PPT-Desertification

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. Overview Figure 1 Aridity Index and Classification of lands in Israel Source CLEMDES 2004 brPage 2br CSD1617 Desertification CSD1617 National Report Israel 210 2 Strategic Planning 21 Afforestation and Drylands Management brPage 3br CSD1617 Desertif Sec. 4-1. Objectives. E.4.1.1 Explain how people use land.. E.4.1.2 Describe the structure of fertile soil.. E.4.1.3 Identify problems that occur when soil is not properly managed.. What are some things land is used for?. . 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. 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.. 26 The impact of deserti cation is intensifying due to climate change, which is reducing the availability of freshwater, fertile soil, and forest and vegetation. As the degraded land loses value, 25 50 75 100 125 150 2000 2100 2200 2300 2400 2500 0 25 50 75 100 125 150 2000 2100 2200 2300 2400 2500 0 10 20 30 40 WETE Index of desertification P Goswami and K V Ramesh CSIR Centre for Mathematic SS7G2. The student will discuss environmental issues across the continent of Africa.. The Sahel. The Sahel is an area of Africa south of the Sahara Desert. . It is an example of how poor farming practices and the destruction of trees and shrubs can lead to an expanding desert.. Discussion Theme. Do you want to eat the . natto. ?. Do you agree or disagree …?. Q1 Reforestation. Q2 Giving funds to China. Present . contdition. 41% of the surface of the earth. . 　＝. dryness area. 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 . Africa contains dry and hot deserts, warm tropics, and permanently snow-capped mountains. Africa’s vegetation includes thick rain forests, tall grasslands, and desert areas. The Desert. Only 20% is sand; rest is mountains, rocks, gravelly plains. Forests. Wetlands. Drylands. Desertification. Oceans. Great Barrier Reef, our largest living structure. Version – V0_01 Date May, 2017. © Dream Foundation, Sydney, 2017. 1. Part 1 . –. Nurture, Don. By the end of this section you will be able..... To name and explain the causes of soil erosion.. Describe in detail how human activities can cause soil erosion.. Name and explain the primary methods of soil conservation.. Dragons Team Open House. Ms. . Gaudet. Ms. Singletary Ms. . Weadon. Mr. . Millhoff. How do I get to the team website?. . . Ms. Singletary. Language Arts. 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