RDF description of Mongsanpo Nature Observation Course 0 12 "해안사구, 곰솔림, 사구습지, 갯벌" Mongsanpo Nature Observation Course 12 1.07 12 1.97 110105020001 1.63 Mongsanpo Nature Observation Course 197.51 YES 몽산포자연관찰로 8 몽산포자연관찰로