Results 1 to 10 of about 5,400,787 (162)

Spatial analysis of the age structure of the population of Haditha District for the period 1997-2020 [PDF]

open access: yesمجلة 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

The ecology of ageing in wild societies: linking age structure and social behaviour. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci
Woodman JP   +5 more
europepmc   +2 more sources

COVID-19 and excess mortality: Was it possible to lower the number of deaths in Slovenia? [PDF]

open access: yesStanovništvo, 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]

open access: yesArchives 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

Assessing Vaccination Prioritization Strategies for COVID-19 in South Africa Based on Age-Specific Compartment Model

open access: yesFrontiers 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]

open access: yesEkonomski 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

open access: yesMathematics, 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

An Older Population Increases Estimated COVID-19 Death Rates in Rural America [PDF]

open access: yes, 2020
In this brief, author Kenneth Johnson estimates the influence that the local age structure has on coronavirus death rates among those exposed to it in rural and urban counties in the United States. He reports that the older age structure of rural America
Johnson, Kenneth M.
core   +2 more sources

Age Structure and Sex Ratio of Thrips Scirtothrips Dorsalis Hood (Thysanoptera : Thripidae) Associate with Mango Agroecosystem in East Java, Indonesia [PDF]

open access: yes, 2013
A research aimed to investigate the age structure and sex ratio of S. dorsalis Hood in mango agroecosystem was conducted at PT. Trigatra Rajasa farm, Situbondo, East Java, Indonesia. The research was started from April to May 2013.
Affandi, A. (Affandi)   +1 more
core   +1 more source

Sex-age structure of pacific walrus Odobenus rosmarus divergens in the area of Cape Serdtse-Kamen’ (Chukchi Sea) in the summer-fall seasons of 2009-2014

open access: yesИзвестия 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

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