Page "Northeast India" Paragraph 13
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WWF has identified the entire Eastern Himalayas as a priority Global 200 Ecoregion while Conservation International has upscaled the Eastern Himalaya Hotspot which initially covered the states of Arunachal Pradesh, Sikkim, Darjeeling Hills, Bhutan, and Southern China to the Indo Burma Hotspot ( Myers 2000 ) which now includes all the eight states of North-East India, along with the neighbouring countries of Bhutan, southern China and Myanmar.
The richness of the region ’ s avifauna largely reflects the diversity of habitats associated with a wide altitudinal range.
North East India supports some of the highest bird diversities in the orient with about 850 bird species.
The Eastern Himalaya and the Assam plains have been identified as an Endemic Bird Area by the Royal Society for Protection of Birds, ( ICBP 1992 ).
The region ’ s lowland and montane moist to wet tropical evergreen forests are considered to be the northernmost limit of true tropical rainforests in the world ( Proctor et al.
The region has been identified by the Indian Council of Agricultural ResearchICAR ) as a centre of rice germplasm while the National Bureau of Plant Genetic Resources ( NBPGR ), India, has highlighted the region as being rich in wild relatives of crop plants.
Two primitive variety of maize, Sikkim Primitive 1 and 2 have also been reported from Sikkim ( Dhawan, 1964 ).
Although jhum cultivation, a traditional system of agriculture, is often cited as a reason for the loss of forest cover of the region this primary agricultural economic activity practiced by local tribes reflects the usage of 35 varieties of crops.
Its high endemism in both higher plants, vertebrates and avian diversity has qualified it to be a biodiversity ‘ hotspot ’ and this aspect has been elaborated in details in the subsequent sections.
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