RDF description of Mongsanpo Nature Observation Course 1.63 "해안사구, 곰솔림, 사구습지, 갯벌" 12 8 4 55.78 1.97 110105020010 1.07 0 Mongsanpo Nature Observation Course YES 몽산포자연관찰로 4 몽산포자연관찰로 Mongsanpo Nature Observation Course