当前世界环境

Tropical forest are sensitive, adaptive and vital ecosystem. They cover approximately 7% dry land area on earth. The productive, protective and regulative functions of the forests are economically valuable enough to the tune of billion of US $ per year. The goods and services including timber, food, fodder, medicines, hydrological cycle, shelter, culture, aesthetic and recreation are provided by them. Growing development is causing threat to the existence of these useful and important ecosystem. Major threat to these forests are population explosion, growing urbanization, agriculture, industrialization, deforestation, overexploitation of resources, excessive mining, climate change, fragmentation and habitat destruction. These factors have been destroying the forests very rapidly putting a great number of plants and animals in danger of extinction. Therefore, it is necessary to formulate a correct conservation strategy and sound management plan for restoration of these critical ecosystem.