Environmental implications of tropical deforestation

摘要: SUMMARY Forests are fundamental and vital components of the world ecosystems. The essential links between forest man now receiving renewed urgent attention, there is increasing awareness that value forests to life on Earth beyond economic value, should be above political considerations. Tropical forests, generally marked out by richness in species, found more than 80 countries account for roughly one-third world's cover. They encompass a wide variety types under diverse environmental conditions — from lush, constantly wet rain arid thorn woodlands. These have been estimated cover about 1715 million hectares Africa alone. provided habitats wildlife wood, fibre, food many other products generations mankind invaluable genetic resources plants. Rapid population growth has, however, resulted pressure these with consequent decline their qualita...