Question

The tropical forests of the Amazon Basin face the threat of deforestation. Which of the following statements is not true in this context? Tropical cyclones are a regular feature of this region. Large areas are cleared for pastoral farming. Construction of roads for miners and loggers result in large scale destruction. Forests are cleared to utilise the mahogany trees for timber to make furniture​

Answer 1

Threats to the tropical rainforest - deforestation

The tropical rainforests of the Amazon Basin face the threat of deforestation. Deforestation is happening due to the following reasons:

Farming - large areas are cleared for pastoral farming. As the global demand for meat has increased many cattle farms have opened in the Amazon Basin for beef farming. Arable farming is also responsible for the loss of tropical rainforest as many farmers are clearing land to grow cash crops, such as soya beans.

Logging - tropical rainforests are cut down so that valuable trees like mahogany can be accessed and sold for timber to make furniture. Other trees are cut down for making paper products.

Mining - the Amazon Basin is rich in natural resources such as iron ore, copper, tin, aluminium, manganese and gold. This has led to the development of mines which results in the clearance of tropical rainforest. The Carajas mine in Brazil is the world's largest iron ore mine.

Roads - the construction of access roads for farmers, loggers and miners results in large parts of the tropical rainforest being destroyed.

Hydroelectric power (HEP) - The creation of HEP stations in the Amazon Basin has resulted in large areas of forest being flooded to create the reservoirs and dams. The flooding of the Balbina dam in Brazil resulted in the loss of 920 square miles of tropical rainforest.

Population - population growth has resulted in the loss of tropical rainforest as land is cleared to build houses and infrastructure

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