In the state of Para, in the northeast of Brazil, the Tembé indigenous population has been waging a fight for years against the repeated assaults of illegal activities (but not only) against the Amazon rainforest in which they live.
In this battle, it has been supported since 2014 by Rainforest Connection, which has deployed a hearing monitoring system in the area.
For ten years, this NGO founded by engineers has been focusing on eco-acoustics, an emerging discipline which consists of studying the auditory traces of the environment - the biophony of animals, the geophony produced by natural elements and the anthropophony linked to human activity - in order to better understand and preserve ecosystems.
The beauty of acoustics, compared to other observation techniques, is that it can, with a very small, very non-intrusive device, record the entire environment at 360 degrees for weeks, over a very wide perimeter.
explains Bourhan Yassin, who…
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