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Floristic Analysis and Distribution of Rattan in Manipur as a Sustainable Bioresource


     

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Floristic analysis of Rattan species available in the 9 districts of Manipur State was conducted during the period from 2000 to 2005. During the survey, 14 species were collected, 6 species were found to be new records (Calamus erectus Roxb.; C. palustris Griff.; C. longisetus Griff.; C. viminalis Willd.; C. guruba (Becc.-Ham.) ex-Mart. and Daemonorops kurzianus Becc.). Maximum number of 5 species were collected from Tamenglong, Churachandpur and Imphal East District; 4 species were collected from Senapati, Chandel and Imphal West District; 3 species from Ukhrul District and 2 species from Thoubal and Bishnupur District respectively. Importance value index (IVI) of all the 14 Rattan species was calculated. The least IVI was recorded in Calamus erectus Roxb.(27.94) and its population type is accidental type, highest IVI was found in) Calamus pseudotenuis Becc. (237.44) and population is expanding type. Species distribution and floristic analysis were studied for the conservation steps of Rattans of Manipur.
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S. Padmabati Devi

P. K. Singh


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  • Floristic Analysis and Distribution of Rattan in Manipur as a Sustainable Bioresource

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Abstract


Floristic analysis of Rattan species available in the 9 districts of Manipur State was conducted during the period from 2000 to 2005. During the survey, 14 species were collected, 6 species were found to be new records (Calamus erectus Roxb.; C. palustris Griff.; C. longisetus Griff.; C. viminalis Willd.; C. guruba (Becc.-Ham.) ex-Mart. and Daemonorops kurzianus Becc.). Maximum number of 5 species were collected from Tamenglong, Churachandpur and Imphal East District; 4 species were collected from Senapati, Chandel and Imphal West District; 3 species from Ukhrul District and 2 species from Thoubal and Bishnupur District respectively. Importance value index (IVI) of all the 14 Rattan species was calculated. The least IVI was recorded in Calamus erectus Roxb.(27.94) and its population type is accidental type, highest IVI was found in) Calamus pseudotenuis Becc. (237.44) and population is expanding type. Species distribution and floristic analysis were studied for the conservation steps of Rattans of Manipur.