Bibliographies thématiques / River Torsa

Littérature scientifique sur le sujet « River Torsa »

Auteur : Grafiati
Publié le 18 mai 2024

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Articles de revues sur le sujet "River Torsa"

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PRASAD, S. K. « SOME HYDROMETEOROLOGICAL FEATURES OF TORSA RIVER ». MAUSAM 42, no 4 (28 février 2022) : 407–8. http://dx.doi.org/10.54302/mausam.v42i4.3278.

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Dey, Sourav, et Sujit Mandal. « Fluvial Processes and Channel Stability of the Torsa River, West Bengal (India) ». Journal of Geographical Studies 2, no 2 (12 avril 2019) : 62–78. http://dx.doi.org/10.21523/gcj5.18020202.

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Fluvial processes such as bank erosion plays an important role to change the channel stability of the Torsa River in the downstream region. The present study was focused on stream stability assessment of the Torsa River. The study area is situated between the downstream of the Jaldapara Reserve Forest and confluence of Kaljani River. Data of different parameters about 64 bank segments of the Torsa River were prepared using the field work techniques for assessing the stream bank conditions using lateral, vertical and overall reach stability models. The individual results of BEHI and NBS ratings show that out of 64 bank segments only 35 and 19 bank segments classified in higher categories. Overall lateral stability analysis shows that most of the sample bank segments are in an unstable condition. All bank segments are vertically unstable and degrading. Overall reach stability analysis shows widespread instability. BEHI and NBS results are almost similar for most of the bank segments and therefore, BEHI and NBS can be suitable bank erosion hazard predictive models in the study for channel stability analysis.
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Saha, Ujwal Deep, et Soma Bhattacharya. « Reconstructing the channel shifting pattern of the Torsa River on the Himalayan Foreland Basin over the last 250 years ». Bulletin of Geography. Physical Geography Series 16, no 1 (18 juin 2019) : 99–114. http://dx.doi.org/10.2478/bgeo-2019-0007.

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Abstract The varied physiography, incidences of high seasonal discharge, influences of neo-tectonic activity and the young geological foundation with less consolidated cohesive and non-cohesive sediment have left the Himalayan foreland basin a formidable ground, where silt-laden rivers tend to migrate frequently. A set of maps prepared after 1764, space photographs captured in 1970 and current satellite images from 2015 and 2017 were studied to reconstruct the fluvial dynamics of the Torsa River on the foreland basin of Sikkim-Bhutan Himalaya considering a time span of nearly 250 years. Evidence collected from colonial literature, the above-mentioned satellite images and a field survey, were combined to verify results taken from the old maps used as the base of the study. The application of satellite remote sensing and analysis of the topographic signatures of the palaeo-courses in the form of the palaeo-levee, abandoned courses and ox-bow lakes were the major operational attributes in this study. As a consequence of the channel migration of Torsa River since 1764, the historical floodplain of Torsa has been topographically marked by beheaded old distributaries, a misfit channel system and the presence of abandoned segments. Morphometric changes in the old courses, major flood events and neo-tectonic activity guided an overall trend of channel migration eastwards and has led to a couple of channel oscillation events in the Torsa River over the last 250 years. The mechanism of the avulsion events was thoroughly driven by sedimentation-induced channel morphometric changes and occasional high discharge.
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Kumari, Kavita, Manas Hoshalli Munivenkatappa, Archana Sinha, Simanku Borah et Basanta Kumar Das. « Barilius torsai (Teleostei : Cypriniformes : Cyprinidae), a new freshwater fish from the Brahmaputra drainage, India ». Journal of Threatened Taxa 11, no 14 (26 novembre 2019) : 14808–15. http://dx.doi.org/10.11609/jott.4746.11.14.14808-14815.

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Barilius torsai is described from the Torsa, a tributary of Brahmaputra River system in West Bengal, India. The new species is distinguished from all its congeners by the presence of a complete lateral line with 52–53 scales, 29 pre-dorsal scales, pectoral fin notched, two well-developed pairs of barbels (rostral and maxillary), length of rostral barbel slightly larger than maxillary, which reaches the orbit. Tubercles on snout and lower jaw absent, 9–11 blue vertical bars along the body, dorsal fin hyaline with dark pigment concentrated along lower two-third of the dorsal-fin rays.
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Sarkar, Tapan. « Cold water fish diversity and their conservation status in Teesta,Jaldhak, Torsa, Kaljani and Sankosh Rivers of the Dooars region, West Bengal, India ». Asian Journal of Conservation Biology 10, no 1 (juillet 2021) : 146–52. http://dx.doi.org/10.53562/ajcb.wimq5691.

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A survey was conducted on the cold water fish diversity in the different rivers of the Dooars region with the help of fisherman. Data was collected on the monthly basis by using different nets. A total of 71 cold water fishes were reported during the study period. Most dominant family was cyprinidae with 32 species followed by Sisoridae with 12 species; Balitoridae 8 and Bagridae with 4 species etc. 70 cold water fish species in the river Teesta, 63 in Jaldhaka, 66 in Torsa, 61 in Kaljani and 66 in the river Sankosh were recorded. Ten Endangered and 31 Vulnerable species were reported from all the five rivers. Out of 71 cold water fishes many have consumption and ornamental value. Many migratory and sport cold water fishes are also reported. Catch frequency status indicates many fishes found rare and extremely rare during the study.
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Sarkar, Tapan. « Ichthyofauna Diversity and its Conservation Status in the River Torsa, West Bengal, India ». Egyptian Journal of Aquatic Biology and Fisheries 27, no 3 (1 mai 2023) : 143–62. http://dx.doi.org/10.21608/ejabf.2023.299922.

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Bhadra, Bhaskar, Ashis Kumar Nanda et Ranadhir Chakraborty. « Enterobacter nickelidurans sp. nov., a novel nickel tolerant enterobacteria isolated from Torsa river water of India ». NBU Journal of Plant Sciences 5, no 1 (2011) : 15–23. http://dx.doi.org/10.55734/nbujps.2011.v05i01.003.

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A Gram-negative, rod-shaped, nickel-resistant bacterium, designated as strain NiVas 114', was isolated from waters of Torsa River in Hasimara, West Bengal, India. The strain NiVasl 14 possessing inducible nickel resistance can tolerate maximally 10mM nickel chloride. Southern blot assays of genomic DNA of NiVas 114 using probe(s) generated from known nickel resistance determinants (cnr/ ncc/ nrel nerí nir). under conditions of low stringency, produced no detectable signal except for cnrA gene of Ralstonia metallidurans CH34 (formerly Alcaligenes eutropha CH34) in which weak hybridization signal occurred. Based on 16S rRNA gene sequence similarity, strain NiVas 114 was identified as a member of y Proteobacteria, and the nearest phylogenetic relatives are Enterobacter hormaechei (98.6-98.5%) and Enterobacter cloacae (97.5-98.2 %). In the phylogenetic trees constructed with nucleotide sequence of 16S rRNA gene, hsp60 gene and rpoB gene, strain NiVas 114" clustered with the subspecies of Enterobacter hormaechei. The strain showed DNA-DNA relatedness of 60 -63% with Enterobacter hormaechei subsp hormaechei, Enterobacter hormaechei subsp. oharae, Enterobacter hormaechei subsp. steigerwalti Enterobacter cloacae subsp. cloacae and Enterobacter cloacae subsp. dissobvens. The isolate NiVas 114 differed from the nearest phylogenetic relatives in terms of number of phenotypic characteristics. The G+C content of the genomic DNA of the isolate was 59.5 +0.4 mol %. The predominant cellular faty acids of the isolate are C160, Summed feature 3 (comprises C16wTel 15 io 201) and C 18 w7ei hydroxy fatty acids are found in minor quantities. Thus, on the basis of biochemical characteristics, fatty acid profiles, DNA-DNA relatedness and phylogenetic analysis, the isolate was recognized as a novel species of Enterobacter. for which the name Enterobacter nickellidurans sp. nov. is proposed with the type strain NiVas 114' (= LMG 23000 = CcUGSO594"= JCM13045").
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Dey, Arpita. « A New Ornamental Species of Snakehead Fish (Teleostei : Channidae) from River Torsa of West Bengal, India ». International Journal of Pure & ; Applied Bioscience 6, no 6 (31 décembre 2018) : 497–503. http://dx.doi.org/10.18782/2320-7051.7131.

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Koushlesh, S. K., A. Sinha, K. Kumari, S. Borah, T. N. Chanu, R. Baitha, S. K. Das et al. « Length-weight relationship and relative condition factor of five indigenous fish species from Torsa River, West Bengal, India ». Journal of Applied Ichthyology 34, no 1 (6 octobre 2017) : 169–71. http://dx.doi.org/10.1111/jai.13518.

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Saha, Ujwal Deep, et Soma Bhattacharya. « Development of Channel Characteristics during Post-Avulsion Period-A Case Study on a Part of Torsa River, West Bengal ». Asian Journal of Research in Social Sciences and Humanities 6, no 6 (2016) : 225. http://dx.doi.org/10.5958/2249-7315.2016.00208.2.

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Thèses sur le sujet "River Torsa"

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Bhaskar, Bhadra. « Identification of nickel resistance genes in suitable Gram-negative bacterial isolates with reference to the physio-chemical and sanitary status of river Torsa ». Thesis, University of North Bengal, 2005. http://hdl.handle.net/123456789/932.

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Mukherjee, Shriparna. « Studies on antibiotic resistance patterns of bacterial population of Torsa river water and molecular characterization VIS-A-VIS assessing the potential for genetic exchange of resistance plasmids ». Thesis, University of North Bengal, 2005. http://hdl.handle.net/123456789/919.

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Chapitres de livres sur le sujet "River Torsa"

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Saha, Ujwal Deep, Md Juber Alam, Soma Bhattacharya et Arijit Majumder. « Nature of Flood and Channel Sedimentation in the Torsa River : A Hydro-Geomorphic Study ». Dans Springer Geography, 37–61. Cham : Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21086-0_3.

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Sinha, Archana, Satish Kumar Koushlesh, Kavita Kumari, T. Nirupada Chanu, Aparna Roy et Pranab Gogoi. « Diversity and Threat to Cold-Water Fishes of the Torsa River at the Terai Region of West Bengal, India ». Dans Fisheries and Aquaculture of the Temperate Himalayas, 61–79. Singapore : Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8303-0_5.

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Dey, Sourav, et Sujit Mandal. « Assessing Channel Migration, Bank Erosion Vulnerability and Suitable Human Habitation Sites in the Torsa River Basin of Eastern India Using AHP Model and Geospatial Technology ». Dans Geography of the Physical Environment, 635–54. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04532-5_33.

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Tester, Patricia A., et Jefferson T. Turner. « Comparative carbon-specific ingestion rates of phytoplankton by Acartia tonsa, Centropages velificatus and Eucalanus pileatus grazing on natural phytoplankton assemblages in the plume of the Mississippi River (northern Gulf of Mexico continental shelf) ». Dans Biology of Copepods, 211–17. Dordrecht : Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3103-9_19.

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Labunski, Richard. « The Road to Richmond ». Dans James Madison and the Struggle for the Bill of Rights, 24–47. Oxford University PressNew York, NY, 2006. http://dx.doi.org/10.1093/oso/9780195181050.003.0004.

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Abstract The Drought that Plagued Richmond in the days leading up to the con vention may have been devastating to local farmers, but it made travel easier. With so little rain, rivers and creeks could be crossed on horse back. The city had few bridges, and if heavy rainfall had preceded the convention, some delegates would not have made it to the opening ses sions. From the hills overlooking the city, local residents could see clouds of dust as hundreds of horses made their way along parched roads lead ing to town. On horseback and in carriages, some of the most important political figures of the founding period, along with hundreds of specta tors who wanted to hear the debate, made their way to the state capital.
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Cumbler, John T. « Farmers, Fishers, and Sportsmen ». Dans Reasonable Use. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195138139.003.0014.

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At the end of the nineteenth century, Edward Bellamy, one of the Connecticut River Valley’s most famous literary residents, created a fictional character who wanted to avoid “industrial existence” and instead “all day to climb these mighty hills, feeling their strength” and to “happen upon little brooks in hidden valleys.” Bellamy planned for his protagonist “to breathe all day long the forest air loaded with the perfume of the forest trees.” The wanderings of this turn-of-the-century fictitious character through thick forests and deserted hills reflects the changes engendered in the valley with the coming of industrial cities and the abandonment of hillside farms. When Bellamy was born in 1850 at Chicopee Falls in western Massachusetts, the region was in the process of deforestation and had few areas that were not intensely farmed. Yet as Bellamy himself noted in an 1890 letter to the North American Review, “the abandonment of the farm for the town” had become all too common. Deserted farms became one of the themes Bellamy sketched out in his notes for the novel. Bellamy had his character live in an “abandoned farmhouse. . . . The farmhouse was one of the thousands of deserted farms that haunted the roadsides of the sterile back districts of New England.” In viewing the depopulated countryside as a retreat from industrial existence, Bellamy’s character represented the fate of late-nineteenthand early-twentieth-century New Englanders. Increasingly, urbanized New Englanders began to look to rural areas not as sources of food or resources of necessity but as places to contemplate nature and practice fishing and hunting as sport. As rural areas, particularly on the hills and up the valleys, became less populated, farmers there lost much of their political voice. New city voices now became more important in the conversation about resource conservation. What farmers saw as abandoned and ruined farms, urban and suburban naturalists saw as rural retreats from the tensions and pollution of the cities. For these interlopers, rural New England represented a romantic ideal of a past they or their ances tors put behind them when they moved to the city.
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« Chapter Physical environment and climate ........................................ Section 6.1 co-written with Robert Randolph Section 6.2 co-written with James Rider Section 6.3 co-written with Janet Torma-Krajewski Section 6.4 co-written with Tammy Eger ». Dans Human Factors for the Design, Operation, and Maintenance of Mining Equipment, 95–122. CRC Press, 2016. http://dx.doi.org/10.1201/9781439802335-10.

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Actes de conférences sur le sujet "River Torsa"

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Ethier, Pierre. « 2-Skate-Single-Track-Vehicle with Zero-Fork-Angle & ; Zero-Trail & ; Zero-Power : Tested for Rideability, Phase-Lag and Steady-State-Lean-Angles ». Dans The Evolving Scholar - BMD 2023, 5th Edition. The Evolving Scholar - BMD 2023, 5th Edition, 2023. http://dx.doi.org/10.59490/645be2c02d0b52c3ea6fba8d.

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The 2-Skate was tested but the rider might have been a circus acrobat. So the present study aimed at determining if ordinary persons can ride it with confidence, with the same phase lag between torso and vehicle leaning when slaloming, and the same torso and vehicle lean angles in steady state curves as predicted. 12 riders tested the 2-Skates and on their first trial, they could ride it and go slaloming. Phase lag and lean angle were as predicted by the Torso-Arms-Handlebar Steering Theory presented by Ethier, with differential non-holonomic and servomechanism system equations. This confirmation (a) sheds light on how bicycles are steered, (b) clarifies that Countersteering is done automatically at low speeds, (c) supports and clarifies the way mountain bike steering is taught, (d) suggests a slight modification in teaching motorcycle Countersteering, (e) can be used to develop different approachs to 2-Wheeler simulators, (f) and can renew interest for motorcycles with seat belts and protective structure like the BMW-C1 and the award winning Peraves e-Tracer.
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Ethier, Pierre. « 2-Skate-Single-Track-Vehicle without Fork-Angle, Trail or Power : Tested for Rideability, Phase-Lag and Steady-State-Lean-Angles ». Dans The Evolving Scholar - BMD 2023, 5th Edition. The Evolving Scholar - BMD 2023, 5th Edition, 2023. http://dx.doi.org/10.59490/650cca2558188997500ece37.

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A 2-Skate, short for a Two-Inline-Ice-Skates-Single-Track-Vehicle, was built to show that without wheels, gyroscopic effects, fork angle, trail and power-to-the-wheels, a person could ride it. But the rider might have been a circus acrobat that can also sit backwards on his bicycle handlebar, and pedal while juggling and turning around in a circle. So this current study aimed at determining if normal persons can ride the 2-Skate with confidence, with the same phase lag between torso and vehicle leaning while slaloming, and the same torso and vehicle lean angles in steady state curves as predicted. A protocol was designed and 13 independent riders tested the 2-Skates. On their first trial, with the exception of a 79 year old, they could all ride it and go slaloming. Three did the phase lag and lean angle tests and obtained similar results, confirming the prediction of the Torso-Arms-Handlebar Steering Theory first presented by Ethier (1974), with differential non-holonomic and servomechanism system equations, and further explained on the web with access to recently revised equations. This confirmation (a) sheds light on how bicycles are steered, (b) clarifies that Countersteering is done automatically at low speeds, (c) supports and clarifies the way mountain bike steering is taught, (d) suggests a slight modification of the way motorcycle Countersteering is taught, (e) can be used to develop a different approach to 2-Wheeler simulators, (f) and can renew interest for motorcycles with seat belts and protective structure like the BMW-C1, and the closed-cabin electric motorcycles like the ultra-low drag and award winning Peraves e-Tracer.
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Mazur, O. E. « NEW DATA ON THE INFECTION OF FISH WITH HEMOFLAGELLATES (PROTOZOA : KINETOPLASTEA) IN SOME WATER BODIES OF BURYATIA (EASTERN SIBERIA) ». Dans THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant – a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV”, 2023. http://dx.doi.org/10.31016/978-5-6048555-6-0.2023.24.262-267.

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New data were received on infection with Kinetoplastida of the family Trypanosomatidae in fish of various taxonomic groups in lakes in the Republic of Buryatia (Eastern Siberia). Kinetoplastids of the genus Trypanosoma recorded in the river perch, common pike, sand sculpin, Siberian loach, crucian carp, and Siberian roach were characterized by the greatest host diversity. The roach (Gusinoe Lake) is recorded for the first time for the Baikal basin as a host for hemoflagellates of this genus. Blood parasites of the genus Trypanoplasma were found in 3 fish species: the pike, perch, and sand sculpin. A clear trend was noted for the increasing infection level in the perch and pike of Gusinoe Lake over a 40-year period. The dace, Amur carp, Amur catfish, burbot, Amur sleeper, and common minnow from Gusinoe Lake were free from blood parasites Trypanosoma sp. and Trypanoplasma sp. Kinetoplastids were not found in roaches from Tsaidam, Shchuchye, Torma, Kotokelskoe and Bolshoye Kicherskoe Lakes. The analysis showed no infection with kinetoplastids in the roach, dace, Baunt whitefish, humpback whitefish, Siberian cisco, perch, burbot, ruff, and pike in the reservoirs of the Baunt Lakes system (Bolshoe Kopylyushi Lake, Maloe Kopylyushi Lake, Baunt Lake, the Lena basin), and crucian carp in reservoirs Klyukvennaya Pad, Cheremukhovoye Lake and Nikitkino Lake (Baikal basin).
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de Araújo Oliveira, Chrys. « O CONCEITO LEFEBVRIANO DE FORMA NO ESPAÇO RIBEIRINHO. Um estudo sobre o bairro do Elesbão, em Santana (AP) ». Dans Seminario Internacional de Investigación en Urbanismo. Universitat Politècnica de Catalunya, Grup de Recerca en Urbanisme, 2022. http://dx.doi.org/10.5821/siiu.12205.

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This article intends to understand Henri Lefebvre's concept of form, observing the form-content relationship that is engendered in the conformation of urban spaces, especially when thinking about Amazonian urbanities. The case study in the Elesbão neighborhood, in Santana (AP), is used to point the hypothesis that Amazonian subjectivities build different territorialities that, above all, do not fit into the urban and rural dichotomy of the discipline of urbanism, which makes it pertinent another view to the riverside spaces. Thus, the research occoured since the analysis of the place from field visits and dialogue with local residents, along with a bibliographic conceptual review that points the addressed discussion. In addition, as a result of the research, the urban differences between Santana’s downtown and the Elesbão neighborhood is beyond the spatial conformation of the place that is born on the banks of the Amazon River, but in its cultural, social and economic aspects, and discussing them is essential to take the debate of the urban Amazon out of the margins. Keywords: riverside territory, Henri Lefebvre, urban Amazon, urban form. O presente artigo intenta compreender o conceito de forma de Henri Lefebvre vislumbrando a relação forma-conteúdo que se engendra na conformação de espaços urbanos, em especial quando se pensa em urbanidades amazônicas. Utiliza-se o estudo de caso no Bairro do Elesbão, em Santana (AP) para tensionar a hipótese de que as subjetividades amazônicas constroem diferentes territorialidades que, sobretudo, não se encaixam na dicotomia urbano e rural da disciplina do urbanismo, o que torna pertinente outro olhar para os espaços ribeirinhos. Assim, o desenvolvimento da pesquisa deu-se por análise do local a partir de visitas de campo e diálogos feitos com moradores locais, conjuntamente com a revisão bibliográfica conceitual que fundamenta a discussão abordada. Ademais, como resultado da pesquisa, tem-se que as diferenças urbanas entre o centro de Santana e o bairro do Elesbão estão para além da conformação espacial do local que nasce da beira do Rio Amazonas, mas em seus aspectos culturais, sociais e econômicos, e discuti-los é essencial para retirar das margens o debate sobre a Amazônia urbana. Palavras-chave: território ribeirinho, Henri Lefebvre, Amazônia urbana, forma urbana.
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