But overgrazing was a primary cause of land degradation and desertification. Effects of precipitation changes on soil bacterial community composition and diversity in the Junggar desert of Xinjiang, China Ke Wu 1 , 2 , 3 , Wenxuan Xu 1 , 2 , Weikang Yang 1 , 2 1 CAS Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of … The author also presents an updated chapter in which the results of UNCED are analyzed. This book aims at an understanding of what is commonly called "desertification" - a term which is proposed to be replaced by "land degradation". And, eventually, leads to significant soil erosion and desertification. In Yanchi County, a series of projects were implemented to combat desertification after 2000. The conference explored the causes and contributing factors and also possible local and regional solutions to the phenomenon. Supported by the project, more than 21,333 hectares of desert has been placed under this network of straw checkerboards, and 3,333 hectares of grass and shrubs have been planted, creating a barrier for the city and key infrastructure including the railway and highways. desert areas of Northwest China (including the study area). '�������'�
��~�O��H�0�D8)n�Ȃ�����ᆆ0 ��D�!�A45���`G�J�MԸN���TG����HvJ��$��Y���jp2�8"�� Desertification has inflicted severe damage on the natural environment and social economy for decades, particularly in the arid and semi-arid regions of northern China. The Desertification of the Gobi Desert and Its Effect on Beijing I. 21. Introduction. Zhongwei’s sweet selenium-rich watermelon is a best seller across the country and a major source of income for local farmers. Ningxia Hui Autonomous Region in northwestern China is surrounded by three major deserts. The project has also helped create jobs and increase incomes for the local communities. Found inside'This is a useful book for those who are interested in institutional, economic and policy issues in China's ecosystem management, environmental protection and poverty alleviation. In India, some struggling with the impact of desertification are looking to the Thar Desert between India and Pakistan. China is the largest emitter of carbon dioxide, through an energy infrastructure heavily focused on fossil fuels and coal.Also, other industries, such as a burgeoning construction industry and industrial manufacturing contribute heavily to carbon emissions. Found insideIn the desert, wind is a major agent of erosion and transportation. As the results of recent space missions have indicated, this is also true in the case of the planet Mars. Based on the suggestions made by the speakers of Plenary Session IV “Ch- lenges to the management of water resources and to countering deserti cation in the Mediterranean region” during the 15th Economic and Environmental Forum, the ... by Laurie J. Schmidt. Its also causing food loss because the soil is not suited for growing food anymore which decreases amount of food. Continue reading. Desertification. At that time, rich and wealthy; now poor as a result of the desertification. Dust storms have increased heavily damaging agriculture. Zhongwei, a city bordering the Tengger Desert, has long been under the threat of desertification. Found inside – Page 47Jiang, Z.; Lian, Y.; Qin, X. Rocky desertification in Southwest China: Impacts, causes, and restoration. Earth Sci. Rev. 2014, 132, 1–12. [CrossRef] 3. We face big challenges to help the world’s poorest people and ensure that everyone sees benefits from economic growth. Try to eat less meat. For years, China’s deserts spread at an annual rate of more than 1,300 square miles. Desertification is the degradation process by which a fertile land changes itself into a desert by losing its flora and fauna, this can be caused by drought, deforestation, climate change, human activities or improper agriculture. Humans rely on fertile land to produce food for an ever growing population. 1 0 obj
Found insideThis second edition is updated with information about events during the past five years, covering China's tumultuous transformation of its economy and its landscape as it deals with the political implications of this behavior as viewed by ... dationprocess usually leadingto desertification oflands.Ingeneral, insalt affected soils the waterdefticits makethe survival ofnatural vegetationandcropsdifficult orimpossi- ... erosion, the social, economical and environmental effects areofthesamemagnitude,as aconsequenceofthe high valueandproductivity ofirrigated lands, andtheir coinciden- For countries with desert expanses, desert greening provides an opportunity to increase food yields and potentially cushion future food scarcity. It is expanding into China’s grassland. Furthermore, most desertification (174 million ha), three quarters of the cropland with a slope >25° (600 million ha), and 60% of the population under the poverty line are in western China (2, 31). (202) 332-0982 The Environmental Effects of Deforestation. Desert greening is the process of man-made reclamation of deserts for ecological reasons (biodiversity), farming and forestry, but also for reclamation of natural water systems and other ecological systems that support life.The term "desert greening" is intended to apply to both cold and hot arid and semi-arid deserts (see Köppen climate classification system). Selling six yuan per kilogram, I can make about 1,000 yuan (US$149) for every mu. Millions of people will likely lose their livelihood and will have to migrate to foreign countries in order to survive. Data and research help us understand these challenges and set priorities, share knowledge of what works, and measure progress. Retrieved from Wikipedia commons. In Gansu province, the Hongyashan reservoir – Asia’s … zhuya-juan8005@sohu.com The Gobi desert is expanding in a process known as desertification. 2015;17(1-6):529-37. doi: 10.1080/15226514.2014.922923. This 2nd edition reflects major advances in our understanding of desertification over the past few years and has been thoroughly revised and expanded to almost twice its original size. Found insideAt the intersection of environmental science and human biology, this book deals with dry ecosystems, the societies so affected, and the inventiveness of those living under such conditions. This book is about the ‘how’ of desertification control as opposed to an analysis of the ‘why’ and fills a gap in the desertification-related literature in that it shows what to do in situations ranging from fixing mobile sands to ... [Article in Chinese] Zhu YJ(1), Lu Q, Wu B, Li YH, Yao B, Zhang JX. As of 2010, 57% of its territory, or 2.97 million hectares, had been affected by desertification. The aim and purpose of our book, Community and Global Ecology of Deserts, is to give an overview and report from the frontiers of desert ecological research. At the same time, mass extinction of land based species is happening daily as deserts move Found insideThe question in the title of this book draws attention to the shortcomings of a concept that has become a political tool of global importance even as the scientific basis for its use grows weaker. After 10 years' efforts the sand has settled, greatly improving the local environment. Overall, 3 million residents are expected to receive direct environmental benefits in the project areas. However, thanks to decades-long efforts to combat desertification, China has achieved substantial progress in sand control and ecological protection. Effects of Desertification on C and N Contents and Storages in Horqin Sandy Grassland, Northern China Halin Zhao Chinese Academy of Sciences, China Yuqiang Li Chinese Academy of Sciences, China Ruilian Zhou Ludong University, China Follow this and additional works at: https://uknowledge.uky.edu/igc But this success comes at the cost of deterioration of the environment. Vast tracts of China have been impacted by desertification, affecting about 400 million people in recent decades. In this article, the causes, effects and solutions for desertification are examined. Uncertainties remain about the way various biological, physical, social, and economic factors interact, which limits our ability to assess the actual effect of policies on desertification. In response, the project helped farmers switch to wolfberry and “calcium fruit,” a cherry-like, calcium-rich fruit that grows in dry, sandy soil. Eat Less Meat. While fighting desertification, China shares its experience and good practices with other countries facing similar challenges. In China, nearly 20% of land area is desert. Part of China is circled in black on the map above. Soil organic carbon (SOC) mineralization is closely related to carbon source or sink of terrestrial ecosystem. Desertification in Africa-How does desertification affect people in Africa? India's Richest. It covers an area of 270,000 square kilometres. This is just what happened in the Great Plains region of the U.S. during the 1930s Dust Bowl years. The citizens realized this was happening to the Sahel region between 1968-1973 when a severe drought hit the area. However, the soil in the gravel-mulched watermelon field gets degraded after a few years of use. Indonesia's Richest. This accelerates the process of land degradation. This book will offer many pointers for maintaining and developing the UN as a vital instrument for humanity in the coming decades. Two of them, the Natural Forest Conservation Program (NFCP) and the Grain to Green Program (GTGP), are among the biggest programs in the world because of their ambitious goals, massive scales, huge payments, and … Each year, desertification and drought account for US$42 billion loss in food productivity worldwide. In China, nearly 20% of land area is desert. Most of the affected countries are located in Africa, particularly across the Sahel region, South Africa, and East Africa. A 70% survival rate of planted materials has been achieved, and vegetation cover has been restored to 40%. Farmers received subsidies for sheep sheds and benefitted from improved roads and other basic infrastructure. Desertification is another threat caused by the absence of rain, where desert-like conditions move into once-lush areas. It’s contributed to the collapse of many major civilizations and empires — from Carthage, to the Harappan Civilization, to Ancient Greece, to the Roman Empire, to Ancient China, etc. In 1994, China’s forestry administration started monitoring the status of desertification nationally. A combination of environmental and human factors are to blame, but climate change is making things worse. Since each hectare of the land is important, desertification may be a real issue and because of its high advancement speed, it is considered one of the main environmental problems in China. However, the effect of stones has not been evaluated under natural conditions in East Asia. In this paper, the summer climate of 1991 in North China is simulated by using the high-resolution regional climate model (RegCM2) and the effects of the grassland desertification on summer drought in the central and the northern parts of North China as well as Mongolia are studied. The “Great Green Wall” Didn’t Stop Desertification, but it Evolved Into Something That Might. About 35% of the world’s population live in drylands and encounter problems such as drought, food and water shortage, disease, and poverty. It has been fighting desertification for over six decades. First Published in 1983. Routledge is an imprint of Taylor & Francis, an informa company. As the effects of increasing desertification appear, farmers are forced to abandon their land, levels of rural poverty rise and the intensity of sandstorms, which batter northern and western China each year, … China's Richest. Found insideThe book introduces several innovative approaches for soil remediation and risk assessment, including advances in phytoremediation and implementation of metabolomics in soil sciences. Found inside – Page 1This is the first time that a global, baseline status report on land and water resources has been made. Loss of arable land and desertification If an area is used too extensively for farming or other purposes, it is likely to lose its fertility and thus this will lead to desertification . The growing negative impacts of air and water pollution, desertification, and overall ecological damage have turned Xinjiang into one of the unhealthiest regions in China. As one of the most important ecosystems of our planet, desert and desertified land have provided critical ecosystem services to support inhabitants of dry lands, and the desertification dynamics would have greatly impact on regional ... Caragana, a major sand-fixing shrub species that needs to be pruned regularly, is good fodder for sheep and goats. Desertification. “We have received good information that we can use in our own countries as we have the same climate as Ningxia,” he said. In China, the Kubuqi Desert is currently being greened. 6. 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