Science topics: AsteraceaeNiger
Science topic
Niger - Science topic
A republic in western Africa, north of NIGERIA and west of CHAD. Its capital is Niamey.
Publications related to Niger (10,000)
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The study investigated universities administrators and politics in an evolving world: A Case Study of Universities in Bayesla State, Nigeria. A descriptive survey design was adopted for the study. The population comprised of the vice-chancellors, Deputy vice chancellors, registrars, bursars and librarians from Niger Delta University and University...
Synthetic fungicides that combat plant pathogenic fungi can enhance crop yields, ensuring stable crop production and market quality. However, the increase in the use of fungicides may cause to development of fungicide-resistant pathogen strains and the accumulation of fungicide residues in the food chain above safe limits. This situation underscore...
This research project investigated the effect of unethical corporate governance on accounting ethics in Nigeria. The primary aim of the study was to determine the influence of unethical corporate governance activities practiced by directors, accountants, auditors and secretaries on good conducts in banks, educational institutions and the public sec...
The failure of border control between Nigeria and Niger Republic has created a lot of threats for Nigeria, especially the northern region of the country. On the other hand, many opportunities have been explored as a result of this relationship. Hence, this presentation aims to analyze the failures that the border control has created for Nigeria, as...
Seasonal variations and impacts of gas flaring on the dehydrogenase activities (µg TPFg-1 soil) on the soils of three communities where gas is flared in the Niger Delta region of Nigeria were investigated during the two prevailing seasons in the area which is the dry and wet seasons. Soil samples were collected around flow stations in three communi...
la cirrhose est le stade évolutif de la plupart des maladies chroniques du foie. Objectif : décrire les aspects épidémiologiques et pronostiques de la cirrhose décompensée dans un contexte de forte endémicité au virus de l’hépatite B. Patients et Méthodes : Il s’agissait d’une étude descriptive transversale à collecte rétrospective allant du 1er Ja...
Background and Aim
Infection caused by Aspergillus species poses a growing global concern, yet their prevalence in Southeast China lacks comprehensive documentation. This retrospective analysis aims to elucidate the epidemiological role and antifungal susceptibilities of Aspergillus species at Huashan Hospital of Fudan University, Shanghai, China....
Les coinfections aux virus de l’immunodéficience humaine (VIH) et au virus de l’hépatite B (VHB) constituent un problème de santé publique. Objectif : déterminer la prévalence et l’évolution de la coïnfection VIH-VHB. Matériel et méthodes : Il s’agit d’une étude descriptive transversale à collecte rétrospective de Janvier 2011 à Décembre 2021 chez...
This paper examined the economy of the Niger Delta, militancy, and class struggle. Taking a cue from the Marxian theory, the relationship between the avowed agitating stance of the people of the Niger Delta and the perceived economic sabotage by the ruling class that militate against regional development was examined. Sitting on the Gulf of Guinea...
Diel shift of temporal niche is known from several animals including snakes. In the Indian subcontinent, atleast four species are known to exhibit this phenomenon. Based on a single observation from Bangladesh, we herein report diurnal feeding in the Greater Black Krait (Bungarus niger). Notably, diurnal feeding has previously been reported in Bung...
The intersection of modern African poetry and folklore is a much-researched topic in African literary scholarship. However, literary scholars have not examined this relationship in the poetry of Christian Otobotekere, a king and poet whose cultural productions have been mostly studied from the perspective of ecocriticism. Therefore, in this article...
Background/Objectives: Child acute malnutrition is a global public health problem, affecting 45 million children under 5 years of age. The World Health Organization recommends monitoring weight gain weekly as an indicator of the correct treatment. However, simplified protocols that do not record the weight and base diagnosis and follow-up in arm ci...
Sustainable land management and ecosystem resilience are critical components of climate finance, particularly in regions vulnerable to environmental degradation. This study explores the application of Geographically Weighted Statistical Machine Learning (GWSML) methods to predict Net Primary Productivity (NPP) in the eastern Sahel region, a semi-ar...
Water, an essential resource for life and ecosystems, faces increasing threats due to the escalating pace of industrialization, particularly in oil-rich regions like the Niger Delta in Nigeria. This area is a hotspot for petroleum production, where extensive gas flaring and illicit artisanal activities introduce substantial pollutants into the envi...
A major uncertainty exists as regards reservoir continuity across Otam EF8 and Nuke JF7 reservoirs and whether pressure depletion in one reservoir would result in reserve loss in the other if these reservoirs were exploited independently. Reservoir characterization was used to resolve this challenge utilizing a dataset of 3D seismic data, well-log...
Fungal infections of cranial bone flaps are rare but potentially lifethreatening complications in immunocompromised patients undergoing neurosurgery. Aspergillus niger, though less common than other Aspergillus species in clinical settings, can cause severe opportunistic infections. We report a case of a 60-year-old immunocompromised female who dev...
Microplastics (MPs) are a global problem due to their pervasiveness and possible harm to humans and other living organisms. It has been reported that a wide variety of foods, including seafood, contain microplastics. Dried pink shrimp (Penaeus notialis) popularly called ‘dried crayfish’ is a common delicacy in many Nigerian and West African local r...
Light‐level geolocators were used to record the annual migration cycles of black terns Chlidonias niger (9 individuals, 11 journeys) and common terns Sterna hirundo (7 individuals, 11 journeys) breeding in southernmost Sweden. The black terns used two different non‐breeding (Oct–Mar) regions along the Atlantic coast of Africa, either north of the e...
Sprouts, microgreens, and baby leaves are plant-based functional foods that have recently gained popularity for use in human diets as novel foods due to their high nutraceutical value. Microgreens, harvested shortly after germination with one true leaf, include vitamins and minerals with potential health benefits. Achieving high yields, robust grow...
This study reconstructs the paleoenvironmental and paleoclimate variabilities of the Paleogene-Quaternary River Niger Basin in Nigeria, West Africa, using integrated geochemical (XRF) and palynological proxies, with samples collected from three locations along a downstream gradient: JB (proximal to the Agbaja ironstone formation), AL (midstream), a...
Issues about people’s natural environment have undeniably become an integral part of human existence. In this regard, a lot of literary scholars and social critics have unrelentingly written on how to curtail or end the numerous environmental degradations. Despite many studies conducted on environmental concerns in Nigerian literature, only little...
Our environment constitutes an extension of human life as the survival of man is inextricably linked to the state of his immediate environment. Nature has indeed blessed man with enormous resources, a convenient and conducive environment for his benefits and enjoyment. Man by nature is a rational and adventurous being, constantly seeking to explore...
The Missão de Biologia Marítima (Lisboa, Portugal) and its successor institutions, were responsible for conducting oceanographic campaigns in former Portuguese colonies during the decades of 1950–1960. The primary objective was to advance the systematic study of marine resources in these territories, leading to the collection of thousands of specim...
A Száhel öt frankofón országa (Burkina Faso, Csád, Mali, Mauritánia Niger = G5) a világ legelmaradottabb, legszegényebb és leginstabilabb régióját alkotja. Az ötből négy szárazföldi (landlocked) ország, ahol a fejletlen infrastruktúra nem képes a földrajzi adottságot ellensúlyozni és a konnektivitást megteremteni. A gazdaságot és az exportot a prim...
Nitrogen is the most limiting plant nutrient element of soils in Niger. Farmers apply nitrogen to increase yield of cereal crops. A survey conducted at Djirataoua in southern Niger, revealed that wheat growers applied nitrogen fertilizer with less technical knowledge resulting in low response on growth and yield. To produce suitable recommendations...
The influence of cropping systems on the occurrence of stem borers and their natural enemies, and crop damage levels in sorghum due to stem borers was investigated at Abergele, northern Ethiopia. Four sorghum-cowpea intercropping and two sorghum monocropping systems arranged in randomized complete block design in four replications were used. Abunda...
Niger, a country located in the Sahel region of West Africa, is primarily dependent on agriculture for food security and economic stability. However, agricultural productivity in Niger is severely threatened by various insect pests, which cause significant losses in crop yield and quality. This review explores the major insect pests affecting in Ni...
Based on the Global Terrorism Index (GTI) 2024, this edition unveils the countries most impacted by terrorism, violence, and instability. From Burkina Faso at the top of the list to Niger, explore how these nations cope with the devastating effects of conflict and extremism.
The 10 Most Unsafe Countries in the World in 2024 📜
🌍 Where insecurity is highest and challenges run deepest 🌍
Based on the Global Terrorism Index (GTI) 2024, this edition unveils the countries most impacted by terrorism, violence, and instability. From Burkina Faso at the top of the list to Niger, explore how these nations cope with the devastatin...
Aims: The aim of this study is to utilize biomarkers to detect drought induced changes in soil microbial communities within presumed drought impacted soils in selected regions of the Sahel. Study Design: A correlational study design was used to examine the influence of soil pH in relation to other soil properties (e.g., organic carbon, nitrogen and...
Au Niger, l'agriculture, source principale de revenu et de l'alimentation pour la plupart de la population, fait face à de nombreux défis dont la forte variabilité pluviométrique. Ceci se traduit par un faible rendement agricole ayant pour corollaire la pauvreté et la vulnérabilité à l'insécurité alimentaire et nutritionnelle. Cette insécurité alim...
d-Xylitol is a low-calorie and anti-cariogenic sweetener suitable for diabetic patients, making it a valuable ingredient in various health-related applications. In this study, we investigated the production of d-xylitol from l-arabinose derived from sugar beet press pulp (SBPP) hydrolysate using an engineered Aspergillus niger strain. Initial batch...
Considering the urgent need to tackle mental health challenges related to forced migration, our exploratory quantitative study aimed to investigate the relationship between subjective well-being (SWB), sense of coherence (SOC), trauma and psychopathological symptoms on the mental health of African forced migrants in Niger. We also explored the asso...
Nigeria has recently witnessed the discovery of several high grade lithium deposits in pegmatites of Late Proterozoic (Pan-African} age. The lithium-bearing rare-metal pegmatites occur mainly as dykes and sill-like bodies of relatively small dimensions (averaging about 500m L x 20m W x 100m D) intersecting mostly low to medium-grade mica schists an...
The study investigated universities administrators and politics in an evolving world: A Case Study of Universities in Bayesla State, Nigeria. A descriptive survey design was adopted for the study. The population comprised of the vice-chancellors, Deputy vice chancellors, registrars, bursars and librarians from Niger Delta University and University...
Au Niger, le contexte de la pandémie du COVID-19 (fermeture de frontière, confinement, mesures barrières, isolement sanitaire, couvre-feu, infodémie, vaccination) a marqué les années 2020 à 2022. Durant cette période, les populations, les autorités politiques et les professionnels de santé ont fait l’expérience collective et individuelle de la pand...
In recent years, the Sahel region of West Africa has become a focal point for security concerns, particularly due to the rise of insurgent violence, political instability, and the failure of state institutions to address the growing threats. In response to these challenges, Burkina Faso, Niger, and Mali – three countries facing similar security and...
Due to the high morbidity and mortality rates of invasive aspergillosis (IA) and the importance of early IA detection for successful treatment and subsequent outcome, this study aimed to determine a time course of detectable antigen in a mouse model of IA and correlate it with tissue invasion by using two novel monoclonal antibodies, 1D2 and 4E4, t...
Tuberculosis, a major health concern and leading infectious disease in man, is caused by Mycobacterium tuberculosis. Research shows that Tuberculosis affects the coagulation factors and causes elongated Prothrombin Time (PT) and Activated Partial Thromboplastin Time (APTT) in infected subjects. This research was conducted to evaluate coagulation fa...
Umar SA, Dhakar R, Usman HS, Sulaiman M, Sa'idu M, Yahaya MS, Shitu AS, Usman HM. 2024. Morphological identification of mosquito species in Takur Adu'a and Yakasai, Dutse Local Government Area, Jigawa State, Nigeria. Intl J Bonorowo Wetlands 14: 57-65. Mosquitoes, major vectors for various diseases, pose significant public health challenges worldwi...
Supergenes are non-recombining chromosomal regions that code for complex polymorphic traits. With the advance of population genomics, studies in diverse organisms revealed supergenes associated with a myriad of complex traits, ranging from morphology to sexual behavior, from butterfly wing patterns to floral morphs. Two supergenes have been describ...
This study integrates seismic inversion and rock physics techniques to evaluate the hydrocarbon potential of an offshore field in the Niger Delta. Five wells revealed three reservoir sands with favourable reservoir properties, including gross thickness (49.2–81.4 m), porosity (0.18–0.2), permeability (565–1481 mD), and water saturation (0.16–0.54)....
Because of its low-lying terrain, enormous river network, fast urbanization, and the consequences of climate change, flooding is a frequent and destructive issue in the Greater Port Harcourt Area (GPHA), Rivers State, Nigeria. Because GPHA is located in the Niger Delta, an area with a complicated hydrological system of rivers, streams, and wetlands...
The Pan-African province of Damagaram, object of this study, corresponds to the north-eastern extension of the Benin-Nigerian Shield. The main geological formations that outcrop in this region consist of migmatitic gneiss, banded gneiss, mylonitic gneiss, porphyritic granites, two-mica granites, biotite granites and alkaline granites. The petrogene...
The Bonny Island axis in Nigeria's Niger Delta is one of the country's most industrialized regions. A study was conducted to assess suspended particulate matter and wind direction around the Bonny Industrial Area in Rivers State. Using advanced tools like the Davis Wireless Weather Station, Gray Wolf probes, and Aeroqual meters, data on meteorologi...
The present study focuses on the anorogenic granites of Tirmini. The latter are part of the younger granites of the pan-African province of Damagaram-Mounio, which constitutes a connection between the younger granites of the Aïr in the north and those of the Jos Plateau in the south. The objective of this study is to determine the mineralogical cha...
Gamma irradiation mutagenesis is an approach that offers a wide range of possibilities for varietal selection. In the simultaneous induction of multiple mutations to modify several plant traits. The aim of the present study was to select seed lots for four mutants of the M4 generation. An experiment was carried out in an experimental plot to purify...
Background
Fermentation of sugars derived from plant biomass feedstock is crucial for sustainability. Hence, utilizing customized enzymatic cocktails to obtain oligosaccharides instead of monomers is an alternative fermentation strategy to produce prebiotics, cosmetics, and biofuels. This study developed an engineered strain of Aspergillus niger pr...
Invasive fungal infections (IFI) arecaused by non-pathogenic fungi in the immunocompromised host. However, ethnobotanical information suggests that Harugana madagascariensis(HM-E) is one of the medicinal plants used to treat IFI in Southern Nigeria. This study aimed at evaluating the effect of HM-E and microencapsulated extract of H. madagascariens...
This study introduces a novel paper coating approach using modified zinc oxide (ZnO), providing a comparison with conventional materials used in the paper industry. The research focused on determining the concentration for effective microbial growth inhibition and evaluates the impact of different ZnO types on coated-paper properties, including ant...
Maize constitutes one of the most important crops in Niger's fight for food security, and it is cultivated in all regions of the country. However, maize cultivation is declining due to low soil fertility. This study focused on evaluating the impact of fertilizers on maize plant production in Zinder. The fertilizer effect was evaluated based on 21 q...
Background
Cardiovascular disease risk factors play a crucial role in determining individuals’ future health status and significantly affect health. This paper aimed to address cardiovascular disease risk factors in low- and middle-income countries using multi-criteria decision-making methods.
Methods
In line with this objective, 22 evaluation cri...
Given the importance of carbohydrate-based drugs, this study focused on the synthesis of five novel analogs (3-7) of methyl 4,6-O-benzylidene-α-D-glucopyranoside (2, MBDG). In vitro antimicrobial screening revealed that these MBDG derivatives possess promising antifungal activity against Aspergillus niger and moderate antibacterial activity. Compou...
The type specimens for names of bee taxa in the subfamily Panurginae of family Andrenidae deposited in the Zoological Institute, Russian Academy of Sciences (St. Petersburg) are reviewed. Primary types of 39 taxa are illustrated and detailed information is provided (taxa include 19 described by F. Morawitz; nine by V. Popov; seven by T. Romankova a...
Knowledge of the physicochemical properties of Palm Oil Mill Effluent (POME) is essential to support environmental impact assessment of POME on the immediate environment where it is discharged. In this study, characterization of POME and fresh water was carried out and the results compared to ascertain the extent POME could affect the environment a...
Containment, as a way of restricting mobilities, ranges from physical infrastructures to diffused control practices in everyday life. Alongside their physical, social, and political dimensions, such restrictions also engender various temporal borders and experiences of time particular to situations of containment. A prolific field of research has i...
The article describes changes in the populations of breeding, migrating and wintering birds, which were noted between 1992–2000 and 2011–2020 on the complex of fish ponds in Górki (Ponidzie, SE Poland). The complex maintained its high ornithological value, hosting significant breeding populations of the following species: the Common Pochard Aythya...
Introduction : La pathologie mammaire reste la plus fréquente chez les femmes et constitue un véritable problème de santé publique de par sa fréquence et de sa prise en charge. La clinique, l’imagerie médicale et l’étude cytologique sont les principales méthodes du diagnostic sénologique. L’histologie détermine le plus souvent la nature de la lésio...
This study investigates the theoretical connections between radio broadcasting and the adoption of agricultural innovations by farmers in Niger State, Nigeria. It proposes a framework illustrating how radio broadcasting can impact farmers' adoption of the innovations through pathways such as awareness, knowledge, attitude, and behavior change. The...
Background: Dietary behaviors of female adolescents are of increasing concern due to their critical role in determining long-term health outcomes. Aims: This study aimed at investigating dietary proficiency of adolescent girls aged 10 – 19. Methods: A descriptive cross-sectional study was conducted with 2261 in-school female adolescents aged 10 – 1...
The Multichannel Analysis of Surface Waves (MASW) method is pivotal for non-invasive subsurface shear-wave velocity profiling, essential in geotechnical and seismic investigations. This study aims to model 3D geological and geotechnical soil properties in Southern Ijaw LGA, Bayelsa State, Nigeria, using MASW. Data collection involved a 12-channel A...
This study investigates air pollution in the Bonny Industrial Area of the Niger Delta, Nigeria, a region heavily impacted by oil and gas industries. It aimed to evaluate wind speed and the concentration of inorganic compounds in the area. Using advanced tools like the Davis Wireless Weather Station and GrayWolf gas sensors, the research employed st...
Crude oil pollution has caused severe environmental issues and health risks in the Niger Delta, particularly affecting indigenous communities. This study aims to characterize and quantify heavy metal contamination in the soils of the Ihwrekreka community, a region significantly impacted by crude oil pollution due to illegal refining and bunkering a...
Introduction: In a context of limited resources, the surgical treatment of traumatic cervical injuries is demanding. Objective: To describe the initial experience of decompression and stabilization surgery in traumatic cervical injuries, in a single Nigerien hospital. Methods: A retrospective observational study was conducted. All patients admitted...
Citation: Do, K.L.; Ahsan, T.; Wahab, A.; Tayyab, M.; Yin, X.; Pan, N.; Huang, T.; Mushtaq, A.; Su, M. Abstract: Background/Objectives: The use of natural colourants is gaining attention due to their biocompatibility and functional benefits. This study introduces a different approach using turmeric (Curcuma longa L.) dye extract combined with chito...
Purpose
This research deals with the optimization of extracellular laccase production from Aspergillus niger ISL-09 using orange peel as a substrate. The high potential of laccase to oxidize phenolic compounds makes it attractive for various industrial sectors such as paper and pulp industry, textile applications, bioremediation, food processing, p...
Niger's uranium deposits are located in the north, bordering the southern Sahara. Mining activities led to the creation of the town of Arlit in 1969. Uranium mining and uranate production generate large volumes of radioactive solid and liquid tailings, as well as radioactive gases. Through dispersion and transport, these radioactive discharges beco...
Background: The prevalence of prostate cancer is increasing at a high rate in the Niger Delta region of Nigeria. The role of androgens, age and genetics are established worldwide. Among others, obesity, a consequence of Improvement in quality of life in the oil rich region, which has also been implicated in several conditions like diabetes, hyperte...
The degradation of headwaters in the Republic of Guinea is becoming increasingly complex and poses a major challenge for the conservation of natural resources. To contribute to the protection of the headwater of the Niger River, a study was conducted in the Forokonia District/Bakando sector, under the Kobikoro sub-prefecture, Faranah prefecture, du...
The ecological and human health risk assessment of sediment, periwinkle and water in Bodo Creek, Nigeria was carried out between June, 2023-March, 2024. Three sampling sites were chosen in remediated area. Physico-chemical parameters (total dissolved solid (TDS), dissolved oxygen (DO), electrical conductivity (EC), etc) were analyzed in-situ while...
Background
The laccase Lcc9 from Coprinopsis cinerea has optimal catalytic activity at moderate to alkaline pH conditions, making it invaluable for industrial applications. However, C. cinerea naturally secretes Lcc9 at low expression levels, which limits the industrial application of Lcc9 on a large scale. Recombinant production of Lcc9 using Aspe...
The fundamental step needed for planning and optimizing any wireless network during its early phase of deployment involves the estimation of radio coverage. Fifth generation (5G) telecommunication systems in Nigeria are in their early stages; hence, there is a need to develop effective mobile coverage prediction models with high accuracy and minima...