impact of climate change in africa powerpoint.pptx

Climate change

1. Compiled by Chingoto,T . REG # B1441427 Discuss the Effects of Climate Change on Biodiversity in Africa

2. Geographical variability Lack of reliable records on climate. Population growth. Poverty. Dependence on rain-fed agriculture Little research on adaptive crops. Why is African Biodiversity Vulnerable?

3. El –Nino, ITCZ, West African Monsoon Long droughts in Southern Africa, Encroachment of desert in Sahel Melting of glacier on Mt Kenya,Killimanjaro Shifting of the rains, phenology affected. Desertification,rivers , wetlands drying up Migration, extinction,loss of genetic diversity (Serengeti) Effects of global warming.

4. Warming of lakes: Kariba Floods in Western and Eastern Africa Water and food security threatened Loss of Habitats and breeding grounds. Siltation of rivers and lakes Continued

5. Infectious Diseases.Malaria in Kenya Invasive organisms . Lantana camara Loss of cultural diversity Ethnic and political conflicts in Sudan Bleaching coral reefs. Loss on marine diversity in east Africa. Microorganisms vital for cycling nutrients affected. Chemical functions of water lost.

6. Antony, K.R.N., Kline, D.I ., Diaz- Pulido , G., Dove, S., and Hoegh-Guldberg, O. (2008).Ocean Acidification causes Bleaching and Productivity loss of Coral Reef Builders PNAS. Vol. 105 No.42 pp 17442-17446 Secretariat of the Convention of Biological Diversity (2009).Connecting Biodiversity and Climate Change: Mitigations and Adaptations. Report of the Second ad hoc Technical Expert Group on Biodiversity and Climate Change. Montreal Technical Series No. 41. References