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Asia. Human Environmental Interaction. Agriculture. Many countries in Asia have land that is good for farming Tropical crops are grown in countries with tropical climate zones Rice Coffee Cocoa Sugar cane Rubber Rice is the most important food crop in the region.
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Asia Human Environmental Interaction
Agriculture • Many countries in Asia have land that is good for farming • Tropical crops are grown in countries with tropical climate zones • Rice • Coffee • Cocoa • Sugar cane • Rubber • Rice is the most important food crop in the region
Methods of farming • In mountainous areas of Asia people practice agricultural terracing • In areas with tropical forests people use slash and burn farming • Many tropical cash crops are grown on large plantations • In most areas people still practice subsistence farming
Wet Rice Agriculture • Japan, Indonesia, China, Vietnam • Rice is a staple food in most Asian countries • Altering of landscapes • Excessive extraction of raw materials • 2008 Rice Crisis • $300 to $1,200 per ton
Use of Pesticides • Pesticides and herbicides used more in industrialized countries such as Japan and China • Linked to cancer, birth defects • Breakdown slowly in the environment affecting animals
Yangtze River • 40% of China's total grain production, 70% of rice output, and more than 40% of the population are associated with the Yangtze River • Flows through many major cities and is 3519 miles long
Three Gorges Dam • Largest in the world • 610 feet high, 1.3 miles long • Proposed in 1919, completed 2012 • Goals: • Increase clean energy • Control floods • Stimulate economic development
Controversies with the Three Gorges Dam • 13 cities, 140 towns and over 1,300 villages were submerged by the Three Gorges Reservoir • 1.5 million people will have to abandon their homes. More than 160,000 citizens have already been relocated • 1,300 known archeological sites were lost forever under water • Over 265 billion gallons of raw sewage will back up in the reservoir • 1,600 factories and abandoned mines were submerged
Deforestation in Asia • Indonesia, Cambodia, North Korea and Papua New Guinea were rated as being at 'extreme risk’ • major causes of deforestation: • economic growth, poverty, corruption, and the rise of biofuels Under development for a palm oil plantation, Indonesia
Air Pollution 80% of Asia’s air pollution is because of fumes Minimal vehicle fitness testing Weak emission laws Open burning Beijing, China