Analisis Nilai Ekonomi Kawasan Cagar Alam Kebun Raya Purwodadi Pasuruan Menggunakan Sistem Informasi Geografis Berdasarkan Willingness To Pay

Indonesia as archipelago has high biodiversity, need preserved through the activities of conservation. In addition to keep conservation, the activity done to develop the potential and benefits of natural resources and environment. One of the conservation is national park and botanical garden, such as Purwodadi Botanical Garden (KRP).Purwodadi Botanical Garden as conservation area has potential as tourist. In the main road of Surabaya and Malang, the benefits of education owned, make Kebun Raya Purwodadi became one of tourist destinations. Accordingly, thenneeded the economic values map of the KRP region based on the Willingness To Pay (WTP)tourist and communities to obtain the financial benefit of the region.Methods were used in the drawing of a sample of writing the task are non probability sampling with insidental sampling technic,where respondent is anyone who's found fit as a source of the data. The processing data use analysis of double linear regression and WTP calculation by Maple 14 software. In this task, obtained result in the form of economic value zone map. Kebun Raya Purwodadi has consumer surplus Rp 1.312.505,- and WTP value Rp 46.180,-. So it acquired total economic value og Purwodadi Botanical Garden Rp 340.777.882.360,- (consumer surplus value per individu multiplied the number of visitors 2014)