- 1Instituto Pirenaico de Ecología (IPE-CSIC), Zaragoza, Spain (lizaga.ivan10@gmail.com)
- *A full list of authors appears at the end of the abstract
Land degradation in Sub-Saharan Africa presents a multi-scalar challenge that requires more than isolated technical interventions; it demands a closed-loop system that connects regional monitoring, human capacity building, and site-specific restoration. We propose a holistic framework structured around the "Detect-Empower-Restore" cycle. This approach integrates three interconnected projects to foster resilient agroecosystems across the Democratic Republic of the Congo, Tanzania, Uganda, Burundi, Rwanda, Zambia, Ivory Coast, Ghana, Ethiopia and Mozambique.
The "Detect" phase is anchored by DeltaSense, an innovative remote sensing tool that utilizes inland lake deltas as sensitive geomorphic "sentinels" of regional landscape health. Because deltas aggregate the cumulative impacts of upstream land-use changes, they provide a high-level diagnostic of catchment-wide degradation. Building on pilot studies in the Lake Kivu region, DeltaSense utilizes 40 years of satellite time-series data—calibrated by UAV imagery and bathymetric surveys—to identify degradation hotspots driven by deforestation, mining, and agricultural expansion. By analyzing delta dynamics, we can pinpoint precisely where the upstream terrestrial "health" is failing or, conversely, identify where remediation practices are succeeding.
The "Empower" phase addresses the critical gap between data and action through the SHE-CREEDS project. Recognizing that data alone cannot drive change, this initiative establishes a transnational knowledge network involving six African nations. By supporting and training specialists in the field of sustainability science, SHE-CREEDS seeks to harmonize scientific standards and training protocols across six regional institutions. The project focuses on climate-smart agriculture, efficient energy and water technologies, integrated with digitalization. The capacity developed from this can also help foster the insights generated by DeltaSense in ways that can be translated into actionable intelligence by a local and skilled workforce.
Closing the loop, the "Restore" phase focuses on the physical recovery of critically damaged landscapes, exemplified by the project "From Monitoring to Managing Soil and Water Degradation in Tanzanian Gullies." Focusing on extreme gully erosion in Northern Tanzania, this stage applies the cycle’s findings to ground-level engineering and soil management. By transitioning from monitoring to active management, we implement locally co-designed and implemented restoration techniques to stabilize small-to-medium-sized gullies, preventing further sediment loss and attempting to restore the productivity of the surrounding agroecosystems in the long term.
The synthesis of these three projects creates a robust feedback loop: DeltaSense provides the macro-scale diagnosis; SHE-CREEDS mobilizes the technical expertise and digital tools; and the Tanzanian Gully project delivers the micro-scale physical remediation. This integrated methodological framework moves beyond traditional silos, offering a scalable action plan for environmental management where satellite-based detection informs local remediation through context-specific methods implemented by a competent workforce. If further scaled and maintained, this framework could contribute to a significant advancement in environmental monitoring, providing a replicable blueprint for achieving socio-ecological resilience in the regions facing rapid environmental change.
Ivan Lizaga (1), Maarten Wynants (2,3), Linus Munishi (4), Mwemezi Rwiza (4), Joseph Okello (5), Moses Muhumuza (5), Oforo Didas Kimaro (4,6), Aloyce Amasi (4), Montfort Bagalwa (7), Landry Cizungu (8), Bossissi Nkuba (9,10,8), Borja Latorre (11), Marta Simón (11), Eya Kanzari (11), Fergus Reig-Gracia (1), Eduardo Moreno-Lamana (1), Santiago Beguería (11), Bernard Musana (12), Eric Bizimana (12), Andrew Brooks (3), Kawawa Banda (13), Isaac Ahanamungu Makelele (14), John Kongor (15), Kasahun Eba (16), Merkeb Getachew (17), Jean-Baptiste Ettien (18), Olivier Dewitte (9), Kristof Van Oost (19), Claire Kelly (20), William Blake (20), Pascal Boeckx (2) _________________________________________________________________________________________________________________________________ __________________________________ (1) Instituto Pirenaico de Ecología (IPE-CSIC), Spanish National Research Council, Avenida Montañana, 1005, 50059 Zaragoza, Spain. (2) Isotope Bioscience Laboratory - ISOFYS, Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, 9000, Gent, Belgium (3) Griffith University, School of Science and Environment, Building G51; Griffith University; Gold Coast campus, Queensland, 4222, Australia (4) School of Life Sciences and Bio-Engineering, The Nelson Mandela-African Institute of Science and Technology (NM-AIST), P O Box 447, Tengeru, Arusha, Tanzania (5) Mountains of The Moon University (MMU), Fort Portal, Uganda (6) Institute of Soil Science and Site Ecology, Faculty of Environmental Sciences, Technische Universität Dresden, Pienner Straße 19, 01737 Tharandt, Germany (7) Service Environnement, Observatoire Volcanologique de Goma (OVG), Goma, Democratic Republic of Congo (8) Université catholique de Bukavu (UCB) (9) Department of Earth Sciences, Royal Museum for Central Africa, Tervuren, Belgium (10) University of Antwerp, Institute of Development Policy and Management (IOB), Antwerpen, Belgium (11) Estación Experimental de Aula-Dei (EEAD-CSIC), Spanish National Research Council, Avenida Montañana, 1005, 50059 Zaragoza, Spain (12) Rwanda Water Resources Board (RWB), 6213, Nyarugenge Pension Plaza, Kigali, Rwanda (13) Integrated Water Resources Management Centre, School of Mines, University of Zambia, P.O. Box 32379, Lusaka (14) Department of Biology, Université Officielle de Bukavu, Avenue Dr. Lurhuma Commune de Kadutu 1, Bukavu, Democratic Republic of the Congo (15) College of Science and Technology, Council for scientific and industrial research (CSIR-GH), Ghana (16) Department of Environmental Health Science and Technology, Jimma University (17) College of Agriculture and Veterinary Medicine, Jimma University (18) University Felix Houphouët-Boigny, Abidjan, Cocody, Côte d’Ivoire (19) Earth and Life Institute, UCLouvain, Louvain-la-Neuve, Belgium (20) School of Geography, Earth and Environmental Sciences, University of Plymouth, UK
How to cite: Lizaga, I. and the DeltaSense | SHE-CREEDS | IMARA-G: The "Detect-Empower-Restore" Cycle: A Collaborative Framework for Agroecosystem Resilience across Sub-Saharan Africa, EGU General Assembly 2026, Vienna, Austria, 3–8 May 2026, EGU26-19377, https://doi.org/10.5194/egusphere-egu26-19377, 2026.