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AIM: Aquatic environments of semi-arid regions are subject to changes in water quality and volume due to short and irregular rain seasons. Consequently, zooplankton composition changes in association to fluctuations in the trophic degree. To…

Abstract Background Since November 2019, the world has suffered the disastrous consequences of the COVID-19 pandemic. No country has been spared either socially or economically. Given the inevitability of the spread of this virus, researches have…

Densitat de població i estructura d’una comunitat d’ocells reproductors en un hàbitat suburbà del sistema de drenatge de Cuvelai, al nord de Namíbia En un suburbi (100 ha aproximadament) d’Ongwediva es van registrar un total de 30 espècies d’ocells…

Population density and reproduction were studied in two leaf-eared mice (Phyllotis spp.) in the Peruvian locality known as Lomas de Lachay. Density varied between 0-3 individuals ha-1 in P. andium, and between 0-12 individuals ha-1 in P. amicus. An…

The aim of this study was to describe the abundance, weight and body length structures, and reproductive and health status of the black rat Rattus rattus and the house mouse Mus musculus from Yucatán, México. Rodents were trapped from May to…

The ecology of Eudendrium spp. from the Brazilian coast is poorly known, although it already proved to be useful and important as a tool to solve some taxonomical problems of the genus. The seasonality and reproduction patterns of a population of…

Background: To date, any attention paid to the age shape of COVID-19 deaths has been mostly in relation to understanding the differences in case fatality rates between countries. Objective: We explore differences in the age distribution of deaths…

Resumo: As fontes renováveis de energia têm ganhado cada vez mais destaque no cenário mundial atual, sendo os pilares da busca pelo desenvolvimento sustentável. A transferência de conhecimento do ensino superior para o ensino médio, com relação aos…

Cooperatives popular if together build up in principle as solidarity and self-management. However, note that many difficulties in many respects managerial and market access restrictions. Within this context, the main goal of this project was to…

Compreender as formas de sobrevivência dos insetos em períodos desfavoráveis e sua relação com plantas e suas respectivas estruturas morfológicas é fundamental para o manejo integrado de pragas. O trabalho teve por objetivo avaliar a densidade…