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All Journal Geosfera: Jurnal Penelitian Geografi JURNAL SAINS GEOGRAFI
Hutami, Aisahrul
Unknown Affiliation
Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Social Sciences

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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
Pemetaan Daerah Rawan Erosi di Kecamatan Purwosari, Kabupaten Gunungkidul Berbasis Model USLE Sitaresmi, Deyan Arum; Shofiyani, Virsha; Hutami, Aisahrul; Zahra, Ashila Fitria; Rosadi, Muhamad Imron; Irvi Lestari, Gita Sukma; Januar, Wandi Tri
Geosfera: Jurnal Penelitian Geografi Vol 4, No 2 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i2.35368

Abstract

This study aims to map the erosion hazard levels in Purwosari District, Gunungkidul Regency, Special Region of Yogyakarta, by integrating the Universal Soil Loss Equation (USLE) model with Geographic Information Systems (GIS). The study is motivated by the geomorphological conditions of the karst area, which are inherently susceptible to erosion, coupled with predominant land use in the form of rainfed fields and paddies with minimal vegetation cover. The methodology employs a quantitative descriptive-analytical approach consisting of four main stages: land cover classification, calculation of USLE parameters (R, K, LS, C, and P), spatial overlay to generate the erosion hazard level map, and field validation through observations and interviews with local farmers. The results indicate that approximately 80% of Purwosari District falls within the very low to low erosion hazard categories, while 18.74% is classified as moderate, and the remaining, albeit very small portion, is categorized as high to very high, predominantly in areas with steep slopes and limited vegetation. These findings underscore the need for implementing soil conservation strategies tailored to local characteristics to mitigate the rate of erosion, particularly in highly vulnerable areas. This research is expected to serve as a reference for formulating sustainable land resource management policies in karst regions.
Co-Authors Fadhilah, Raihan Irvi Lestari, Gita Sukma Januar, Tri Wandi Kusumawati, Lia Muhammad Fauzi Rizkianto, Tito Sigit Rosadi, Muhamad Imron Shofiyani, Virsha Sitaresmi, Deyan Arum Sudirman Sudirman Zahra, Ashila Fitria