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Modeling And Forecasting Wholesale Gasoline Prices In Tanzania Using Arima And Neural Network Autoregressive Models, Thadei D. Sagamiko, Edward K. Ngailo
Modeling And Forecasting Wholesale Gasoline Prices In Tanzania Using Arima And Neural Network Autoregressive Models, Thadei D. Sagamiko, Edward K. Ngailo
Tanzania Journal of Science
Fluctuations in wholesale gasoline prices significantly impact the economy of import-dependent countries like Tanzania, making accurate forecasting essential for policymakers and market participants. This study forecasts monthly wholesale gasoline prices in Dar es Salaam by comparing the Autoregressive Integrated Moving Average (ARIMA) model with a Neural Network Autoregressive (NNAR) model. Using data from January 2015 to December 2024 from the Energy and Water Utilities Regulatory Authority (EWURA), the models were evaluated. The ARIMA(1,1,1) model was identified as the best-fitting linear model, but the NNAR(11,7) model demonstrated superior accuracy. On the holdout test set, the NNAR model achieved a lower Mean …
Aquifer Distribution In Lukobe Ward, Morogoro Municipality, Tanzania: Mapped Resources For Sustainable Water Access, Kelvin K. Kayuni
Aquifer Distribution In Lukobe Ward, Morogoro Municipality, Tanzania: Mapped Resources For Sustainable Water Access, Kelvin K. Kayuni
Tanzania Journal of Science
In response to the ongoing challenges posed by the scarcity of reliable fresh-water sources in Lukobe Ward, Morogoro Municipality, Tanzania, this study applied an integrated approach that combines geospatial and geophysical datasets to identify previously undocumented aquifers. The datasets utilized include an apparent density map generated from high-resolution GGMPlus satellite gravity data, a geological map (Quarter Degree Sheet 183), a water drainage map, and a slope map created from a digital elevation model (DEM). The analysis successfully identified four unconfined, saprolitic aquifers in the study area, designated as aquifers A, B, C, and D. These aquifers span areas of 12.2 …
Synergistic Use Of Sentinel-1 And Sentinel-2 Data For Mapping Of Degradation In Coastal Forests And Miombo Woodlands Of Tanzania, Daria C. Kimaro
Synergistic Use Of Sentinel-1 And Sentinel-2 Data For Mapping Of Degradation In Coastal Forests And Miombo Woodlands Of Tanzania, Daria C. Kimaro
Tanzania Journal of Science
Forest degradation is one of the leading sources of carbon emission globally. In Africa, particularly in Tanzania, forest degradation is driven by selective logging and forest fires. Monitoring degradation over large areas is very challenging due to the lack of accurate and reliable methods. This study assessed degradation in miombo woodlands and coastal forests using a synergy of remotely sensed data acquired from sentinel-1 and sentinel-2 achieved by integrating their complementary strength where sentinel-1 enhanced detection of structural changes and sentinel-2 provided spectral insight into vegetation. The 3I3D, unsupervised algorithm analysing trends for three vegetation indices (3I) in a three-dimensional …
Performance Comparison Of Kriging Models Used For Estimation Of Rainfall Variability In The Northern Coast Of Tanzania, Salma Suleiman, Clement Mromba
Performance Comparison Of Kriging Models Used For Estimation Of Rainfall Variability In The Northern Coast Of Tanzania, Salma Suleiman, Clement Mromba
Tanzania Journal of Science
Accurate rainfall estimation underpins effective disaster preparedness and sustainable socioeconomic planning. The performance of Ordinary Kriging (OK), Universal Kriging (UK), and Simple Kriging (SK) in estimation of rainfall variability were assessed across eight stations in the northern coast of Tanzania for the period from 1960 to 2020. Using ArcGIS 10.3, each method was evaluated and cross-validated using six performance metrics, namely; Mean Error (ME), Mean Square Error (MSE), Root Mean Square Error (RMSE), Root Mean Standardized Square Error (RMSSE), Average Standardized Error (ASE), and the Coefficient of Determination (R²). Performance comparison results indicate OK to have achieved the lowest bias, …
Exploring Bacterial Diversity In Seagrass Meadow Of Thalassia Hemprichii And Syringodium Isoetifolium From Tanzania’S Coast, Lucy D. Mbusi, Thomas J. Lyimo, Sylvester L. Lyantagaye
Exploring Bacterial Diversity In Seagrass Meadow Of Thalassia Hemprichii And Syringodium Isoetifolium From Tanzania’S Coast, Lucy D. Mbusi, Thomas J. Lyimo, Sylvester L. Lyantagaye
Tanzania Journal of Science
Seagrasses are highly productive coastal ecosystems that harbor diverse bacterial communities, including both culturable and unculturable taxa. These bacteria play vital roles in ecological, biogeochemical, and biotechnological processes. In this study, a metagenomic approach using Pacific Biosciences next-generation sequencing was employed to investigate bacterial diversity associated with Thalassia hemprichii and Syringodium isoetifolium collected from the Mjimwema coast, Dar es Salaam, Tanzania. Results revealed that T. hemprichii supported greater bacterial species diversity (117 OTUs) compared to S. isoetifolium (109 OTUs). Among plant compartments, roots harbored the highest diversity, followed by rhizosphere sediment and leaves. The phylum Proteobacteria dominated across all samples …
Simulation Based Model For Canine Distemper Virus In Prey-Predator Dynamics, Mussa A. Stephano
Simulation Based Model For Canine Distemper Virus In Prey-Predator Dynamics, Mussa A. Stephano
Tanzania Journal of Science
This study investigates the dynamic interactions of a prey-predator ecosystem infected with Canine Distemper Virus (CDV), focusing on predation and disease transmission. A deterministic model, coupled with Monte Carlo simulations (MCS), employed to capture both stochastic variability and environmental fluctuations. The findings indicate that classical prey-predator cycles provide the baseline for population dynamics, but the introduction of CDV and environmental noise fundamentally alters system behavior. Initially, populations exhibit oscillations that gradually stabilize into dynamic equilibria. However, the disease persists within both prey and predator populations, suggesting endemicity rather than extinction. Predation plays a dual role in disease dynamics, while it …
Variations In Physicochemical Properties, Microbiological Profiles, And Nutrient Dynamics In The Temi River, Arusha, Tanzania: Sources And Implications, Aldo J. Kitalika
Variations In Physicochemical Properties, Microbiological Profiles, And Nutrient Dynamics In The Temi River, Arusha, Tanzania: Sources And Implications, Aldo J. Kitalika
Tanzania Journal of Science
This study thoroughly investigates the physicochemical properties, microbiological profiles, and nutrient dynamics of the Temi River in Tanzania. The sources and implications of fluctuations in dissolved organic carbon (DOC) and nutrients during the wet and dry seasons are carefully analysed. Water samples were collected from various geographically referenced points along the river, and analyses were performed using the APHA Standard Methods for Water and Wastewater Testing. The results show that most parameters increased downstream in both seasons, with the highest DOC levels reaching 352.11 mg/L in the wet season, followed by a significant decrease to 126.00 mg/L during the dry …
Parliamentary Gridlock In Tanzania: An Examination Of The Politics Of Changing The Cashew Nut Industry Act (Cap 203), Palme Kawishe
Parliamentary Gridlock In Tanzania: An Examination Of The Politics Of Changing The Cashew Nut Industry Act (Cap 203), Palme Kawishe
Tanzania Journal of Sociology
The legislature plays a pivotal role in overseeing the management of public resources through the budget process, which provides a formal forum for debating how funds are mobilised, allocated, and spent. Through this process, the legislature reviews and amends the laws governing a government’s annual revenues and expenditures. However, legislative review is often shaped by underlying political dynamics. Focusing on legislative-executive relations, this article examines the political dynamics that unfolded in Tanzania’s parliament during the amendment of the Cashew Nut Industry Act (Cap. 203) and how these dynamics produced parliamentary gridlock. It further explores how the fusion of party and …
In-Situ Determination Of Tension Zone Of Sediments By Using Dynamic Light Cone Penetration Test: Tropical Sediments In Tanzania, Francis K. Mutabazi, Gabriel D. Mulibo, Dalmas L. Nyaoro, Keneth Lupogo
In-Situ Determination Of Tension Zone Of Sediments By Using Dynamic Light Cone Penetration Test: Tropical Sediments In Tanzania, Francis K. Mutabazi, Gabriel D. Mulibo, Dalmas L. Nyaoro, Keneth Lupogo
Tanzania Journal of Engineering and Technology (TJET)
Dynamic probing of the light hammer (DPL) has been analysed by plotting the penetration index (blows per 10 cm penetration depth). The information obtained provides vital insight into ground profile variation. However, the results presentation and analysis have not been sufficiently investigated in ascertaining more information on the ground properties; therefore, focus on additional analysis techniques are needed to reveal further ground information. This paper aims at exposing the potential of using total penetration blows plots for examining the ground characteristics, narrating procedure for such graphical analysis. The analysis of the results, using total blows on linear and log scales, …
Design And Testing Of Adaptable Piston Damping Mechanism For Rapid Compression Machine, Myeji C. Materego
Design And Testing Of Adaptable Piston Damping Mechanism For Rapid Compression Machine, Myeji C. Materego
Tanzania Journal of Engineering and Technology (TJET)
A Rapid Compression Machine (RCM) is, essentially, a piston housed inside a cylinder. Its main objective is to compress a combustible mixture as rapid as possible to a higher temperature and pressure at which its auto ignition characteristics can be studied. Such machines are useful in the study of engine fuels autoignition behaviour because they provide a good representation of a single stroke compression ignited engine. There are various designs and operation techniques of RCM, but they all have to possess a key characteristic of compressing the fuel mixture rapidly while producing minimum heat and mass loss, turbulence and pressure …
Steady Flow Over A Plate With Variable Fluid Properties In The Presence Of Magnetic Fields And Thermal Radiation, Jonas A. James, Makungu J. Ng'oga, Augustino I. Msigwa, Ahmada O. Ali
Steady Flow Over A Plate With Variable Fluid Properties In The Presence Of Magnetic Fields And Thermal Radiation, Jonas A. James, Makungu J. Ng'oga, Augustino I. Msigwa, Ahmada O. Ali
Tanzania Journal of Engineering and Technology (TJET)
The study examines a steady convective boundary layer flow model influenced by magnetic fields and variable fluid properties over the inclined plate. The governing model system of non-linear partial differential equations is transformed into a system of coupled non-linear ordinary differential equations through similarity transformations. These transformed equations are then solved numerically using the fourth-order Runge-Kutta method combined with the shooting techniques using MATLAB package because it is efficiency, stable and converge to the expected solutions compared with other methods. The numerical results detail the fluid velocity, temperature, concentration, and the local Sherwood number, Nusselt number, and skin friction coefficient …
Affordability And Usability Of Digital Learning Resources In Higher Education: A Case Of Online Mathematics Tutorials For Engineering Students At The University Of Dar Es Salaam, Fatuma S. Ikuja, Idrissa S. Amour, Abdi T. Abdalla
Affordability And Usability Of Digital Learning Resources In Higher Education: A Case Of Online Mathematics Tutorials For Engineering Students At The University Of Dar Es Salaam, Fatuma S. Ikuja, Idrissa S. Amour, Abdi T. Abdalla
Tanzania Journal of Engineering and Technology (TJET)
Effective learning requires engagements with both learning contents and instructor’s personalized support. Large class sizes often limit opportunities for personalized instruction and timely feedback. Digital resources offer a viable solution to enhanced engagement and independent learning. This study investigated the affordability and usability of online digital learning resources for mathematics tutorials, specifically targeting engineering students at the University of Dar es Salaam. A quasi-experimental research design was adopted, focusing on digitization of undergraduate course: Matrices and Basic Calculus for Non-Majors (MT161). The course was delivered through the Moodle Learning Management System integrating STACK to support Mathematics questions. Data was collected …
Denoising Low Dose Ct Images Using Enhanced Autoencoder Deep Learning Model: A Phantom Study, Ali O. Masoud, Khamis O. Amour, Ahmed M. Jusabani, Adithya Rajnaryanan, Manoj Kumar, Yasir M. Haji, Mwingereza J. Kumwenda
Denoising Low Dose Ct Images Using Enhanced Autoencoder Deep Learning Model: A Phantom Study, Ali O. Masoud, Khamis O. Amour, Ahmed M. Jusabani, Adithya Rajnaryanan, Manoj Kumar, Yasir M. Haji, Mwingereza J. Kumwenda
Tanzania Journal of Engineering and Technology (TJET)
Reducing radiation dose in Computed Tomography (CT) inherently leads to increased image noise, which can compromise clinical interpretation. To address this limitation in Low Dose CT images (LDCT), numerous computational techniques particularly convolutional neural networks (CNN) have been explored for CT image enhancement. Various CNN architectures with different convolutional layer designs have been developed to improve image quality. This study evaluates the effectiveness of a developed CNN-based autoencoder for denoising LDCT images while preserving diagnostic integrity. An end-to-end CNN autoencoder with information bottleneck (IB) pipeline was designed and trained using CT phantom images with varying noise levels, aiming to suppress …
Space Vectors Discretization-Based Direct Torque Control Scheme For High Performance Induction Motor Drives, Francisco Balenga, Francis Mwasilu
Space Vectors Discretization-Based Direct Torque Control Scheme For High Performance Induction Motor Drives, Francisco Balenga, Francis Mwasilu
Tanzania Journal of Engineering and Technology (TJET)
In this paper, a direct torque controller (DTC) based on discretization of space vectors (DSV-DTC) for induction motor drives is proposed. By using this technique, the number of voltage vectors is increased, consequently it reduces the torque ripple compared to the conventional DTC control scheme. Specifically, the switching table of the proposed DSV-DTC scheme is comprised of thirty-six nonzero voltage vectors compared to the six voltage vectors in the conventional DTC scheme. Furthermore, it makes use of a five – level torque hysteresis comparator instead of three-level of the conventional DTC. The performance of the proposed control scheme is validated …
Dynamic-Based Assessment Of Shear Connectors In Composite Bridges With Data Taken From The Surface Of The Deck Slab, Emmanuel S. Leo
Dynamic-Based Assessment Of Shear Connectors In Composite Bridges With Data Taken From The Surface Of The Deck Slab, Emmanuel S. Leo
Tanzania Journal of Engineering and Technology (TJET)
Most bridge management systems generally rely on visual inspections for condition assessment; this means that damage in inaccessible parts of the structure, such as shear connectors in concrete composite bridges, can remain undetected until failure occurs. Localised non-destructive techniques are limited to small areas, time-consuming, and require prior knowledge of the damaged zone. These limitations can be overcome by using dynamic-based techniques. This study aims to investigate experimentally the efficiency of dynamic-based techniques in assessing the condition of shear connectors based on measurements taken from the surface of the deck slab. The study involved the construction of five composite beam …
Lean Manufacturing Implementation Barriers For Micro, Small And Medium Industries In Tanzania: Fuzzy Analytical Hierarchy Process, Juma M. Matindana, Francis D. Sinkamba, Mussa I. Mgwatu
Lean Manufacturing Implementation Barriers For Micro, Small And Medium Industries In Tanzania: Fuzzy Analytical Hierarchy Process, Juma M. Matindana, Francis D. Sinkamba, Mussa I. Mgwatu
Tanzania Journal of Engineering and Technology (TJET)
With rising global competition, manufacturing industries are adopting Lean Manufacturing (LM) to stay competitive. However, LM implementation in Africa, especially among micro, small, and medium industries (MSMIs), remains low, with research estimates at just 1%. This study examines the barriers to LM implementation in Tanzanian MSMIs. Data were collected from 243 respondents using survey research and purposive sampling. Descriptive and inferential statistics using SPSS version 27.0.1, along with the Fuzzy Analytical Hierarchy Process (FAHP), were used for analysis. The top five LM barriers for micro industries are lack of training on LM tools, poor understanding of lean philosophy, high investment …
Estimation Of Crop Water Requirements And Irrigation Demand For Maize And Rice In Morogoro, Tanzania Using The Cropwat 8.0 Model, Regina Pasiani, Johnson Mangesho, Paul Ts Limbu
Estimation Of Crop Water Requirements And Irrigation Demand For Maize And Rice In Morogoro, Tanzania Using The Cropwat 8.0 Model, Regina Pasiani, Johnson Mangesho, Paul Ts Limbu
Tanzania Journal of Engineering and Technology (TJET)
This study assessed the crop water requirements (CWR) and irrigation demands of maize and rice in Mvomero District, Morogoro Region in Tanzania, under varying seasonal rainfall and soil conditions. Using the CROPWAT 8.0 model, agrometeorological parameters such as temperature, rainfall, evapotranspiration, and effective rainfall were integrated with crop-specific characteristics and soil properties to simulate irrigation demands and quantify water needs across different crop phenological stages. The analysis employed decadal climatic data and crop coefficients (Kc) to simulate both the net and gross irrigation requirements. The findings revealed that maize, cultivated predominantly on red loamy soils, had a seasonal …
Impacts Of Climate Variability On Hydrological Response And Water Resources: Case Of Little Ruaha Catchment -Tanzania Using Ground And Chirps Data, Florence H. Mahay, Patrick C. Valimba, Madaka H. Tumbo, Fides J. Izdori, Leonard Maketa
Impacts Of Climate Variability On Hydrological Response And Water Resources: Case Of Little Ruaha Catchment -Tanzania Using Ground And Chirps Data, Florence H. Mahay, Patrick C. Valimba, Madaka H. Tumbo, Fides J. Izdori, Leonard Maketa
Tanzania Journal of Engineering and Technology (TJET)
The Little Ruaha River catchment in Tanzania is increasingly affected by climate variability, with implications for agriculture, hydropower, and water supply. This study evaluates the effects of climate variability on rainfall and streamflow and assesses the usefulness of satellite-based rainfall data for hydrological modeling. Thirty-year records (1991–2020) of rain gauge and river flow data were analyzed using the Mann–Kendall test, and the HBV rainfall–runoff model was run with both gauge and CHIRPS satellite rainfall inputs. Annual rainfall exhibited no significant trends at most stations (p > 0.05), except for a notable decline at one eastern site. Seasonal rainfall and streamflow showed …
Numerical Simulation Of Corner Reinforced Concrete Column-Beam Joint With Differential Concrete Grades And Steel Fibres Under Monotonic Loading, Daudi S. Augustino, Emmanuel Safari Leo
Numerical Simulation Of Corner Reinforced Concrete Column-Beam Joint With Differential Concrete Grades And Steel Fibres Under Monotonic Loading, Daudi S. Augustino, Emmanuel Safari Leo
Tanzania Journal of Engineering and Technology (TJET)
Structural elements are composed of joints that are essential for force transfer. In particular, for concrete structures, the column-beam joint is an integral section that requires insight due to the traditional use of different concrete grades, forming a strong-column-weak-beam (SCWB) system. A numerical model of the joint was developed in Abaqus to explore the axial load performance and damage tolerance of corner column-beam joints with different concrete grades under monotonic static loading. A concrete-damaged plasticity model (CDPM) was used to model the damage behaviour of concrete, utilising the available strain-stress models in literature and EuroCode 2. Results show that concrete …
Cost Of Safety: Evidence From Building Construction Projects In Tanzania, Juma M. Matindana, Kamugisha J. Kajumulo, Fatma K. Mohamed
Cost Of Safety: Evidence From Building Construction Projects In Tanzania, Juma M. Matindana, Kamugisha J. Kajumulo, Fatma K. Mohamed
Tanzania Journal of Engineering and Technology (TJET)
Cost of safety is a condition where a project determines the magnitude to which its resources are used for activities that prevent poor safety outcomes, that appraise the safety quality of the project services, and that result from safety failures. Reducing the cost of safety remains a major challenge in Tanzania's construction industry and reflects trends in many developing countries. A positive safety environment in which projects reduce costs associated with safety performance is critical to project success. This study investigates the cost of safety of building construction projects in Tanzania. The questionnaire was distributed to 255 contractor companies managing …
Enhancing Academic Efficiency Through Ability Grouping And Remedial Classes: The Cases Of India And Vietnam, Samwel Lwiza
Enhancing Academic Efficiency Through Ability Grouping And Remedial Classes: The Cases Of India And Vietnam, Samwel Lwiza
Journal of Humanities and Social Sciences
Improving the performance of academically weak students remains a major challenge in developing countries, particularly in the context of the ‘leave no one behind’ agenda. This study examines the roles of ability grouping and remedial classes in enhancing academic efficiency among students in India and Vietnam. Drawing data from 17,866 students in the 2016/17 Young Lives School Survey, this study estimated efficiency scores by using the order-alpha partial frontier approach, and their determinants were assessed through a bootstrap truncated regression model. The findings indicate that ability grouping increases students’ efficiency by 3%, whereas remedial classes decrease it by the same …
Determinants Of Farmers’ Choices Of Adaptation Strategies In Rural Semi-Arid Agricultural Communities Of Tanzania: A Case Study Of Mwanga And Same Districts In Kilimanjaro Region, Bahati Ally Magesa
Determinants Of Farmers’ Choices Of Adaptation Strategies In Rural Semi-Arid Agricultural Communities Of Tanzania: A Case Study Of Mwanga And Same Districts In Kilimanjaro Region, Bahati Ally Magesa
Journal of Humanities and Social Sciences
Climate change is a global phenomenon that poses a significant threat to agricultural farming and the livelihoods of farmers, particularly in semi-arid regions of Sub-Saharan Africa. Since agriculture is the primary source of employment in the region, enhancing the sector’s adaptive capacity has become increasingly important. This paper examines the key determinants influencing farmers’ choices of adaptation strategies to climate change impacts in the Mwanga and Same Districts of Tanzania. A total of 200 farmers participated in a household survey conducted using a simple random sampling technique. A binary logistic regression model was employed to analyse the association between selected …
The Interplay Of Morphology, Syntax, And Semantics In Kuria Verb Extensions Within The Mara Region, Mary Charwi
The Interplay Of Morphology, Syntax, And Semantics In Kuria Verb Extensions Within The Mara Region, Mary Charwi
Journal of Humanities and Social Sciences
Verb extension morphological affixes that significantly alter verb meaning are a defining characteristic of Bantu languages. This paper investigates the morphosyntactic behaviour, semantic implications, and functional roles of extensions within Kuria, a Bantu language of Tanzania. The study adopts Hyman’s morphocentric approach, specifically the CARP template (Causative-Applicative-Reciprocal-Passive), as its foundational framework to test whether Kuria adheres to this pan-Bantu default ordering. The data were collected in Tarime District (2014-2015) using a mixed methods approach, comprising questionnaires, semi-structured interviews, and video stimuli with 13 rural and urban speakers, and text analysis (the Kuria Bible). Through rigorous morphosyntactic parsing, the analysis reveals …
The Syntax And Semantics Of Reciprocal Constructions In Chibarwe: A Lexical Mapping Account, Tendai Chirimaunga
The Syntax And Semantics Of Reciprocal Constructions In Chibarwe: A Lexical Mapping Account, Tendai Chirimaunga
Journal of Humanities and Social Sciences
Bantu languages have a robust structure, which is usually stated to be agglutinative, accommodates affixations of a wide range of morphemes both as prefixes (to the left of the root), as well suffixes (to the right of the root) before placing the terminal vowel. In their verbal morphology, the reciprocal is one of the many derivational affixes that have, however, not gained similar prominence as the study of the applicative and the causative construction. The thrust of this study is to investigate the syntax and semantics of reciprocal constructions in ChiBarwe, a marginalised cross-border language spoken in Zimbabwe and Mozambique. …
Analysing The Impact Of Bi-Directional Application Of Iliceto Shield Wire Scheme For Rural Electrification In Tanzania: A Chalinze-Hale Transmission Line Case Study, Santos Kihwele, Prisca Paul
Analysing The Impact Of Bi-Directional Application Of Iliceto Shield Wire Scheme For Rural Electrification In Tanzania: A Chalinze-Hale Transmission Line Case Study, Santos Kihwele, Prisca Paul
Tanzania Journal of Engineering and Technology (TJET)
Clean energy accessibility including electricity remains a major challenge in Tanzanian villages despite the many efforts made by its government. The primary obstacle is that these villages are located more than 100 kilometres away from high-voltage to medium-voltage (HV/MV) transformer stations. Therefore, electrifying these villages by conventional method is financially not feasible. One of the low-cost rural electrification techniques that can be used to solve the issue is the "Iliceto Shield Wire Scheme" (ISWS) technology, In Tanzania, the application of ISWS technology seems to be very promising. However, the technology can be integrated with locally available renewable energy sources ( …
Genetically Modified Crops In Africa: Evidence On Adoption, Economic Benefits, Environmental Effects, And Constraints, Aloyce Hepelwa, Innocensia John
Genetically Modified Crops In Africa: Evidence On Adoption, Economic Benefits, Environmental Effects, And Constraints, Aloyce Hepelwa, Innocensia John
Tanzanian Economic Review
Africa faces deep food insecurity with over 300 million undernourished people driven by, low agricultural productivity, and climate shocks. To enhance food production and sustainable development, there is potential seen in genetically modified (GM) crops. To explore the potential of GM crops, this paper examines their production, adoption, economic and environmental impacts, adoption barriers, and policy implications in Africa and globally. This is done using a structured narrative review of peer-reviewed literature, reports, and policy documents (2014–2024) sourced from different databases complemented by stakeholder consultations. The findings show that GM has expanded considerably worldwide driven by high productivity, reduced pesticide …
Institutional Isomorphism, Top Management Commitment, And Environmental Disclosure In Tanzania’S Construction Sector, Aulelius Lema, Siasa Issa Mzenzi
Institutional Isomorphism, Top Management Commitment, And Environmental Disclosure In Tanzania’S Construction Sector, Aulelius Lema, Siasa Issa Mzenzi
Business Management Review
This study examined the influence of institutional isomorphism on environmental disclosure (ED) in Tanzania’s construction sector and the mediating role of top management commitment (TMC). A cross-sectional design was employed, with data collected from 314 construction firms. Environmental disclosure was measured using content analysis of financial reports, and Structural Equation Modelling using the Maximum Likelihood Estimation (MLE) method was used to estimate the structural model. The findings reveal that coercive, normative, and mimetic pressures significantly impact ED. The result also indicates that TMC significantly affects ED and mediates mimetic pressure’s effect, but does not mediate coercive or normative pressures. Similarly, …
Integrated Pest Management Adoption, Pesticide Handling And Knowledge Gaps Among Cotton Farmers In Tanzania: Implications For Human And Environmental Health, Sospeter Jibunge Charles
Integrated Pest Management Adoption, Pesticide Handling And Knowledge Gaps Among Cotton Farmers In Tanzania: Implications For Human And Environmental Health, Sospeter Jibunge Charles
Journal of Humanities and Social Sciences
The global demand for cotton has risen significantly due to its extensive use in the textile and manufacturing industries, making it one of the most valuable cash crops worldwide. However, this growing demand for cotton production is severely threatened by the currently emerging pests which are intensified by the occurring of climate change and variability. As a result, many smallholder farmers have increasingly turned to chemical pesticides use to control the pests and maintain cotton production. But, while pesticides are effective in controlling pests and improving yields, their improper use and mismanagement pose serious risks to human health and the …
Undergraduate Awareness Of Sexual Harassment Law In Tanzania's Higher Learning Institutions: Case Studies Of Two Universities, Salma Ramadhan Fundi Phd Candidate
Undergraduate Awareness Of Sexual Harassment Law In Tanzania's Higher Learning Institutions: Case Studies Of Two Universities, Salma Ramadhan Fundi Phd Candidate
Tanzania Journal of Sociology
This study examines undergraduate students' awareness of legal provisions and guidelines concerning sexual harassment in Tanzanian higher education, focusing on the University of Dar es Salaam (UDSM) and the Open University of Tanzania (OUT) as case studies. Sexual harassment significantly impacts students’ well-being, safety, and academic success. Despite the existence of legal frameworks, students' knowledge of these provisions is often limited. The study employed a qualitative approach with a phenomenological research design to explore students’ experiences and perceptions of harassment policies. This design allowed participants to share the meanings they attach to their experiences and how such policies are understood …
Morphometric And Meristic Analysis Of Labeo Coubie In Esa-Odo Water Reservoir, Esa-Odo, Osun State Nigeria, Olugbemi V. Ekundare, Funmilayo B. Oyekanmi, Mahmud Sanni, Azeez Aransi, Dorcas O. Owolabi
Morphometric And Meristic Analysis Of Labeo Coubie In Esa-Odo Water Reservoir, Esa-Odo, Osun State Nigeria, Olugbemi V. Ekundare, Funmilayo B. Oyekanmi, Mahmud Sanni, Azeez Aransi, Dorcas O. Owolabi
Tanzania Journal of Science
One of the common species of family Cyprinidae found in Nigeria and West Africa is Labeo coubie. They are of commercial importance in West Africa. This study embarked on the assessment of the length- weight relationship, condition factor, morphometrics and meristic characteristics of L. coubie from Esa-Odo water reservoir, Esa-Odo, Osun State Nigeria. A total of 135 (65 males and 70 females) individual L. coubie collected from fishermen were subjected to morphometric and meristic analysis. Results showed 4.90, 5.46 and 5.24 as the b value for male, female and combined sexes respectively, describing positive allometric growth for all the fish …