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Dr. Grite N. Mwaijengo
Lecturer
Dr Mwaijengo is an expert in the field of freshwater ecology and water resources management. Her research interests span the areas of freshwater ecosystem health, biomonitoring, restoration of aquatic ecosystems, water quality, bioinformatics, river network models, environmental flow assessment, biostatistics, and integrated water resource management.
Experience & Activities
Dr. Grite Nelson Mwaijengo is a Tanzanian freshwater ecologist and lecturer at the Nelson Mandela African Institution of Science and Technology (NM-AIST) in Arusha, Tanzania. She holds a PhD in Biology from KU Leuven, Belgium, jointly supervised by KU Leuven and NM-AIST. Her research focuses on freshwater ecosystem health, water quality assessment, and the use of aquatic macroinvertebrates as bioindicators for riverine environmental monitoring.
Dr. Mwaijengo’s PhD research assessed the ecological integrity of river ecosystems in the Upper Pangani River Basin, using ecological and spatial modeling tools to support sustainable water management. She is particularly interested in ecological restoration, environmental flow assessments, and integrated water resources management. In addition to her academic work, she has contributed to national biodiversity data efforts and international collaborations on water and environmental conservation.
1.PhD Research: Ecological Integrity of River Ecosystems in the Upper Pangani River Basin
Dr. Mwaijengo's doctoral research assessed the ecological health of river ecosystems in the Upper Pangani River Basin, Tanzania. The study utilized macroinvertebrate communities and water quality indicators to evaluate the impacts of land use and seasonal variations on river ecosystems. The findings aimed to inform sustainable water resource management practices in the region.
2.Macroinvertebrates in Wetlands
Dr. Mwaijengo co-authored a chapter on the diversity and community composition of macroinvertebrates in wetlands, emphasizing the Afrotropical region. The chapter explored factors shaping macroinvertebrate communities, their role as indicators of habitat quality, and the threats they face in wetland ecosystems.
3.Flash Flood Early Warning Systems
Dr. Mwaijengo contributed to a critical review of flash flood early warning systems (FFEWS) in reducing disaster risks. The chapter examined the effectiveness of FFEWS in mitigating the impacts of flash floods, providing insights into their design and implementation for disaster risk reduction.
Connecting the dots: Spatial connectivity and ecological dynamics in a tropical river catchment
GN Mwaijengo - Ecohydrology & Hydrobiology, 2025 - Elsevier
The unique branching geometry of river networks distinguishes them from other ecological
systems and strongly influences key ecological processes. Yet, models that explicitly account …
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GN Mwaijengo - 2020 - lirias.kuleuven.be
… fulfilment of the requirements for the degree of Doctor of Science (PhD): Biology) … MWAIJENGO
Dissertation presented in partial fulfilment of the requirements for the degree of Doctor of …
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MJ Mkelemi, GN Mwaijengo, MJ Rwiza - Environmental Science …, 2024 - pubs.rsc.org
… Mkelemi, Dr Mwemezi J. Rwiza, and Dr Grite Nelson Mwaijengo were responsible for the
data curation. Magdalena J. Mkelemi and Dr Grite Nelson Mwaijengo were responsible for …
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