Carlos Tadeu dos Santos Dias
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View article: Can the physical‐hydraulic properties of degraded soil be improved using polymers?
Can the physical‐hydraulic properties of degraded soil be improved using polymers? Open
For a degraded soil it is assumed that improvements in key physical‐hydraulic properties occur at an optimum superabsorbent polymer (SAP) application rate, following repeated wetting and drying cycles. A column experiment was carried out i…
View article: Frequency domain reflectometry and Hydrus-1D for parameterizing the van Genuchten equation in a sandy entisol
Frequency domain reflectometry and Hydrus-1D for parameterizing the van Genuchten equation in a sandy entisol Open
This study hypothesized that estimating van Genuchten equation parameters using Hydrus-1D, with matric potential data (from tensiometry) and moisture data (from gravimetry and FDR probe), yields soil-water retention curves (SWRC) more cons…
View article: Identification of an extraction protocol from dried blood spots for untargeted metabolomics: application to phenylketonuria
Identification of an extraction protocol from dried blood spots for untargeted metabolomics: application to phenylketonuria Open
View article: Traditional Açaí Extractivism and Technological Innovation in Murumuru Quilombo, Brazilian Amazon
Traditional Açaí Extractivism and Technological Innovation in Murumuru Quilombo, Brazilian Amazon Open
In the native açaí groves of Lago do Maicá, in western Pará, harvesting is still performed using traditional techniques such as the peconha, which is a rope device tied to the feet that helps with climbing açaí palms. The absence of afford…
View article: Biochar as a Strategy to Mitigate Greenhouse Gases in Degraded Drylands of the Brazilian Semiarid Region: Carbon Stocks and CO <sub>2</sub> Fluxes
Biochar as a Strategy to Mitigate Greenhouse Gases in Degraded Drylands of the Brazilian Semiarid Region: Carbon Stocks and CO <sub>2</sub> Fluxes Open
Background Biochar can enhance total organic carbon (TOC) stocks and reduce CO 2 emissions in degraded soils. Aims This study assessed the effects of pyrolytic biochars on TOC recovery and CO 2 emissions in a greenhouse experiment. Methods…
View article: Imprecisions in imber yield estimation: challenges in Amazonian Forest management plans
Imprecisions in imber yield estimation: challenges in Amazonian Forest management plans Open
In the Amazon, Forest Management Plans (FMPs) aim to balance economic activities with environmental objectives, yet relying solely on timber volume as a yield indicator may compromise the effectiveness of Annual Operating Plans (AOPs), lea…
View article: Territorial Dynamics and Native Açaí Extractivism in the Brazilian Amazon: Challenges and Prospects for a Community-Based Bioeconomy in Murumuru Quilombo
Territorial Dynamics and Native Açaí Extractivism in the Brazilian Amazon: Challenges and Prospects for a Community-Based Bioeconomy in Murumuru Quilombo Open
Guiding Question: What are the challenges and prospects for a community-based bioeconomy in the Murumuru quilombola territory, given the new territorial dynamics and native açaí extractivism in the Brazilian Amazon? Objective: To understan…
View article: Topoclimatic Zoning in the Brazilian Amazon: Enhancing Sustainability and Resilience of Native Forests in the Face of Climate Change
Topoclimatic Zoning in the Brazilian Amazon: Enhancing Sustainability and Resilience of Native Forests in the Face of Climate Change Open
The Brazilian Amazon, a global biodiversity hotspot, faces escalating anthropogenic pressures and climate change, underscoring the urgent need to identify priority areas for ecological restoration and sustainable forest use. This study app…
View article: Effect of inoculation with arbuscular mycorrhizal fungi on larvicidal activity and phenolic compounds in Mimosa tenuiflora cultivated under field conditions
Effect of inoculation with arbuscular mycorrhizal fungi on larvicidal activity and phenolic compounds in Mimosa tenuiflora cultivated under field conditions Open
Background Mimosa tenuiflora (Willd.) is an essential leguminous tree used in Brazilian northeastern folk medicine, and its extracts have been tested against larvae of Aedes aegypti . These tests typically use parts from adult plants colle…
View article: Adoption and Diversity of Agroforestry Systems in the Amazon Biome: A Bibliometric Overview
Adoption and Diversity of Agroforestry Systems in the Amazon Biome: A Bibliometric Overview Open
Agroforestry systems (AFSs) exhibit varied composition and dynamics as intrinsic characteristics of their specificities. In this context, a review of the adoption, composition, and dynamics of AFSs in the Amazon biome was conducted to iden…
View article: Topoclimatic Zoning of Three Native Amazonian Forest Species: Approach to Sustainable Silviculture
Topoclimatic Zoning of Three Native Amazonian Forest Species: Approach to Sustainable Silviculture Open
Anthropized areas in the Brazilian Amazon require detailed mapping to identify zones for sustainable use. This study developed a topoclimatic zoning framework to evaluate the conservation and agroforestry potential of three native species:…
View article: Decomposition and nutrient release from shoot of legumes cover crops
Decomposition and nutrient release from shoot of legumes cover crops Open
The cover crops can reduce soil exposure and erosion while enhancing nutrient cycling for crops. Effective implementation requires understanding how cover crops decompose and release nutrients to align with crop demand. This research asses…
View article: Susceptible-Infected-Susceptible dynamics with mitigation in connection of infected population
Susceptible-Infected-Susceptible dynamics with mitigation in connection of infected population Open
The susceptible-infected-susceptible epidemic model is analyzed through a degree-based mean-field approach. In this work, a mitigation factor is introduced in the probability of finding an infected individual following an edge. This modifi…
View article: Wood density of forest species in integrated crop-livestock-forest system in the Brazilian Amazon: challenges and opportunities for Bertholletia excelsa, Dipteryx odorata, and Khaya grandifoliola
Wood density of forest species in integrated crop-livestock-forest system in the Brazilian Amazon: challenges and opportunities for Bertholletia excelsa, Dipteryx odorata, and Khaya grandifoliola Open
Wood density is the physical property directly related to the timber potential of a species and influences the environmental service of carbon storage and sequestration. Therefore, the objective of this study was to evaluate the wood densi…
View article: Suplementação de 25-hidroxicolecalciferol para leitões pós desmama
Suplementação de 25-hidroxicolecalciferol para leitões pós desmama Open
Foram utilizados 210 leitões castrados e fêmeas, híbridos comerciais, desmamados aos 28 dias de idade com peso inicial de 8,47 ± 1,24 kg, alimentados com dietas contendo metabólito ativo da vitamina D3 (25-hidroxicolecalciferol (25(OH)D3) …
View article: Challenges of smart irrigation implementation in water optimization and agricultural sustainability
Challenges of smart irrigation implementation in water optimization and agricultural sustainability Open
Faced with the need for more efficient and sustainable irrigation practices, this study evaluated smart irrigation technologies to optimize water resource usage, analyzing their efficiency, agricultural impacts, and implementation challeng…
View article: Influence of culture media and Trichoderma spp. on the growth and sporulation of Pseudocercospora griseola in vitro
Influence of culture media and Trichoderma spp. on the growth and sporulation of Pseudocercospora griseola in vitro Open
Angular leaf spot (Pseudocercospora griseola) impacts the productivity of bean crops (Phaseolus vulgaris). In culture media, the pathogen P. griseola requires nutritional, light, and temperature control for its growth and sporulation. For …
View article: Assessing Forest Degradation Through Remote Sensing in the Brazilian Amazon: Implications and Perspectives for Sustainable Forest Management
Assessing Forest Degradation Through Remote Sensing in the Brazilian Amazon: Implications and Perspectives for Sustainable Forest Management Open
Forest degradation and forest disturbance are distinct yet often conflated concepts, complicating their definition and monitoring. Forest degradation involves interrupted succession and a severe reduction in forest services over time, caus…
View article: Evolution of Agroforestry Systems in the Amazon biome: Scope review with Emphasis on Adoption and Diversity
Evolution of Agroforestry Systems in the Amazon biome: Scope review with Emphasis on Adoption and Diversity Open
Agroforestry systems (AFS) exhibit varied composition and dynamics as intrinsic characteristics of their specificities. In this context, a review of the adoption, composition, and dynamics of AFS in the Amazon biome was conducted to identi…
View article: Exigência de energia metabolizável de fêmeas suínas primíparas em lactação
Exigência de energia metabolizável de fêmeas suínas primíparas em lactação Open
Foram utilizadas 40 fêmeas suínas híbridas comerciais primíparas, com peso inicial de 187,7 ± 15,08 kg, para determinar exigência diária de energia metabolizável na ração, durante a lactação (28 dias). Utilizou-se o delineamento experiment…
View article: Lisina digestível para fêmeas suínas primíparas em lactação
Lisina digestível para fêmeas suínas primíparas em lactação Open
Foram utilizadas 85 fêmeas suínas primíparas em lactação, híbridas comerciais, com peso inicial de 203,7 ± 17,32 kg, para avaliar o efeito de diferentes consumos de lisina digestível (CLD)/dia) durante a lactação. O consumo de ração foi fi…
View article: COMPARATIVO DO ECC E SUA INFLUÊNCIA NA PRENHEZ EM PROTOCOLO DE IATF EM VACAS – REVISÃO DE LITERATURA
COMPARATIVO DO ECC E SUA INFLUÊNCIA NA PRENHEZ EM PROTOCOLO DE IATF EM VACAS – REVISÃO DE LITERATURA Open
A inseminação artificial (IA), especialmente a Inseminação Artificial em Tempo Fixo (IATF), tem se consolidado como uma tecnologia essencial na produção de bovinos, promovendo o melhoramento genético, e aumentando a lucratividade dos produ…
View article: Imprecision in Yield Estimates Using Timber Volume in Forest Management Plans in the Amazon
Imprecision in Yield Estimates Using Timber Volume in Forest Management Plans in the Amazon Open
The evaluation of logging in a forest management area using only the volume variable is not sufficient to assess the effectiveness of the harvest. The objective was to evaluate harvested volume using different logging variables to point ou…
View article: Oral Staphylococcus Species and MRSA Strains in Patients with Orofacial Clefts Undergoing Surgical Rehabilitation Diagnosed by MALDI-TOF MS
Oral Staphylococcus Species and MRSA Strains in Patients with Orofacial Clefts Undergoing Surgical Rehabilitation Diagnosed by MALDI-TOF MS Open
This study investigated the occurrence and dynamics of oral Staphylococcus species in patients with orofacial clefts undergoing surgical rehabilitation treatment. Patients (n = 59) were statistically stratified and analyzed (age, gender, t…
View article: Geostatistical and multivariate analysis of soil attributes between terrace channels in the semi-arid region
Geostatistical and multivariate analysis of soil attributes between terrace channels in the semi-arid region Open
The spatial variability of soil attributes in terraced areas is poorly studied in the semi-arid region. Considering that multivariate analysis enhances the diagnosis of spatial variability from geostatistics, soil attributes were studied i…
View article: Imprecision in Yield Estimates Using Timber Volume in Forest Management Plans in the Amazon
Imprecision in Yield Estimates Using Timber Volume in Forest Management Plans in the Amazon Open
The yield of logging in a forest management area using only the volume variable is not sufficient to assess effective wood productivity. The objective was to evaluate production using different logging variables to point out possible diver…
View article: Spatio-Temporal Assessment of Heterogeneity by Logging Intensity in a Federal Concession Area in the Brazilian Amazon
Spatio-Temporal Assessment of Heterogeneity by Logging Intensity in a Federal Concession Area in the Brazilian Amazon Open
The logging intensity often does not take into account the spatial heterogeneity of the forest volume of commercial native species in the Brazilian Amazon. This study aims to evaluate the spatio-temporal heterogeneity distribution by asses…
View article: Nitrogen and phosphorus removal from synthetic aquaculture water through electrocoagulation
Nitrogen and phosphorus removal from synthetic aquaculture water through electrocoagulation Open
In this research, we utilized multivariate analysis to evaluate the efficient removal of nitrogen and phosphorus from synthetic aquaculture water using the electrocoagulation process. The elimination of nitrogen and phosphorus is a critica…
View article: Carbon and Methane as Indicators of Environmental Efficiency of a Silvopastoral System in Eastern Amazon, Brazil
Carbon and Methane as Indicators of Environmental Efficiency of a Silvopastoral System in Eastern Amazon, Brazil Open
Livestock systems have been identified as major emitters of greenhouse gases due to the use of extensive areas with degraded pastures. The objective of this study was to analyze carbon (CO2) and methane (CH4) fluxes in the atmosphere as in…
View article: Demystifying Electrode Strategies: A Multivariate Analysis Comparing Perforated and Non-Perforated Electrodes in the Electrochemical Treatment of Effluents from Fish Farms
Demystifying Electrode Strategies: A Multivariate Analysis Comparing Perforated and Non-Perforated Electrodes in the Electrochemical Treatment of Effluents from Fish Farms Open