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Causes and consequences of deforestation of the Amazon Rainforest.

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Introduction

GCSE Geography Coursework Causes and consequences of deforestation of the Amazon Rainforest. Amazon The Amazonian rainforest is the largest rainforest in our planet, covering most of the Brazils area and extending out to neighbouring countries. The total area of the Amazonian rainforest is approximately 4 million km2, however about 14% of the rainforest has already been destroyed and this process continues at a rate of 20,000km2 a year. The Amazon rainforest in South America covers a huge area and there are tribes of people living there who are living a way of life that hasn't really changed for hundreds of years. There are indigenous tribes in rainforests all over the globe but the Kayapo Indians are probably the ones we know most about. Traditionally the Kayapo have used the rainforest for all their needs. They are hunter-gatherers and subsistence farmers. They survive by hunting, fishing and collecting food from the forest. The rainforest can provide them with over 200 different types of fruits as well as nuts and leaves. They supplement this diet by growing sweet potatoes, maize and manioc in small clearings near their villages. As well as food, the Kayapo use the forest to provide them with all their building materials as well as face paints, body ornaments, musical instruments and medicines. The rainforest climate is very hot, wet and sticky very humid. ...read more.

Middle

As you can see the graph goes like a mountain it keeps goes up and down we can see at the beginning it started decreasing for a few years but then it started to go up and down and then it went up really high in 1996 to 1998. This what the Amazon rainforest like in most of the areas. Although all consequences of deforestation are potentially serious, perhaps the most serious consequence is that of climate change due to the loss of trees. Earth has an atmosphere which contains a variety of gases, all in a delicate balance, to ensure life on Earth. One of these gases in Earth's atmosphere is carbon dioxide; a gas which helps moderate heat loss to outer space. Insulating gases such as carbon dioxide are called "greenhouse gasses because their function is much like that of the glass in a greenhouse Does deforestation affects the people. There are local and global effects of deforestation in the Amazon. On a local scale, the indigenous tribes that have lived in the rainforest for many years are seeing their traditional way of life and their environment destroyed. Rivers have been polluted due to the mining in the area and soil erosion is a serious problem as the protective canopy of trees is removed. This then means the land cannot be used for growing anything else. ...read more.

Conclusion

Rang Babataher 145 Bushey Road Sutton SM1 1RG Tel-020 86412819 Fax-020 6412829 Letter to Forestry Department: Brazil Ecosystem service Ecosystem functions Examples Gas regulation Regulation of atmospheric chemical composition CO2/O2 balance, O3 for UV protection Climate regulation Regulation of global temperature, precipitation Greenhouse gas regulation Disturbance regulation Damping of ecosystem response to environmental fluctuation Storm protection, flood control, drought recovery Water regulation Regulation of hydrological flows Providing water for agricultural industrial, and human uses Water supply Storage and retention of water Provisioning of water by watersheds and aquifers Erosion control & sediment retention Retention of soil within an ecosystem Prevention of soil loss from wind and runoff Soil formation Soil formation processes Weathering of rock and the accumulation of organic matter Nutrient cycling Storage, internal cycling, processing of nutrients Nitrogen fixation, N, P and other nutrient cycles Waste treatment Recovery of mobile nutrients and breakdown of excess nutrients Waste treatment, pollution control, detoxification Pollination Movement of pollen Insects and birds that pollinate crops Biological control Trophic-dynamic regulations of populations Keystone predators, reduction of herbivory by top predators Refugia Habitat for resident and transient populations Overwintering grounds for waterfowl Food production Portion of NPP extractable for food Production of fish, game, crops, nuts, fruits Raw materials Portion of NPP used for raw materials Production of lumber and fuel Genetic resources Sources of unique biological materials Medicines, genes for the resistance of pathogens Recreation Providing opportunities for recreation Ecotourism, sport fishing, other outdoor activities Cultural Providing opportunities for non-commercial uses Aesthetic, artistic, educational, spiritual, and scientific value 1 Rang Babataher Amazon ...read more.

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