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Azzahra, Naura Yanda
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Decision Sciences, Operations Research & Management Environmental Science

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Valuasi nilai ekonomi daerah aliran sungai (DAS) Ciliwung dengan contingent valuation method Benito, Obed Juan; Purbawati, Nanda Ayu; Azzahra, Naura Yanda; Syamsudin, Agita Verlyana; Pangestu, Raihan Bayu Aji; Shahniar, Surya Taufiq
Jurnal Pengelolaan Lingkungan Berkelanjutan (Journal of Environmental Sustainability Management) JPLB, Vol 7, No 1 (2023)
Publisher : Badan Kerjasama Pusat Studi Lingkungan (BKPSL) se-Indonesia bekerjasama dengan Pusat Penelitian Lingkungan Hidup IPB (PPLH-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36813/jplb.7.1.82-95

Abstract

The Ciliwung Watershed is one of the watersheds that flows through Jakarta. The Ciliwung River has social and economic functions for the lives of the people around it as well as ecosystems for various organisms. However, this function has been increasingly eroded due to very severe river pollution. This condition is exacerbated by the use of riverbanks for the construction of residences, offices and other commercial areas that contribute to the increase of pollutants. Good management of the Ciliwung watershed is one of the important efforts made to improve the city of Jakarta. This study aims to assess the economic aspects of the Ciliwung watershed to support efforts to restore and manage the Ciliwung River in a sustainable manner. The economic value of this watershed was calculated using a non-market based approach and the Contingent Valuation Method (CVM). Based on the valuation carried out, the estimated economic value of the Ciliwung watershed is IDR 991,000,000,000.
Nilai manfaat ekonomi daerah aliran Sungai Oyo Kabupaten Gunungkidul Benito, Obed Juan; Purwaningrat, Adib Wahyu; Azzahra, Naura Yanda; Shahniar, Surya Taufiq
Jurnal Pengelolaan Lingkungan Berkelanjutan (Journal of Environmental Sustainability Management) JPLB, Vol 7, No 1 (2023)
Publisher : Badan Kerjasama Pusat Studi Lingkungan (BKPSL) se-Indonesia bekerjasama dengan Pusat Penelitian Lingkungan Hidup IPB (PPLH-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36813/jplb.7.1.96-104

Abstract

The existence of the Oyo Watershed provides many benefits to the people of Yogyakarta. The direct benefit of the Oyo Watershed is to meet the community's clean water needs. This benefit is considered to have economic value so that it can be measured in units of currency and needs to be assessed. The assessment of the watershed aims to determine the economic value of the Oyo Watershed which flows in Gunungkidul Regency, Yogyakarta. The economic value is calculated using a market data-based approach and the replacement cost method. There are three alternatives used in the calculation, namely the cost of replacing the value of water in the form of water from PDAM production of IDR 177,896,643,185/year, the cost of clean water from tankers of IDR 2,928,668.050.000/year, and the cost of clean water from drilled wells of IDR 376,291,597,500/year. Of the three alternatives, the most cost-effective alternative is taken to replace the existence of the Oyo Watershed, resulting in an economic value of IDR 177,896,643,000/year (rounded up).
Co-Authors Benito, Obed Juan Pangestu, Raihan Bayu Aji Purbawati, Nanda Ayu Purwaningrat, Adib Wahyu Shahniar, Surya Taufiq Syamsudin, Agita Verlyana