All Stories

  1. Seawater and sediment quality assessment around the Port of Kribi, Cameroon, south Atlantic Coast

    Article • Estuarine Coastal and Shelf Science, October 2026, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  2. Assessment of heavy metal contamination and its ecological risks in the surface sediments along the lower part of the Cameroonian coast

    Article • Arabian Journal of Geosciences, June 2026, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  3. Provenance of the Mbam and Noun River sediments, Central Cameroon

    Article • Journal of African Earth Sciences, May 2026, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  4. Assessment of Drinking Water Supply, Sanitation Practices, and Water Quality in the Afeumey Peri‐Urban Watershed, Cameroon

    Article • Water Environment Research, December 2025, Wiley

    Dr Armel Zacharie Ekoa Bessa

  5. Trace element levels and soil quality assessment in pineapple-cultivated soils of Awae, Central Cameroon

    Article • Environmental Monitoring and Assessment, September 2025, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  6. Microtexture, mineralogy, and geochemistry of sediments in the Campo beach area, South Cameroon

    Article • Journal of Sedimentary Environments, April 2025, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  7. A geochemical and palynological study of lake sediments at Mboandong, Cameroon: Chemical weathering and vegetation linked to Holocene palaeoclimate

    Article • Journal of African Earth Sciences, March 2025, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  8. Petrographic and geochemical study of Precambrian and Paleozoic rocks in the western Anti-Atlas belt, Morocco: Facies, weathering, provenance and economic exploitation

    Article • Heliyon, July 2024, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  9. Integrating remote sensing, GIS-based, and AHP techniques to delineate groundwater potential zones in the Moulouya Basin, North-East Morocco

    Article • Applied Water Science, May 2024, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  10. Dendrometrical Structure and Physicochemical Analysis of Mangrove Sediments from the Nyong River Estuary (Cameroon, Atlantic Coast)

    Article • Journal of Water Resources and Ocean Science, April 2024, Science Publishing Group

    Dr Armel Zacharie Ekoa Bessa

  11. Mineralogical and geochemical characteristics of the Nkoteng-Mbandjock alluvial clays from Sanaga valley deposits (Cameroon, Central Africa): Implications for source weathering and provenance

    Article • Heliyon, April 2024, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  12. Evaluation of surface water contamination and its impacts on health in the mining districts of Kambélé and Bétaré-Oya (Eastern-Cameroon)

    Article • Heliyon, April 2024, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  13. Variations and Quartz Grain Microtextures in Sediments from the Central Part of the Gulf of Guinea: Implications for Sedimentary Processes and Depositional Environment

    Article • Doklady Earth Sciences, February 2024, Pleiades Publishing Ltd

    Dr Armel Zacharie Ekoa Bessa

  14. Assessment of heavy metals and radionuclides (U and Th) contamination, and source identification of the Lékié Watershed sediments, Cameroon

    Article • Geosystems and Geoenvironment, February 2024, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  15. Heavy Minerals in Beach Sediments Along the Gulf of Guinea, Cameroon: Clues on Weathering Condition and Provenance

    Article • Thalassas An International Journal of Marine Sciences, January 2024, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  16. Provenance of Beach Sands in the Northern Gulf of Guinea, SW Cameroon

    Article • Journal of the Geological Society of India, January 2024, Geological Society of India

    Dr Armel Zacharie Ekoa Bessa

  17. Spatial Variation, Ecological Risk, and Point Sources of Environmental Trace Metals in Lacustrine Ecosystems: An Assessment of Natural and Urban Inputs

    Article • Soil and Sediment Contamination An International Journal, December 2023, Taylor & Francis

    Dr Armel Zacharie Ekoa Bessa

  18. Investigation of groundwater potential using geomatics and geophysical methods: Case study of the Anzi sub-basin, western Anti-Atlas, Morocco

    Article • Advances in Space Research, November 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  19. Alluvial sediments in Bol area (Lake Chad Basin): implications for source area-weathering and tectonic settings

    Article • Journal of Sedimentary Environments, August 2023, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  20. Assessment of heavy metal contamination in the surface sediments of the Vedaranyam coast, Southern India

    Article • Regional Studies in Marine Science, July 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa, Dr Magesh N S

  21. GIN method applied to the consolidation of cracked rocks: case study of the Memve’ele hydroelectric dam (southern Cameroon)

    Article • Arabian Journal of Geosciences, July 2023, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  22. Critical evaluation of weathering indexes for paleoclimatic reconstructions: indication from recent sediments and Mesozoic sedimentary rocks from equatorial to tropical Central Africa (Cameroon and Nigeria)

    Article • Arabian Journal of Geosciences, June 2023, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  23. Iron–titanium sands of the Atlantic beaches between Tan-Tan and Tarfaya (southwest Morocco): Characterisation and origin

    Article • Proceedings of the Geologists Association, May 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  24. The assessment of reservoir potential of Permian to Eocene reservoirs of Minwal-Joyamair fields, upper Indus basin, Pakistan

    Article • Heliyon, May 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  25. Provenance of clastic sediments: A case study from Cameroon, Central Africa

    Article • Solid Earth Sciences, April 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  26. Geochemistry and geostatistics for the assessment of trace elements contamination in soil and stream sediments in abandoned artisanal small-scale gold mining (Bétaré-Oya, Cameroon)

    Article • Applied Geochemistry, March 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  27. Petrography and geochemistry of the Sanaga river sediments, central Cameroon: Constraints on weathering, provenance, and tectonic setting

    Article • Journal of African Earth Sciences, March 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  28. Evaluation of provenance and weathering of beach sediments in the lower part of the Cameroonian coast

    Article • Journal of African Earth Sciences, February 2023, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  29. Distribution of trace metals and radionuclides contamination in two sections of sediment cores from the Nyong estuary, Cameroon, southern Atlantic coast

    Article • Regional Studies in Marine Science, November 2022, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  30. Assessment of Metallic Contamination in Soils and Sediments in the Bétaré-Oya Gold Artisanal Mine District, East-Cameroon

    Article • Annual Research & Review in Biology, August 2022, Sciencedomain International

    Dr Armel Zacharie Ekoa Bessa

  31. Assessment of Pollution and Identification of Sources of heavy Metals, and Radionuclides Contamination in Sand along the Southern part of the Cameroonian coast (South-West, Africa)

    Article • Earth and Planetary Science, May 2022, Nan Yang Academy of Sciences Pte Ltd

    Dr Armel Zacharie Ekoa Bessa

  32. Rare earth elements in surface waters and sediments of the Mgoua watershed, south western Cameroon

    Article • Arabian Journal of Geosciences, May 2022, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  33. Petrography and geochemistry of beach sediments along the central coast of Cameroon: constraints on paleoweathering, provenance, and tectonic setting

    Article • Arabian Journal of Geosciences, April 2022, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  34. Composition, weathering, and provenance of beach sands adjacent to volcanic rocks in the northern Gulf of Guinea, SW Cameroon

    Article • Journal of African Earth Sciences, April 2022, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  35. Heavy Metals Signature in Stream Sediments at Eséka Gold District, Central Africa: A Pre-mining Environmental Assessment

    Article • Chemistry Africa, January 2022, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  36. Mining Implication in the Geochemical Exploration of Fluvial Sediments of the East Nyambaka Volcanic Zone (Adamawa-Cameroon)

    Article • International Journal of Geosciences, January 2022, Scientific Research Publishing, Inc,

    Dr Armel Zacharie Ekoa Bessa

  37. Tectono-sedimentary framework of the Cretaceous intracontinental Babouri-Figuil Basin (Benue Trough, North-Cameroon)

    Article • Arabian Journal of Geosciences, December 2021, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  38. Evaluation of the Influence of Some Abiotic Factors on the Microbiological Quality of Groundwater in Soa Sub-division, Cameroon, Africa

    Article • Annual Research & Review in Biology, December 2021, Sciencedomain International

    Dr Armel Zacharie Ekoa Bessa

  39. Geochemistry of stream sediments from Eséka area (SW Cameroon): implications for surface process assessment and precious metals (Au, Pd, and Pt) exploration

    Article • Journal of Sedimentary Environments, December 2021, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  40. Characteristics and Source Identification of Environmental Trace Metals in Beach Sediments Along the Littoral Zone of Cameroon

    Article • Earth Systems and Environment, December 2021, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  41. Risk assessment of trace metals in Mefou River sediments, West-Africa

    Article • Heliyon, December 2021, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  42. Evaluation of Surface Water Contamination Using Heavy Metal Pollution Indices in the Mgoua Watershed, Southwestern Cameroon

    Article • International Journal of Current Microbiology and Applied Sciences, November 2021, Excellent Publishers

    Dr Armel Zacharie Ekoa Bessa

  43. Assessment of the Heavy Metals Pollution and Ecological Risk in Sediments of Mediterranean Sea Drain Estuaries in Egypt and Phytoremediation Potential of Two Emergent Plants

    Article • Sustainability, November 2021, MDPI AG

    Dr Armel Zacharie Ekoa Bessa

  44. Mineralogy and geochemistry of Lobé River sediments, SW Cameroon: Implications for provenance and weathering

    Article • Journal of African Earth Sciences, November 2021, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  45. Mineralogy and geochemistry of Tecolutla and Coatzacoalcos beach sediments, SW Gulf of Mexico

    Article • Applied Geochemistry, November 2021, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  46. Correlations between morphoneotectonic parameters and Precambrian tectonic structures in the Nyong Group greenstone belts: Example of the Kopongo area (NW of the Congo Craton, Southwestern Cameroon)

    Article • Journal of African Earth Sciences, October 2021, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  47. Distributions of Trace Metals and Radionuclides Contamination in Alluvial Sediments from the Lobé River in Cameroon

    Article • Earth Systems and Environment, August 2021, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  48. Heavy Metal Contamination and Ecological Risk Assessment of Overlying Water and Sediments of Nkozoa Lake (Southern Cameroon)

    Article • Annual Research & Review in Biology, May 2021, Sciencedomain International

    Dr Armel Zacharie Ekoa Bessa

  49. Correction to: Mineralogy and geochemistry of the Ossa lake Complex sediments, Southern Cameroon: implications for paleoweathering and provenance

    Article • Arabian Journal of Geosciences, March 2021, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  50. Mineralogy and geochemistry of the Ngaoundaba Crater Lake sediments, northern Cameroon: implications for provenance and trace metals status

    Article • Acta Geochimica, March 2021, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  51. Mineralogy and geochemistry of the Ossa lake Complex sediments, Southern Cameroon: implications for paleoweathering and provenance

    Article • Arabian Journal of Geosciences, February 2021, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  52. Diagenetic and Geochemical Study of Sediments from the Cretaceous Basin of Babouri-Figuil (North-Cameroon)

    Article • International Journal of Geosciences, January 2021, Scientific Research Publishing, Inc,

    Dr Armel Zacharie Ekoa Bessa

  53. Palynology and palynofacies analyses in the Douala sub-basin: Implications on palaeoenvironment evolution of the Souellaba Formation/ west Cameroon.

    Article • Journal of African Earth Sciences, December 2020, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  54. Provenance and weathering conditions of the Moloundou swamp sediments, southeast Cameroon: Evidence from mineralogy and geochemistry

    Article • Solid Earth Sciences, September 2020, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  55. Heavy metal contamination and its ecological risks in the beach sediments along the Atlantic Ocean (Limbe coastal fringes, Cameroon)

    Article • Earth Systems and Environment, July 2020, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa

  56. Mine Waste and Heavy Metal Pollution in Betare-Oya Mining Area (Eastern Cameroon)

    Article • Environmental and Earth Sciences Research Journal, December 2019, International Information and Engineering Technology Association

    Dr Armel Zacharie Ekoa Bessa

  57. Mineralogical and geochemical characterization of the unconsolidated sands from the Mefou River terrace, Yaoundé area, Southern Cameroon

    Article • Journal of African Earth Sciences, November 2019, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  58. Contamination and risk assessment of heavy metals, and uranium of sediments in two watersheds in Abiete-Toko gold district, Southern Cameroon

    Article • Heliyon, October 2019, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  59. Provenance and depositional history of Mesozoic sediments from the Mamfe basin and Douala sub-basin (SW Cameroon) unraveled by geochemical analysis

    Article • Journal of African Earth Sciences, October 2019, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  60. Geochemistry of cretaceous fine-grained siliciclastic rocks from Upper Mundeck and Logbadjeck Formations, Douala sub-basin, SW Cameroon: Implications for weathering intensity, provenance, paleoclimate, redox condition, and tectonic setting

    Article • Journal of African Earth Sciences, April 2019, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  61. Geochemical characteristics of shales in the Mamfe Basin, South West Cameroon: Implication for depositional environments and oxidation conditions

    Article • Journal of African Earth Sciences, January 2019, Elsevier

    Dr Armel Zacharie Ekoa Bessa

  62. Assessment of Sediments Pollution by Trace Metals in the Moloundou Swamp, Southeast Cameroon

    Article • Annual Research & Review in Biology, December 2018, Sciencedomain International

    Dr Armel Zacharie Ekoa Bessa

  63. Mineralogy and geochemistry of sediments from Simbock Lake, Yaoundé area (southern Cameroon): provenance and environmental implications

    Article • Arabian Journal of Geosciences, November 2018, Springer Science + Business Media

    Dr Armel Zacharie Ekoa Bessa