PDF-DESERTIFICATION

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. coastal and arid environments. KGA171 The Global Geography of Change. Presented by Associate Professor Elaine Stratford. Semester 1. Vulnerability. L . vulnerare. – to wound; capable of being wounded; open to attack or damage; assailable. 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?. Rachel Vincent, Adam Ali, Yuna Farah. Ecosystems Ecology. Spring 2014. What IS Desertification?. “Conversion of productive, arable areas to non-productive”. Change in…. Soil Properties. Vegetation. 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.. 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 . Summary:. Corticeiras’ Amorim Group. Cork and Sustainability. Cork as absorbent. Amorim Environmental Systems. CorkSorb. range. Specifications. Comparising with other products. Raw-Material. The Company. A Long History of Land Use and Abuse. Some Early Civilizations and Their Environmental Problems. Some issues from last week;. Were Neolithic societies matriarchal?. Domestication of bees?. Matriarchal societies in prehistory;. 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. DESERTS. RECEIVE LITTLE RAIN – 10-25 cm per year. SOIL IS RICH IN MINERALS – but poor in organic material (nutrients) because there is NO LEACHING – rain that carries minerals deeper into the soil. 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.. . 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..