TATAKELOLA LANSKAP RAWAPENING BERDASARKAN TINGKAT RESIKO BENCANA LINGKUNGAN DI SUB DAS RAWAPENING (Landscape governance of Rawapening based on the level of environmental disaster risk in the Rawapening Sub Watershed)

Djati Mardiatno, faridah faridah, sunarno sunarno, Dwi Wahyu Arifudiin Najib, Yuli Widyaningsih, M. Anggri Setiawan

Abstract


Lake ecosystem balance is influenced by the interaction and interrelation of upstream and downstream processes of catchment. Environmental degradation upstream affects the trophic status of the lake, triggering the risk of environmental disasters. Integrated lake management is a form of governance to achieve sustainable development goals. This study aims to analyze the implementation of the Rawapening Lake management program plan spatially by considering the environmental risk conditions of the Rawapening catchment area. Semi-quantitative analysis is used to assess the level of disaster risk in Rawapening catchment area. The zoning results of environmental disaster risk areas are used as the basis for the implementation of the 2019 Rawapening lake management plan descriptively. The results showed that Rawapening catchment area has a very low, low, medium, high, and very high risk levels. Panjang Sub Watersheds, Galeh Sub Watersheds, Parat Sub Watersheds, Sraten Sub Watersheds have a high to very high risk level. The Rengas Sub Watershed, Torong Sub Watershed falls into the medium risk category. Low to very low risk levels are scattered in the Legi Sub Watershed, the Kedung Ringis Sub Watershed, and the Ringis Sub Watershed. The complexity of the problems in the agricultural, livestock, residential and industrial sectors is the main contributor to sediment and pollutants in the lake system. The integration of upstream and downstream processes is used as a consideration in conducting spatial planning for Rawapening Lake management to achieve management objectives.


Keywords


environmental disaster; eutrophication; landscape management

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DOI: https://doi.org/10.20886/jppdas.2021.5.1.21-40

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