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Population Distribution - Brazil is the largest country in South America and has a population of 160 million (in 1997).

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Introduction

Population Distribution Brazil is the largest country in South America and has a population of 160 million (in 1997). Despite this vast population, the distribution of the population in Brazil is very uneven. This uneven distribution can be explained by a number of factors, which are explained below. They are not in any order. The first factor is climate. There are four main types of climate in Brazil and these affect where people live. In the west, there is a tropical rainforest climate, so very few people live there, as it is too humid. The east has monsoon weather with very high rainfall throughout the year. The south has a very dry climate, which causes a winter drought. A drought also occurs in the eastern highlands. The mean monthly temperature for Brazil is well over 28� and Brazil receives over 2000 mm of rain per year. This causes floods, landslides and leaches nutrients from the soil. The floods and heavy rain are more common in the west and there is many rainforests in that area. The second factor is vegetation. ...read more.

Middle

There is so much disease in the shantytowns as there is no drainage and people are using the same water to drink, to cook, to wash in as contains excrement. The next factor is the soils. This is important as Brazil is well known for its coffee and so people tend to live where the good soils are so they can make a good living. The best soils for growing coffee are the Terra Rossa soils and these are found in the southeastern highlands. The Amazon has very poor soils due to leaching from the amount of rain it receives daily. The next factor is water. Water affect where people live, as they need water to survive. This table shows the amount of rainfall per year of various areas/cities of Brazil. Place Rainfall per year Sao Paulo 1,425 mm Brasilia 1,560 mm Rio de Janeiro 1,082 mm Amazon Basin 2,000 mm The table shows that different areas of Brazil receive different amounts of rainfall per year. If a place receives, too little people cannot live there. Likewise, if a place receives too much rainfall, flood, mudslides and soils become leached of nutrients. The next factor is communications. ...read more.

Conclusion

In addition, an extreme example of political intervention in the distribution of the population is Transmigration. This is where the government deliberately move groups of people from one place to another. This happened in Brazil by people being sold cheap train tickets and being told that if they moved to the Amazon Basin the would have a successful farm where as the soil in the Amazon is very poor. Due to this, some of the countries poorest people are stuck in the Amazon trying to save up enough again to get the train home. Climate Vegetation Relief Disease and Pests Soils Water Communications Resources Economics Political The population of Brazil is very uneven because of several main factors, which have been highlighted in this essay. Theses were: Most people in Brazil live near the coast or river, in areas of not very dense vegetation, places that have good links with trade and transport, that have good resources, that is not too humid and that is between 400 and 1000 metres above sea level. In the future maybe the government may try to even it out again but the people of Brazil have picked good areas to settle in and to thrive in. Rachael Hay ...read more.

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