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200 years ago they planted thousands of trees to stop river erosion: today they realized they were wrong

The introduction of this tree to the western US to combat river erosion backfired, displacing native species and disrupting fragile ecosystems. When talking about ecological restoration, planting trees often seems like one of the most obvious solutions to recover a degraded landscape. However, in fragile ecosystems, an intervention intended to help can end up generating new problems if the relationships between species, water and soil are not taken into account.

Satellites reveal that only three forests remain intact on the Maule coast

Only three of the 22 native forest fragments studied on the coast of the Maule Region showed no signs of human intervention during the last four decades. The research, developed by specialists from the University of Chile and other institutions, combined field work with information from the Landsat satellite program and the GEDI sensor, two Earth observation tools developed with the participation of NASA, to reconstruct the history and structure of these ecosystems.