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Biodiversity Hotspot of Bhutan and its Sustainability
Biodiversity is measured at different levels of biological set up together with genes, species and ecosystems along with their interactions. There are a total of 34 biodiversity hotspots in the world, among which the Eastern Himalayan (EH) range is one of the richest with nearly 750,000 sq. km area covering Nepal, Bhutan, and the Indian states of West Bengal, Sikkim, Assam and Arunachal Pradesh, southeast Tibet (China) and northern Myanmar. Among these countries the Bhutan is the only one sharing all its land area as the EH region occupying a major share of 7.60% of the total EH area. Bhutan is part of 23 important bird areas, 8 ecoregions, important plant areas and wetlands with 2 Ramsar areas - Tashiyangtse and Wangdue. It is also among the exclusive biodiversity hotspots in the world where forest coverage has increased above 72% of the country's total area. The country is gifted with enormous forest cover of 70.46% of the total land part. It also has 10 protected areas (PAs) with biological corridors that are home to mass populations of vulnerable Takin, endangered one-horn rhino, pigmy hog, leopard, red panda, etc. and also varying bird species. Bhutan also has many hot-water springs which are believed to have medicinal properties to cure diseases. The EH is now experiencing widespread warming higher than 0.01°C per year. Due to global warming, slow melting of the EH glaciers may cause huge floods in Bhutan in future resulting into loss of keystone species. India may also be affected by these future floods. In order to achieve sustainable development using this unique biodiversity hotspot, management of PAs, use of non-timber products and less urbanization are required.
Keywords
Biodiversity, Ecoregions, Glaciers, Sustainability.
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