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EADN Nigeria Station: Monitoring Atmospheric Deposition for Sustainable Water Resources

Learn about the Equatorial African Deposition Network project in Nigeria, monitoring nutrient enrichment's impact on water resources and agriculture. Discover project locations, targets, challenges, and more. Stay informed on atmospheric sampler installations and policy optimization.

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EADN Nigeria Station: Monitoring Atmospheric Deposition for Sustainable Water Resources

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  1. THE EqUAtORIAL AFRICAN DEPOSITION NETWORK (eadn) NIGERIA STATION PROJECT UPDATE Prof. (Mrs) K. O. Olayinka (Project Coordinator) Department of Chemistry University of Lagos, Akoka, Lagos.

  2. EADN Background • The African Great Lakes and other surface water resources are gradually becoming nutrient enriched • These nutrients may be coming from agricultural land, either as direct runoff, or through the atmosphere following biomass burning and wind erosion of exposed soils. • Atmospheric deposition is a major component of the nutrient budgets into these waters. • Some of the direct effects of nutrient enrichment include eutrophication, hypoxia and fish kill.

  3. EADN Background Cont… • GEF International Waters Project on African Great Lakes – indentified the links between increasing eutrophication and atmospheric deposition of macronutrients. • The EADN is a monitoring program within the equatorial region of Africa with about 12 participating countries established • to assess the deposition of nutrients from the atmosphere • to determine its effects on surface water eutrophication and agriculture

  4. EADN Project Locations

  5. EADN Eutrophication

  6. EADN Fishkill

  7. EADN EADN Project Targets • What are the specific rates of atmospheric • deposition • How do they vary in space and time • What are the source areas and control processes • What is the likely impacts on aquatic ecosystems • and agriculture • What are the control measures and best • practices

  8. EADN Installed Atmospheric Sampler

  9. EADN Optimization of the Policy Impact of EADN • Sensitization of policy makers and the media • Raising awareness at state and national levels • meetings • media briefs • demonstration of the science in layman’s language • Identification of target group/beneficiaries (farmers, fishermen, rural and riverine inhabitants) • Translation of the results into economic gains/losses • Presenting information to politician

  10. EADN EADN Project Status in Nigeria • Collection monthly atmospheric deposition • samples since July, 2013. • Analysis of samples in France along with those of • other countries. • Only the atmospheric sampler still installed. • Steering Committee about to be inaugurated to • coordinate the EADN activities in Nigeria. • Members composed of representatives from the • FMENV, Ministries of Water Resources and • Agriculture as well as other stakeholders.

  11. EADN Challenges • Slow deployment of other equipment to the Ibadan Station • Funding for the activities of the Local Steering Committee

  12. EADN

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