Dengue has become a challenge for many countries. Arboviruses transmitted by Aedes aegypti spread rapidly over the last decades. The emergence chikungunya fever and zika in South America poses new challenges to vector monitoring control. This situation got worse from 2015 2016, with rapid of chikungunya, causing muscle weakness, Zika virus, related cases microcephaly newborns occurrence Guillai...

The most used bricks in house building NDjamena, city of Chad which is situated semi dry arid area with 600 millimeters pluviometry per year and 50 °C as highest temperature, are raw clay bricks, terracotta or ciment block. have strong sensibility water weak resistance to compression. cement block high thermal conductivity contrary the adobe their manufacturingcontribute destroy environment. a...

A long and complete series of monthly rainfall amounts corresponding to Barcelona city (Catalonia, NE Spain), exceeding two centuries (years 1786–2019), is analysed in detail. The obtained results periodicity (annual scale), time trends (monthly, seasonal annual scales), statistical distribution (seasonal scale) fractal/multifractal structures self-similarity at scale depict the complex structu...

Over the last three decades, almost half of Brazilian tropical savanna (Cerrado biome) has been converted into cropland and planted pastures. This study aims to understand implications expansion agricultural frontier for water resources in western Bahia state. We use an interdisciplinary approach that combines quantitative qualitative data (spatial hydrological analysis, interviews) tie togethe...

Leptospirosis is a zoonosis of worldwide distribution with major incidence in the tropics. In New Caledonia, it has been studied for years and is regarded as a major public health concern. It is characterized by an endemic pattern with seasonal epidemics arising during rainy periods, notably during “la Niña” periods. Both the endemic and epidemics have a rural epidemiology and result from the i...

Os estuários são ambientes aquáticos susceptíveis a impactos antrópicos provenientes do uso ocupação solo de forma desordenada, e pelo despejo efluentes doméstico ou industriais, que podem resultar na baixa qualidade da água nesses ecossistemas, afetando toda biodiversidade as dinâmicas socioeconômicas, como no caso pesca artesanal. O objetivo foi identificar rio Goiana, em específico área domí...