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Evaluation of Handling Waste System in Doulu Tourist Area, Karo Regency, Indonesia Depari, Brian Pratama; Nasution, Zulkifli; Ginting, Nurzainah
Journal of Environmental and Development Studies Vol. 4 No. 01 (2023): Journal of Environmental and Development Studies
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jeds.v4i01.10416

Abstract

Penatapan Doulu is one of the popular tourist areas in Karo Regency, Indonesia. Tourism activities cause waste problems that have the potential to pollute the surrounding environment. This study aims to analyze and evaluate waste problems in the Penatapan Doulu tourism area which includes waste management policies and methods, as well as providing future considerations for proposed waste management strategies through the concept of collaborative management. This study analyzes all kinds of waste generated from 30 restaurants located in the Penatapan Doulu tourist area. The method for calculating waste generation and composition is based on SNI 19-3964-1994. The results showed that the total waste generation reached 76.03 kg/day with the waste composition dominated by plastic 42.02%, fruit peels 28.07%, and food 13.46%. Evaluation of the current condition obtained a value of 2.58 which is categorized as moderate. Proposed strategies that need to be carried out in the Penatapan Doulu tourist area are making trash bins based on the type of waste and pilot village programs which are a concrete manifestation of synergy between stakeholders and handling waste problems must be carried out by all parties with collaborative management carried out effectively. 
Floristic Diversity of Mangrove Restoration Area: A Case Study in Pasar Rawa, North Sumatra Harefa, Meilinda Suriani; Nasution, Zulkifli; Tuhono, Eling; Susilowati, Arida
Jurnal Sylva Lestari Vol. 12 No. 1 (2024): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i1.824

Abstract

Mangrove forests are important ecosystems. However, land conversion and degradation have destroyed a significant area of mangrove. Mangrove restoration employing native species has been performed in several degraded areas, including some North Sumatra regions. However, information regarding floristic diversity in monoculture restoration areas is still limited. This research aims to analyze the floristic diversity in the mangrove restoration area, which is dominated by Soneratia alba species in Pasar Rawa Village, North Sumatra. The plotted path approach was employed for vegetation analysis in a 3-ha area in Pasar Rawa. The findings revealed that 8 (eight) species were found in the S. alba restoration area. The highest Important Value Index (IVI) in the seedling stage was found in Acanthus ilicifolius, while at the sapling and tree stages, S. alba was the highest. The highest diversity index was obtained at the sapling stage, which was 1.46 (medium), and the lowest was obtained at the tree stages, which were 0.26 (low). The result showed a new recruitment of seedlings in the research location, although the species diversity value is still lower. The appearance of new species, particularly pioneer species, in the research area indicates that natural succession processes are currently taking place. Keywords: floristic, mangrove, monospecies, restoration, Sonneratia alba
Analisis Kendala Program Peremajaan Sawit Rakyat (PSR) terhadap Potensi Pertumbuhan Ekonomi Petani Sawit Rakyat. Syafira, Retno; Nasution, Zulkifli; Charloq, Charloq
Jurnal Ilmiah Global Education Vol. 5 No. 1 (2024): JURNAL ILMIAH GLOBAL EDUCATION, Volume 5 Nomor 1, Maret 2024
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/jige.v5i1.2469

Abstract

This study aims to analyze the effect of the community oil palm replanting program on the economic growth of community oil palm farmers in Batu Bara Regency. This research uses quantitative methods with multiple linear regression analysis techniques. Primary data was obtained from 75 respondents of smallholder oil palm farmers in Batu Bara District. The results showed that administration and human resources have a positive and significant influence on the economic growth of smallholders. Meanwhile, oil palm land, facilities and infrastructure, and sustainability have no influence on the economic growth of smallholders. This study implies that it is important to increase training and technical support for assistants and smallholders. The government needs to provide financing and incentives to encourage farmers' participation in the smallholder oil palm replanting program. A holistic economic growth strategy is needed, such as diversification of oil palm products, improvement of the value chain, and integration with other sectors. It is necessary to build strong cooperation with relevant stakeholders to improve program implementation and maximize economic benefits for smallholders.
Prediksi Perubahan Guna Lahan pada Kawasan Aerotropolis Menggunakan Model ANN-CA: Studi Kasus Kecamatan Beringin Kabupaten Deli Serdang Thoha, Achmad Siddik; Utami, Irdha Diah; Nasution, Zulkifli
Jurnal Serambi Engineering Vol. 11 No. 2 (2026): April 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Perkembangan infrastruktur bandara mendorong perubahan guna lahan yang signifikan di wilayah sekitarnya. Kecamatan Beringin di Kabupaten Deli Serdang ditetapkan sebagai kawasan aerotropolis dan mengalami dinamika perubahan ruang sejak beroperasinya Bandara Internasional Kualanamu. Penelitian ini bertujuan untuk memprediksi perubahan guna lahan di Kecamatan Beringin menggunakan pendekatan pemodelan spasial-temporal berbasis Sistem Informasi Geografis (SIG). Data penggunaan lahan tahun 2012, 2018, dan 2024 diperoleh dari citra satelit resolusi tinggi dan dianalisis menggunakan model Artificial Neural Network-Cellular Automata (ANN-CA) melalui plugin MOLUSCE pada QGIS. Faktor pendorong yang digunakan meliputi jarak terhadap bandara, jaringan jalan utama, permukiman, dan kemiringan lereng. Hasil validasi menunjukkan tingkat akurasi model yang tinggi. Prediksi tahun 2036 mengindikasikan peningkatan kawasan terbangun, khususnya permukiman serta perdagangan dan jasa, yang terkonsentrasi di sekitar bandara dan koridor transportasi. Sebaliknya, kawasan pertanian diproyeksikan mengalami penurunan. Temuan ini menegaskan peran bandara sebagai kutub pertumbuhan dalam perkembangan kawasan aerotropolis.