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30 de mar. de 2007 · Tropical forests of all varieties are disappearing rapidly as humans clear the natural landscape to make room for farms and pastures, to harvest timber for construction and fuel, and to build roads and urban areas. Although deforestation meets some human needs, it also has profound, sometimes devastating, consequences, including social conflict ...
21 de jun. de 2018 · Définition de la déforestation. La déforestation est le phénomène de réduction des surfaces de forêt. On parle de déforestation lorsque des surfaces de forêt sont définitivement perdues (ou au moins perdues sur le long terme) au profit d’autres usages comme l’agriculture, l’urbanisation ou les activités minières.
28 de abr. de 2023 · Human communities that depend on forests also suffer the consequences of widespread deforestation. In countries like Uganda, people rely on trees for firewood, timber and charcoal.
12 de ago. de 2018 · The uptick in mosquito-borne diseases, for example, or the rapid spread of roya, an insidious plant disease that threatens our supply of coffee are all indirect consequences of deforestation and global warming. There’s no doubt about it: the best thing we can do to fight climate change is keep forests standing.
Bad air has serious consequences. According to the World Health Organization, around 4.2 million people die every year as a result of outdoor air pollution. Those who don’t die are at risk for a score of lung and heart diseases. #3. Deforestation increases the risk for more pandemics.
Soil Erosion and Flooding. Further effects of deforestation include soil erosion and coastal flooding. Trees help the land to retain water and topsoil, which provides the rich nutrients to sustain additional forest life. Without forests, the soil erodes and washes away, causing farmers to move on and perpetuate the cycle.
But about 17% of it has been deforested. Logging for timber and the clearing of tropical and subtropical forests to make way for agriculture and grazing are the two main causes of destruction to forest habitats. Fire is also a major threat to forests. In rainforests such as the Amazon, fire is usually used to clear land for farming.
