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Selecting terrestrial arthropods as indicators of small-scale disturbance: A first approach in the Brazilian Atlantic Forest
The growing pressure placed by human development on natural resources creates a need for quick and precise answers about the state of conservation of different areas. Thus, identifying and making useExpand
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Earthworm communities in organic and conventional coffee cultivation
The objective of this work was to evaluate the effect of organic and conventional coffee crops on biomass, population density and diversity of earthworms, in Lerroville, district of Londrina County,Expand
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Abundance of epigaeic arthropods in a Brazilian savanna under different fire frequencies
ABSTRACT. Fire is a major determinant of structure and dynamics in savannas, and the rapid increase of human activities inthis biome has changed the natural burning regime. The effects of fire on theExpand
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Glycerol dehydration over micro- and mesoporous ZSM-5 synthesized from a one-step method
Abstract In this work, ZSM-5 zeolites with low Si/Al ratios (25, 50 and 75) were synthesized with a one-step synthesis method and used for the gas-phase glycerol dehydration reaction. The catalystsExpand
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Influence of reaction parameters on glycerol dehydration over HZSM-5 catalyst
HZSM-5 with Si/Al ratio of 25 has been synthesized and applied as a catalyst to the gas-phase dehydration of glycerol. Despite the high conversion and selectivity to acrolein achieved by thisExpand
Scientific ballooning in Brazil
Abstract We present an overview of the scientific ballooning activities that took place in Brazil over the past 30 years as well as the current ongoing efforts in the area. We also briefly describeExpand
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