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All Journal jgeo JURNAL SAINS GEOGRAFI
Rizkianto, Tito Sigit
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Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Social Sciences

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IDENTIFIKASI TINGKAT KERENTANAN ANCAMAN BENCANA LETUSAN GUNUNG MERAPI DI KOTA YOGYAKARTA Sudirman, Sudirman Sudirman; Rizkianto, Tito Sigit; Rohmana, Rohmana; Muzani, Muzani
Jurnal Geografi Vol 21 No 1 (2025): JURNAL GEOGRAFI
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jgeo.v21i1.19964

Abstract

This study aims to identify the level of vulnerability of Yogyakarta City to the eruption of Mount Merapi by looking at four main factors: social, economic, physical, and environmental. The method used is secondary data analysis obtained from literature review and previous research, as well as the calculation of the vulnerability index based on BNPB Regulation No. 2 of 2012. The results of the study show that almost all sub-districts in Yogyakarta have high social vulnerability, influenced by low levels of education, limited access to information, and a high number of vulnerable groups such as children, the elderly, and low-income communities. Physical vulnerability is also quite high due to inadequate infrastructure and lack of evacuation routes. In terms of economy, most sub-districts show low to moderate vulnerability, although some areas are still dependent on certain sectors. Environmental aspects show low vulnerability, but long-term threats such as ecosystem damage due to volcanic ash still need to be considered. This study recommends mitigation measures in the form of strengthening social capacity, improving infrastructure, and diversifying the economy.
Penilaian Kondisi Kesehatan Terumbu Karang di Lokasi Wisata Bahari (Snorkeling) Pada Pulau Pari Bagian Selatan Shofiyani, Virsha; Hutami, Aisahrul; Rizkianto, Tito Sigit; Sudirman, Sudirman; Fadhilah, Raihan; Fauzi, Muhammad; Kusumawati, Lia
Jurnal Sains Geografi Vol 2 No 1 (2024): JURNAL SAINS GEOGRAFI
Publisher : Fakultas Ilmu Sosial dan Hukum, Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JSG.v2i1.03

Abstract

Pari Island, one of the islands in the Thousand Islands that has high marine tourism potential, one of which is snorkeling tourism. Pari Island is located in South Thousand Islands District, Thousand Islands Regency, DKI Jakarta Province. To maintain the sustainability of the coral reef ecosystem on this island, it is necessary to assess its health condition periodically. Coral reefs are important ecosystems that support biodiversity in the maritime environment. The condition of coral reefs on Pari Island is influenced by various factors, such as tourist activities, climate change, and pollution. This study aims to assess the health condition of coral reefs at marine tourism sites (snorkeling) on Pari Island. The study was conducted by field survey method at one observation point, located in the south of Pari Island with coordinates 5°52'11.3" S, 106°36'45.1" E using the Coral Health Chart method. About Coral Health Chart is a table that contains the hues of changing colors of coral reefs. This table can be used to monitor the health of coral reefs based on their color hue. The results showed that the condition of coral reefs on Pari Island in general was in sufficient to good condition. Keyword : Coral reefs, Pari Island, Snorkling, Health Condition
Co-Authors Fadhilah, Raihan Hutami, Aisahrul Kusumawati, Lia Muhammad Fauzi Muzani Jalaluddin Rohmana, Rohmana Shofiyani, Virsha Sudirman Sudirman Sudirman Sudirman Sudirman, Sudirman Sudirman