effects of desertification slideshare

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The Co-Publications below are summaries of scientific reports of EU scientific committees, produced under contract with the DG Health and Consumers of the European Commission. Trees purify our air, filter our water, prevent erosion, and act as a buffer against climate change. Desertification has many adverse effects, both economic and ecological. Drought is a drop in expected precipitation over a long period of time. Desertification affects global climate change through soil and vegetation losses. Economic effects. Millions of people may be forced to leave the land when it can no longer sustain them. It is estimated that each year 300 million tons of carbon are lost to the atmosphere from drylands as a result of desertification. Increased dust storms are causes as well as effects of desertification. The summaries are peer-reviewed and the publication process is overseen by the Commission. Across the world, desertification affects the livelihoods of millions of people who rely on the benefits that dryland ecosystems can provide. 1. Loss of crops and water supplies lead to hardship, famine, and disease, while habitat loss causes loss of biodiversity. They are all artistically enhanced with visually stunning color, shadow and lighting effects. This paper takes a fresh look at two of the major environmental hazards affecting the planet, namely deforestation and desertification, in terms of the nature and magnitude of the problem as faced by the developing world, and their causes and effects. Author Willem Van Cotthem Posted on May 9, 2012 Categories Desertification Post navigation Previous Previous post: Global agriculture produces more eroding soil than food (Google / … Deforestation, the permanent destruction of forests in order to make the land available for other uses, is considered to be a contributing factor to global climate change. From wildlife conservation to the renewable energy sector, COVID-19's effects can't be ignored. Desertification. 2.1.4. The effects of drought are widespread and have devastating effects on the environment and the society as a whole. Assessments of health impacts by IPCC region 51 Africa 51 Asia 52 Australia and New Zealand 52 Europe 53 Latin America 54 With increasing drylands, there has been 25% increase in annual dust emissions over the past century. Introduction The global community has long… production leads to soil salinity and desertification [15]. Let’s look into some of the factors that contribute to desertification, as well as effects … Biodiversity simply refers to the total number species as well as ecosystems in the earth’s surface or of a given place. More so, drought and desertification lead to the migration of people to urban or other areas to engage in economic activities such as farming, grazing and fishing. They offer a home to plant and animal species while also providing natural resources such as medicine, food, timber, and fuel. Brazil once had the highest deforestation rate in the world and in 2005 still had the largest area of forest removed annually. Effects of drought stress on maize from germination to physiological maturity are extensively elaborated in this chapter. Scientists have been concerned about desertification – causes, effects, and solutions – for quite some time now. Similarly, in 1982–1986 the combined effects of severe drought and civil war killed more than 1 million Ethiopians. Desertification, the persistent degradation of drylands, threatens many livelihoods. Forests are vital to our Earth. is the process by which land becomes desert; 2 Case study the Sahel. R. K. Pachauri and Rajashree S. Kanetkar. While landslides are considered naturally occurring disasters, human-induced changes in the environment have recently caused their upsurge. Soil tillage These high-profile events received much attention from the world media and served to cement the association of desertification with Africa. The frequency and severity of hydrological drought is often defined on a … Desertification is the persistent degradation of dryland ecosystems by variations in climate and human activities. Causes of Landslides. On this basis, extended deficiency of water can affect the society in various ways both directly and indirectly. Indeed, dryland soils contain a lot of carbon which could be released into the atmosphere as a result of desertification, with significant consequences for the global climate system. Climate change makes it worse. There are numerous reasons and causes of land pollution, but the following 5 pose the most adverse effects to various life forms on earth.. 1. Increased deserts have allowed for a greater amount of loose sand to be available. Apart from the environmental effects which are bad enough, a loss in biodiversity also causes adverse economic effects. Harappan Civilization. The United Nations Convention to Combat Desertification: A Case Study of its application in Namibia Justine Braby 1. Home to a third of the human population in 2000, drylands occupy nearly half of Earth’s land area. We use examples of the effects of droughts and desertification on people and the environment. And they’re ready for you to … It can be said, as agricultural policies affect land use, they have effects on the amount of soil erosion in agricultural regions through changes of the economic conditions of agricultural production [16]. Desertification around the world media and served to cement the association of desertification and the role of humans occupy. Livelihoods of millions of people who rely on the environment carbon are lost to the total number species well. 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