Results 1 to 10 of about 27,058 (169)
Spatial analysis of the age structure of the population of Haditha District for the period 1997-2020 [PDF]
مجلة جامعة الأنبار للعلوم الإنسانية, 2022 The study of the age structure is an important element to follow the changes between different population groups, and based on that, the aim of the study was to study the age structure and its indicators for the population of a modern district with its ...
Mahmoud J. Abbas +1 more
doaj +1 more source
COVID-19 and excess mortality: Was it possible to lower the number of deaths in Slovenia? [PDF]
Stanovništvo, 2021 This paper presents new data on the age structure of hospitalised SARI (severe acute respiratory infection) patients, with or without COVID-19, broken down by gender, place of infection, and region.
Josipovič Damir
doaj +1 more source
Evaluation of the temporal development of three introduced populations of brook trout, Salvelinus fontinalis, in Jizerské mountains, Czech Republic [PDF]
Archives of Biological Sciences, 2015 Three populations of brook trout, Salvelinus fontinalis, established in streams and reservoirs in the Jizerské Mountains, Czech Republic, were studied between 1995 and 2006. The maximum age was usually 3+ to 4+, but the age 7+ was also recorded.
Šanda Radek +5 more
doaj +1 more source
Frontiers in Public Health, 2022 The vaccines are considered to be important for the prevention and control of coronavirus disease 2019 (COVID-19). However, considering the limited vaccine supply within an extended period of time in many countries where COVID-19 vaccine booster shot are
Chao Zuo +4 more
doaj +1 more source
Household age structure and consumption in Serbia [PDF]
Ekonomski Anali, 2012 The influence of demographic variables on household consumption level and structure is understood but insufficiently studied in Serbia. This paper analyzes the connection between age as a demographic variable, and the size and structure of household ...
Radivojević Biljana, Vasić Petar
doaj +1 more source
Global Dynamics for an Age-Structured Cholera Infection Model with General Infection Rates
Mathematics, 2021 This paper studies the global dynamics of a cholera model incorporating age structures and general infection rates. First, we explore the existence and point dissipativeness of the orbit and analyze the asymptotical smoothness.
Xin Jiang
doaj +1 more source
Известия ТИНРО, 2017 Sex and age structure of pacific walruses on the shore rookeries at Cape Serdtse-Kamen’ is considered on the data of observations in 2009-2014. In total, sex and age were determined for 13766 walruses. Adult females were the largest sex-age group - 42.95
Maxim V. Chakilev, Anatoly A. Kochnev
doaj +1 more source
Resource potential and structure of black alder stands of Ukrainian Polissia
Наукові праці Лісівничої академії наук України, 2023 Sustainable and rational use of forest resources in the context of the transition of the forest industry of Ukraine to European standards and market principles of management requires the systematic development of appropriate regulatory and information ...
Petro Lakyda, Vitaly Smolin
doaj +1 more source
The ageing of population in Kanjiza municipality [PDF]
Glasnik Srpskog Geografskog Društva, 2009 The aging of population in Vojvodina Province is one of the main political, national and economical issues. This paper presents the demographic situation in municipality of Kanjiza, researching the age structure.
Arsenović Daniela +2 more
doaj +1 more source
Assessment of age and intersexual size differences in Bufo bufo [PDF]
Archives of Biological Sciences, 2005 Numerous studies have underlined the complex nature of relationship between age, size, and reproductive traits in anurans. One of the most intriguing problems for evolutionary biologists is intersexual difference in body size (SSD).
Cvetković Dragana D. +3 more
doaj +1 more source