Search Results - "Santos, Luis Antônio Coutrim dos"
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Characteristics of color and iron oxides of clay fraction in Archeological Dark Earth in Apuí region, southern Amazonas
Published in Geoderma (15-01-2016)“…One of the marks left by prehistoric man in the Amazonas landscape are the dark-colored soil stains, Archeological Dark Earth (ADE), which are rich in organic…”
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Spatial Variability of Soil Properties in Archeological Dark Earth Sites under Cacao Cultivation
Published in Revista Brasileira de Ciência do Solo (2016)“…ABSTRACT Soils with an A horizon formed by human activity, an anthropogenic A horizon, are found in the Amazon Region. Few studies have examined the spatial…”
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RADICULAR BIOMASS AND ORGANIC CARBON OF THE SOIL IN FOREST FORMATIONS IN THE SOUTHERN AMAZONIAN MESOREGION
Published in Revista árvore (01-01-2021)“…ABSTRACT The soils of the Amazon region, despite being under one of the densest forests in the world, are mostly characterized by the low availability of…”
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Soils characterization and classification in clean field, dirty field and forest areas in amazonian environments
Published in Bioscience journal (08-08-2019)“…The soil and vegetation characteristics of the southern Amazonas region include highly weathered soils, high aluminum content and some hydromorphic conditions,…”
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Physical and chemical properties of soils in different physiographic environments in the southern Amazonas region
Published in Bioscience journal (08-08-2019)“…The Amazon region has a great diversity of landscapes such as forests galleries, natural fields (“Cerrados Amazônicos”), dense forest, these environments made…”
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Soil chemical attributes in areas under conversion from forest to pasture in southern Brazilian Amazon
Published in Scientific reports (29-12-2022)“…The south of the Brazilian Amazon is one of the largest cattle-producing regions in Brazil, however, most of the pastures are in low fertility soils. Thus,…”
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Soil–landscape relationship in a sandstone-gneiss topolithosequence in the State of Amazonas, Brazil
Published in Environmental earth sciences (01-11-2021)“…The soil position in the landscape reveals its formation history. Landscapes combine surface features and subsurface components (parent material) of the earth,…”
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Physical soil attributes in areas under forest/pasture conversion in northern Rondônia, Brazil
Published in Environmental monitoring and assessment (01-01-2022)“…The main cause of physical degradation in pasture areas is overgrazing, and when combined with poorly productive soils, it causes the loss of millions of…”
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Dynamics and spatial aspects of erodibility in Indian Black Earth in the Amazon, Brazil
Published in Catena (Giessen) (01-02-2020)“…•This paper was to characterize the dynamics and spatial aspects of erodibility.•Texture governs higher or lower loss rates according to grain size.•Cultivated…”
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Soil hydraulic properties, mineralogical alteration and pore formation in Regosols from southern Brazil
Published in Revista Brasileira de Ciência do Solo (01-01-2024)“…ABSTRACT Regosols (Neossolos) are soils with use limitations mainly related to effective depth, abundant presence of rock and saprolite fragments, and…”
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Physical attributes of soil under amazon forest conversion for different crop systems in southern Amazonas, Brazil
Published in Canadian Journal of Soil Science (01-12-2019)“…The conversion of forested areas into cropping systems modifies the soil physical attributes and affects the environmental and economic sustainability of…”
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Spatial variability of soil erodibility in pastures and forest areas in the municipality of Porto Velho, Rondônia
Published in Revista ambiente & água (27-12-2021)“…“Erodibility” is a characteristic of the soil that represents the susceptibility with which its particles from the most superficial layer are taken and…”
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Pedogenesis in an Archaeological Dark Earth – Mulatto Earth Catena over Volcanic Rocks in Western Amazonia, Brazil
Published in Revista Brasileira de Ciência do Solo (01-01-2018)“…ABSTRACT Archaeological Dark Earth (ADE) pedogenesis and pre-Columbian history are fundamental for understanding the biodiversity and pedodiversity of the…”
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Uso de resíduos de castanha-do-Brasil para o cultivo de cactos globulares na região Amazônica
Published in Revista verde de agroecologia e desenvolvimento sustentável (01-07-2022)“…Este trabalho objetivou avaliar as respostas de crescimento de três espécies globulares da família Cactaceae: Astrophytum asterias (Zucc.) Lem., Gymnocalycium…”
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Resilience and microstructural resistance of Archaeological Dark Earths with different soil organic carbon contents in Western Amazonia, Brazil
Published in Geoderma (01-04-2020)“…•Microstructure strength recovery of the Archaeological Dark Earths (ADEs) is fast.•Similar soil properties affect microstructural resilience and rheology of…”
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Caracterização de terras pretas arqueológicas no sul do estado do Amazonas
Published in Revista Brasileira de Ciência do Solo (01-08-2013)“…As Terras Pretas Arqueológicas (TPAs) são unidades de solo que apresentam como características alta fertilidade, coloração escura e presença de fragmentos…”
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A new frontier of archaeological dark earth at the northern Amazonia headwaters of Roraima state: Soil attributes and landscape interplays
Published in Journal of South American earth sciences (01-01-2024)“…Despite the existence of various studies on Archaeological Dark Earth - ADE, there is still a very large gap concerning the Amazon region, with many areas…”
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Magnetic and spectral signature of anthropogenic and non-anthropogenic soils to identify pedogenetic processes in Amazonia, Brazil
Published in Geoderma Regional (01-03-2023)“…The present study evaluated the contribution of Fe oxides of the clay fraction as an indicator of pedogenetic and anthropogenic processes of Indian Black…”
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Seasonality, soil attributes and root biomass in cerrado, cerradão and forest environments, western Amazon
Published in Bioscience journal (30-11-2022)“…The Amazon rainforest region presents a phytophysiognomy that ranges from savannas to cerrados, all of them intimately associated to climate and soil…”
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Caracterização física e química de terras pretas arqueológicas e de solos não antropogênicos na região de Manicoré, Amazonas
Published in Agro@mbiente on-line (31-08-2012)“…Os solos predominantes na região Amazônica pertencem à classe dos Latossolos e Argissolos, caracterizado por seu alto grau de intemperismo e baixa fertilidade…”
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