Economic Valuation of Mangrove Forest Ecosystem in Tatapaan, South Minahasa, Indonesia

Abstract

Mangroveforests in Tatapaan,South MinahasaRegencyis one of coastalresourceswith significant valuebecause it is included assupporting zoneforthe Bunaken National Park. There for thecoastal areabecome a very important partin thedevelopmentandconservationactivities. The research wasconductedinthe SondakenVillage,District of Tatapaan,SouthMinahasa Regencywhich aimed to (1) perform economic evaluation of mangrove resources, (2) analyze the potencies of mangroveecosystem,and(3) analyze mangrove contributionto the regional development.Mangrove forest ecosysteminthe Sondakenvillage apparentlyhas benefitsandfunctionsboth asan economicresourcesandecologicalresourcesfor human being incoastal areas ofTatapaan,as well as for conservation of the Bunaken NationalPark.Result of the study showed that Importance Value Indexvariableof mangroveforestsinthe SondakenVillage,District of Tatapaan isdominatedbyRhizophoraspeciesby71,433(27%);Avicenniaspeciesby57,556(22%); Sonneratiaspeciesby53,775(20%);Ceriopsamounts for35 777(13%); danBruguieraspeciesby25,995(10%).Based oneconomic valuation, the economicvalue ofmangroveforestsas adirect benefit (direct use value)is amounts forRp.29.615.030peryear, indirect benefits(indirect use value)byRp.297.916.110peryear,optionalbenefit (option value)byRp.27.362.863peryear and existence benefit (existence value) by Rp.82.088.589 per year. Thus thetotaleconomicbenefits (Total economic value, TEV)ofmangroveforestsisRp.436.088.589peryear