Suchart NawagawongNukul SangpunMahidol University. Faculty of Environment and Natural Resource Studies2017-11-172017-11-172017-11-172011-12Environment and Natural Resources Journal. Vol.9, No.3 (2011), 41-52https://repository.li.mahidol.ac.th/handle/123456789/3177The area 4.6 km2 in the Pra Wiharn National Park is the area along the border line between Thailand and Cambodia. This area is still maintaining the problem in overlaps claming between this two countries. If the Pra Wiharn Temple, in which is locating in the area 4.6 km2, was nominated as the world heritage site then the area 4.6 km2 will be basically sensitively in the ecology system. The ecology system of Sra Trao pond ,in which only one water source above the Pa Mo I Daeng Cliff and the other running water sources, on the open area near the Temple, as the temporary pools should be studied and collected data for planning as the sustainable ecological area.engMahidol UniversityPra Wiharn TempleManagement ZoneAquatic Ecosystem/ Phyto PlanktonZoo PlanktonEnvironment and Natural Resources Journalวารสารสิ่งแวดล้อมและทรัพยากรธรรมชาติOpen Access articleResearch ArticleFaculty of Environment and Resource Studies. Mahidol University