A5082187241- Geography and Environmental Studies
- Soil Management and Crop Yield
- Amazonian Archaeology and Ethnohistory
- Soil Carbon and Nitrogen Dynamics
- Soil erosion and sediment transport
- Environmental and biological studies
- Indigenous Health and Education
- Iron oxide chemistry and applications
- Cassava research and cyanide
- Clay minerals and soil interactions
- Pleistocene-Era Hominins and Archaeology
- Soil Geostatistics and Mapping
- Soil and Land Suitability Analysis
- Growth and nutrition in plants
- Rural Development and Agriculture
- Archaeology and ancient environmental studies
- Fish biology, ecology, and behavior
- Radioactive element chemistry and processing
- Silicon Effects in Agriculture
- Agroforestry and silvopastoral systems
- Isotope Analysis in Ecology
- Water Quality and Pollution Assessment
- Heavy metals in environment
- Forest ecology and management
- Agricultural and Food Sciences
Universidade Estadual da Paraíba
2023-2025
Universidade Federal de Campina Grande
2024-2025
Universidade Federal da Paraíba
2023-2024
Instituto Nacional do Semiárido
2018-2024
Centro Universitário de João Pessoa
2024
Universidade de São Paulo
2013-2022
Methodist University of Piracicaba
2019
Universidade Regional do Cariri
2018
Universidade Federal do Amazonas
2011
Fundação de Amparo à Pesquisa do Estado do Amazonas
2011
As informações referentes às características da paisagem nas microbacias hidrográficas são essenciais para a identificação de regiões com potencial agropecuário e fragilidade ambiental e, consequentemente, auxiliar no planejamento do uso ocupação terra na gestão dos recursos naturais. O objetivo deste estudo foi avaliar as hidrogeomorfométricas dinâmica cobertura solo microbacia rio Tamanduá por meio geotecnologias equações. A tem 17,48 km2, perímetro 25,35 km, forma alongada, altitudes...
Anthrosols known as Amazonian Dark Earth (ADE) have borne witness to the intensification of sedentary patterns and demographic increase in Central Amazon. As a result, recurring pattern has been observed mounds with ADE arising from domestic activities disposal waste. The objective this research was demonstrate relationship these anthropic pedogenetic formation processes municipality Iranduba, Brazil. Disturbed undisturbed soil samples were taken two areas (pretic horizon) non-anthropic...
The role of earthworms as one the most important groups ecosystem engineers in human-modified and natural environments has been increasingly recognized only during last 30 years, yet humans have acting together building landscapes for millennia. This relationship is well represented pre-Columbian raised fields, flood-prone savannas around rim Amazonia, but also by potentially significant formation resilience Amazonian Dark Earths. Through bioturbating action earthworms, soil biologically,...
Background and Research Aims: Soil quality (SQ) is the basis for Sustainability of Peasant Farming Systems (PFS). We hypothesized that different land uses modify soil through changes can be analyzed by determining Quality Index (SQI). Methods: samples were collected from 0-20 cm layer in five subsystems peasant agroecosystems located municipalities Solânea (A), Casserengue (B), Serraria (C). SQI was calculated using non-linear scoring, while a principal component analysis performed all data...
As microbacias hidrográficas são áreas naturais de captação da água chuva e o palco onde todas as atividades antrópicas estão conectadas por meio dos recursos hídricos, logo, também consideradas unidades ideais para a gestão sustentável naturais. Objetivou-se analisar características hidrogeomorfométricas cobertura do solo microbacia Rio Janeo, Estado Rondônia. Os dados foram obtidos geotecnologias equações. A tem área 4,88 km2, perímetro 11,97 km, forma alongada, altitudes entre 365 426 m,...
O planejamento de uso e ocupação do solo a partir conhecimento das características da paisagem é essencial para orientar as atividades antrópicas mitigar os impactos aos solos corpos hídricos, rumo ao desenvolvimento sustentável. objetivo dessa pesquisa foi disponibilizar informações sobre hidrogeomorfométricas dinâmica cobertura microbacia Tia Nilza, Amazônia Ocidental. As foram obtidas por sensoriamento remoto, técnicas geoprocessamento equações. imagens adquiridas MapBiomas (1985, 1998,...
ABSTRACT This study analyzed arbuscular mycorrhizal fungi (AMF) activity and soil chemical properties in Aspidosperma pyrifolium , Bauhinia ungulata Caesalpinia pyramidalis ferrea . AMF spores, root colonization, total glomalin‐related protein (T‐GRSP), easily extracted GRSP (EE‐GRSP), were measured four times (July 2019, 2020 December 2020). Significant differences observed T‐GRSP, EE‐GRSP among the plant species across seasons. For properties, we species. During dry season, B. C. had...
This study aimed to evaluate the sorption kinetics of P leaching at 0-10 cm layer a Regosol with and without organic fertilization in Brazilian semi-arid region (SAB). Adsorption, desorption, maximum adsorption capacity (Qmax) were determined columns. The contents crystalline amorphous Fe Al mineralogical crystallographic analyses oxides also determined. desorption phosphate was fast initial stage, slow over time, constant end reaction. Both mechanisms occur sandy soils SAB. Oxides influence...
The management of forest species in the recovery degraded areas semi-arid regions is mainly limited by availability water and nutrients. Thus, objective this research was to evaluate growth, yield, energy characteristics wood two Brazilian region subjected deficient irrigation with sewage effluent drip soil. For this, a field experiment conducted an agroforestry system native Caatinga biome: sabiá (Mimosa caesalpiniifolia Benth) aroeira (Myracrodruon urundeuva Allemão), intercropped forage...
Projections for the Brazilian semi-arid (BSA) region estimate a reduction in water bodies and an increase degraded areas. Recovering soils using treated wastewater (TWW) is strategy to resilience of local population these climatic adversities. This study aimed evaluate impact deficit irrigation with effluent on (geo)chemistry soil BSA. An experiment application TWW was conducted within agroforestry system. The treatments arranged randomized block design were WS0.5 (water supply at 0.5...
ABSTRACT Anthropic activities in their various aspects have promoted soil degradation the Brazilian semi-arid region (SAB). As a result, significant losses productivity and ability of soils to fulfill ecological functions been reported. The present study investigated effects on attributes properties under dense (CAD) sparse (CAE) shrubby Caatinga Campina Grande, PB, Brazil. Samples from 0-20 cm layer were via physical (particle size distribution density), chemical (acidity, electrical...
The assessment of soil quality is crucial for the sustainable development agriculture in semiarid regions. Due to their sensitivity management practices, chemical and physical indicators are used investigating quality. This study aimed assess smallholder agroecosystems from Brazilian region. Soil attributes were screened using principal component analysis (PCA) integrated into a weighted additive index (SQI). was obtained linear non-linear scoring methods, total data set (TDS), minimum...
A análise das características da paisagem é essencial para alcançar importantes objetivos Agenda 2030, por possibilitar a identificação do potencial agroflorestal e seleção de práticas conservacionistas voltados ao desenvolvimento sustentável. Assim, o objetivo dessa pesquisa foi analisar as hidrogeomorfométricas microbacia rio José Paulista, localizada no município Alta Floresta D’Oeste, estado Rondônia. tem área 5,66 km2, perímetro 11,67 km formato alongado. altitude varia 212 467 m, com...
A identificação e o mapeamento das características da paisagem na microbacia são fundamentais para conhecer os potenciais as limitações dos recursos natureza e, consequentemente, subsidiar planejamento a gestão destes em prol do desenvolvimento sustentável. Assim, objetivo desse trabalho foi identificar mapear hidrogeomorfométricas analisar dinâmica cobertura solo rio Sebastião. Os dados hidrogeomorfométricos foram obtidos por meio de sensoriamento remoto, geoprocessamento equações, (1985,...
ABSTRACT Amazonian dark earths (ADEs) are fertile soils created by pre-Columbian Amerindian societies of the Amazon Basin. However, it is still not clear whether these were produced intentionally to improve infertile upland or if they resulted from accumulation organic matter sedentary settlements. This study characterizes ADEs found in naturally alluvial floodplains River Central Brazilian according total, exchangeable, and available contents elements carbon soil profiles. contained higher...
As várzeas do rio Solimões são áreas inundáveis com predomínio de Gleissolos, onde se estabeleceu grande parte da população rural Estado Amazonas. Os objetivos deste trabalho foram caracterizar e classificar cinco perfis distribuídos em três bacia Médio Amazonas, localizados nas dos municípios Manacapuru Iranduba. Após a descrição morfológica solos, coletaram-se amostras seus horizontes para caracterização física, química mineralógica. Similarmente, todos os apresentaram expressiva gleização...
The processes of occupation and exploitation in the Amazon have been increasing, as a consequence, forest areas are being replaced by agroecosystems. As consequence this change, changes occurring soil attributes, consequently, stability aggregates these environments. Thus, work had two objectives: first was to evaluate impacts generated conversion forests into agroecosystems on attributes that related aggregates, southwestern region Amazon; second objective roles pedophysical pedochemical...
Abstract The conversion of natural ecosystem to pasture or agricultural fields is the main factor soil fertility and aboveground biomass decline in Amazon basin. Our aim here was present impacts on chemical properties associated with four land covers ( Coffea canephora , ecosystem, Theobroma cacao ) from basin, Amazonas, Brazil. pH, organic carbon (SOC), SOC stock, phosphorus (P), Ca 2+ Al 3+ H + +Al sum bases, cation exchange capacity (CEC), base saturation aluminium varied among studied...
Na Amazônia brasileira é comum a ocorrência de sítios arqueológicos. Frequentemente, observa-se que as ações humanas nesses promoveram modificações significativas em muitas das características físicas, morfológicas e químicas dos solos desses ambientes, tornando-os muito diferentes adjacentes, especialmente nas áreas terra firme da região. Embora muitos estudos tenham sido conduzidos visando compreender magnitude dessas seus reflexos na gênese influenciados, questões precisam ser mais bem...