1. Status of Dam on Mathare River Report to stakeholders presented on 21 st October 2015 in the Principal’s Boardroom, CAVS Prof. David N. Mungai Wangari Maathai Institute for Peace and Environmental Studies University of Nairobi ISO 9001:2008 1 Certified http://www.uonbi.ac.ke

2. Our Vision University of Nairobi ISO 9001:2008 2 Certified http://www.uonbi.ac.ke To be a universal centre of excellence in training, research, outreach and consultancy services in agriculture, veterinary, biomedical, environmental and natural resource sciences in order to realize sustainable and secure livelihoods

3.  Supplies water to the College for:  Crop and livestock production  Experiments, field trials and seed multiplication for National & International Research Institutes – KARLO, ILRI, CIP, ICRAF  Fish farming  Biogas project Importance of the Dam University of Nairobi ISO 9001:2008 3 Certified http://www.uonbi.ac.ke

4.  Water pump breakdown in April 2013 due to river obstruction. Effects  Financial loses of about KES 10 million / yr  ICRISAT has lost 3 tons of seed due to lack of irrigation water  CIP could not conduct experiments  No research by staff & students  No field trials First signs of effects of development University of Nairobi ISO 9001:2008 4 Certified http://www.uonbi.ac.ke

5.  Fish ponds are dry – no teaching and no fish production  The biogas plant is not operating optimally due to inadequate water for mixing First signs of effects of development University of Nairobi ISO 9001:2008 5 Certified http://www.uonbi.ac.ke

6. If we are not careful? From this……. To this……. University of Nairobi ISO 9001:2008 6 Certified http://www.uonbi.ac.ke

7. Weir and gate across Mathare River University of Nairobi ISO 9001:2008 7 Certified http://www.uonbi.ac.ke

8. Effects of flooding on water pump Damaged water pumpNew pump house University of Nairobi ISO 9001:2008 8 Certified http://www.uonbi.ac.ke

9. Construction on steep, unstable valley sides – detached gabions and falling trees University of Nairobi ISO 9001:2008 9 Certified http://www.uonbi.ac.ke

10. Fallen tree after heavy rains in May 2015 University of Nairobi ISO 9001:2008 10 Certified http://www.uonbi.ac.ke

11. The two sides compared….. College side – conserved valley side and riparian zone Neighbors side – riparian vegetation destroyed, siltation of dam University of Nairobi ISO 9001:2008 11 Certified http://www.uonbi.ac.ke

12. The two sides compared….. College side – indigenous spp. conservation Neighbors side – soil creep into the dam University of Nairobi ISO 9001:2008 12 Certified http://www.uonbi.ac.ke

13. Fish ponds without water and fish University of Nairobi ISO 9001:2008 13 Certified http://www.uonbi.ac.ke

14. Biogas project affected due to inadequate water University of Nairobi ISO 9001:2008 14 Certified http://www.uonbi.ac.ke

15.  NEMA, WARMA and Ministry of Environment (Urban Rivers Restoration Department) have visited the site Steps taken University of Nairobi ISO 9001:2008 15 Certified http://www.uonbi.ac.ke

16. Our vision of a well protected and conserved wetland Note cover and distance from water line Note macorphytes on water line, infiltration trenches to capture runoff, and staff gauge to measure water levels University of Nairobi ISO 9001:2008 16 Certified http://www.uonbi.ac.ke

17.  Vision: A world-class university committed to scholarly excellence The University of Nairobi University of Nairobi ISO 9001:2008 17 Certified http://www.uonbi.ac.ke