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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management
Kunihiko Yoshino
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Agriculture, Biological Sciences & Forestry

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Economic Valuation for Cidanau Watershed Area, Indonesia Kunihiko Yoshino; Budi Indra Setiawan; Hideki Furuya
Jurnal Manajemen Hutan Tropika Vol. 16 No. 1 (2010)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The paper describes economic valuation for the Cidanau watershed area of West Java in Indonesia. In this area natural resources deterioration has occurred even faster after the Asian Financial Crisis. The deforestation area and pronounced soil erosion seems to go unhindered because of land use competition among the residents for agricultural space, housing, etc. In order to prevent the area from further degradation, the purpose of this paper is to carry out quantitative evaluation which also attempts to raise the environmental awareness of residents, as well as visitors to the area. Questionnaire surveys were conducted and analyzed according to the Contingent Valuation Method (CVM) and the Travel Cost Method (TCM). The results show all respondents held good attitudes towards the efforts of environmental conservation, but responded negatively if they had to contribute to the environmental service payment. Visitors to the Anyer Beach acted differently because most of them come from faraway locations and have little knowledge of the watershed. However, the Anyer Beach recorded an environmental valuation of about Rp840 billion, which is a potential source for the service payment of Cidanau watershed.
Deforestation and Agricultural Expansion Processes in Gunung Palung National Park, West Kalimantan, Indonesia Franky Zamzani; Nariaki Onda; Kunihiko Yoshino; Misa Masuda
Jurnal Manajemen Hutan Tropika Vol. 15 No. 1 (2009)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Gunung Palung National Park (GPNP) represents the biodiversity of tropical forests remain  in Kalimantan Island. However, the natural ecosystem has been threatened by human impact.  This study aimed (1) to identify the deforestation process inside the national park by imagery analysis of Landsat TM (1992), Landsat ETM+ (1999), and SPOT5 (2004), and (2) to find the driving forces behind agricultural expansions.  The results showed that forest cover of GPNP decreased by 18.7% (equal with 18,675) at an average rate of 1.6% per year from 1992 to 2004.  Land use changes by illegal logging were accelerated after decentralization (1,064 ha in 1992-1999 to 3,781 ha in 1999-2004).  In the other side, increase of mix garden/bush area inside GPNP was relatively constant (4,555 ha in 1992-1999 to 9,040 ha in 1999-2004).  Results also showed tendency on increasing areas for dry-rice cultivation and rubber plantation (averagely 2.0 ha per household).  The study also revealed that secondary forest has constantly decreased in GPNP annually.  Family size and income were considered as important factors that were driving forces of deforestation.  To this, zoning system of the national park by clear participatory demarcation and application of effective buffer-zone support programs were recommended.Keywords: deforestation, agricultural expansion, national park, imagery analysis, zoning system
Co-Authors Budi Indra Setiawan Franky Zamzani Hideki Furuya Misa Masuda Nariaki Onda