Search Results - "Ernesto Gonçalves Reynaud Schaefer, Carlos"
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A new methodological framework for geophysical sensor combinations associated with machine learning algorithms to understand soil attributes
Published in Geoscientific Model Development (10-02-2022)“…Geophysical sensors combined with machine learning algorithms were used to understand the pedosphere system and landscape processes and to model soil…”
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Chemical weathering detection in the periglacial landscapes of Maritime Antarctica: New approach using geophysical sensors, topographic variables and machine learning algorithms
Published in Geoderma (01-10-2023)“…•The chemical weathering intensity in Maritime Antarctica is modeled.•A geophysical survey and lithological characteristics as input data.•Proximal geophysical…”
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Soil Erosion Satellite-Based Estimation in Cropland for Soil Conservation
Published in Remote sensing (Basel, Switzerland) (01-01-2023)“…Intensive cropland expansion for an increasing population has driven soil degradation worldwide. Modeling how agroecosystems respond to variations in soil…”
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Climate and soils at the Brazilian semiarid and the forest-Caatinga problem: new insights and implications for conservation
Published in Environmental research letters (01-10-2019)“…This study aimed to test two hypotheses: (i) on the Brazilian semiarid territory, the climate has greater weight as a driver of vegetation than the soil and;…”
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Geochemistry of Antarctic periglacial soils from Harmony Point, Nelson Island
Published in Environmental earth sciences (01-06-2021)“…Little is known about the geochemical baseline of Antarctic soils in different environments. We investigated the soil geochemistry of the two main landscape…”
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Soils and landscapes of Marajó island, Brazilian Amazonia: Holocene evolution, geoarchaeology and climatic vulnerability
Published in Environmental earth sciences (01-05-2022)“…The Brazilian territory has a very extensive coastline, with more than 7500 km, and the largest and complex fluvio-marine archipelago on the planet, centred by…”
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Phosphatized volcanic soils of Fernando de Noronha Island, Brazil: Paleoclimates and landscape evolution
Published in Catena (Giessen) (01-12-2020)“…•In Fernando de Noronha Island are soil with different weathering degrees.•Some soils have features overprint paleoweathered regoliths and former…”
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Mapping vegetation on ferruginous substrates using ASTER and gamma-spectrometry images in the Iron Quadrangle, Minas Gerais
Published in Revista árvore (01-01-2019)“…ABSTRACT The Iron Quadrangle (IQ) region in Minas Gerais is remarkably geobiodiverse, despite a long history of anthropogenic pressures such as mining and…”
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Unexplored Brazilian oceanic island host high salt tolerant biosurfactant-producing bacterial strains
Published in Extremophiles : life under extreme conditions (01-05-2015)“…We aimed to isolate biosurfactant-producing bacteria in high salt conditions from uncontaminated soils on the Brazilian oceanic island, Trindade. Blood agar…”
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Geochemical evolution of soils developed from pyroclastic rocks of Trindade Island, South Atlantic
Published in Brazilian journal of geology (01-01-2021)“…The geochemical behavior of the major, minor, trace and rare earths elements (REEs) in soil profiles from ultramafic volcanoclastic rocks of the Vulcão do…”
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Soil modification by termites in a sandy-soil vegetation in the Brazilian Atlantic rain forest
Published in Journal of tropical ecology (01-09-2013)“…Termites play a critical role in the regulation of soil processes, for example, water retention, nutrient cycling, and the formation and maintenance of soil…”
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The role of biological agents in the microstructural and mineralogical transformations in aluminium lateritic deposit in Central Brazil
Published in Geoderma (01-08-2014)“…Petrological studies using X-ray diffraction (XRD) and micromorphological analyses (Optical Microscopy and SEM), were done to understand the role of biological…”
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Invasive alien acacias rapidly stock carbon, but threaten biodiversity recovery in young second-growth forests
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (02-01-2023)“…Under the UN-Decade of Ecosystem Restoration and Bonn Challenge, second-growth forest is promoted as a global solution to climate change, degradation and…”
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Do fragment size and edge effects predict carbon stocks in trees and lianas in tropical forests?
Published in Functional ecology (01-02-2017)“…Summary Tropical forests are critical for protecting global biodiversity and carbon stores. While forest degradation and fragmentation cause negative impacts…”
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Organic carbon rich-soils in the brazilian semiarid region and paleoenvironmental implications
Published in Catena (Giessen) (01-05-2022)“…•C-rich soils are identified in Caatinga;•C-rich soils have up to 94% SOC more than typical Caatinga soils;•Acidity, P, fine sand and silt contribute to…”
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Deciphering landscapes through the lenses of locals: The “Territorial Social-Ecological Networks” Framework applied to a Brazilian maroon case
Published in Geoforum (01-03-2019)“…•Landscapes and territories are entwined in an adaptive social-ecological system.•Social-ecological networks of multiple space-time scales co-produce a…”
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The unique and endangered Campo Rupestre vegetation and protected areas in the Iron Quadrangle, Minas Gerais, Brazil
Published in Journal for nature conservation (01-04-2022)“…The Iron Quadrangle (IQ) in Brazil is one of the world's largest reserves of iron ore, and besides its economic importance, the region also plays a key role in…”
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Diversity, distribution, and ecology of viable fungi in permafrost and active layer of Maritime Antarctica
Published in Extremophiles : life under extreme conditions (01-07-2020)“…We evaluated the diversity and distribution of viable fungi present in permafrost and active layers obtained from three islands of Maritime Antarctica. A total…”
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Applied gamma-ray spectrometry for evaluating tropical soil processes and attributes
Published in Geoderma (01-01-2021)“…•Weathering and pedogenesis on landscape affect distribution radionuclides.•Lithology strongly affect radionuclides content on less evolved soil…”
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