PPT-Desertification

Rachel Vincent Adam Ali Yuna Farah Ecosystems Ecology Spring 2014 What IS Desertification Conversion of productive arable areas to nonproductive Change in Soil Properties Vegetation. It threatens the livelihoods of some of the poorest and most vulnerable populations on the planet Desertification is largely caused by unsustainable use of scarce resources What options exist to avoid or reverse desertification and its negative impa Drosoulla Nikolaou. Topic 2 . The future. At the desert’s front end. Land Degradation and Desertification. Many years ago, in 2007, . predictions were made . about climate and weather changes in our home . . Corina E. . Tarnita. Desertification due to: overgrazing; climate change. Sudden switch to desert; hard to recover. Decreasing rainfall. Increasing rainfall. Rainfall. (mm day. -1. ). Vegetation biomass (g m. Every country in North Africa is affected in some capacity by the Sahara Desert. . Desertification – . Link. 6 min. Dust Bowl – . Link. 10 minutes. Desertification. Desertification. – is the change of fertile (good farm land) land that is too dry or damaged to support life.. 21:. DESERTS AND WIND. A desert is a . region that . receives less than 25 cm of precipitation per year.. What is the annual precipitation in your region?. Life Support. Vegetation is so sparse, and water so rare, that a desert is unable to support significant populations of animals.. 95 MOHAMEDKASSASCHAPTER 7 region: Nubia Sandstone aquifers prevail in north-east Africa (Egypt, Sudan, Libya and Chad), lime-Algeria and Tunisia. A diversity of aquifer forma-(potential evapotranspira By: . K. . Hartwig. Where it is located. Pictures. . Geography. The Gobi measures over 1,600 km . from . southwest to northeast and 800 km . from . north to south. .. A relatively large area on the east side of the Greater Khingan range, between the upper waters of the Songhua . Climate Change. Kelly Barnhart. Global Change Biology. February 16, 2016. Pictures from http://w3.marietta.edu/~. biol. /biomes/. desert.htm. Deserts. Environmental extremes. Arid and hot. Large daily temperature . Summary:. Corticeiras’ Amorim Group. Cork and Sustainability. Cork as absorbent. Amorim Environmental Systems. CorkSorb. range. Specifications. Comparising with other products. Raw-Material. The Company. The Problems. Africans face many different types of environmental issues. . Some of them are lack of water, poor soil quality, and expanding deserts.. Much of Africa has trouble having enough water for people to live. . Dragons Team Open House. Ms. . Gaudet. Ms. Singletary Ms. . Weadon. Mr. . Millhoff. How do I get to the team website?. . . Ms. Singletary. Language Arts. . Sommaire. . -Introduction. -Les causes. -Les enjeux . -Que faire?. -Quiz . . Introduction. . . En jaune : les déserts. En orangé : les zone. s menacées de désertification.. 1 Urban Theory Lab Professor Neil Brenner Is Beijing Gobi? The Gobi Desert As A Site of Extended Urbanization Introduction Within urban studies, the city is usually conceived of as a bounded, discrete Give 4 values of the tropical rainforest . Give 2 social impacts of climate change . What happens when tropical storms hit land and why?. Name our LIC case study of a tectonic hazard/ give 2 primary effects of the earthquake..