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Journal articles on the topic 'Keywords : Population dynamics'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Saeed, Isam S., and Christian M.O. Kapel. "POPULATION DYNAMICS AND EPIDEMIOLOGY OF TOXOCARA CANIS IN DANISH RED FOXES." Journal of Parasitology 92 (June 7, 2006): 1196–201. https://doi.org/10.1645/GE-720R.1.

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Toxocara canis, an intestinal helminth of canids with zoonotic potential, was found in 618 (59%) of 1,040 red foxes (Vulpes vulpes) collected from all Danish provinces (1997-2002). The prevalence and average worm burden were significantly higher for cubs than older foxes and in males than in females. A multiple logistic regression demonstrated that the prevalence was influenced significantly by sex and age of foxes in addition to location, season, and year of collection. The highest prevalence and worm burden were found in rural areas. The size and number of female worms was positively correla

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Jadhav, Mr. Gokul Shamrao, and Dr. Amit Eknath Sonawane. "Population Dynamics of Goats and Sheep in Shevgaon Tehsil, Ahmednagar District: Trends, Challenges, and Opportunities for Sustainable Livestock Farming." International Journal of Advance and Applied Research 6, no. 25(A) (2025): 128–33. https://doi.org/10.5281/zenodo.15301172.

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<strong>Abstract:</strong> Livestock farming plays a crucial role in India's agrarian economy, with goats and sheep serving as key sources of income and nutrition for rural communities. This study examines the population dynamics of goats and sheep in Shevgaon Tehsil, Ahmednagar District, from 2012 to 2019, highlighting trends, challenges, and opportunities in livestock farming. The findings reveal a 30.8% decline in the sheep population, attributed to reduced wool demand, limited grazing land, and lower profitability. In contrast, the goat population surged by 98.4%, driven by increasing dema

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Kumar, Rakesh, Bharti Saxena, Ritu Shrivastava, and Ramakant Bhardwaj. "Mathematical Modeling of Dengue Disease Transmission Dynamics." Indian Journal Of Science And Technology 17, no. 39 (2024): 4101–10. http://dx.doi.org/10.17485/ijst/v17i39.1526.

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Objectives: This study developed a compartmental ordinary differential equation model to investigate dengue transmission dynamics within a human population. The model stratified the population into susceptible, exposed, infected, and recovered classes, incorporating key epidemiological factors. Methods: Model equilibrium analysis was conducted to determine the stability of disease-free and endemic states. The basic reproduction number (R₀) was calculated to quantify the potential for disease spread. Additionally, sensitivity analysis was performed to assess the impact of key parameters on mode

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4

May-Collado, Laura, Kristin Rasmussen, Jose David Palacios Alfaro, and Frank Garita Alpizar. "First record of humpback whales in the Caribbean coast of Costa Rica." Latin American Journal of Aquatic Mammals 19, no. 2 (2024): 231–36. http://dx.doi.org/10.5597/lajam00335.

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Silva, Anna Clara Balbina, and Afonso Pelli. "Estado Atual de Conhecimento de Dinâmica de Populações." Ensaios e Ciência: Ciências Biológicas, Agrárias e da Saúde 23, no. 3 (2019): 256. http://dx.doi.org/10.17921/1415-6938.2019v23n3p256-261.

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Compreender os mecanismos que regulam a dinâmica das populações espacialmente estruturadas é um desafio crítico para os ecólogos e gestores de conservação. A dinâmica de populações é um ramo da ecologia que estuda as populações como sistema em atividades, relacionando as influências ambientais com a distribuição e abundância dos indivíduos e suas interações com o ambiente. O presente artigo é uma revisão bibliográfica, com o objetivo de identificar produções científicas relevantes sobre dinâmica populacional. Para isso, foram utilizados periódicos revisados por pares, na base de Periódicos Cap

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Saha, Raja. "A Comprehensive Review of Indian Stray Dogs." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 06 (2025): 1–9. https://doi.org/10.55041/ijsrem50782.

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Indian stray dog (Canis lupus familiaris) population is a component of India's free-roaming dog population, influencing public health, urban ecological processes, and social dynamics. This review critically assesses their ecological roles, behavioural adaptations, health concerns, and human interactions, along with socio-cultural perceptions and policy issues. The focus is on the complexities of stray dog population management in India, the research gaps, and proposing evidence-based solutions to sustainable management that balance public safety, animal welfare, and ecological balance. Keyword

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Willie, Michael, and Sipho Kabane. "Longevity, Chronic Conditions and Ageing Dynamics: A Mathematical Reliability Perspective. Review." issue 2 2024, no. 2 2024 (April 11, 2024): 39–50. http://dx.doi.org/10.47855/jal9020-2024-5-5.

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Background: Understanding the relationship between ageing and chronic diseases becomes crucial as global demographics shift towards an increasingly aged population. Aim: The primary objective of this review is to explore various theories of ageing and their implications for chronic disease prevalence in ageing populations. Methods: The study design entailed a comprehensive literature search to collect pertinent papers and theories on ageing, chronic diseases, and dependability theory. Various databases were employed to ascertain crucial insights and discoveries in this domain. Results: The rev

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Hasman, Hasman, Sudirman Baco, and Zulkharnaim Zulkarnaim. "Dynamics and Population Structure of Bali Cattle Partnerships Maiwa Breeding Center (MBC) in Barru Regency." Hasanuddin Journal of Animal Science (HAJAS) 3, no. 1 (2021): 26–34. http://dx.doi.org/10.20956/hajas.v3i1.14587.

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This study aims to determine the population dynamics, population structure, and increase of Bali cattle population Maiwa Breeding Center partnerships in Barru Regency. This research was conducted from March to April 2020 in Barru Regency, South Sulawesi. The Reproductive Efficiency of Bali cattle was 91%. Population dynamics were only influenced by the calving, mortality, and sale of livestock, with the growth of 27% (2019) and 31% (2020). The population structure was dominated by cows, 31% (2018), 48% (2019), and 54% (2020). Natural Increase (NI) of livestock was 17% (2018), 28% (2019) and 20

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9

Reperant, Leslie A., Daniel Hegglin, Claude Fischer, Lucia Kohler, Jean-Marc Weber, and Peter Deplazes. "Influence of urbanization on the epidemiology of intestinal helminths of the red fox (Vulpes vulpes) in Geneva, Switzerland." Parasitology research 101, no. 3 (2007): 605–11. https://doi.org/10.1007/s00436-007-0520-0.

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Dixenous helminths that depend on rodent intermediate hosts are supposed to be negatively affected by urbanization due to lower supply of rodents in urbanized environments. Prevalence rates of dixenous, non-strictly monoxenous, and monoxenous helminths in 228 red foxes (Vulpes vulpes) along a gradient of increasing urbanization were assessed by morphological parasite identification in the city of Geneva, Switzerland. Multivariate analyses for the five most prevalent helminth species or genera revealed a significant decrease of prevalence rates for the dixenous helminths Echinococcus multilocul

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10

Rakesh, Kumar, Saxena Bharti, Shrivastava Ritu, and Bhardwaj Ramakant. "Mathematical Modeling of Dengue Disease Transmission Dynamics." Indian Journal of Science and Technology 17, no. 39 (2024): 4101–10. https://doi.org/10.17485/IJST/v17i39.1526.

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Abstract <strong>Objectives:</strong> This study developed a compartmental ordinary differential equation model to investigate dengue transmission dynamics within a human population. The model stratified the population into susceptible, exposed, infected, and recovered classes, incorporating key epidemiological factors. <strong>Methods:</strong> Model equilibrium analysis was conducted to determine the stability of disease-free and endemic states. The basic reproduction number (R₀) was calculated to quantify the potential for disease spread. Additionally, sensitivity analysis wa

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Pankov, Aleksandr Sergeevich, Vitaliy Vasilevich Solovykh, and Olga Viktorovna Nuriakhmetova. "Assessment of long-term dynamics of measles incidence." Disinfection affairs, no. 3 (September 2024): 67–74. http://dx.doi.org/10.35411/2076-457x-2024-3-67-74.

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The paper examines the relevance of the measles problem in the Russian Federation, Volga Federal District, and Orenburg Region among various age groups. The manifestations of the measles epidemic process in long-term dynamics from 2010 to 2022 were studied and analyzed. A retrospective epidemiological analysis of the incidence of measles in the population was carried out, including an analysis of the long-term dynamics of the incidence of the population, an analysis of the intra-annual dynamics of the incidence and an analysis of the long-term dynamics of the incidence among various population

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Samberi, Karel Yohanis, Nono Ngadiyono, and Sumadi (Sumadi). "Estimasi Dinamika Populasi dan Produktivitas Sapi Bali di Kabupaten Kepulauan Yapen, Propinsi Papua (Estimation of the Dynamics of Population and Productivity of Bali Cattle in Kepulauan Yapen Regency, Papua Province)." Buletin Peternakan 34, no. 3 (2012): 169. http://dx.doi.org/10.21059/buletinpeternak.v34i3.87.

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<p>The objective of this research was to investigate the dynamics of population, productivity, and output of Bali cattle in region of Kepulauan Yapen Regency, Papua Province. The research was carried out for 3 months, started in<br />July until September 2009. The materials included 103 farmers as the respondent and 211 heads of Bali cattle. The result showed that reproductive efficiency (RE) was 88.38%, natural increase (NI) 18.18% and net replacement rate<br />value (NRR) of Bali cattle male and female were 234.28% and 189.59% each. The potency and compotition of Bali cattl

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Elliott, Sean. "Modeling Networks of Evolving Populations." American Journal of Undergraduate Research 16, no. 1 (2019): 49–64. http://dx.doi.org/10.33697/ajur.2019.016.

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The goal of this research is to devise a method of differential equation based modeling of evolution that can scale up to capture complex dynamics by enabling the inclusion of many—potentially thousands—of biological characteristics. Towards that goal, a mathematical model for evolution based on the well-established Fisher-Eigen process is built with a unique and efficient structure. The Fisher-Eigen partial differential equation (PDE) describes the evolution of a probability density function representing the distribution of a population over a phenotype space. This equation depends on the cho

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Josephine, Godfrey Mwamanga, and Tao Wang. "Water Scarcity in Tanzania: Examining the Influence of Economic Development and Population Dynamics." Water Scarcity in Tanzania: Examining the Influence of Economic Development and Population Dynamics 8, no. 12 (2023): 9. https://doi.org/10.5281/zenodo.10403917.

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Water scarcity is a significant challenge that poses implications for economic growth and population trends in Tanzania. This article analyzes the linkages between water scarcity and the Tanzanian economy by exploring the driving factors of major sectors from agriculture, industry to service sector. It aims to provide a comprehensive understanding of how these factors interact and ultimately affect water availability and access. It examines the potential influences of economic development activities such as agricultural productivity, industrial activities, domestic and commercial activities on

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Patița, Adina-Maria. "Socio-Economic Impact of Natural Population Dynamics in Bistrița-Năsăud County Between 2000 and 2020." Studia Universitatis Babeș-Bolyai Geographia 69, no. 1 (2024): 57–70. http://dx.doi.org/10.24193/subbgeogr.2024.1.04.

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Socio-Economic Impact of Natural Population Dynamics in Bistrița-Năsăud County between 2000 and 2020. Natural population dynamics is a topic that is largely dealt with at national level, but little analysed on a smaller scale (at county or basic administrative-territorial unit level), which could provide an opportunity for a more in-depth analysis and highlight possible areas where the situation is different from that existing at national level. Over time, the changes that have occurred in the natural dynamics of the population in Romania have highlighted numerous changes and shifts at the soc

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Dzhaman, Vasyl, Anton Melnyk, and Yaroslav Dzhaman. "GIS-Based Mapping of Spatial Specificities of Population Migrations in War-Time Ukraine." Scientific Herald of Chernivtsi University. Geography, no. 845 (December 14, 2023): 20–28. http://dx.doi.org/10.31861/geo.2023.845.20-28.

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Spatial specificities of migrations in population of Ukraine are discussed on the basis of map models (map diagrams, cartograms, map schemes of quantitative background, isolines). Territorial differences in interstate and interregional migrations in the pre-war time, the period of Russia’s hybrid war against Ukraine, and the full-scale war are put under analysis. Destinations and the value of migrant departures/arrivals are disclosed, as well as their effect on the dynamics of population number in Ukraine and its regions. Keywords: mapping, GIS technologies, population migrations, war, regions

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17

Santangelo, Giovanni. "CONSERVATION OF LONG-LIVED MARINE SPECIES: SOME HINTS FOR ADOPTING A POPULATION APPROACH." Arquivos de Ciências do Mar 55, Especial (2022): 231–59. http://dx.doi.org/10.32360/acmar.v55iespecial.78515.

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Long-lived species, whose life-span can amply exceed one century, play a fundamental role within marine communities. However, due to the short time windows covered by most research our knowledge of their demography is quite limited, consequently severely limiting the possibility of understanding their complex dynamics over the long run. Moreover, several aspects of the life-history of long-lived populations are largely unknown. This short review describes some examples of demographic analyses in terrestrial ecology, which are then applied to long-lived marine species. The ultimate aim is to su

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18

Trеivish, Andrey I. "Geographical space as a mediator between population and economy." Population and Economics 3, no. (1) (2019): 5–20. https://doi.org/10.3897/popecon.3.e35372.

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The article covers a wide range of relations between the population and the economy through space (their spatial relations). The dynamics of quantitative proportions between the number of inhabitants, the volume of gross product and the size of the territory of the countries of the world and Russian regions are analyzed. Changes in the composition of the economy and population, production and consumption under globalization and post-industrial development, and their geographical effects, are revealed, including those in Russia. It is recognized, in particular, that the geography of society is

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Prajapati, Jayesh N., and Abhishek Shukla. "Distribution and population dynamics of spider mite oligonychus indicus hirst on sorghum." PROCEEDINGS OF THE ZOOLOGICAL SOCIETY OF INDIA 23, no. 01 (2024): 17. http://dx.doi.org/10.59467/pzsi.2024.23.17.

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A field experiment was carried out to study the population dynamics of sorghum mite (O. indicus) infesting sorghum and its relation with different biotic and abiotic variables during 2019 and 2020 at Navsari Agricultural University, Navsari, Gujarat. The results revealed that mite population starts to build up during 34th SMW with 0.38 and 0.46 mite/2?2 cm2 leaf area during kharif-2019 and 2020, respectively and continued till the crop maturity. Further, the population of mite increased gradually and reached to its peak in 42nd and 41st SMW i.e., 8.92 and 9.42 mites/2?2 cm2 leaf area during kh

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Wijayanto, Tulus, Sudarmadji Sudarmadji, Purwatiningsih Purwatiningsih, and Hari Purnomo. "Population Dynamics of Bemisia tabaci Genn. and Type of Predators Found on the Edamame Soybeans (Glycine max L.) in Mangli Jember." Jurnal ILMU DASAR 18, no. 2 (2017): 83. http://dx.doi.org/10.19184/jid.v18i2.4116.

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The study was conducted at the edamame plantation area of PT. Mitra Tani 27 Jember with the size of 31.6 m x 29.8 m. The sampling of imature B. tabaci was done by collecting the samples of leaves from the five plots of planting. The adult samples were taken by setting some yellow traps with the size of 20 x 30 cm. The results showed that the populations of B. tabaci changed during the growing season of edamame, the older the plants grow, the greater number of the populations. The highest number of B. tabaci adult population was in the age of 10 weeks after planting, those were 818 B. tabaci. T

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Medina-Vásquez, Paúl, Ray Romero-Romero, and Juan Mayorga-Zambrano. "A model for the SARS-CoV-2 dynamics in a population lacking herd immunity." Bionatura 8, no. 1 (2023): 1–10. http://dx.doi.org/10.21931/rb/2023.08.01.45.

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We introduced the S-HI model, a generalized SEIR model to describe the dynamics of the SARS-CoV-2 virus in a community without herd immunity and performed simulations for six months. The S- HI model consists of eight equations corresponding to susceptible individuals, exposed, asymptomatic infected, asymptomatic recovered, symptomatic infected, quarantined, symptomatic recovered and dead. We study the dynamics of the infected, asymptomatic. Dead classes in 4 different networks: households, workplaces, agglomeration places and the general community, showing that the dynamics of the three compar

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Bozhenova, Irina Viktorovna, Aleksandr Sergeevich Pankov, and Mikhail Ivanovich Samoylov. "Epidemiological characteristics of pertussis in the Orenburg Region." Disinfection affairs, no. 1 (March 2022): 49–54. http://dx.doi.org/10.35411/2076-457x-2022-1-49-54.

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The paper considers the relevance of the pertussis cough problem in the Orenburg region among different age groups. The manifestations of the epidemic process of pertussis in the long-term dynamics and among age groups for the period from 2005 to 2019 in the Orenburg region were studied and analyzed. A retrospective epidemiological analysis of the incidence of pertussis of the population was carried out, including an analysis of the long-term dynamics of the incidence of pertussis of the population, an analysis of the intra-annual dynamics of morbidity and an analysis of the long-term dynamics

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Kovleva, K. K., and N. A. Kozak. "Dynamics of natural selection in two generations (on the example of the population of the Kirovograd region)." Faktori eksperimental'noi evolucii organizmiv 29 (August 31, 2021): 152–56. http://dx.doi.org/10.7124/feeo.v29.1423.

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Aim. In connection with the success of modern medicine, the pressure of natural selection in various civilized human populations is weakening, which leads to the accumulation of a genetic load. The purpose of this work was to trace the change in the intensity of natural selection among population of the Kirovograd region in two successive generations. Methods. The collection of material was carried out in 2020 and 2021. Anonymous questionnaires were conducted and medical histories of women of post-reproductive age of the Kirovograd region were studied. The first generation included 40 women bo

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Mukaromah, Laila, Gita Safitri, Filza Listiana, et al. "RESILIENSI TANTANGAN BENCANA BANJIR DI LAMPUNG : PERAN KEPADATAN DAN PENDIDIKAN." Jurnal Ekonomi dan Bisnis (EK&BI) 7, no. 2 (2024): 66. https://doi.org/10.37600/ekbi.v7i2.1650.

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Flood disasters pose a serious threat to communities worldwide, including in Lampung Province, Indonesia. Previous research has highlighted the roles of population density and education level in influencing community resilience to flood disasters. However, deeper investigations are needed to understand the dynamics of flood disaster management in Lampung. The aim of this study is to investigate how population density and education level affect flood disaster management in eight districts and cities in Lampung province between 2019 and 2023. Through this approach, it is expected to gain deeper

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Putri, Ratih Fitria, Aji Wijaya Abadi, and Naufal Fattah Tastian. "Impacts of Population Density for Landuse Assessment in Cengkareng, West Jakarta." Journal of Geoscience, Engineering, Environment, and Technology 5, no. 2 (2020): 56–67. http://dx.doi.org/10.25299/jgeet.2020.5.2.3705.

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Economic development in Jakarta has been influencing physical and social characteristics of urban area significantly. For recent years, burgeoning population growth occurs as a result of urban development and contributes to the landuse dynamics in a certain area. Cengkareng, is one of the most developed urban areas in Jakarta and has been experiencing such population and landuse dynamics. Its strategic location has turned this area becomen densely-populated. Increasing population density increase land demand, shapes the settlement pattern, and changes the landuse of the area. A study conducted

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LAGODIIENKO, Nataliya, Vitaliy KOZYOMA, and Iryna KRUPITSA. "ASSESSMENT OF SOCIAL EFFICIENCY OF SUSTAINABLE DEVELOPMENT OF AGRICULTURAL PRODUCTION." Ukrainian Journal of Applied Economics 4, no. 3 (2019): 330–49. http://dx.doi.org/10.36887/2415-8453-2019-3-37.

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Introduction. Sustainable development of agricultural production in Ukraine involves taking into account social, economic and environmental aspects, which is implemented in many specific directions and measures. The purpose of the study is to assess the social effectiveness of sustainable development of agricultural production in the conditions of the national economy openness. Results. The dynamic of the share of Ukrainian households expenditures on food, non-alcoholic and alcoholic beverages, and tobacco products in the structure of their total expenditures is analyzed. The expenditure share

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Mehta, Sonali. "Emergence and Spatial Dynamics of Census Towns in Ranchi District: A Study of Peri-urban Transformation." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem46991.

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Abstract Demography plays a very crucial role in the emergence of census towns. The key factors that influence the classification of an area as Census towns (CT) are the population size, composition and distribution. Urbanization and migration continue to shape the communities and demography provides insights into the dynamics of these areas. Demography is intricately linked to the emergence of census towns, shaping their identity, growth and development. Therefore, the behavior of human population to certain socio-economic factors needs to be studied in detail. This paper attempts to critical

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Rwezaura, Herieth. "Modelling the Impact of Undetected Cases on the Transmission Dynamics of COVID-19." Tanzania Journal of Science 47, no. 5 (2021): 1793–809. http://dx.doi.org/10.4314/tjs.v47i5.25.

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The spread of COVID-19 globally has caused negative impacts to the public, making understanding the dynamics of transmission a necessity. Essential factors such as undetected cases, asymptomatic cases, and several non-pharmaceutical interventions have played significant roles in the spreading mechanism of COVID-19 in the human population. It is imperative to understand the significance of these factors in order to determine whether COVID-19 will be eradicated or will continue to persist in the population. A mathematical model is formulated to investigate the impacts of vaccination and several

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Hadinata, Fitra Wira, Yennie Yennie, Mardan Adijaya, et al. "Population dynamics of sorrah sharks (Carcharhinus sorrah) caught in fishery management areas (WPP 711)." Acta Aquatica: Aquatic Sciences Journal 1, no. 1 (2025): 106–12. https://doi.org/10.29103/aa.v1i1.15515.

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Sorrah shark (Carharhinus sorrah) is one of the catch types that is landed at the Nusantara Pemangkat Fishing Port. This research was conducted to determine the dynamics of the sorrah shark population caught in the WPP 711 fishery management area. This research was carried out from August to October 2023 at TPI, precisely at the Nusantara Pemangkat Fishing Port, Pemangkat District, Sambas Regency, West Kalimantan. The method used in this research is a survey. This research used primary and secondary data. The data collected includes the number of catches (kg), total catch (tails), total length

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Fernández-González, Prudencio, Antonio Fernández-Morcuende, Enrique García-Gomariz, M. José Rodríguez-Rivas, Esteban Sánchez-Amador, and Fernando Vasco-Encuentra. "Yew matriarchies of the Sierra de Francia. Dynamics and ecology of recently identified Yew populations in the Central Iberian Mountain Range (Sistema Central)." Forest Systems 24, no. 3 (2015): e043. http://dx.doi.org/10.5424/fs/2015243-07472.

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<p><em>Aim of study</em>: Our study design presents two main objectives: 1) to create a census that details the number of yew individuals and their geographic distribution, and 2) to attempt to unravel possible reproductive relationships and their connection between true population nuclei and meta-population models.</p><p><em>Area of study</em>: Recently identified yew populations (<em>Taxus baccata</em> L.) were studied in the western sector of the Sistema Central mountain range of theIberian Peninsula, known as the Sierra de Francia. The

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Sri Rahayu, Helminuddin, and Eko Sugiharto. "STUDI TINGKAT DINAMIKA KELOMPOK PENGOLAH “Sukses Mandiri” PADA USAHA PENGOLAHAN HASIL PERIKANAN DI PERUMAHAN KELEDANG MAS BARU KECAMATAN SAMARINDA SEBERANG KOTA SAMARINDA." Jurnal Pembangunan Perikanan dan Agribisnis 8, no. 1 (2022): 19–39. http://dx.doi.org/10.30872/jppa.v8i1.22.

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The dynamics of a group can be used as one of the indicators of interaction dynamics (group relations), both internal and external, in a group to achieve the group’s goal. This study aimed at investigating the dynamics level of “SuksesMandiri” fishery processing group in the fisheries processing business in Keledang Mas Baru housing community, Samarinda Seberang sub-district, Samarinda City. All series of this study was conducted for 6 months starting from February to July 2020, and it was located in Samarinda Seberang sub-district, Samarinda City. The sample was taken based on the census meth

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Dr., Manjeet Kaur. "ASSESSING THE FACTORS AFFECTING BUYING BEHAVIOR IN SERVICE SECTOR." International Journal of Marketing & Financial Management 8, no. 1 (2020): 01–07. https://doi.org/10.5281/zenodo.10823679.

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ABSTRACT <em>                              By definition, demographic segmentation divides a market into subsets defined by characteristics like age, gender, income, etc. Companies need to be in tune and up to date with the ever-evolving market conditions, therefore demographic segmentation plays a significant role in the development and rollout of both existing and new products and services. Although a sizable minority of people now utilise banking a

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Igben, J. L. "Artisanal Petroleum Refining and Occupational Dynamics in the Niger Delta Region, Nigeria." Journal of Applied Sciences and Environmental Management 25, no. 3 (2021): 341–49. http://dx.doi.org/10.4314/jasem.v25i3.6.

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This study examines the occupational dynamics of the population as a result of artisanal refining of crude oil in the Niger Delta using structured questionnaire administered to 240 household heads selected from two settlements, one far from area of artisanal refineries (controlled settlement) and the other in area of artisanal refineries (experimental settlement). The questionnaire covered location and demographic characteristics of the respondents, as well as the typology of occupations. The pair-wise Student t-test and simple percentages were used to analyse the data collected. The study rev

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Maksimovich, Kirill. "Impact factors on the population and spatial distribution of ground beetles (Coleoptera, Carabidae) in agrocenoses with different levels of intensification." АгроЭкоИнфо 2, no. 50 (2022): 42. http://dx.doi.org/10.51419/202122242.

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This paper describes the results of data analysis on species composition and population of ground beetles (Coleoptera, Carabidae) in agrocenoses of spring wheat and corn at different levels of intensification in the forest-steppe of Western Siberia in the period of 2019-2021. The research was aimed at identifying correlating factors with the abundance of ground beetle communities and assessing their significance. The data analysis methods were specified with regard to the peculiarities of the structure and nature of the initial data distribution. Analysis of the population dynamics was perform

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Tripathi, Ananya. "Rural Development Dynamics: An Analytical Study of the Lucknow - Barabanki State Capital Region 2042." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 008 (2024): 1–14. http://dx.doi.org/10.55041/ijsrem37200.

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Rural development plays a crucial role in regional planning which serves as a key role in achieving balanced inclusive and sustainable growth. This research explores the rural development programs in Uttar Pradesh's State Capital Region, a scholarly project carried out in 2021. The emphasis is placed on the areas of Barabanki and Lucknow, where 57.03% of the population lives in rural regions. With 57.03% of the population living in rural areas, the region has a crucial issues incorporating rural communities into larger regional development plans. The government's initiatives, such as the Rurba

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KUMAR, PRASANN, DEBJANI CHOUDHURY, and MOIRANGTHEM INDIRA DEVI AND JANMEJAY SAHOO. "Impact of Radiation on Parasitoid Ecology: Unveiling Complex Interactions." BIOPESTICIDES INTERNATIONAL 20, no. 02 (2024): 165. https://doi.org/10.59467/bi.2024.20.165.

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Ionizing radiation, a formidable force with implications for ecosystems, has garnered increasing attention due to its potential to disrupt delicate ecological relationships. Parasitoids, the natural enemies of insect pests, are well known for their role in pest regulation and provide an insightful lens through which to explore the multifaceted impact of radiation on ecology. This review delves into the intricate interactions between radiation exposure and parasitoid behavior, physiology, reproduction, and population dynamics. Radiation-induced changes in parasitoid behavior encompass altered h

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Wajo, Mohamad Jen, Johan F. Koibur, Deni A. Iyai, Stepanus Pakage, Freddy Pattiselanno, and John Arnold Palulungan. "Dynamics of goat population and production in Papua and West Papua Provinces: Correlation and regression analysis (2000-2023)." Jurnal Ilmu Peternakan dan Veteriner Tropis (Journal of Tropical Animal and Veterinary Science) 15, no. 1 (2025): 19–27. https://doi.org/10.46549/jipvet.v15i1.509.

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Abstract This study investigates the trends in goat population and meat production in Papua and West Papua from 2000 to 2023, analyzing the relationship between population growth, production output, and key management factors. Using secondary data from official sources such as the Central Statistics Agency (BPS) and the Department of Animal Husbandry, the study employs descriptive analysis, Pearson correlation, and both linear and non-linear regression models. The results indicate a significant positive correlation between goat population and meat production, particularly in Papua, where a cub

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Bayanova, T. A., Z. A. Zaikova, V. M. Zelenskaya, and K. S. Matyukhin. "The incidence of HIV infection and awareness of HIV infection among the population of the Irkutsk region." YAKUT MEDICAL JOURNAL 85, no. 1 (2024): 62–65. https://doi.org/10.25789/ymj.2024.85.16.

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The article presents certain aspects of the epidemiological situation regarding HIV infection in the Irkutsk region: morbidity in adults, children and adolescents, dynamics of transmission routes and age groups at risk. According to the results of the sociological study, a satisfactory level of awareness of the region's residents on HIV infection issues has been shown, with significant differences by gender and age groups. The results obtained are necessary to increase the effectiveness of information and educational work among the population, with an individual approach to each gender and age

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Kozak, N. O., and L. A. Atramentova. "Dynamics of indexes of reproduction and selection in three generations of the urbanized population." Faktori eksperimental'noi evolucii organizmiv 26 (September 1, 2020): 61–66. http://dx.doi.org/10.7124/feeo.v26.1242.

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Aim. Due to the fact that women's reproductive behavior has been changing with the development of civilization, from natural uncontrolled fertility in the early stages of human development to reproductive technologies in our time, the aim of this work was to study the direction and intensity of natural selection index and changes of the quantitative characteristics of reproduction in women residents of Kharkiv in three successive generations. Methods. Material was collected in 1990 and 2017. The obstetric and gynecological history of the inhabitants of Kharkiv was studied. The first generation

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Jasim Shakir, Mohammed. "Investigation of Ascaris lumbricoides Egg Morphology and Transmission Dynamics in the Iraqi Population." Diyala Journal of Medicine 28, no. 2 (2025): 25–39. https://doi.org/10.26505/djm.v28i2.1165.

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Background: Ascaris lumbricoides remains a significant public health concern, especially in settings with poor sanitation. Prevalence, transmission dynamics, and knowledge at the population level can inform the implementation of enhanced control. This study establishes the infection rate of A. lumbricoides in the Iraqi population, investigates factors associated with sociodemographics contributing to infection, and explores diversity in egg morphology Patients and Methods: A total of 110 participants were involved in this cross-sectional study. Stool samples collected from each participant wer

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SINGH, KISHOR KUMAR AND AJAY. "Drought, Death, and Despair: The Socioeconomic Impact of Famine in Uttar Pradesh (1858?1908)." WORLD JOURNAL OF APPLIED SCIENCE AND RESEARCH 12-13, no. 01-02 (2023): 7. https://doi.org/10.59467/wjasr.2022-23.12-13.7.

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This study examines the profound socioeconomic ramifications of recurrent famines in Uttar Pradesh (North- Western Provinces and Oudh) from 1858 to 1908. Utilizing archival records, colonial reports, and demographic data, the research investigates the impact of severe droughts and subsequent food shortages on mortality rates, social stability, and economic prosperity in the region. The analysis demonstrates that these famines disproportionately affected rural populations, exacerbating existing socioeconomic disparities and altering established social structures. The paper explained that the Br

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Difa Nadillah, Muh Amrullah Pagala, and Achmad Selamet Aku. "Struktur dan Dinamika Populasi Sapi Bali di Kecamatan Towea Kabupaten Muna." Jurnal Ilmiah Peternakan Halu Oleo 7, no. 1 (2025): 51–57. https://doi.org/10.56625/jipho.v7i1.52.

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Sapi Bali merupakan sapi primadona Indonesia karena kemampuan reproduksinya tinggi, mampu menghasilkan kualitas daging dan karkas yang baik, dapat digunakan sebagai tenaga kerja di sawah dan memiliki kemampuan adaptasi lingkungan yang tangguh dan sangat luas. Penelitian ini bertujuan mengevaluasi struktur dan dinamika popuasi ternak sapi Bali di Kecamatan Towea Kabupaten Muna. Penelitian ini dilakukan pada bulan Januari sampai dengan bulan Februari 2024, di Kecamatan Towea Kabupaten Muna. Variabel yang diamati pada penelitian ini yaitu Struktur populasi dan dinamika populasi. Analisi data yang

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Əyyub oğlu Salehov, Akif, Şeyda Tələt qızı Şıxəliyeva, Fatma Hidayət qızı Hüseynova, and Elmira Ayətulla qızı Hacıbəyova. "Dynamics of morbidity of the population with viscerial leishmaniasis in the Republic of Azerbaijan." NATURE AND SCIENCE 21, no. 6 (2022): 6–10. http://dx.doi.org/10.36719/2707-1146/21/6-10.

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Son illərdə viseral leyşmaniozun qalıq ocaqları aktivləşib və leyşmanioz bütün Azərbaycan Respublikasında yayılıb və dislaziya 46-dan çox rayon və şəhərdə qeydə alınıb. Son 30 il ərzində əhali arasında 660 xəstə müəyyən edilmişdir ki, onlardan 357-si (92,7±1,33) 17 yaşa qədər uşaqlardır. Xüsusilə son 5 il ərzində müəyyən edilmiş xəstələrin sayı hər il artır. Tədqiq olunan ərazilərdə: Şəki, Şamaxı, Ağdam, Ordubad, Cəlilabad, Göyçay, Bərdə, Ağdaş kimi rayonlarda leyşmanioz daşıyıcılarının sayı kifayət qədər miqdarda aşkar edilib. Beləliklə, visserial leyşmanioz hal-hazırda Azərbaycan Respublikas

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Erinle-Ibrahim, Latifat M., Olukayode Adebimpe, Waheed O. Lawal, and Joshua O. Agbomola. "A Mathematical Model and Sensitivity Analysis of Lassa Fever with Relapse and Reinfection Rate." Tanzania Journal of Science 48, no. 2 (2022): 414–26. http://dx.doi.org/10.4314/tjs.v48i2.16.

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In this research paper, we depict an unprecedented four-dimensional ordinary differential equation modeling the dynamic transmission of the Lassa fever virus incorporating relapse and reinfection rate. Recent studies showed that the recovered individuals from Lassa fever can again be susceptible; which contradicted the common assumptions made by different researchers on modeling of Lassa fever. So, this article corrects and states the implications of the assumptions on the population density. The numerical simulations unveil the effect of relapse, reinfection, and treatment rate in the affecte

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Nazir, Naila, Laura Schmitt Olabisi, and Salman Ahmad. "Forest Wood Consumption and Wood Shortage in Pakistan: Estimation and Projection through System Dynamics." Pakistan Development Review 57, no. 1 (2018): 73–98. http://dx.doi.org/10.30541/v57i1pp.73-98.

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Consumption rates of major forest products such as timber and firewood, place significant strain on wood stock and forest area in Pakistan. With the country's rising population, the consumption of these two major products is increasing because of the growing energy demand, and no alternative products are likely to replace wood consumption in the near future. We apply system dynamics modelling to an analysis of the forestry sector in Pakistan for novel insights into the drivers and future trajectories of wood consumption. The present research is based on time series macroeconomic data from 1990

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Maraktaev, V. V., V. V. Sidorova, and T. A. Bayanova. "Meningococcal infection in the Republic of Buryatia: features of epidemiology and specific prophylaxis." YAKUT MEDICAL JOURNAL 87, no. 3 (2024): 66–70. https://doi.org/10.25789/ymj.2024.87.13.

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The article presents manifestations of the epidemic process of MI in the Republic of Buryatia: the dynamics of morbidity in different age groups of the population, mortality, serogroup characteristics of meningococcal strains. An assessment of the state of the level of collective immunity is given based on serological monitoring data and an analysis of immunoprophylaxis against infectious diseases. Period 2021-2023 characterized by a worsening of the epidemiological situation (increasing morbidity and mortality; involvement of different age groups of the population; increase in the number of s

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Bayanova, T. A., and Z. A. Zaikova. "Chickenpox and herpes zoster: dynamics of incidence and approaches to prevention." YAKUT MEDICAL JOURNAL 84, no. 4 (2023): 45–48. https://doi.org/10.25789/ymj.2023.84.11.

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The dynamics of the incidence of chickenpox and herpes zoster in the population of the Irkutsk region and the city of Irkutsk against the background of ongoing selective vaccination was studied. A descriptive epidemiological study was conducted according to state statistical reporting based on materials from the Irkutsk region and the city of Irkutsk for 2013-2022. The calculation of predictive values was made using regression equations, the statistical significance of differences in intensive indicators was assessed by 95% CI. Against the background of a decrease in the incidence of chickenpo

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Midlovets, Kostiantyn K., Danylo O. Kybenko, and Dmytro S. Krasnienkov. "Analysis of mortality dynamics under regular exposure to an extreme factor." Проблеми старіння і довголіття (Україна) . Problems of ageing and longevity (Ukraine) 30, no. 2 (2025): 82–93. https://doi.org/10.71012/pro-ageing-2025-2-07.

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Background. Methods for studying lifespan are key to understanding the patterns of pathological processes, assessing the effectiveness of therapeutic effects, and predicting results in biological and medical research.The aim: To test the multi-peak Gaussian fitting method for quantitatively describing the rate of population decline of a fixed-volume study group under periodic exposure to an extreme factor.Materials and Methods. Conducting an experiment using the Canton S line: adults were periodically exposed to 50 mM LiCl. Then, survival curves were constructed based on the recorded mortality

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Mouzou, Palakyém. "Diastratic Variation in Kabiyè, a Gur Language of Togo." Uirtus 1, no. 2 (2021): 233. https://doi.org/10.59384/uirtus.2021.2647.

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Linguistic homogeneity is a rare phenomenon that can be observed among speakers of a single language. The societal practice of a language such as Kabiye leaves room for linguistic heterogeneity characterised by a rather dynamic lexical variation between certain categories of speakers. So, what are the factors underlying such lexical variation? Taken as a whole of language contact phenomena but described from a lexicological perspective, this article takes as its substrate the diversity of neological and stylistic processes in all the categories observed. It considers diastratic variation as on

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GAMBO, SULEMAN LAWAL. "A Conceptual Paper on Population Growth, Economic Growth and Environmental Quality Nexus in Nigeria A Conceptual Paper on Population Growth, Economic Growth and Environmental Quality Nexus in Nigeria." Malaysian Journal of Social Administration 19, no. 2024 (2024): 71–101. https://doi.org/10.22452/mjsa.vol19no2024.5.

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Abstract This study evaluates existing evidence and proposes a conceptual framework for investigating the multifaceted dynamics of population growth and economic growth on environmental quality in Nigeria, as a developing country. Evidence on the growing ecological degradation (i.e., high population density, pollution, urban squalor, deforestation, and carbon dioxide (CO2) emissions) is reviewed. The study presents theories that link human population growth, economic growth, and environmental quality, as well as the impact on human well-being and possible relationships with environmental chang

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