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Journal : Journal La Lifesci

Spatial Analysis of Flood Vulnerability and Retention Ponds Saputra, Erlianto Hona; Damiri, Nurhayati; Imanudin, Momon Sodik; Ngudiantoro, Ngudiantoro
Journal La Lifesci Vol. 6 No. 1 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i1.2022

Abstract

Flooding is one of the causes of environmental damage worldwide. Several things that can affect flooding in urban areas, Palembang experiences periodic flooding problems, especially every rainy season. The data in this article consists of primary data obtained from location surveys in retention ponds, including: documentation, topography, depth of retention ponds and secondary data from related agencies, including: location maps, climatology, regional topography. Palembang City has varying levels of flood vulnerability: high (Jakabaring, Kertapati, Plaju, and Seberang Ulu), medium (Ilir Barat and Sukarame), and low (Alang-Alang Lebar). Lowland areas with poor drainage systems require more attention. Retention ponds play an important role in managing rainwater runoff, such as the Jakabaring Sports Hall (200,000 m²), Ogan Permai Indah (22,217 m²), and Brimob Demang Lebar Daun (30,000 m²). The city's topography, which is mostly flat and low, especially around the Musi River, further increases the risk of flooding.
Spatial Conditions of Water Regulating Environmental Services Triana, Neni; Ngudiantoro, Ngudiantoro; Priatna, Satria Jaya
Journal La Lifesci Vol. 6 No. 3 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i3.2396

Abstract

South Sumatra Province has abundant natural resources that support the economy, but uncontrolled development triggers environmental degradation and disaster risks. Sustainable management is needed in accordance with Law No. 32/2009 and PP No. 22/2021. Water regulation environmental services play an important role in maintaining hydrological and ecosystem balance. GIS-based spatial mapping of landscapes, natural vegetation, and land cover is important as a basis for sustainable environmental policies. The research was conducted in South Sumatra Province using secondary data from the Ministry of Environment and Forestry and related agencies. Spatial analysis was carried out based on GIS with an overlay approach to three parameters: land cover (weight 60%), landscape (28%), and natural vegetation (12%). The assessment used the Simple Additive Weighting (SAW) method and produced the Environmental Services Performance Index (IKJLH), which was classified into five categories: very low to very high. The results are visualized in a colored thematic map to show the differences in water regulation performance in each region. The results of the 2023 spatial analysis show that most areas in South Sumatra Province have good water regulation environmental services performance, with a dominance of medium (55%) and high (33%) categories. Ogan Komering Ilir (60.93%), Banyuasin (53.24%), and North Musi Rawas (26.19% very high) are among the best performing areas. In contrast, Palembang City (52.05% low), Empat Lawang, Lahat, and Lubuk Linggau show ecological pressure due to urbanization and land use changes. This condition emphasizes the importance of sustainable environmental management to maintain water regulatory functions in the future.
Co-Authors Affandi, Azhar Kholiq Ali Amran Anita Desiani Ari Siswanto Armanto, M Edi Arum Setiawan Arum Setiawan Bambang Suprihatin Dahlan, M Hatta Damiri , Nurhayati Dedi Setiabudidaya Desty Rodiah Dwi Setyawan Eddy Ibrahim Edward Saleh Elisa Wildayana Elyantari, Gresi Fauziyah Febriyanti, Indrike FERLY OKTRIYEDI Handayani, Lela Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan Hikmah Utari Horia Horia Indah Amalia, Indah Irfannuddin Irfannuddin Irfanudin, Irfanudin Irmeilyana Jihan F. Lubis Jihan Farhan Lubis Komang Suryati Laila Hanum Leni Triana Lubis, Jihan F. Lulu Gloria M Yanuar J. Purwanto M. Hatta Dahlan M. Hatta Dahlan M. Yanuar J. Purwanto M. Yanuar J. Purwanto M. Yanuar J. Purwanto M. Yunus Makhalli, Siddiq Mariana Mariana Momon Sodik Imanuddin Muhammad Ardiansyah Muhammad Ardiansyah Muhammad Ardiansyah Muhammad Hatta Dahlan Muhammad Hendri Mukhlizar Nirwan Samsuri Neni Triana, Neni Novrikasari Novrikasari, Novrikasari Nura Malahayati Nurhayati Damiri Oki Dwipurwani Putri, Rizki Eka Rico J. Sitorus Robianto H. Susanto Robiyanto H Soesanto Robiyanto H. Susanto Rostika Flora Rully Marinto Saputra, Erlianto Hona Satria Jaya Priatna, Satria Jaya Septarini Eka Putri Setiabudidaya, D Settings Robiyanto H. Susanto Sri Indra Maiyanti Sri Indra Maiyanti Suratama, Bintang Suryadi Tjekyan Syarifuddin, Fauzi Yusuf Taufik Toha Taufik Toha, Taufik Tri Hastuti Sulistiyo Yowono Yowono Yuanita Windusari Yulifa Handayani Zubaidah R, Zubaidah Zuhdi, Mohd Zulkarnain Zulkarnain