Deforestation Along The Rio Xingu Shores, Brazil

Deforestation Along The Rio Xingu Shores, Brazil

brazil deforestation
Image source: ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Center. The image was taken by the Expedition 29 crew / NASA

By William L. Stefanov, Jacobs/ESCG at NASA-JSC / Earth Observatory

The rainforest of South America, also known as Amazonia, has been undergoing a continual and accelerated conversion process into farmlands (including pasture for livestock) since the early 1960s.

This process has typically been achieved by clearing the forest using fire—“slash and burn”—followed by planting of crops. The generally infertile soils of this rainforest—the largest such forest on Earth—make sustainable farming difficult. This drives people to convert more forest into farmland. The area of clearing can be considerable, and since the deforested regions are easily identifiable and measurable from space, the rate of deforestation is likewise easy to track.

This astronaut photograph illustrates slash-and-burn forest clearing along the Rio Xingu (Xingu River) in the state of Matto Grasso, Brazil. The photo was taken from the International Space Station, a platform from which astronauts can capture images of the Earth from a variety of viewing angles. The perspective above shows both the horizontal position and the extent of the fire lines next to the river, while also providing a sense of the vertical structure of the smoke plumes.

Light colored areas within the river channel are sand bars, which show that the river is in its annual low-flow/low-water stage. For a sense of scale, the river channel is approximately 63 kilometers (39 miles) long in this view. Rivers are the natural highways in Amazonia, which may explain why the burning is occurring right next to the Xingu River, one of Amazonia’s largest.

In recent years, forest preservation has gained traction in the region as a result of new valuation of the ecosystem services provided by the forest, concerns about the impact of the burning on global climate change, and greater sensitivity to the ethnic and biological heritage of Amazonia.

Original Article, NASA

Belo Monte Dam, Xingu River, Brazil
The £7bn Belo Monte dam on the Amazon’s Xingu river is scheduled to start producing energy on 31 December 2014 and would be the second largest of its kind in Brazil and reputedly the world’s third largest.

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