Results 31 to 40 of about 515,598 (363)
Conflict Management and Peace Science, 2020 This paper uses one of the largest changes to labor demand in developing countries—harvest—to examine how the returns to fighting vs. working impact the intensity of conflict. Exploiting the exogenous allocation and timing of harvest across Afghanistan, Iraq, and Pakistan, we find that the onset of harvest reduces the number of insurgent attacks by ...
Jenny Guardado, Steven Pennings
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The complex transmission seasonality of hand, foot, and mouth disease and its driving factors
BMC Infectious Diseases, 2019 Background The transmission rate seasonality is an important index for transmission dynamics in many childhood infections, and has been widely studied in industrialized countries. However, it has been neglected in the study of pathogens in China. Methods
Jijun Zhao, Xiangyu Hu
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Jornal Brasileiro de Psiquiatria, 2012 OBJECTIVE: Studies conducted mainly in countries located in the Northern Hemisphere have shown that season of birth influences mood seasonality. Greater mood seasonality has been observed for individuals born during spring/summer months than those born ...
Taciano L. Milfont +4 more
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Mid-Holocene expansion of the Indian Ocean warm pool documented in coral Sr/Ca records from Kenya
Scientific Reports, 2023 Proxy reconstructions suggest that mid-Holocene East African temperatures were warmer than today between 8 and 5 ka BP, but climate models cannot replicate this warming. Precessional forcing caused a shift of maximum insolation from boreal spring to fall
Maike Leupold +11 more
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Gestão & Produção, 2019 This study aims to present an alternative technique of exponential smoothing to estimate the demand for items with intermittent and seasonal demand. The usual technique would aggregate demand periods (months in quarters, for instance) to calculate a ...
Jorge Luiz de Biazzi
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On the association between outdoor PM 2.5 concentration and the seasonality of tuberculosis for Beijing and Hong Kong [PDF]
, 2016 Tuberculosis (TB) is still a serious public health problem in various countries. One of the long-elusive but critical questions about TB is what the risk factors are and how they contribute for its seasonality.
Dai, Yanjun +4 more
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Rooting competence of mini-cuttings of Cabralea canjerana clones in different seasons [PDF]
Ciência Rural, 2020 : The objectives of this research were to evaluate the rooting competence of mini-cuttings throughout the four seasons and to estimate the adventitious rooting time of canjerana clones.
Cláudia Burin +3 more
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Geographic body size variation in ectotherms: effects of seasonality on an anuran from the southern temperate forest [PDF]
, 2015 Indexación: Web of Science; Scopus.Background: Body size variation has played a central role in biogeographical research, however, most studies have aimed to describe trends rather than search for underlying mechanisms.
Cunningham, AA +2 more
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The unpredictably eruptive dynamics of spruce budworm populations in eastern Canada
Population Ecology, EarlyView.We examine historical population data for spruce budworm from several locations through the period 1930–1997, and use density‐dependent recruitment curves to test whether the pattern of population growth over time is more consistent with Royama's (1984; Ecological Monographs 54:429–462) linear R(t) model of harmonic oscillation at Green River New ...
Barry J. Cooke, Jacques Régnière
wiley +1 more source
Seasonality of coronaviruses and other respiratory viruses in Canada: Implications for COVID-19
Canada Communicable Disease Report, 2021 Background: Like endemic coronaviruses, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is believed to have emerged in humans from a zoonotic source and may ultimately develop a seasonal pattern.
Philippe Lagacé-Wiens +3 more
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