Results 41 to 50 of about 3,318 (151)
Introducción. El registro de casos de leishmaniasis en el departamento de Guaviare evidenció la ausencia de estudios entomológicos dirigidos a identificar las especies de Lutzomyia de esa región del país. Objetivo.
Olga Lucía Cabrera +2 more
doaj +1 more source
Consequences of clearing and tillage on the soil of a natural Amazonian ecosystem
Abstract A comparative study was performed in the Oriental Amazon region of Brazil, on an experimental area of yellow latosol and red-yellow podzolic soils. Taking the forest soil as a reference, the chemical, physical, and micromorphological changes occurring after sequential burning, tillage and fallow-land were studied.
Da, Paulo F. +4 more
openaire +3 more sources
Conservation policies in Brazil differ between the “biomes” into which the country has divided its territory since 2004. The Amazon biome is predominantly tropical forest but also includes unique savanna ecosystems, while the Cerrado biome is composed of
William Douglas Carvalho +9 more
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The distribution and amount of carbon in the largest peatland complex in Amazonia
Peatlands in Amazonian Peru are known to store large quantities of carbon, but there is high uncertainty in the spatial extent and total carbon stocks of these ecosystems.
Frederick C Draper +9 more
doaj +1 more source
Introduction Several cases of acute Chagas disease (ACD) have been reported in the Peruvian Amazon basin. Methods The objective was to describe and investigate 6 ACD cases in children from indigenous Amazon communities in the province of Datem del ...
Rufino Cabrera +9 more
doaj +1 more source
Amazonian parrots (Psittacidae) are essential to ecosystem balance. Already vulnerable to habitat fragmentation and weak environmental regulations, they are now increasingly threatened by heavy metal contamination. This review synthesizes evidence on the
Marina Sette Camara Benarrós +3 more
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Realizou-se estudo visando identificar e comparar que conhecimentos básicos e uso de terapias alternativas relativos à Leishmaniose Tegumentar Americana (LTA), têm populações residentes em cinco áreas rurais (Sexta Vicinal, Quinta Vicinal, Trilha 410 ...
Rosilene da Conceição R. Moreira +3 more
doaj +2 more sources
Multidimensional poverty indicators in Brazil’s Legal Amazon
In public health research, socioeconomic indicators play a crucial role. They are essential for understanding the relation between poverty and health issues, as well as for allocating resources to public health infrastructure and providing appropriate ...
Camila de Moura Vogt +2 more
doaj +2 more sources
Spatial, temporal, and space-time analysis of leptospirosis cases in Acre, 2001-2022 [PDF]
Objective: To identify clusters of high and low risk for the occurrence of leptospirosis in space and space-time in Acre, between 2001 and 2022, as well as to characterize temporal trends and epidemiological profiles of the disease in the state. Methods:
Leonardo Augusto Kohara Melchior +3 more
doaj +1 more source
Resilience plays a crucial role in maintaining desirable ecosystem states and is a key objective of sustainable ecosystem management. This study synthesizes the concepts and measurement approaches of terrestrial ecosystem resilience and expounded on its ...
Tianjing Wu +5 more
doaj +1 more source

