IMPROVING THE BENEFITS OF KARAMBA INTO TOURISM ACTIVITIES: AN EFFORT TO REDUCE THE ECOLOGICAL IMPACT OF AQUACULTURE IN MANINJAU LAKE, INDONESIA Journal title: GeoJournal of Tourism and Geosites Authors: Firdaus FIRDAUS, Nurus SHALIHIN, Dian Kurnia ANGGRETA, Faishal YASIN, Rio TUTRI Subject(s):