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Browsing Data Management, Modelling, and Geo-Information (DMMG) by Issue Date

Browsing Data Management, Modelling, and Geo-Information (DMMG) by Issue Date

Now showing items 1-20 of 23

Multi-source spatial data-based invasion risk modeling of striga (Striga asiatica) in Zimbabwe.

Mudereri, B.T.; Abdel-Rahman, E.; Dube, T.; Landmann, T.; Khan, Z.R.; Kimathi, E.; Owino, R.; Niassy, S. (GIScience & Remote Sensin, 2020)

Monitoring of destructive invasive weeds such as those from the genus Striga requires accurate, near real-time predictions and integrated assessment techniques to enable better surveillance and consistent assessment ...
Suitability of resampled multispectral datasets for mapping flowering plants in the Kenyan savannah

Makori, D.M.; Abdel-Rahman, E. M.; Landmann, T.; Mutanga, O.; Odindi, J.; Nguku, E.; Tonnang, E. H. Z.; Raina, S. (PLoS ONE, 2020)

Pollination services and honeybee health in general are important in the African savannahs particularly to farmers who often rely on honeybee products as a supplementary source of income. Therefore, it is imperative to ...
Landscape fragmentation in coffee agroecological subzones in central Kenya : A multiscale remote sensing approach.

Mosomtai, G.; Odindi, J.; Abdel-Rahman, E. M.; Babin, R.; Fabrice, P.; Mutanga, O.; Tonnang, E. H. Z.; David, G.; Landmann, T. (Journal of Applied Remote Sensing, 2020)

Smallholder agroecological subzones (AEsZs) produce an array of crops occupying large areas throughout Africa but remain largely unmapped. We explored multisource satellite datasets to produce a seamless land-use and ...
Prediction of breeding regions for the desert locust Schistocerca gregaria in East Africa.

Kimathi, E.; Tonnang, H.E.Z; Subramanian, S.; Cressman, K.; Abdel-Rahman, E. M.; Tesfayohannes, M.; Niassy, S.; Torto, B.; Dubois, T.; Tanga, C. M.; Kassie, M.; Ekesi, S.; Mwangi, D.; Kelemu, S. (Scientific Reports, 2020)

Desert locust outbreak in East Africa is threatening livelihoods, food security, environment, and economic development in the region. The current magnitude of the desert locust invasion in East Africa is unprecedented and ...
Leveraging machine learning tools and algorithms for analysis of fruit fly morphometrics

Salifu, Daisy; Ibrahim, Eric Ali; Tonnang, Henri E. Z. (Scientific Reports, 2022)

Analysis of landmark-based morphometric measurements taken on body parts of insects have been a useful taxonomic approach alongside DNA barcoding in insect identification. Statistical analysis of morphometrics have largely ...
Data-Driven Artificial Intelligence (AI) Algorithms for Modelling Potential Maize Yield under Maize–Legume Farming Systems in East Africa

Komi, Mensah Agboka; Tonnang, Henri E. Z.; Elfatih, M. Abdel-Rahman; Odindi, John; Mutanga, Onisimo; Saliou, Niassy (MDPI -Agronomy, 2023)

Agroecological farming systems such as maize–legume intercropping (MLI) and push-pull technology (PPT) have been introduced to mitigate losses from pests. Nevertheless, the regionwide maize yield gained from practicing ...
Linking spatial distribution of Rhipicephalus appendiculatus to climatic variables important for the successful biocontrol by Metarhizium anisopliae in Eastern Africa

Guimapi, Ritter A.; Klingen, Ingeborg; Tonnang, Henri E.Z.; Nana, Paulin (Acta Tropica, 2023)

Cattle production is constantly threatened by diseases like East Coast fever, also known as theileriosis, caused by the protozoan parasite Theileria parva which is transmitted by ticks such as the brown ear tick, Rhipicephalus ...
System Dynamics Modeling for Assessing the Impact of COVID-19 on Food Supply Chains: A Case Study of Kenya and Rwanda

Tonnang, Henri E. Z.; Mawuko Sokame, Bonoukpoè; Wamalwa, Mark; Saliou, Niassy; Muriithi, Beatrice (MDPI Sustainability, 2023)

Disruptions in the food supply chains caused by the COVID-19 pandemic have destabilized the balance between production, supply, transport, distribution, and consumption. Consequently, these disruptions have affected food ...
Computational Biogeographic Distribution of the Fall armyworm (Spodoptera frugiperda J.E. Smith) Moth in Eastern Africa

Elfatih M., Abdel-Rahman; Kimathi, Emily; Mudereri, Bester Tawona; Tonnang, Henri E.Z.; Mongare, Raphael; Saliou, Niassy; Subramanian, Sevgan (Heliyon, 2023)

The fall armyworm (FAW), Spodoptera frugiperda J.E. Smith, has caused massive maize losses since its attack on the African continent in 2016, particularly in east Africa. In this study, we predicted the spatial distribution ...
Mapping, intensities and future prediction of land use/land cover dynamics using google earth engine and CA- artificial neural network model

Maysoon, A. A. Osman; Elfatih, M. Abdel-Rahman; Joshua, Orungo Onono; Lydia, A. Olaka; Muna, M. Elhag; Marian, Adan; Tonnang, Henri E. Z. (PLOS ONE, 2023)

Mapping of land use/ land cover (LULC) dynamics has gained significant attention in the past decades. This is due to the role played by LULC change in assessing climate, various ecosystem functions, natural resource ...
Towards early response to desert locust swarming in eastern Africa by estimating timing of hatching

Tobias, Landmann; Komi M., Agboka; Igor, Klein; Elfatih M, Abdel-Rahman; Emily, Kimathi; Bester T., Mudereri; Benard, Malenge; Mahgoub M., Mohamed; Henri E.Z., Tonnang (2023)

Desert locust (Schistocerca gregaria) plagues threaten agricultural production, food security and the environment across Africa, the Middle East, and Southwest Asia. Control methods targeting adult desert locusts present ...
Efficacy of Botanical Extract Formulations of Zanthroxylum usambarense and Warburgia ugandensis on Post-Harvest Management of Sitophilus zeamais in Maize

Rhonest, Siroya Mpoke; Johnson, Kinyua; Josephine, Wambaire Kimani; Inusa, Jacob Ajene; Paddy, Likhayo; Fathiya, Mbarak Khamis (MDPI - Sustainability, 2023)

Sitophilus zeamais causes significant losses to maize produce worldwide. The use of biodegradable and environmentally friendly botanicals as an alternative to synthetic pesticides is increasingly becoming important. ...
Mathematical modelling of the interactive dynamics of wild and Microsporidia MB-infected mosquitoes

Charlene N, T. Mfangnia; Tonnang, Henri E. Z.; Berge, Tsanou; Jeremy, Herren (Mathematical Biosciences and Engineering, 2023)

A recent discovery highlighted that mosquitoes infected with Microsporidia MB are unable to transmit the Plasmodium to humans. Microsporidia MB is a symbiont transmitted vertically and horizontally in the mosquito population, ...
Insect diversity is a good indicator of biodiversity status in Africa

Tobias, Landmann; Burak, Ekim; Jandouwe, Villinger; Faith, Ashiono; Jan C., Habel; Tonnang, Henri E. Z. (Communications Earth and Environment, 2023)

Reliable metrics to monitor human impacts on biodiversity are essential for informing conservation policy. As insects are indicators of global change, whose declines profoundly affect ecosystems, insect diversity may predict ...
A Systematic Review on Advancements in Remote Sensing for Assessing and Monitoring Land Use and Land Cover Changes Impacts on Surface Water Resources in Semi-Arid Tropical Environments

Makgabo, Johanna Mashala; Timothy, Dube; Bester, Tawona Mudereri; Kingsley, Kwabena Ayisi; Marubini, Reuben Ramudzuli (MDPI - Remote Sensing, 2023)

This study aimed to provide a systematic overview of the progress made in utilizing remote sensing for assessing the impacts of land use and land cover (LULC) changes on water resources (quality and quantity). This review ...
Ecological determinants and risk areas ofStriga hermonthicainfestation in western Kenya under changing climate

Kimathi, Emily; Abdel-Rahman, Elfatih M.; Lukhoba, Catherine; Ndambi, Asaah; Mudereri, Bester Tawona; Saliou, Niassy; Tonnang, Henri E. Z.; Landmann, Tobias (Weed Research, 2023)

Striga hermonthica(Del.) Benth is a parasitic weed that is damaging major cereal cropsin sub-Saharan Africa (SSA). AlthoughStrigais recognised as an agricultural scourge,there is limited information available indicating ...
Integrating Sentinel-2 Derivatives to Map Land Use/Land Cover in an Avocado Agro-Ecological System in Kenya

Eunice, King'ori; Elfatih, Mohamed Abdel-Rahman; Paul, Obade; Bester, Tawona Mudereri; Marian, Adan; Tobias, Landmann; Henri, TONNANG; Thomas, DUBOIS (Remote Sensing in Earth Systems Sciences, 2023)

Reliable, readily available, and appropriate land use/land cover (LULC) information is fundamental for coherent land and natural resources management, especially in data-scarce environments that are complex and heterogeneous. ...
E47 Low prevalence and mortality associated with COVID-19 in sub-Saharan African Children and adolescents: hypotheses from a literature review

Fernando, Kemta Lekpa; Sylvain, Raoul Simeni Njonnou; Dominique, Enyama; Diomede, Noukeu Njinkui; Jerome, Ateudjieu; Henri, E Z Tonnang; Henry, Namme Luma; Simeon, Pierre Choukem (Rheumatology, 2023)

Severe acute respiratory syndrome coronavirus 2 continues to spread around the world, particularly in sub-Saharan Africa. However, outside South Africa, as in adults, the pandemic has had very little impact on African ...
Economic impact of a classical biological control program: application to Diachasmimorpha longicaudata against Batrocera dorsalis fruit fy in Kenya

Komi Mensah Agboka; Henri, E. Z. Tonnang; Beatrice, Muriithi; Saliou, Niassy; Shepard, Ndlela; Elfatih, M. Abdel‑Rahman; Samira, A. Mohamed; Sunday, Ekesi (Biological Control, 2023)

Classical biological control (CBC) has been exploited as a safer alternative for suppressing the oriental fruit fy, Bactrocera dorsalis, by importing, rearing, and releasing the larval parasitoid, Diachasmimorpha longicaudata. ...
Leveraging computational intelligence to identify and map suitable sites for scaling up augmentative biological control of cereal crop pests

Komi, Mensah Agboka; Henri, E.Z. Tonnang; Elfatih, M. Abdel-Rahman; John, Odindi; Onisimo, Mutanga; Saliou, Niassy (Biological control, 2024)

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 ...

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