Food supplies are also vulnerable to plant disease, pests, falling soil fertility, desertification, urbanisation, changing weather patterns, rising sea levels and rising levels of salination as soils are overirrigated. (populationmatters.org)
It contains field reporting on: climate - related problems and threats such as desertification in Nigeria, soil salination in Senegal, and the lack of technical support available to smallholder farmers in Zimbabwe; the range of responses and solutions adopted by farmers and governments; and how livestock - raising communities in the Kenyan county of Turkana are facing up to one of the worst droughts in living memory. (irinnews.org)
This process can cause sudden shifts in coastlines and hydration systems resulting in newly submerged lands, emerging lands, collapsed ice dams resulting in salination of lakes, new ice dams creating vast areas of freshwater, and a general alteration in regional weather patterns on a large but temporary scale. (newworldencyclopedia.org)