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Monday, November 29, 2021

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    Discovery of a landscape disfigured by an indigenous people

    Following a new satellite study from the southwest coast of the island of Madagascar, archaeologists have discovered that in the distant past, small groups of men had lived in this region. According to these archaeologists, it was small communities who lived in particular by fishing and gathering. Despite their way of life, this indigenous people had still managed to cause significant changes within their environment.

    Cliffs characteristic of the southwest coast of Madagascar

    Even when people don’t farm, raise livestock, build permanent homes, or burn fossil fuels, they can still shaping the terrestrial landscape. This is the conclusion reached by the authors of the new satellite study of the southwest coast of the Big Island.

    Note that according to the archaeologists who conducted this study, on a surface of 700 km² of the area they studied, approximately 17% of landscapes had changed, most likely due to human activities.

    The impacts of non-agricultural activities have been underestimated

    Following a satellite study of the southwest coast of the island of Madagascar by researchers, including the archaeologist Kristina Douglass from Penn State University, have therefore been able to prove that communities of men had lived in this area. two millennia. According to these scientists, these men then did not appear to have cultivated the land or built houses. It seemed to them rather that they had settled down in caves and natural shelters, which they fished and gathered for food while moving with the seasons.

    Logic would therefore have wanted the environment in which these men lived to be only very little impact by their activities. However, to the great surprise of the archaeologists, they were still able to notice thatsignificant alterations to the terrestrial landscape had occurred in several places where these men had settled. Certainly, these alterations were much weaker than those caused by human activities in recent years. However, they were surprisingly widespread, especially given the size and mobility human communities that populated the region.

    Faced with this observation, Kristina Douglass explained that contrary to popular beliefs, non-agricultural activated could therefore indeed have impacts on the terrestrial landscape. According to the latter, although these impacts may be “subtle“, They can be clearly identified.

    “Looking at landscapes around the world, we find that people have changed more of the world than we previously thought.”

    Kristina Douglass

    Men were already polluting the planet long before today

    It should be noted that recently, scientists have also found traces of soot in Antarctic. And surprisingly, they discovered that these came from fires lit by the Maoris in New Zealand. At one time, this people lived on hunt and some picking. The researchers thus concluded that humans were already polluting the atmosphere, in a minor way, long before the industrial Revolution.

    In short, it would seem that since its existence, the human species has contributed to the change of the face of the Earth. In any case, today, if one thing is certain, it is that the activities of men do not cease to transform the land landscape like never before.



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