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Bird diversity in the Serra do Aracá region, northwestern Brazilian Amazon: preliminary check-list with considerations on biogeography and conservation

Sérgio Henrique Borges, Andrew Whittaker, Ricardo Afonso Machado de Almeida • Zoologia (Curitiba) (2014)

We inventoried the birds from Serra do Aracá region, state of Amazonas. The region encompasses a high diversity of vegetation types, including white sand forests and campinas, terra firme and flooded forests, montane forests and tepuis. We ...

DOAJ Open Access (DOAJ) DOI: 10.1590/S1984-46702014000400006

Fluid-Solid Interaction Analysis of a Flow Passing Cylinder Based on Variational Mode Decomposition

Zuo Yaju, Fang Mingkun, Zhu Di, Lu Jiahao et al. • E3S Web of Conferences (2024)

The fluid-structure interaction problem of cylindrical flow around the cylinder is a classic problem, especially in many fields such as energy engineering, fluid dynamics, engineering structure, energy utilization and development, and envir...

DOAJ Open Access (DOAJ) DOI: 10.1051/e3sconf/202452001017

Hydrogeochemical Characterization and Appraisal of Groundwater Quality in Yisr River Catchment, Blue Nile River Basin, Ethiopia, by Using the GIS, WQI, and Statistical Techniques

Abebaw Demelash, Abunu Atlabachew, Muralitharan Jothimani, Abel Abebe • Journal of Chemistry (2023)

Groundwater is a primary drinking, agricultural, domestic, and nondomestic water source in Ethiopia’s Yisr River watershed of the Blue Nile River basin. There has been no systematic investigation of the hydrogeochemical properties of ground...

DOAJ Open Access (DOAJ) DOI: 10.1155/2023/8199000

Arbuscular mycorrhizal fungi contribute to wheat yield in an agroforestry system with different tree ages

Xu Qiao, Xu Qiao, Tao Sun, Tao Sun et al. • Frontiers in Microbiology (2022)

Intercropping achieved through agroforestry is increasingly being recognized as a sustainable form of land use. In agroforestry, the roots of trees and crops are intermingled, and their interactions and the production of exudates alter the ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2022.1024128

The quality and nutritional value of beef from Angus steers fed different levels of humate (K Humate S100R)

Forough Ataollahi, John W. Piltz, Geoff R. Casburn, Benjamin W.B. Holman • Veterinary and Animal Science (2024)

This study compared the effect of four levels of K Humate S100R (potassium humate) supplementation on the quality, shelf-life, and nutritional properties of beef. Angus steers (n = 40) were individually housed and fed either 0, 35, 70, or 1...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.vas.2024.100355

Lactational performance and plasma and muscle amino acid concentrations in dairy cows fed diets supplying 2 levels of digestible histidine and metabolizable protein

S.E. Räisänen, C.F.A. Lage, C. Zhou, A. Melgar et al. • Journal of Dairy Science (2022)

ABSTRACT: The objective of this experiment was to investigate the effect of dietary levels of digestible histidine (dHis) and MP on lactational performance and plasma and muscle concentrations of free AA in dairy cows. A randomized block de...

DOAJ Open Access (DOAJ) DOI: 10.3168/jds.2021-20800

The Effect of Hydrated Sodium Calcium Aluminosilicate on Fatty Liver and the Composition of the Intestinal Microbiota in Overfed Landes Geese

J Tang, Q Fang, M Lu, R Shao et al. • Brazilian Journal of Poultry Science

ABSTRACT Goose fatty liver is a delicious food product and the overfeeding will cause the abnormal physiology of the geese. The objective of this study was to investigate the effect of supplementation with hydrated sodium calcium aluminosil...

DOAJ Open Access (DOAJ) DOI: 10.1590/1806-9061-2017-0499

Feeding Pasteurized Waste Milk to Preweaned Dairy Calves Changes Fecal and Upper Respiratory Tract Microbiota

Georgina Maynou, Hugh Chester-Jones, Alex Bach, Alex Bach et al. • Frontiers in Veterinary Science (2019)

In the present study bacterial communities from both, the gastrointestinal and respiratory tract of pre-weaned dairy calves fed two different milk-feeding programs were characterized using 16S rRNA gene sequencing. Twenty female Holstein ca...

DOAJ Open Access (DOAJ) DOI: 10.3389/fvets.2019.00159

Impacts of trail running and mountain biking: Resilience of a Mediterranean mountain ecosystem

Francisco Gómez-Prieto, Pablo Tejedo, Miguel Faucha, Adrián Escudero et al. • iScience (2026)

Summary: Rising outdoor activities have created major challenges for managing protected natural areas due to uncertain ecological effects. This study analyzes the impacts of two expanding sports, trail running and mountain biking, on flat a...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.isci.2026.117721

Influence of convectively coupled equatorial Kelvin waves on March-May precipitation over East Africa

Okello Ochieng Phillip, Tan Guirong, Ongoma Victor, Nyandega Isaiah • Geographica Pannonica (2021)

Convectively coupled equatorial Kelvin waves (CCEKWs) are those types of equatorially trapped disturbances that propagate eastward and are among the most common intra-seasonal oscillations in the tropics. There exists two-way feedback betwe...

DOAJ Open Access (DOAJ) DOI: 10.5937/gp25-31132

Fatty acid composition, bioactive phytochemicals, antioxidant properties and oxidative stability of edible fruit seed oil: effect of preharvest and processing factors

Tafadzwa Kaseke, Umezuruike Linus Opara, Olaniyi Amos Fawole • Heliyon (2020)

Fruit seed is a by-product of fruit processing into juice and other products. Despite being treated as waste, fruit seed contains oil with health benefits comparable or even higher than the conventional seed oil from field crops. In additio...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2020.e04962

Long-term fertilization enriches soil food web mainly through bottom-up regulation in a rice–wheat cropping system

Yunfeng Chen, Cheng Hu, Yufei Li, Xuemei Han et al. • Journal of Integrative Agriculture (2026)

Long-term fertilization shapes the size and community composition of the soil food web by altering resource quantity and quality. Previous studies have examined specific components; however, comprehensive effects on the entire food web and ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jia.2025.11.039

Study on Three Sarcocapnos Species as Potential Sources of Bioactive Compounds: Relation between Phenolic Content and Bioactivity by Multivariate Analysis

María del Pilar Fernández-Poyatos, Gökhan Zengin, Carlos Salazar-Mendías, Antonio Ruiz-Medina et al. • Journal of Analytical Methods in Chemistry (2020)

In this work, we report the phenolic composition and bioactivity of the aerial parts of three species of Sarcocapnos (S. enneaphylla, S. pulcherrima, and S. saetabensis) to study their potential as sources of bioactive compounds to revalori...

DOAJ Open Access (DOAJ) DOI: 10.1155/2020/8885169

Floristic diversity and structural parameters on the forest tree population in the Luki biosphere reserve, Democratic Republic of Congo

Sylvain Ambayi Bienu, Tolerant K. Lubalega, Damase P. Khasa, David Kombi kaviriri et al. • Global Ecology and Conservation (2023)

Tropical rainforests play an important role in the global Eco-climatic balance and its sustainable management is a major concern that has attracted the attention of researchers. The Luki biosphere reserve, while under a status of protected ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.gecco.2023.e02489

Effects of Interval Training Under Hypoxia on Hematological Parameters, Hemodynamic Function, and Endurance Exercise Performance in Amateur Female Runners in Korea

Hun-Young Park, Hun-Young Park, Won-Sang Jung, Won-Sang Jung et al. • Frontiers in Physiology (2022)

Interval training under hypoxia (IHT) is commonly used to enhance endurance exercise performance. However, previous studies examining hematologic changes related to the immune system that affect health and conditioning are lacking. This stu...

DOAJ Open Access (DOAJ) DOI: 10.3389/fphys.2022.919008

Prodigiosin as an Algicidal Agent: Inhibition of Pigment Accumulation and Photosynthetic Efficiency of Cyanobacteria Involved in Algal Blooms

Chaobo Zhang, Chengshuai Xu, Zhenxia Zhu, Xiu Zhang et al. • Microorganisms (2025)

Eutrophication facilitates the proliferation of cyanobacteria, ultimately leading to the formation of harmful cyanobacterial blooms. Prodigiosin, known for its algicidal properties, presents significant potential for application in water po...

DOAJ Open Access (DOAJ) DOI: 10.3390/microorganisms13112569

Molecular Dynamics and In Vitro Studies Elucidating the Tunable Features of Reconfigurable Nanodiscs for Guiding the Optimal Design of Curcumin Formulation

Yongxiao Li, Wanting Xu, Xinpei Wang, Ruizhi Lai et al. • Bioengineering (2024)

In this study, we advance our exploration of Apolipoprotein A-I (apoA-I) peptide analogs (APAs) for their application in nanodisc (ND) assembly, focusing on the dynamic conformational characteristics and the potential for drug delivery. We ...

DOAJ Open Access (DOAJ) DOI: 10.3390/bioengineering11030245

Compositional tuning of structural, photothermal and optical properties of La-based high-entropy perovskite oxides

Anurag Khandelwal, Piyush Anil Kumar Sharma, Simon Schweidler, Pirmin Tischler et al. • Materials & Design (2026)

In this study, 14 lanthanum-based high-entropy perovskite oxides (HEPOs) with equimolar mixtures of transition metals (Cr, Mn, Fe, Co, Ni, Cu, Zn) at the B-site were synthesized to investigate how multi-elemental interactions govern their s...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2026.116517