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All Journal Journal of Sylva Indonesiana
Samsuri
Faculty of Forestry, Universitas Sumatera Utara, Sumatra Utara, Indonesia
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Study of policy determination to create a healthy watershed: A case study of Lepan watershed in Langkat district, North Sumatera, Indonesia Samsuri; Yunus Affifuddin; Faisal Ridho
Journal of Sylva Indonesiana Vol. 5 No. 01 (2022): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (697.318 KB) | DOI: 10.32734/jsi.v5i01.6222

Abstract

Lepan watershed has declined in function over the past two decades. One of the contributing factors is unsustainable forest management and low public awareness in maintaining an ecosystem. Upstream damage occurs due to illegal logging and deforestation for agricultural purposes or exploitation of forest products. Meanwhile, the conversion of forest land into commercial or residential use occurs in the middle to downstream areas. The research used a descriptive analysis method based on Situation, Structure, Behavior, Performance (SSBP), and Analytical Hierarchy Process (AHP) method with data processing using the Expert Choice software. Research shows that the government's percentage of performance related to policies that have been implemented in the Lepan watershed is considered reasonable by the community, with a value reaching 62%. Alternatives in providing of Lepan watershed being healthy is returning of function by value weight 5.6, conservation by value weight 3.4, and planting by value weight 2.1
Mapping land cover and vegetation detection in urban areas Anita Zaitunah; Samsuri; Anggie Yohanna Mandalahi; Lailan Syaufina
Journal of Sylva Indonesiana Vol. 5 No. 01 (2022): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (912.396 KB) | DOI: 10.32734/jsi.v5i01.6904

Abstract

The increase of population has caused land use land cover change. The development of a city has increase the need of settlements and buildings. Monitoring any land cover is important to support environmentally based and sustainable urban planning. Medan as one of big cities in Indonesia has showed a development of the areas. The aim of the study was to analyze the land cover and vegetation existence in two sub-districts of Medan. The supervised classification analysis was conducted for year 2019. Ground check was a part of the study. There were six land cover classes found in the area, namely paddy fields, grass, shrubs, trees, mixed plant, and built-up land. The largest area within two sub-districts is built up areas. The results show less vegetated areas within two sub-districts. There was 86% of built-up areas in Medan Baru and 69.3% in Medan Selayang. Vegetation as an important element in the environment needs to be preserved within the urban areas. There is a need to plant trees in less vegetated areas. Green open space should be incorporated into city planning in order to preserve and improve the quality of the urban environment.
Co-Authors Anggie Yohanna Mandalahi Anita Zaitunah Faisal Ridho Lailan Syaufina Yunus Affifuddin