Phytosociological Studies of the Flora of Dhanamanjuri University Campus in Imphal West District (Manipur), India
Depiya Thoudam, N. Rikesh, A. Radhapyari Devi, H. Manoranjan Sharma
International Journal of Plant & Soil Science · pp. 520–532 · Published 13 May 2024
10.9734/ijpss/2024/v36i64654Abstract
Aims: To study the life forms and biological spectrum of the vegetation of Dhanamanjuri University Campus, Manipur to determine its phytoclimate and species diversity. Study Design: The vegetation of the whole university campus was studied and the site selection was made randomly. Place and Duration of Study: Dhanamanjuri University Campus is located at the intersection of 24.82ºN Latitude and 93.94ºE Longitude. The study was carried out from March to September, 2023. Methodology: Life forms were determined in the study area after detailed floristic studies. Vegetation classification on a physiognomic basis as per Raunkiaer’s system as modified by Ellenberg and Mueller-Dombois. Frequency, density, abundance and basal area were calculated for quantitative analysis. Both Shannon- Weiner Index and Simpson index were calculated for diversity studies. The degree of association between two randomly selected species was studied with a simple index of association IASM. Results: The biological spectrum of Dhanamanjuri University Campus consists of 183 plant species belonging to 163 genera distributed over 74 families. Due to predominance of Phanerophytes (54.1%) and Therophytes (22.4 %) over the other life-forms, the study site was assigned to the “Phanero-Therophytic” Phytoclimate. The values of the Shannon- Weiner Index and Simpson Index were found to be 1.5202 and 3.101 respectively. For the degree of association between two randomly selected species χ2 value was calculated to be 0.101 inferring that the two species are not associated with each other, rather they are independently distributed in the site. Conclusion: The current study has described the vegetation of the Dhanamanjuri University Campus, as per Raunkiaer’s terminology as “Phanero-Therophytic” phytoclimate. The study also shed light on various phytosociological attributes of plants growing on the campus, thus shedding more light on the diversity and distribution patterns of the plants growing there.
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