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The novel coronavirus disease (COVID-19) was identified as the cause of an outbreak of respiratory disease in China at the end of 2019. It then spread with enormous rapidity and by mid-March 2020 was declared a world pandemic. Gilles de la Tourette…

Los glaciares rocosos en la zona semiárida de Chile constituyen recursos hídricos de importancia mayor, en los que tanto el cambio climático global como la continua expansión de actividades mineras en regiones de alta montaña, están generando un…

Gladiolus is an ornamental species produced for cut flowers and propagated by corms. The early flowering and increase in the number of flower buds, besides the production of commercial corms are constant challenges to be addressed in the crop…

Glassfrogs (family: Centrolenidae) represent a fantastic radiation (~150 described species) of Neotropical anurans that originated in South America and dispersed into Central America. In this study, we review the systematics of Ecuadorian glassfrogs,…

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has led to a rapid change worldwide. In ophthalmological examination, it was stated that the risk of virus transmission is high. For this reason, special protective equipment had…

The COVID-19 pandemic has caused unprecedented crisis across the world, with many countries struggling with the pandemic. In order to understand how each country is impacted by the virus and assess the risk on a global scale we present a regression…

Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate – the “global carbon budget” – is important to better understand the global…

The variation of environmental conditions deriving from global climate change in the state of Sinaloa and its impact on the region's main productive activities have not been sufficiently studied. The article describes various phenomena associated…

Reniform nematodes of the genus Rotylenchulus are semi-endoparasites of numerous herbaceous and woody plant roots that occur largely in regions with temperate, subtropical, and tropical climates. In this study, we compared 12 populations of…

In this paper, we have investigated the global dynamics of a discrete-time middle east respiratory syndrome (MERS-Cov) model. The proposed discrete model was analyzed and the threshold conditions for the global attractivity of the disease-free…