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Shading Trees Resources growing in Mandalay University Estate
- The greening trees resources and its quantitative analysis were carried out in Mandalay University Estate, Mandalay Region. A total number of 489 tree individuals representing 57 species of 47 genera belonging to 21 families were recorded by establishing on 34 sample plots. The most dominant families were Fabaceae with 20 species in 236 individuals, Sapotaceae with 4 species in 33 individuals, and Combretaceae with 3 species in 32 individuals. The diversity index of greening trees was 4.8 and 0.94 by using the methods of Shannon-Wiener's index (H) and Simpson index (D). According to the Jackknife estimate for species richness, the species richness of trees in Mandalay University was 58.07. The importance value index (IVI) for tree species showed that Azadirachta indicaA. Juss., Samanea saman (Jacq.) Merr. Delonix regia (Bojer ex Hook.) Raf. and Acacia leucophloea (Roxb.) Willd. are important species for the University Estate. According to quantitative analysis, the majority of the high IVI value indicating its dominance due to environmental suitability and ability of the species. According to the results of higher distribution values were found in lower frequency class (Frequency classes A, B and C), the study area of Mandalay University Estate had a high degree of floristic heterogeneity. The distribution of the basal area across GBH interval classes revealed that the dominance of small stemmed individuals in the study area. Total picture of height class showed that, 55.2 % belong to 5-10 m, 16.4 % in 10-15 m, and 3.1% in 15-20 m. The density of trees is 359.56 stem ha-1 and basal area is 33.8 m2ha-1. Because of the study area is in dry zone, the overall population structure indicated that the study area represents mature stand.
May Phyoe Thynn
Soe Myint Aye
- Mandalay University Research Journal