"Matsuura, S.,Wataru Kumagai,K. Nadaoka,A.C. Blanco,E. Tsukamoto","Social Structure Change Analysis in Yaeyama Islands based on Social Statistics and Interview Surveys for Evaluation of Anthropogenic Impact to Coral Reef Ecosystem",,"Abstracts, 21st Pacific Science Congress, Okinawa, Japan",,,,"p. 384",2007,June