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Journal articles on the topic 'Sparsely and densely populated areas'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Burakov, Anton, Ivan Vorobjev, Irina Semenova, et al. "Persistent growth of microtubules at low density." Molecular Biology of the Cell 32, no. 5 (2021): 435–45. http://dx.doi.org/10.1091/mbc.e20-08-0546.

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We describe a novel mechanism for regulation of microtubule dynamics that relates the behavior of microtubules to their local density. In densely populated areas of cytoplasm, microtubules display dynamic instability, whereas in sparsely populated areas they persistently grow. This behavior allows them to rapidly fill nascent areas of cytoplasm.

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Pesciaroli, Michele, Alessandro Bellato, Alessandra Scaburri, Annalisa Santi, Alessandro Mannelli, and Silvia Bellini. "Modelling the Spread of Foot and Mouth Disease in Different Livestock Settings in Italy to Assess the Cost Effectiveness of Potential Control Strategies." Animals 15, no. 3 (2025): 386. https://doi.org/10.3390/ani15030386.

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Foot and Mouth disease (FMD) transmission is strongly related to the distribution and density of FMD-susceptible animals. In this study, we applied a model to simulate the spread of FMD in three Italian regions with different livestock demographics (densely, medium, and sparsely populated) in order to assess the cost effectiveness of the disease control options within the framework of the Italian contingency plan. The results of the simulations showed that stamping-out was sufficient to control the outbreak in the sparsely and medium populated areas whereas, in densely populated areas, only va

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Ukoha, P. A., S. J. Okonkwo, and A. R. Adewoye. "Evaluation of the Impact of Urban Forestry on Urban Heat Island." Journal of Applied Sciences and Environmental Management 27, no. 5 (2023): 893–98. http://dx.doi.org/10.4314/jasem.v27i5.1.

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The purpose of this study is to statistically evaluate the impact of urban forestry on urban heat Island in Umuahia city, located in Eastern Nigeria using Land Surface Temperature (LST) time series. The LST datasets were extracted from the Moderate Resolution Imaging Spectroradiometer (MODIS, MYD11A2 V6) satellite using Python and JavaScript in Google Earth Engine (GEE) platform. Two microclimate environments were considered namely: The Densely and sparsely populated areas in three different locations each. Each microclimate location had 976 observations starting from the 18th of February 2000

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Har\dharson, Ómar S., and Einar Örn Hreinsson. "The construction of Minor Statistical Output Areas in Iceland." Statistical Journal of the IAOS 37, no. 2 (2021): 663–72. http://dx.doi.org/10.3233/sji-200775.

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This paper describes the construction of Minor Statistical Output Areas (MSOAs) in Iceland in preparation for the 2021 Population and Housing Census. It explains how these areas were generated by a partitioning algorithm in the densely populated areas, using pre-existing planning zones as the building blocks or source zones. Approximately a fifth of the MSOAs were constructed manually in the sparsely populated areas by grouping together smaller municipalities and splitting larger localities from the surrounding rural areas.

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O., T. Oginni, L. Rominiyi O., and F. Eiche J. "Comparative Study of Residential Household Energy Consumption in Ekiti State-Nigeria." British Journal of Applied Science & Technology 21, no. 2 (2017): 1–10. https://doi.org/10.9734/BJAST/2017/32374.

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<strong>Aims:</strong> The paper compares the residential household energy consumption pattern between the densely and sparsely populated dwellers on the basis of income level classification with a view to ensuring functional distribution of energy. This study identified, determined and evaluated the various households’ energy choices, quantities and costs of domestic energy consumption and provided a database for documentation. <strong>Place and Duration of Study:</strong> Department of Mechanical Engineering, Federal University of Technology, Akure, Ondo State, Nigeria, between December 2014

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Beillon, Lena Marie, Björn-Ove Suserud, Ingvar Karlberg, and Johan Herlitz. "Does ambulance use differ between geographic areas? A survey of ambulance use in sparsely and densely populated areas." American Journal of Emergency Medicine 27, no. 2 (2009): 202–11. http://dx.doi.org/10.1016/j.ajem.2008.01.012.

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Win, Ei Phyu Sin. "Building Change Detection in Myanmar using Image Processing." International Journal of Multidisciplinary: Applied Business and Education Research 2, no. 2 (2021): 162–69. http://dx.doi.org/10.11594/ijmaber.02.02.11.

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Building change detection makes it is easy to locate buildings from a distance in the sky. They can also observe the development of rural, or urban areas between 10 decade and present. So, higher resolution satellite and aerial pictures are needed to detect buildings. Building shape varies from one to another over the world. Rural areas are sparsely populated, but densely and complexly populated in urban areas. And it is difficult to detect separate buildings from them. To solve obstacles, non-linear filter, line extracting and region thresholding method is used in this research. The test imag

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Jia, Mengwei, Yingsong Li, Fei Jiang, et al. "Spatial Distribution of Urban Anthropogenic Carbon Emissions Revealed from the OCO-3 Snapshot XCO2 Observations: A Case Study of Shanghai." Remote Sensing 17, no. 6 (2025): 1087. https://doi.org/10.3390/rs17061087.

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The accurate quantification of anthropogenic carbon dioxide (CO2) emissions in urban areas is hindered by high uncertainties in emission inventories. We assessed the spatial distributions of three anthropogenic CO2 emission inventories in Shanghai, China—MEIC (0.25° × 0.25°), ODIAC (1 km × 1 km), and a local inventory (LOCAL) (4 km × 4 km)—and compared simulated CO2 column concentrations (XCO2) from WRF-CMAQ against OCO-3 satellite Snapshot Mode XCO2 observations. Emissions differ by up to a factor of 2.6 among the inventories. ODIAC shows the highest emissions, particularly in densely populat

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Hlynsdóttir, Eva Marín. "Local administrative capacity based on the presence of expert staff in municipal city halls and inter-municipal cooperation entities." Veftímaritið Stjórnmál og stjórnsýsla 15, no. 1 (2019): 1–20. http://dx.doi.org/10.13177/irpa.a.2019.15.1.1.

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Local government in Iceland has been through extensive functional reforms in the past three decades. Territorial reforms have been less successful even though the central government has openly aimed to enhance the capacity of the local governments. This study aims to estimate the administrative capacity of Icelandic local governments by estimating the level of expertise in the tasks of planning, education and social service. The findings show that there is a considerable difference with respect to size, as municipalities with more than 3,000 citizens have much higher levels of expertise in com

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Qian, Qian. "Research on the Evaluation Method of Energy Sustainable Development Indicator System Based on Genetic Algorithm and Local Support Vector Regression." Journal of Intelligent Systems and Internet of Things 16, no. 2 (2025): 102–16. https://doi.org/10.54216/jisiot.160208.

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With the acceleration of modern urbanisation, the demand for energy by the state and society is increasing. In order to maintain the sustainable availability of energy, it is necessary to establish an energy sustainability indicator system. To address this issue, this paper proposes an innovative evaluation method for energy sustainability indicator system, which aims to provide a multi-scale and more comprehensive assessment of energy sustainability indicators, as well as to ensure the accuracy and reliability of the evaluation results. This paper proposes to use genetic algorithm and local s

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Dong, Xiangshou, Quanzhi Yuan, Yaowen Kou, Shujun Li, and Ping Ren. "Distribution and Ecological Network Construction of National Natural Protected Areas in the Upper Reaches of Yangtze River." Sustainability 15, no. 2 (2023): 1012. http://dx.doi.org/10.3390/su15021012.

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The upper reaches are an important part of the Yangtze River Basin. The basin area is large and the terrain is complex, covering nearly all types of terrestrial ecosystems. This study sorts out the information of 313 protected areas in the upper reaches of the Yangtze River and uses morphological spatial pattern analysis, a minimum cumulative resistance model, and geospatial indicators to quantitatively analyze the relationship between population density, per capita gross domestic product, and the pattern of protected areas in combination with regional economic and social conditions. Results s

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Cachicatari-Vargas, Elena, Karimen Jetzabel Mutter Cuellar, Wender Florencio Condori Chipana, Flor de Maria Miranda Socasaire, Ángel Acevedo-Duque, and Orfelina Arpasi-Quispe. "The Mental Health of Older Adults in the Densely Populated Areas of Tacna Region—Peru, 2021: Implications of the COVID-19 Information." International Journal of Environmental Research and Public Health 19, no. 18 (2022): 11470. http://dx.doi.org/10.3390/ijerph191811470.

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The purpose of this research was to analyze the implications of exposure to various news channels that broadcast information on COVID-19 and their impact on the mental health of older adults in the sparsely populated area of the Tacna Region during the year 2021. The present study used a descriptive correlational type of quantitative approach on a sample of 389 older adults aged 60 years and over, who were recruited by non-probabilistic convenience sampling. For the application of the survey technique, the instrument used was a questionnaire modified by the authors. In terms of research ethics

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Pickering, Steve, Seiki Tanaka, and Kyohei Yamada. "THE IMPACT OF MUNICIPAL MERGERS ON LOCAL PUBLIC SPENDING: EVIDENCE FROM REMOTE-SENSING DATA." Journal of East Asian Studies 20, no. 2 (2020): 243–66. http://dx.doi.org/10.1017/jea.2020.1.

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AbstractHow are resources distributed when administrative units merge? We take advantage of recent, large-scale municipal mergers in Japan to systematically study the impact of municipal mergers within merged municipalities and, in particular, what politicians do when their districts and constituencies suddenly change. We argue that when rural and sparsely populated municipalities merge with more urban and densely populated municipalities, residents of the former are likely to see a reduced share of public spending because they lost political leverage through the merger. Our empirical analyses

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Cawley, Mary, and Genevieve Nguyen. "Service delivery through partnerships in sparsely populated areas: evidence from France and Ireland." Irish Geography 41, no. 1 (2014): 71–87. http://dx.doi.org/10.55650/igj.2008.110.

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Meeting the service needs of the less well-off and the elderly in areas of low density population remains a perennial problem. Increasingly, partnership between two or more of the state, the private and the voluntary sectors is viewed as a strategy for delivering welfare services, as part of new forms of local governance. Previous research points to the influence of established and new institutional and associated territorial structures on the formation and working of partnerships. This paper examines the role of partnerships in home-based welfare service delivery in France and Ireland; countr

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Vorobiev, A. N. "Mapping the population density of a rarely populated region (the example of the Irkutsk region)." Geodesy and Cartography 946, no. 4 (2019): 32–38. http://dx.doi.org/10.22389/0016-7126-2019-946-4-32-38.

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The principles and methodology of mapping the population density of a sparsely populated area has been developed using the example of the Irkutsk region. For the most part of the Irkutsk region is not characterized by a continuous area settlement, but linear and focal with an extremely rare network of permanent settlements, except for its southern part along the Trans-Siberian railway. Of the three possible types of population density maps there are contours, choropleths and quantitative areas for a rarely inhabited and little populated region, and only the latter type is suitable. The borders

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Peltola, Matti, and Heikki Hämmäinen. "Effect of population density and network availability on deployment of broadband PPDR mobile network service." Digital Policy, Regulation and Governance 20, no. 1 (2018): 78–96. http://dx.doi.org/10.1108/dprg-07-2017-0042.

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Purpose The purpose of the paper is to define the best deployment alternatives for a public protection and disaster relief (PPDR) mobile network service – the implementation alternatives being either a dedicated network, a commercial network or a hybrid of the two network types. The selection criteria are based on the social benefits that the PPDR mobile service is expected to bring to society. The critical parameters are population density and service availability, which both directly relate to the socioeconomic benefits achieved by providing broadband (BB) mobile services in various demograp

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Jung, Haesung, and Dolores Albarracín. "Concerns for others increases the likelihood of vaccination against influenza and COVID-19 more in sparsely rather than densely populated areas." Proceedings of the National Academy of Sciences 118, no. 1 (2020): e2007538118. http://dx.doi.org/10.1073/pnas.2007538118.

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Vaccination yields the direct individual benefit of protecting recipients from infectious diseases and also the indirect social benefit of reducing the transmission of infections to others, often referred to asherd immunity. This research examines how prosocial concern for vaccination, defined as people’s preoccupation with infecting others if they do not vaccinate themselves, motivates vaccination in more and less populated regions of the United States. A nationally representative, longitudinal survey of 2,490 Americans showed that prosocial concern had a larger positive influence on vaccinat

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Dobretsova, Elena, Irina Arshukova, Tatiana Dugina, and Igor Akulin. "Shortage of doctors in remote and sparsely populated areas: Ways to improve the situation." Vestnik of Saint Petersburg University. Medicine 17, no. 1 (2022): 43–52. http://dx.doi.org/10.21638/spbu11.2022.105.

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A shortage of physicians and a rural-urban imbalance in the distribution of health professionals are widespread problems nowadays. Medical graduates are considered as a next generation of doctors, but many of them do not choose medical career after graduation, particularly in the regions with low population density and severe climate. This study was conducted to find possible options to prevent further shortage of primary care physicians in remote areas based on the medical graduates’ opinions, and search the factors that influence their decision to work in practical medicine positively. A cro

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Moore, Matthew D. "Firearm Prevalence and Homicide." Criminal Justice Review 42, no. 3 (2017): 315–26. http://dx.doi.org/10.1177/0734016817724198.

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Examinations of firearm prevalence and crime have produced mixed results. The mixed research results and lack of knowledge about the amount of firearms in the United States make it difficult for researchers to assess the role that firearm prevalence plays in crime. The current analysis argues that the equivocal results could be due to location type because different locations may define the use and ownership of a firearm in different ways. Densely packed urban centers may be affected by firearm prevalence differently than sparsely populated rural areas. The current analysis created metro, nonm

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Collineau, Lucie, Annette Backhans, Jeroen Dewulf, et al. "Profile of pig farms combining high performance and low antimicrobial usage within four European countries." Veterinary Record 181, no. 24 (2017): 657. http://dx.doi.org/10.1136/vr.103988.

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Pig farmers are strongly encouraged to reduce their antimicrobial usage because of the rising threat from antimicrobial resistance. However, such efforts should not compromise the herd health status and performance. This study aimed to describe the profile of so-called ‘top-farms’ that managed to combine both high technical performance and low antimicrobial usage. A cross-sectional study was conducted among 227 farrow-to-finish farms in Belgium, France, Germany and Sweden. Among them, 44 farms were allocated to the top-farms group and were compared with the ’regular’ farms group in terms of fa

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Lunochkin, Andrei. "The Influence of Railways on the Economy of the North East of the Don Host Region (60s – 90s of the 19th Century)." Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 4. Istorija. Regionovedenie. Mezhdunarodnye otnoshenija, no. 4 (September 2019): 34–44. http://dx.doi.org/10.15688/jvolsu4.2019.4.3.

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Introduction. The article deals with the issue of the influence of the railways built in the 1860s – 1890s in the northeast of the Don Cossack Host Region on the economic development of this region. Methods. Published reports of railway joint-stock companies and archival statistical materials, observations of contemporaries show that this influence was ambiguous. Analysis and results. Gryaz-Tsaritsyn railway, which passed through the densely populated and fertile areas of Khopyorsky and Ust-Medveditsky districts, had the most positive impact on the economy. As a result, grain and livestock pro

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Le Tourneau, François-Michel. "Uninhabited, Unused, Untravelled, or Uncharted? Sparsely or Unpopulated Areas and Gridded Population Data." Cartographica 59, no. 3 (2024): 79–94. https://doi.org/10.3138/cart-2023-0018.

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Gridded data sets representing the distribution of the human population are increasingly available globally today. If most of the attention they draw is directed toward inhabited areas, in this article, the authors turns to very sparsely or unpopulated areas, which allow for a renewed exploration of their reality and a reflection on the essence of ”unpopulatedness.” To do so, the author reflects on the multiplication of gridded population data sets and the methods used to produce them, using unpopulated areas as a revealing factor of the limits of algorithms. In the second part, different geog

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Mauntel, Christoph. "Die Bewältigung der Welt." Zeitschrift für Historische Forschung: Volume 46, Issue 3 46, no. 3 (2019): 443–81. http://dx.doi.org/10.3790/zhf.46.3.443.

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Summary Coping with the World. How Medieval Latin Authors Described the Size and Density of World’s Population This paper takes a dual approach to the topic of medieval demographic thinking between the 13th and 15th century. In a first step, the analysis focusses on travel accounts (e. g. those of John of Plano Carpini, William of Rubruk and Marco Polo) and their depiction of foreign regions and populations. Many Latin Christian travellers shared the impression that the Mongolian steppe was only sparsely populated, quite in contrast to the urban centres in eastern China, which they described i

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Fikri, Ishlahul, Etty Riani, and Syahril Nedi. "Marine Tourism Suitability Index in the Padang Beach Tourism Area, West Sumatra." Jurnal Penelitian Pendidikan IPA 10, no. 3 (2024): 1281–91. http://dx.doi.org/10.29303/jppipa.v10i3.5109.

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This research was conducted to determine the suitability of marine tourism conditions for the beach recreation category in order to ensure the sustainability of marine tourism, as Kawasan Wisata Pantai Padang is frequently visited by both domestic and international tourists. This can increase anthropogenic activities in the area and lead to a significant amount of marine debris, especially plastic waste, thus potentially compromising the aesthetic value of the tourist beach and even causing environmental pollution and negative impacts on humans. The collection of IKW data employs the purposive

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Nieto-Sobrino, María, David Díaz, Montfragüe García-Mateos, Álvaro Antón Sancho, and Diego Vergara. "Incidence of Bullying in Sparsely Populated Regions: An Exploratory Study in Ávila and Zamora (Spain)." Education Sciences 13, no. 2 (2023): 174. http://dx.doi.org/10.3390/educsci13020174.

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In this work, quantitative research on the incidence of bullying attitudes present among primary and secondary school students in a Spanish area with a very low population density (the one formed by the provinces of Avila and Zamora) was carried out. The data were obtained from a standardized test designed to diagnose bullying (AVE test: Acoso y Violencia Escolar—Bullying and School Violence), which was administered to a sample of 129 students between 9 and 15 years of age in the area. The answers of the participants were statistically analyzed, using both descriptive and inferential technique

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Bankoff, Greg. "Big Fish in Small Ponds: The Exercise of Power in a Nineteenth-century Philippine Municipality." Modern Asian Studies 26, no. 4 (1992): 679–700. http://dx.doi.org/10.1017/s0026749x00010027.

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The basic administrative unit in the Spanish Philippines was the pueblo or municipal township. The pueblo encompassed both settled and unsettled districts within its geographical boundaries. The town centre Known as the población was the largest single residential zone within the municipality but was surrounded by smaller satellite communities. Beyond these areas of settlement were the sparsely populated regions of swamp, forest, plain or mountain. Size varied enormously both in geographical extent and population density from a few hundred families clustered in a single village or barangay in

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Vega Naranjo, Juan Miguel, Rafael González-Escobar, Montaña Jiménez-Espada, and Jonathan Galeano Vivas. "Resilience of Interurban Public Transport and Impact of COVID-19 on Rural Connectivity in Sparsely Populated Regions." Land 13, no. 11 (2024): 1778. http://dx.doi.org/10.3390/land13111778.

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The aim of this research consisted of assessing the effects of the COVID-19 pandemic on the interurban public transport system in a rural region with a sparse population density, considering the number of tickets sold and passengers in each locality, as well as the different connecting lines. From a methodological point of view and with the intention of identifying patterns to explain the behaviour of both the routes and passengers, a series of variables were selected, becoming determining factors that sought to offer a solution to the search for a common trend. Additionally, data processing b

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Mitroshin, Igor. "Regional Income and Consumer Expenditure Specifics of the Canadian Population." Ideas and Ideals 16, no. 1-2 (2024): 291–308. http://dx.doi.org/10.17212/2075-0862-2024-16.1.2-291-308.

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In the confrontation between the global West and the global South, Russia found itself directly on the fault line. The confrontation leads to changes in the world economy, which, of course, have an impact on the standard of living of the population. It becomes relevant to study this inﬂuence, both in Russia and in countries that impose economic sanctions against it. This study provides a brief analysis of household income and consumption expenditure in Canada for 20002022 across the provinces of the country. Based on the data obtained, a high degree of social support for Canadian citizens from

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Nummela, Olli P., Tommi T. Sulander, Heikki S. Heinonen, and Antti K. Uutela. "Self-rated health and indicators of SES among the ageing in three types of communities." Scandinavian Journal of Public Health 35, no. 1 (2007): 39–47. http://dx.doi.org/10.1080/14034940600813206.

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Aims: This paper examines associations between self-rated health, three indicators of SES (self-reported education, disposable household income, adequacy of income) and three types of communities (urban, densely or sparsely populated rural areas) among ageing men and women in the Province of Päijät-Häme, Southern Finland. There is a lack of knowledge regarding the magnitude of community type when examining the relation between subjective health and SES. Methods: Cross-sectional questionnaire data gathered in the spring of 2002 for a prospective follow-up of community interventions were used. T

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Sitányiová, Dana, Soňa Masarovičová, Daniele Berselli, and Antonio Nicolini. "Strategies to link rural areas to European and national transport networks." MATEC Web of Conferences 196 (2018): 04020. http://dx.doi.org/10.1051/matecconf/201819604020.

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Transport capacity is very important indicator of country’s economic power reflecting its economic development. All means of transport must be efficient and able to transport goods and people as cheaply and quickly as possible. This requires constant upgrading of transport networks often with limited budget. This is a problem especially in rural areas, where population density is very low and there are difficulties in providing transport links between cities and rural communities. It is very expensive to upgrade transport network and also to ensure public transport services there. Individual c

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Muoneke, Chukwudum Theophilus. "Exploring the Dynamics of Housing Demand Preferences in Ilorin, Nigeria." South Asian Journal of Social Studies and Economics 21, no. 6 (2024): 126–36. http://dx.doi.org/10.9734/sajsse/2024/v21i6838.

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This study investigates housing demand preferences in Ilorin, one of Nigeria's rapidly growing metropolises. Ilorin presents a unique case for urban housing analysis, covering an area of approximately 100 km² and situated between the densely populated southwest and the sparsely populated middle belt. Using a mixed-method approach, data were collected through a survey of 494 individuals, document analysis, and field observations. Respondents were selected using a stratified random sampling technique, ensuring representation from Ilorin East, Ilorin South, and Ilorin West. The survey focused on

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Cheng, Vincent Y. S., George B. Arhonditsis, David M. L. Sills, et al. "Probability of Tornado Occurrence across Canada." Journal of Climate 26, no. 23 (2013): 9415–28. http://dx.doi.org/10.1175/jcli-d-13-00093.1.

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The number of tornado observations in Canada is believed to be significantly lower than the actual occurrences. To account for this bias, the authors propose a Bayesian modeling approach founded upon the explicit consideration of the population sampling bias in tornado observations and the predictive relationship between cloud-to-ground (CG) lightning flash climatology and tornado occurrence. The latter variable was used as an indicator for quantifying convective storm activity, which is generally a precursor to tornado occurrence. The CG lightning data were generated from an 11-yr lightning c

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Anderson, Christopher J., Christopher K. Wikle, Qin Zhou, and J. Andrew Royle. "Population Influences on Tornado Reports in the United States." Weather and Forecasting 22, no. 3 (2007): 571–79. http://dx.doi.org/10.1175/waf997.1.

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Abstract The number of tornadoes reported in the United States is believed to be less than the actual incidence of tornadoes, especially prior to the 1990s, because tornadoes may be undetectable by human witnesses in sparsely populated areas and areas in which obstructions limit the line of sight. A hierarchical Bayesian model is used to simultaneously correct for population-based sampling bias and estimate tornado density using historical tornado report data. The expected result is that F2–F5 compared with F0–F1 tornado reports would vary less with population density. The results agree with t

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Bagan, Hasi, Habura Borjigin, and Yoshiki Yamagata. "Assessing nighttime lights for mapping the urban areas of 50 cities across the globe." Environment and Planning B: Urban Analytics and City Science 46, no. 6 (2018): 1097–114. http://dx.doi.org/10.1177/2399808317752926.

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Nighttime data from the Defense Meteorological Satellite Program Operational Linescan System have been widely used to map urban/built-up areas (hereafter referred to as “built-up area”), but to date there has not been a geographically comprehensive evaluation of the effectiveness of using nighttime lights data to map urban areas. We created accurate, convenient, and scalable grid cells based on Defense Meteorological Satellite Program/Operational Linescan System nighttime light pixels. We then calculated the density of Landsat-derived built-up areas within each grid cell. We explored the relat

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Zhang, Yuying, Rongjin Yang, Xiuhong Li, et al. "Designing a Sustainable Development Path Based on Landscape Ecological Risk and Ecosystem Service Value in Southwest China." Sustainability 15, no. 4 (2023): 3648. http://dx.doi.org/10.3390/su15043648.

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Rapid urban expansion and economic development lead to the deterioration of ecosystems, which not only aggravates regional ecological risks but also leads to the degradation of ecosystem functions. It is of great significance to rationally divide regions and provide targeted management strategies for realizing the sustainability of regional economic development and ecological maintenance. Taking southwest China (Sichuan, Yunnan, Guizhou and Chongqing) as an example, land use data from 2000, 2010 and 2020 were used to evaluate the value of landscape ecological risk (LER) and ecosystem services,

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Pozhidaeva, Elena Sergeevna. "ASSESSMENT OF SPATIAL ORGANIZATION OF AGRICULTURE AS A BASIS FOR DEVELOPMENT, LOCATION AND DEEPENING OF SPECIALIZATION OF AGRICULTURAL PRODUCTION." Scientific Review: Theory and Practice 12, no. 3 (2022): 360–72. http://dx.doi.org/10.35679/2226-0226-2022-12-3-360-372.

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The article discusses the dynamics of the transformation of the spatial structure of the location of agricultural production over the period from the beginning of market transformations in the 90s to 2021, and analyzes changes in regional food production over this period. The process of concentration of the main group of regions of the country, which form the basis of the food base of Russia, is revealed. It is concluded that land-intensive industries are shifting and concentrating in areas with available natural and labor resources. On the basis of the analysis carried out, the degree of unif

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Widyaningtyas, Ratna, Mini Ambarwati Kusuma Dewi, Maulyda Shofa Azizia, and Hashfi Hawali Abdul Matin. "Vegetation Density Analysis in Padalarang Bandung Regency Using NDVI Method on Landsat 8 Satellite." Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan 20, no. 2 (2023): 326–33. http://dx.doi.org/10.14710/presipitasi.v20i2.326-333.

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Vegetation is an important component in an ecosystem. Padalarang Sub-District is a sub-district in West Bandung Regency with the smallest area but the most densely populated among other sub-districts in West Bandung, with a density of 3,478 people km2. The purpose of this research is to analyze the level of vegetation density using the Normalized Difference Vegetation Index (NDVI) technique as a consideration, especially for the government regarding development program arrangements. The method used was Landsat 8 image interpretation with NDVI, and the results will be classified according to th

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Feng, Ya-Chien, and Frédéric Fabry. "Quantifying the Error of Radar-Estimated Refractivity by Multiple Elevation and Dual-Polarimetric Data." Journal of Atmospheric and Oceanic Technology 35, no. 10 (2018): 1897–911. http://dx.doi.org/10.1175/jtech-d-18-0008.1.

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AbstractTo properly use radar refractivity data quantitatively, good knowledge of its errors is required. The data quality of refractivity critically depends on the phase measurements of ground targets that are used for the refractivity estimation. In this study, the observational error structure of refractivity is first estimated based on quantifying the uncertainties of phase measurements, data processing, and the refractivity estimation method. New correlations between the time series of phase measurements at different elevation angles and between polarizations are developed to assess the b

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Karunarathne, Ananda, and Gunhak Lee. "Estimating Hilly Areas Population Using a Dasymetric Mapping Approach: A Case of Sri Lanka’s Highest Mountain Range." ISPRS International Journal of Geo-Information 8, no. 4 (2019): 166. http://dx.doi.org/10.3390/ijgi8040166.

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Since populations in the developing world have been rapidly increasing, accurately determining the population distribution is becoming more critical for many countries. One of the most widely used population density estimation methods is dasymetric mapping. This can be defined as a precise method for areal interpolation between different spatial units. In most applications of dasymetric mapping, land use and land cover data have been considered as ancillary data for the areal disaggregation process. This research presents an alternative dasymetric approach using area specific ancillary data fo

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Beconytė, Giedrė, Andrius Balčiūnas, Aurelija Šturaitė, and Rita Viliuvienė. "Where Maps Lie: Visualization of Perceptual Fallacy in Choropleth Maps at Different Levels of Aggregation." ISPRS International Journal of Geo-Information 11, no. 1 (2022): 64. http://dx.doi.org/10.3390/ijgi11010064.

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This paper proposes a method for quantitative evaluation of perception deviations due to generalization in choropleth maps. The method proposed is based on comparison of class values assigned to different aggregation units chosen for representing the same dataset. It is illustrated by the results of application of the method to population density maps of Lithuania. Three spatial aggregation levels were chosen for comparison: the 1 × 1 km statistical grid, elderships (NUTS3), and municipalities (NUTS2). Differences in density class values between the reference grid map and the other two maps we

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Andersson, Maria, and Mona Persenius. "Good in Providing Oral Care, but we Could be Better—Nursing Staff Identification of Improvement Areas in Oral Care." SAGE Open Nursing 7 (January 2021): 237796082110452. http://dx.doi.org/10.1177/23779608211045258.

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Introduction Oral care to older people in short-term care units is a complex and challenging everyday practice for nursing staff. Oral care research and knowledge about prerequisites and obstacles is extensive. However, there is a lack of knowledge about how nursing staff in short-term care units describe their satisfaction about provided oral care in order to maintain older people's oral health. Objective The purpose of this study was to describe how nursing staff perceive their satisfaction of oral care provided for older people in short-term care units and to identify oral care improvements

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García-Casarejos, Nieves, and Luis Antonio Sáez-Pérez. "Internships for Higher Education Students to Promote the Local Sustainability of Rural Places." Sustainability 12, no. 12 (2020): 4926. http://dx.doi.org/10.3390/su12124926.

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Sustainability and population have a complex relationship. Popular versions of the first are usually based on the premise of reducing the population. However, in some remote rural areas with a low density, this condition needs to be reconsidered, as it would put the viability of the local community at risk and lead to environmental, economic and, above all, social losses. Although repopulation is impossible, since remote rural areas have an ageing demographic structure and an extremely low fertility rate, we can propose the regeneration of their human, social and relational capital by attracti

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Wibbenmeyer, Matthew, and Molly Robertson. "The distributional incidence of wildfire hazard in the western United States." Environmental Research Letters 17, no. 6 (2022): 064031. http://dx.doi.org/10.1088/1748-9326/ac60d7.

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Abstract Increases in wildfire activity in the western United States in recent years have led to significant property loss in wildland-urban interface areas, raising difficult questions for policymakers regarding mitigation of wildfire damages and how mitigation costs should be distributed. Yet in spite of increased attention to the distribution of environmental and climate-related risks across socioeconomic groups, and its relevance to current wildfire-related policy debates, the distributional incidence of wildfire hazard is not well understood. This paper fills this gap by combining propert

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Caroline T.W. Chan. "Promoting Vertical Greening in High-rise Residential Buildings within Urban Areas." Pacific International Journal 1, no. 2 (2018): 65–71. http://dx.doi.org/10.55014/pij.v1i2.43.

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Same as many urban cites, Hong Kong is a densely populated area. To improve the residential environment, increase greenery coverage is a viable and economical solution. Despite the widespread interest in the application of vertical greenery, little application has been observed in residential developments in Hong Kong. Most research in vertical greenery focuses on the benefits and technical issues of the system. This study aims to identify the effective strategies to foster vertical greenery implementation in Hong Kong. A questionnaire survey was conducted with 60 architectural practices. Surv

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Iglesias-Merchan, Carlos, Jesús López-Santiago, Rubén Silván-Rico, Roberto San Millán-Castillo, and María Teresa Gómez-Villarino. "Impact of Depopulation on Forest Fires in Spain: Primary School Distribution as a Potential Socioeconomic Indicator." Forests 15, no. 11 (2024): 1938. http://dx.doi.org/10.3390/f15111938.

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Socioeconomic factors are increasingly considered in the study of forest fires. However, there is a gap in the literature on the possible relationship between basic services and infrastructures such as small rural schools and forest fires. Population decline in rural areas is leading to an increase in forest fire risk and social vulnerability to forest fires due to the abandonment of traditional agroforestry practices and the expansion of unmanaged forest canopy. In addition, rural schools are supposed to make rural municipalities livable and promote the people’s sense of community. In paralle

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Степанова, М. А. "The analysis of digital and physical accessibility of educational institutions in remote and sparsely populated areas: the case of the Republic of Sakha (Yakutia)." Arctic XXI century. Humanities, no. 2(28) (June 16, 2022): 40–54. http://dx.doi.org/10.25587/svfu.2022.10.63.004.

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Доступность качественного образования является основным фактором социально-экономического развития региона или страны. Развитие информационно-коммуникационных технологий влияет не только на образовательную сферу, но и на все отрасли, которые играют важную роль для повышения уровня и качества жизни населения. Цифровизация образования отвечает новым глобальным вызовам, создает и совершенствует существующие методики в образовательной системе и развивает электронные средства, используемые в процессе обучения. Малонаселенные и труднодоступные регионы в РФ характеризуются слабым уровнем развития тра

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Arbel, Yuval, Yifat Arbel, Amichai Kerner, and Miryam Kerner. "Is COVID-19 Herd Immunity Influenced by Population Densities of Cities?" Sustainability 14, no. 16 (2022): 10286. http://dx.doi.org/10.3390/su141610286.

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The objective of the current study is to compare between densely and sparsely populated cities in the context of herd immunity against the SARS-CoV-2 virus. The sample refers to 46 (45) densely populated (sparsely populated) Israeli cities and towns, whose population density is below (above) the median of 2388 personssq.km, covering above 64.3% of the entire Israeli population. Findings suggest, on the one hand, a higher projected scope of morbidity per 10,000 persons in sparsely populated cities with zero prevalence of vaccination (37.79 vs. 17.61 cases per 10,000 persons). On the other hand,

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Abdurrahman, Mubarak, Mansur Aliyu Gamawa, Abubakar Abdulkadir, Bala A. M, Jamilu Bala Hamza, and Abubakar Ahmed. "Evaluating Handover Processes in Mobile Networks: Effects on Latency, QoS, and User Experience Across Conditions." Journal of Multidisciplinary Science: MIKAILALSYS 3, no. 1 (2025): 125–32. https://doi.org/10.58578/mikailalsys.v3i1.4631.

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The rapid expansion of mobile networks has revolutionized global communication, enabling seamless connectivity for a growing user base. As networks evolve, efficient handover processes—where mobile devices transition between network cells or base stations—are critical to maintaining uninterrupted service. Poorly optimized handovers can result in increased latency, degraded Quality of Service (QoS), and diminished user experience, especially in advanced networks like 5G that demand low latency and high reliability. This study examines the impact of handover processes on key performance metrics

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Baynes, Jeremy, Anne Neale, and Torrin Hultgren. "Improving intelligent dasymetric mapping population density estimates at 30 m resolution for the conterminous United States by excluding uninhabited areas." Earth System Science Data 14, no. 6 (2022): 2833–49. http://dx.doi.org/10.5194/essd-14-2833-2022.

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Abstract. Population change impacts almost every aspect of global change from land use, to greenhouse gas emissions, to biodiversity conservation, to the spread of disease. Data on spatial patterns of population density help us understand patterns and drivers of human settlement and can help us quantify the exposure we face to natural disasters, pollution, and infectious disease. Human populations are typically recorded by national or regional units that can vary in shape and size. Using these irregularly sized units and ancillary data related to population dynamics, we can produce high-resolu

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Aranburu-Imatz, Alejandra, Hornero Jorge Jimenez, Ignacio Morales-Cané, and Soto Pablo J. López. "Environmental pollution in North-Eastern Italy and its influence on chronic obstructive pulmonary disease: Time series modelling and analysis using visibility graphs." Air Quality, Atmosphere & Health 16, no. 4 (2023): 793–804. https://doi.org/10.1007/s11869-023-01310-7.

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The impact on human health from environmental pollution is receiving increasing attention. In the case of respiratory diseases such as chronic obstructive pulmonary disease (COPD), the relationship is now well documented. However, few studies have been carried out in areas with low population density and low industrial production, such as the province of Belluno (North-Eastern Italy). The aim of the study was to analyze the effect of exposure to certain pollutants on the temporal dynamics of hospital admissions for COPD in the province of Belluno. Daily air pollution concentration, humidity, p

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