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Korean J. Pl. Taxon > Volume 42(3); 2012 > Article
Korean Journal of Plant Taxonomy 2012;42(3): 222-246.
doi: https://doi.org/10.11110/kjpt.2012.42.3.222
인도 북동부의 동히말라야 상부 Siang 지역의 식물다양성 및 식생 조사
이중구 , , ,
Floristic diversity assessment and vegetation analysis of Upper Siang district of eastern Himalaya in North East India
Ritesh Kumar Choudhary, Ramesh Chandra Srivastava, Arup Kumar Das, Joong Ku Lee
Abstract
Present paper is an outcome of a four-year floristic survey work carried out in Upper Siang district of eastern Himalayan region in India which is also recognized as one of the 39 known ``Biodiversity Hot-Spots`` of the world. We present here with a vegetation analysis of this area along with a checklist of 1,003 taxa belonging to 110 families, 529 genera, 994 species, 1 subspecies and 8 varieties of the angiosperms. Besides, one new species, 3 new records to India and 82 endemic species were also recorded. The diversity of herbs and shrubs were found higher than the tree species. Orchidaceae was found the most dominant family followed by Poaceae and Fabaceae. Many threatened plants have also been reported from the area. However, rapid urbanization and Jhum cultivation are imposing direct threat to the natural vegetation. We suggest some conservation measures that could help protecting this natural heritage.
KeyWords: Siang 지역 상부, eastern Himalaya, Upper Siang district, floristic diversity, vegetation analysis
주요어: 동히말라야, 식물다양성, 식생분석
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