Глобальный журнал биологии, сельского хозяйства и медицинских наук

Абстрактный

COMPOSITION OF FOREST VEGETATION OF KORIA DISTRICT, CHHATTISGARH (INDIA)

Dr. Mantosh Kumar Sinha1 & Dr.Deepima Sinha2

The State of Chhattisgarh has about 44% of its geographical Area Covered with forests. Koria district in Chhattisgarh lies between 22058' and 23051' North Latitude and 81059' and 82045' East Longitude and has a forest area of 81.23%. Average rainfall is 121.36 cm. and annual mean temperature is 240c. The district has very rich plant diversity, including medicinal plants. The vegetation of the district has not been comprehensively description of the flora of the district is available. The district has a tribal population using enormous range of plants for their basic needs, sustenance and livelihood. Keeping these points in view the present investigation was planned to enumerate phytosociological behaviour of the vegetation of the district. Present paper deal with final abstraction of phytosociological behaviour in the form of their Importance Value Indices revealed that maximum IVI were exhibited by Woodfordia fruticosa (28.65), Shorea robusta (23.25), Dodonaea viscosa, Albizzia odoratissima and Lawsonia inermis ranked second in the range of 16.99 to 17.87 and Butea monosperma, Corchorus trilocularis, Vanda roxburghii and Cymbopogon martini were third ranking species, so far as the IVI is concerned Species showing very low IVI were Leea macrophylla (0.148), Lasiosiphon eriocephalus (0.641), Curculigo orchioides (0.1052), Embelia ribes (0.1131), Cordia macleodii (0.1586), Grewia tiliaefolia (0.2247), Rauwolfia serpentina (0.2365), Celastrus paniculata (0.2363), Manihot glaziovii (0.3499), Abelmoschus moschatus (0.3932) and Hedychium coronarium (0.4385), Grewia hirsuta (0.6044), Tecomella undulata (0.6695), Chlorophytum tuberosum (0.6992), Gymnema sylvestre (0.9452), Acacia concinna (0.9719) and Prosopis spicigera (0.9784).