangladesh." Trends in Sciences 20, no. 9 (2023): 6697. http://dx.doi.org/10.48048/tis.2023.6697.

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The main objectives of this study were to assess the diversity of diatom species and explain how physico-chemical factors and trophic levels interact with diatom assemblages. An assemblage of diatom communities in a riverine environment was assessed through forthright sampling for a period of 7 months from September 2019 to March 2020. Three sampling sites from the upstream, midstream and downstream parts of a river located in the northwest part of Bangladesh were selected for water quality analysis. A variety of multivariate data analyses were done to evaluate the environmental and biological

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13

Bhuiyan, Mohammad Azmal Hossain, and Moniruzzaman Khondker. "Water quality and potamoplankton of the river Buriganga and Gomti: A comparison." Dhaka University Journal of Biological Sciences 27, no. 2 (2018): 191–200. http://dx.doi.org/10.3329/dujbs.v27i2.46467.

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The studied section of the river Buriganga besets with urban catchment contained higher values of pH, alkalinity, CO2, conductivity, TDS, SRP, SRS and NO3-N concentration compared to its counterpart, namely a section of the river Gomti having rural catchment characteristics. The mean values for a period of six months for the river Buriganga were 8.34, 1.48 meq/l, 8.49 mg/l, 686 μS/cm, 155.17 mg/l, 493 μg/l, 36.07 mg/l and 810.28 μg/l for pH, alkalinity, CO2, conductivity, TDS, SRP, SRS and NO3-N, respectively. While the same for the river Gomti was 7.86, 1.18 meq/l, 5.42 mg/l, 284.44 μS/cm, 79

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14

Majumder, Jayanta, and Debashri Mondal. "Plankton Diversity of the River Kulik at Uttar Dinajpur District of West Bengal, India." International Journal of Ecology and Environmental Sciences 50, no. 1 (2023): 63–81. http://dx.doi.org/10.55863/ijees.2024.3039.

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Plankton Diversity of the river Kulik at Uttar Dinajpur District of West Bengal, India was studied from November2019 to October 2021. A total of 43 phytoplankton species were recorded during the present study. Out of which,Chlorophyceae was the most dominant group with 17 species followed by, Bacillariophyceae with 12 species,Cyanophyceae with 7 species and 2 species belonged to Chryssophyceae, Dinophyceae and Euglenophyceae, 1species belonged to Charraphyceae. Highest phytoplankton density was recorded during monsoon season of thefirst year from Site 4 (14640/mL) and the lowest density was fo

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15

Dinata, Marta. "PERUBAHAN MAKANAN IKAN MUNGKUIH Sicyopterus macrostetholepis Bleeker (Pisces: Gobiidae) BERDASARKAN UKURAN TUBUH DI SUNGAI BATANG KURANJI PADANG SUMATERA BARAT." Bio-Lectura 3, no. 1 (2016). http://dx.doi.org/10.31849/bl.v3i1.329.

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Penelitian tentang perubahan makanan ikan mungkuih (Sicyopterus macrostetholepis Blkr.) berdasarkan ukuran tubuh di sepanjang Batang Kuranji telah dilakukan dari bulan Juli - Oktober 2011. Penelitian ini bertujuan untuk mengetahui komposisi pakan alami yang terdapat di alam dan perubahan makanan di lambung ikan terhadap ukuran tubuh. Penelitian ini dilakukan dengan metode survei dan cuplikan pengambilan sampel sebanyak 4 titik di sepanjang Batang Kuranji Padang yang masih merupakan habitat ikan S. macrostetholepis. Penangkapan sampel ikan S. macrostetholepis menggunakan jaring tangguk. Pengkol

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16

Meena, Lakhpat. "Diatom Records from Diatom Mat Deposits in the Western Pacific." Journal of Innovation and Social Science Research 9, no. 4 (2022). http://dx.doi.org/10.53469/jissr.2022.09(04).02.

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The diatoms are major part of freshwater algae and major contributors of oxygen evolving organisms. Therefore, enlisting of diatoms not only contributed as data but also future hope for scientific community for further research. The research is carried out in Sawai madhopur of Rajasthan and found great diversity of this small group. The great diversity of diatoms is found in all aquatic habitats (stagnant as well as running).This is first attempt for enlisting diatoms from western part of Rajasthan. Eighteen diatoms species of two genus Fragillaria and Synendra have been described in present p

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17

Bhakta, S., and S. P. Adhikary. "Algal Diversity in the Streams and Waterfalls of Eastern and North-Eastern Region of India." Nelumbo, December 1, 2014, 291–341. http://dx.doi.org/10.20324/nelumbo/v56/2014/86674.

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Two hundred fourteen species of algae were recorded from 12 mountain streams of Odisha and 21 streams and waterfalls of the Eastern Himalayan region covering West Bengal, Sikkim, Arunachal Pradesh, Nagaland and Mizoram. Of these Chlorophyta (39), Cyanophyta (31), Heterokontophyta (24) and Euglenophyta (3) were specifically from the streams in Odisha whereas Cyanophyta (43), Chlorophyta (34) and Bacillariophyceae (26) were from the streams and waterfalls of the eastern Himalayan region. The diversity of algae in these two regions of eastern India differing in topography and climatic regime show

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18

Mustfa, Ghulam, Ishtiyaq Ahmed, Mohd Tariq, and A. K. Dobriyal. "Ecology, Diversity And Community Structure Of Periphyton In The Datpul Gad Stream A Spring Fed Tributary Of River Nayar From Uttarakhand, India." Journal of Mountain Research 18, no. 1 (2023). http://dx.doi.org/10.51220/jmr.v18i1.30.

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The paper focuses on the ecology, diversity, and community structure of periphyton in the Datpul Gad stream during the period of 2019-2020. The stream is a significant spring-fed tributary of the River Nayar, situated in the Agroda village of Pauri district, Uttarakhnad state. Several physico-chemical parameters were examined from October 2019 to September 2020 to assess the periphyton growth conditions. These parameters included water temperature, current velocity, dissolved oxygen, pH, total alkalinity, and total hardness. The results indicated that all these physico-chemical parameters were

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