Results 11 to 20 of about 853,091 (256)

The Analysis of Demographic Changes caused by Epidemics and Actions of the Rulers in Hamedan during the Qajar Era [PDF]

Journal of Research on History of Medicine, 2023
Worldwide, infectious diseases have been one of the main factors of premature deaths for a long time. Due to the lack of proper social and cultural conditions, Iran suffered a lack of hygiene, particularly in provinces, until the end of the Qajar era. As
Sarah Shohani, Seyed Mohammad Sheikhahmadi, Kaivan Shafei, Ruhollah Bahrami   +3 more
doaj  

Aging assessment in Cuba: case study

Trilogía Ciencia Tecnología Sociedad, 2017
This work presents a research study on the aging of the population in the municipality of Florencia, the smallest in territory in Ciego de Ávila province. Such municipality is the most aged in this territory and it also presents worrying high aging rates,
Virginia Jiménez Valdés, Bárbaro Pardillo Padrón, Lissete Arzola de la Rosa   +2 more
doaj   +1 more source

Expanding Exotic Forest Plantations and Declining Rural Populations in La Araucanía, Chile

Land, 2021
Chile has embraced the expansion of monoculture forest plantations of exotic Monterey pine and eucalyptus as part of its development strategy. While forestry is considered financially successful and meets sustainability objectives, the increase in forest
Lindsey Carte, Álvaro Hofflinger, Molly H. Polk   +2 more
doaj   +1 more source

Estimating IUCN Red List population reduction: JARA—A decision‐support tool applied to pelagic sharks

Conservation Letters, 2020
The International Union for Conservation of Nature's (IUCN) Red List is the global standard for quantifying extinction risk but assessing population reduction (criterion A) of wide‐ranging, long‐lived marine taxa remains difficult and controversial.
Richard B. Sherley, Henning Winker, Cassandra L. Rigby, Peter M. Kyne, Riley Pollom, Nathan Pacoureau, Katelyn Herman, John K. Carlson, Jamie S. Yin, Holly K. Kindsvater, Nicholas K. Dulvy   +10 more
doaj   +1 more source

Two amphibian species in the urban environment: changes in the occurrence, spawning phenology and adult condition of common and green toads

The European Zoological Journal, 2020
Many features of the urban environment, such as a warmer microclimate, can positively affect populations of birds and mammals inhabiting cities, while at the same time may affect amphibians negatively.
J. Mazgajska, T. D. Mazgajski
doaj   +1 more source

The population change in Serbia in the post-Yugoslav period (1991-2017): Significant demographic aspects [PDF]

Sociološki Pregled, 2019
The aim of the paper is to consider the population trends in Serbia and their components over the last three decades. It is a period of profound political, economic and social transformations.
Penev Goran D., Predojević-Despić Jelena R.   +1 more
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Applying the Multi-Layer Perceptron Neural Network Model to Predicting School Closures: An Example of Taipei City [PDF]

Management and Economics Review, 2023
In this study, we utilised multi-layer perceptron neural networks (MLPNNs) to assess the issue of school closures. Specifically, this study uses the MLPNN model to conduct learning assessments to identify schools that may suffer from poor management. The
Mei-Mei LIN, Fu-Hsiang KUO
doaj   +1 more source

Declines of Aerial Insectivores in North America Follow a Geographic Gradient

Avian Conservation and Ecology, 2010
North American birds that feed on aerial insects are experiencing widespread population declines. An analysis of the North American Breeding Bird Survey trend estimates for 1966 to 2006 suggests that declines in this guild are significantly stronger than
Silke Nebel, Alex Mills, Jon D. McCracken, Philip D. Taylor   +3 more
doaj   +1 more source

Local Decline and Populism

SSRN Electronic Journal
Support for right-wing populist parties is characterised by considerable regional heterogeneity and especially concentrated in regions that have experienced economic decline. It remains unclear, however, whether the spatial externalities of local decline, including homelessness and crime, boost support for populist parties, even among those not ...
Thiemo Fetzer, Jacob Edenhofer, Prashant Garg   +2 more
openaire   +3 more sources

Over-summering as a risk effect reducing population growth in a long-distance migrant shorebird

Avian Conservation and Ecology
That anti-predator behavior can have large demographic consequences (called risk effects) is theoretically well-founded and experimentally supported. Here we investigate whether this mechanism could be contributing to population declines reported over ...
Ronald C Ydenberg, Lia Hemerik
doaj   +1 more source