Onisimo Mutanga
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View article: Determining the influence of livelihoods, land access, and location on household food and nutrition security in KwaZulu-Natal, South Africa
Determining the influence of livelihoods, land access, and location on household food and nutrition security in KwaZulu-Natal, South Africa Open
View article: Fine-scale mapping of irrigation suitability in South Africa using ensemble modelling
Fine-scale mapping of irrigation suitability in South Africa using ensemble modelling Open
Food insecurity, exacerbated by a growing population and environmental change, poses a significant challenge in Southern Africa. Enhancing agricultural productivity through efficient irrigation practices is crucial for achieving food and w…
View article: Exploring the utility of remote sensing technology in vegetation below ground biomass (BGB) estimation: a critical review of methods and challenges
Exploring the utility of remote sensing technology in vegetation below ground biomass (BGB) estimation: a critical review of methods and challenges Open
Understanding vegetation Below Ground Biomass (BGB) dynamics is essential to ensure long-term ecological functions such as carbon sequestration and optimizing critical tuber crops productivity. Whereas the utility of remote sensing in asse…
View article: Mapping sub-surface distribution of soil organic carbon stocks in South Africa's arid and semi-arid landscapes: Implications for land management and climate change mitigation
Mapping sub-surface distribution of soil organic carbon stocks in South Africa's arid and semi-arid landscapes: Implications for land management and climate change mitigation Open
View article: Assessing land degradation in the Upper Manyame sub-catchment area, Zimbabwe using the RUSLE prediction model
Assessing land degradation in the Upper Manyame sub-catchment area, Zimbabwe using the RUSLE prediction model Open
View article: Assessing the Potential of Drone Remotely Sensed Data in Detecting the Soil Moisture Content and Taro Leaf Chlorophyll Content Across Different Phenological Stages
Assessing the Potential of Drone Remotely Sensed Data in Detecting the Soil Moisture Content and Taro Leaf Chlorophyll Content Across Different Phenological Stages Open
Soil moisture content is an important determinant of crop productivity, especially in agricultural systems that are dependent on rainfall. Climate variability has introduced water management challenges for smallholder farmers in Southern A…
View article: Multi-temporal analysis of taro crop water stress using high-resolution thermal and multispectral proximal sensing for improved resilience of smallholder farming systems
Multi-temporal analysis of taro crop water stress using high-resolution thermal and multispectral proximal sensing for improved resilience of smallholder farming systems Open
Taro, a neglected and underutilised crop, is identified as a promising future smart crop with significant potential to enhance food security while diversifying cropping systems. Despite its reported resilience to climate change impacts, ta…
View article: Modelling soil organic carbon at multiple depths in woody encroached grasslands using integrated remotely sensed data
Modelling soil organic carbon at multiple depths in woody encroached grasslands using integrated remotely sensed data Open
Woody plants encroachment into grasslands has considerable hydrological and biogeochemical consequences to grassland soils that include altering the Soil Organic Carbon (SOC) pool. Consequently, continuous SOC stock assessment and evaluati…
View article: The utility of radiative transfer models (RTM) on remotely sensed data in retrieving biophysical and biochemical properties of terrestrial biomes: A systematic review
The utility of radiative transfer models (RTM) on remotely sensed data in retrieving biophysical and biochemical properties of terrestrial biomes: A systematic review Open
View article: Steering conservation biocontrol at the frontlines: A fuzzy logic approach unleashing potentials of climate-smart intercropping as a component within the integrated management of fall armyworm in Africa
Steering conservation biocontrol at the frontlines: A fuzzy logic approach unleashing potentials of climate-smart intercropping as a component within the integrated management of fall armyworm in Africa Open
This study introduces a computational index that employs fuzzy sets theory to identify potential deployment sites for push-pull as a component in the integrated management of Fall Armyworm (FAW) in Africa. The index, validated through know…
View article: Spatiotemporal trends in Anopheles funestus breeding habitats
Spatiotemporal trends in Anopheles funestus breeding habitats Open
Effective identification and control of malaria vector larval breeding habitats are crucial for the management and eradication of malaria. Despite its importance, the last decade has seen a decline in data availability and intervention eff…
View article: Drought and flood risk mapping using a GIS-based multi-criteria decision method: A case of the Olifants Basin, South Africa
Drought and flood risk mapping using a GIS-based multi-criteria decision method: A case of the Olifants Basin, South Africa Open
Droughts and floods are climate extremes of the same hydrological cycle that need to be studied concurrently. In this age of increasing climate risks and uncertainty, droughts and floods have become the most impactful extreme climate event…
View article: Bayesian Spatial-Temporal Modelling of Relative Mortality Risk in East Africa: The Role of Climate, Air Pollution, and Urbanization
Bayesian Spatial-Temporal Modelling of Relative Mortality Risk in East Africa: The Role of Climate, Air Pollution, and Urbanization Open
View article: Evaluating Spectral Separability of Maize and Soybean Across Growth Stages Using Hyperspectral Data
Evaluating Spectral Separability of Maize and Soybean Across Growth Stages Using Hyperspectral Data Open
View article: Adaptation to climate change in pastoral communities: a systematic review through a social-ecological lens
Adaptation to climate change in pastoral communities: a systematic review through a social-ecological lens Open
Purpose This paper aims to apply a socio-ecological systems framework to demonstrate that pastoral adaptation to climate change necessitates a comprehensive approach. Design/methodology/approach The authors evaluated the depth of knowledge…
View article: Determining Optimal SAR Parameters for Quantifying Above-Ground Grass Carbon Stock in Savannah Ecosystems Using a Tree-Based Algorithm
Determining Optimal SAR Parameters for Quantifying Above-Ground Grass Carbon Stock in Savannah Ecosystems Using a Tree-Based Algorithm Open
The quantification and monitoring of above-ground grass carbon stock (AGGCS) will inform emission reduction policies and aid in minimising the risks associated with future climate change. This study investigated the sensitivity of Syntheti…
View article: Modelling Soil Organic Carbon at Multiple Depths in Woody Encroached Grasslands Using Integrated Remotely Sensed Data
Modelling Soil Organic Carbon at Multiple Depths in Woody Encroached Grasslands Using Integrated Remotely Sensed Data Open
Woody plants encroachment into grasslands has considerable hydrological and biogeochemical consequences to grassland soils that include altering the Soil Organic Carbon (SOC) pool. Consequently, continuous SOC stock assessment and evaluati…
View article: Assessing drivers of vegetation fire occurrence in Zimbabwe - Insights from Maxent modelling and historical data analysis
Assessing drivers of vegetation fire occurrence in Zimbabwe - Insights from Maxent modelling and historical data analysis Open
View article: A critical review of literature on remote sensing grass quality during the senescence phenological stage
A critical review of literature on remote sensing grass quality during the senescence phenological stage Open
This article provides a critical review of progress, challenges, emerging gaps as well as future recommendations on the remote sensing of grass quality during the senescence phenological stage. The study adopted a critical approach and ana…
View article: A systematic review on the application of UAV-based thermal remote sensing for assessing and monitoring crop water status in crop farming systems
A systematic review on the application of UAV-based thermal remote sensing for assessing and monitoring crop water status in crop farming systems Open
The accurate assessment and monitoring of crop water status is a critical component of precision agriculture. Over the recent decade, unmanned aerial vehicles (UAVs) integrated with high-resolution thermal technologies, have pioneered a ne…
View article: Remote sensing of depth-induced variations in soil organic carbon stocks distribution within different vegetated landscapes
Remote sensing of depth-induced variations in soil organic carbon stocks distribution within different vegetated landscapes Open
The preservation and augmentation of soil organic carbon (SOC) stocks is critical to designing climate change mitigation strategies and alleviating global warming. However, due to the susceptibility of SOC stocks to environmental and topo-…
View article: Leveraging climate and remote sensing metrics for predicting forest carbon stock using Bayesian geostatistical modelling under a projected climate warming in Zimbabwe
Leveraging climate and remote sensing metrics for predicting forest carbon stock using Bayesian geostatistical modelling under a projected climate warming in Zimbabwe Open
Climate change, driven by escalating carbon dioxide (CO2) emissions, poses a significant threat to forest ecosystems and the livelihoods of communities reliant on them, especially for the global south countries and regions like the eastern…
View article: Mapping sub-surface distribution of soil organic carbon stocks in South Africa's arid and semi-arid landscapes: Implications for land management and climate change mitigation
Mapping sub-surface distribution of soil organic carbon stocks in South Africa's arid and semi-arid landscapes: Implications for land management and climate change mitigation Open
View article: National-scale spatiotemporal patterns of vegetation fire occurrences using MODIS satellite data
National-scale spatiotemporal patterns of vegetation fire occurrences using MODIS satellite data Open
As the risk of climate change increases, robust fire monitoring methods become critical for fire management purposes. National-scale spatiotemporal patterns of the fires and how they relate to vegetation and environmental conditions are no…
View article: Multi-pronged abundance prediction of bee pests’ spatial proliferation in Kenya
Multi-pronged abundance prediction of bee pests’ spatial proliferation in Kenya Open
Bee farming and beehealth are threatened by climate change, agricultural and agrochemicals intensification, and bee pests and diseases. Among these threats, bee pests have particularly been identified as a major obstacle to beehealth. Alth…
View article: Leveraging computational intelligence to identify and map suitable sites for scaling up augmentative biological control of cereal crop pests
Leveraging computational intelligence to identify and map suitable sites for scaling up augmentative biological control of cereal crop pests Open
Fall armyworm (FAW) Spodoptera frugiperda (J. E. Smith) is a major pest affecting cereal production in Africa. Biological control (BC) technologies are being promoted as a sustainable alternative to chemical control, which can lead to heal…
View article: The utility of Planetscope spectral data in quantifying above-ground carbon stock in an urban reforested landscape
The utility of Planetscope spectral data in quantifying above-ground carbon stock in an urban reforested landscape Open
Urbanization, deforestation, and forest degradation significantly contribute to atmospheric carbon emissions and heightened climate change risks. Reforestation, a sustainable long-term land use strategy, offers mitigation by sequestering c…
View article: Land cover changes in grassland landscapes: combining enhanced Landsat data composition, LandTrendr, and machine learning classification in google earth engine with MLP-ANN scenario forecasting
Land cover changes in grassland landscapes: combining enhanced Landsat data composition, LandTrendr, and machine learning classification in google earth engine with MLP-ANN scenario forecasting Open
Understanding grassland habitat dynamics in space and time is crucial for evaluating the effectiveness of protection measures and developing sustainable management practices, specifically within the Natura 2000 network and in light of the …
View article: A multi-source data approach to carbon stock prediction using Bayesian hierarchical geostatistical models in plantation forest ecosystems
A multi-source data approach to carbon stock prediction using Bayesian hierarchical geostatistical models in plantation forest ecosystems Open
Modeling of environmental phenomena is usually confounded by the influence of multiple factors existing at different time and spatial scales. Bayesian modeling is presumed to be the best approach for modeling such complex systems. Using a …
View article: Enhancing Target Crop Discrimination: A Novel Shadow Detection Technique for Rgb Datasets in Mixed Agricultural Environments
Enhancing Target Crop Discrimination: A Novel Shadow Detection Technique for Rgb Datasets in Mixed Agricultural Environments Open