Diversity, prevalence and benefits use of trees in the primary and high schools in Thong Song district, Nakhon Si Thammarat province, Thailand
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Abstract
Diversity, prevalence and benefits use of trees in the primary and high schools in Thong Song district, Nakhon Si Thammarat province were studued in Thailand. The field study of trees in each school was conducted from May, 2012 to October, 2012. The process of study were recorded as: taken a photograph of trees, recorded the scientific name, family name, the height of tree, diameter of canopy, recorded the benefit use of tree. The result showed that the diversity and prevalence of trees in 16 schools found 242 species, 45 genera and 22 families. The most abundance families are in LEGUMINOSAE, LYTHIRACEAE and BIGNOICEAE, respectively. The five most abundant are Cerbera odollam Gaertn. (5.34%); Lagerstroemia floribunda Jack (4.52%); Steblus asper Lour. (4.11%); Alstonia schoaris ( L.)R.Br. (3.70%); and Terminalia ivoensis A.Chev. (3.70%), respectively. Tree canopy diameter of total 243 trees was showed that the most trees (44 percent) are in medium size with the canopy diameter 3-4 m, the second number of canopy diameter in small size with the canopy diameter 2.9-1 m are 38 percent and the biggest size of canopy diameter with the canopy diameter 5-6 m are 18 percent.. Tree height of total 248 trees was showing the most highest tree 15 percent with the tree height 15-20 m, the medium tree height 19 percent with the tree height 14-10 m and the abundance of small tree height 32 percent with the tree height 1-9 m. the benefits use of tree in the school from the recorded of total 243 trees, the main benefit use of trees in all schools are propose of shading 78 percent, beneficial use of trees for landscaping and the aesthetics is 22 percent and a little bit about other beneficial use for example for symbol of the fence.
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