The Isolated Villages of the Amazon

image from wikipedia

The vast jungles of the Amazon rainforest harbor tribes mostly isolated from the outside world, whose way of life, largely unchanged for millennia, is now increasingly threatened by intrusions from modern civilization.  Now, scientists reveal they can monitor these “uncontacted tribes” using satellites, which would allow safe, inexpensive and noninvasive tracking of these tribes in order to protect them from outside threats.

The investigators focused on indigenous groups concentrated near the headwaters of the Envira River, located at the border of Brazil and Peru. These include the Mashco-Piro, nomadic hunter-gatherers who live in Peru’s densely forested Madre de Dios region, and a number of Pano-speaking farming societies.

The researchers combed through satellite images to look at five isolated villages previously identified via overflights by Brazilian officials. They confirmed these locations and measured the sizes of their villages, houses and gardens. The villages ranged from a small one of about 50 people to a large and growing village of about 300 people. “We can find isolated villages with remote sensing and study them over time,” Walker told Live Science. “We can ask: Are they growing? Do they move?”

Surprisingly, based on the sizes of the houses and villages, the scientists find the population densities of these isolated villages is about 10 times greater, on average, than other villages of indigenous Brazilian peoples….. The researchers now plan to focus on 29 more isolated villages….

Excepts, Charles Q. Choi ,Isolated Amazon Tribes Monitored with Space-Age Technology,LiveScience.com, Nov. 5, 2014

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