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All Journal Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Hutan Tropika Jurnal Green Growth dan Manajemen Lingkungan Journal of Environmental and Development Studies
Aththorick, T. Alief
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Journal : Journal of Environmental and Development Studies

 1 
Analysis of Flood Inundation Vulnerability to the Deli Watershed of North Sumatra Using Remote Sensing and GIS Techniques Wardhana, Arya; Samsuri; Aththorick, T. Alief
Journal of Environmental and Development Studies Vol. 5 No. 01 (2024): 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.v5i01.12340

Abstract

Deli watersheds are listed as one of the most heavily damaged watersheds in Indonesia, and this causes many problems, such as floods, flash floods, and landslides. Studying this watershed becomes essential because the Deli watershed passes through a major city and has become the main source of flood and other natural disasters in the city such as Medan, The study aims to detect the vulnerability level of the areas around the watershed and the most rapid and possible way to study it is by using remote sensing and GIS, the overlay method by considering several parameters that affect the level of vulnerability to flooding in Deli Watershed, North Sumatra. Some of the parameters considered include the topographic wetness index, slope, land elevation, river flow density, land use cover, normalized difference vegetation index, distance to river, and rainfall. Each parameter is given a weight and value according to each classifier. The overlay process is carried out using ArcGIS 10.8.1 software, results are divided into 5 levels of area vulnerabilities all around the area, the study shows that all parts of Medan City in the Deli watershed have a high level of flood vulnerability and some areas with higher ground elevation such as Tanah Karo have spots area that is vulnerable with floods such as Daulu District with 0.45 ha and Semangat Gunung District with 0.63 ha of its areas are vulnerable to floods. The Topographic wetness index, Normalized difference vegetation Index, slope, and land use are the main factors causing flooding with weighting values 16, 13, 11, and 14. The other parameters elevation, flow density, distance to the river, rainfall, and soil class each have weighting values 7, 10, 11, 8, and 10. Slope with a range of 0-8% in most areas of Medan City are classified as very prone to flood inundation. This is due to the area's flat topography and low river flow density, the existing 3.5 km old sewer in the Deli Tua area is unable to accommodate the flood inundation load in the city of Medan and it is necessary to build two new sewers which are more effective and efficient in diverting the flow of water, before entering the city of Medan which makes the area vulnerable to becoming a water catchment area when it rains, thereby increasing the risk of flooding. With this flood-prone map, efforts to manage and mitigate floods in Medan City can be carried out. Information on vulnerable locations can be used to take appropriate preventive and countermeasures, such as building adequate drainage, regulating land use, and controlling river flows.
Management Strategy for Public Green Open Spaces in Medan City Using SWOT Analysis Al Fatah, Surya; Aththorick, T. Alief; Rahmawaty; Hamzah, Muhammad Kali
Journal of Environmental and Development Studies Vol. 5 No. 02 (2024): 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.v5i02.18179

Abstract

Medan City, the third-largest city in Indonesia, faces significant challenges in managing its public green open spaces (RTH) due to high population density, rapid urbanization, and insufficient green space, which falls far short of the 30% mandated by law. This research assesses the management of public green spaces in Medan through a SWOT analysis, revealing internal strengths such as a Regional Spatial Plan and government commitment, alongside weaknesses like suboptimal management, lack of coordination between agencies, and inadequate regulations. External factors, including opportunities from NGO funding and potential land acquisition, contrast with threats like rapid population growth and misuse of green spaces. Through data collection methods, including focus group discussions, questionnaires, and interviews with key stakeholders, the research identified key areas for improvement in green space management. Strategic recommendations include strengthening policies, increasing public awareness, optimizing cross-sector collaboration, and promoting sustainable urban planning. Additionally, leveraging green spaces for economic growth through multifunctional uses can enhance their value to the community. This study concludes that public green open spaces in Medan City can contribute significantly to sustainable urban development and environmental balance if managed more effectively, with better coordination, stronger regulations, and resource allocation. The findings aim to provide valuable insights for urban planners and policy makers in achieving urban sustainability goals.
The Condition of Coral Reefs Ecosystem in Poncan Gadang Island Sibolga City and Management Efforts Maulana, Rahman Muda; Mulya, Miswar Budi; Aththorick, T. Alief
Journal of Environmental and Development Studies Vol. 6 No. 01 (2025): 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.v6i01.16759

Abstract

Poncan Gadang Island is one of the islands in Sibolga City. The island is utilized by the community for various activities, such as beach tourism, underwater tourism and capture fisheries. This study aims to assess the coral reef condition of Poncan Gadang Island and provide recommendations for its management efforts. The research was conducted in February 2023 using the Underwater Photo Transect method to assess coral cover. The Underwater Photo Transect method was selected for its ability to provide permanent photographic records for further analysis, comparison over time and efficiency in capturing large- scale coral conditions. Management recommendations were analyzed using the SWOT analysis method. SWOT analysis was selected because provided a structured framework for management decision-making. The results indicated that the average percentage of live coral cover was 24.01%, classifying the coral reefs as damaged condition. This degradation is likely influenced by anthropogenic activities and environmental stressors. Based on the SWOT analysis, it is recommended that Poncan Gadang Island’s management address internal weakness to mitigate external threats. The SWOT analysis shows that management efforts should focus on addressing internal weaknesses, such as inadequate of local awareness and conservation policies to counteract external threats like unsustainable tourism practices and climate change. Implementing stricter tourism regulations, community- based conservation efforts and coral reef restoration for enhance reef resilience.
Spatial Analysis of the Distribution of Heavy Metals Pb and Cb in Well Water Around Terjun Landfill in Medan City Uliya, Raihan; Aththorick, T. Alief; Slamet, Bejo; Sabrina, T; Rahmawaty
Journal of Environmental and Development Studies Vol. 6 No. 01 (2025): 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.v6i01.16828

Abstract

The study analyzed the spatial distribution of lead (Pb) and cadmium (Cd) in well water around the Terjun Landfill in Medan City. The research aimed to determine Pb and Cd concentrations in dug and drilled wells, compare their levels, and assess the impact of proximity to the landfill's active zone. A total of 22 wells located 50–500 meters from the landfill were sampled using purposive sampling. Spatial analysis was conducted using GPS, while differences in Pb and Cd levels between well types were analyzed using a t-test (α = 0.05, CI 95%). Results showed that Pb concentrations in dug wells ranged from 0.0039 to 0.0379 mg/L, with the highest levels found near SG1 and SG4, indicating landfill influence. In contrast, Pb levels in drilled wells were lower (<0.0001 to 0.0158 mg/L) and primarily influenced by external sources. Cd concentrations ranged from 0.0008 to 0.0032 mg/L in dug wells and 0.0005 to 0.0102 mg/L in drilled wells, with contamination in drilled wells linked to external activities. Proximity to the landfill significantly affected Pb levels in dug wells but had no impact on drilled wells, while Cd levels were unaffected by distance in both well types. The findings suggest that transitioning from dug wells to drilled wells is essential to reduce heavy metal exposure and ensure safer water quality for residents.
Identification of Factors and Variables in Orangutan Habitat Conservation in Central Tapanuli Using DPSIR Approach Budiman, Fahri; Nababan, Esther Sorta Mauli; Aththorick, T. Alief
Journal of Environmental and Development Studies Vol. 6 No. 01 (2025): 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.v6i01.18152

Abstract

The habitat of the Tapanuli orangutan remains under threat from deforestation, fragmentation, development, and hunting, with only 11,787.7 hectares left. Conservation efforts have not been optimal due to the lack of a systematic approach and synergy among stakeholders. A long-term, data-driven management model integrating social, economic, ecological, and policy aspects is yet to be developed. This study aims to develop a scenario model for conserving the habitat of the Tapanuli orangutan in Central Tapanuli Regency. The method used in this research includes a literature review conducted over one year (November 2022–November 2023), secondary data collection, field surveys, and the DPSIR framework as an analysis tool. Four scenarios were analyzed: Business as Usual (BAU), land conversion threats, area strengthening policies, and habitat rehabilitation. The model was validated using historical data to ensure the accuracy of the results. The findings indicate that, although national and regional policies exist to protect the Tapanuli orangutan, their implementation is often hindered by weak law enforcement, corruption, and resistance from local communities. Thus, protecting the habitat of the Tapanuli orangutan requires a more holistic approach, including enhanced monitoring, forest restoration, community education, the development of sustainable alternative livelihoods, and multi-stakeholder collaboration. Continuous evaluation and strengthening of science-based policies are essential to ensuring the long-term effectiveness of conservation efforts.
Community Perception and Participation in the Initiation of the Tapanuli Orangutan Corridor (Pongo tapanuliensis Nater, 2017) in Hutaimbaru, Luat Lombang Village, Sipirok District, South Tapanuli Regency Tanjung, Dede Syahputra; Aththorick, T. Alief; Rahmawaty
Journal of Environmental and Development Studies Vol. 6 No. 2 (2025): 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.v6i2.17098

Abstract

The Tapanuli orangutan (Pongo tapanuliensis) is critically endangered and inhabits the Batangtoru Ecosystem, the last refuge of the southernmost orangutan population in Sumatra. Habitat fragmentation due to development from 1989 to 2013 left around 767 individuals in two wild populations, which are predicted to be unable to survive for the next 500 years. This research aims to analyze community perceptions and participation in the initiation of the Tapanuli Orangutan Corridor development in Hutaimbaru. The research method used was a quantitative approach with a sample of 30 respondents. The results showed that the community’s perception level of corridor development was in the moderate category with a percentage of 61%, while the level of community participation was in the high category with a percentage of 67%. This condition indicates that although community understanding of the corridor program is still limited, they respond positively and demonstrate active involvement. This research emphasizes the importance of a participatory approach through community-based agroforestry development as a corridor-building strategy, which not only benefits the conservation of the Tapanuli orangutan but also supports the improvement of local community welfare.
Performance of Social Forestry Implementation at UPTD KPH IX Panyabungan Solihin, Solihin; Affandi, Oding; Delvian, Delvian; Rahmawaty, Rahmawaty; Aththorick, T. Alief
Journal of Environmental and Development Studies Vol. 6 No. 2 (2025): Journal of Environmental and Development Studies
Publisher : TALENTA Publisher, Universitas Sumatera Utara

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

Abstract

Social forestry (PS) is a form of sustainable forest management within state forest areas where local communities act as the leading actors to improve welfare, ecological balance, and socio-cultural dynamics. Although PS has been promoted to reduce poverty, increase local income, and strengthen forest conservation, many groups still face challenges in management, compliance, and financial sustainability. At the UPTD KPH IX Panyabungan, several social forestry groups have obtained legal approval but continue to struggle with fulfilling regulatory performance indicators, particularly in business development, area management, and financial contributions to the state (PNBP). This research was conducted in the North Sumatra Forest Management Unit Regional IX Panyabungan, involving four active social forestry groups (KPS): KTH Permata Belantara and KPS Sampean Jaya (HKm), KPS Globe Mangrove Indah (HD), and KPS Koperasi Rizki Jaya (HTR), selected from a total of seven groups at the site. This study aims to analyze the performance of KPS as PS approval recipients. The research employed a qualitative approach using field observations, in-depth interviews, and document analysis, with evaluation criteria and indicators based on the Regulation of the Minister of Environment and Forestry No. 9/2021. The novelty of this study lies in evaluating both the economic impacts and compliance performance of KPS after PS approval, while most previous studies mainly emphasized ecological or participation aspects. The results show that KPS fulfilled institutional indicators and generated additional income: KTH Permata Belantara (Rp. 31.9 million/year), KPS Sampean Jaya (Rp. 17.75 million/year), and KPS Gubeg Mulyoharjo Indah (Rp. 36.96 million/year). They also received capital support and planted 18,293 trees over three years. However, optimization is still needed in area management, business development, and non-tax state revenue (PNBP) payments. Thus, stronger institutional support, capacity building, and monitoring are required to ensure that PS not only meets administrative targets but also delivers measurable improvements in community welfare and forest sustainability.
Co-Authors Abda Abda Abdul Rauf Ade Fitria Al Fatah, Surya Aning Tedong, Peter Arif NURYAWAN Bejo Slamet Budiman, Fahri Damayani, Ema Delvian Delvian Erwin Nyak Akoeb, Erwin Nyak Fitra Syawal Harahap Fuad Abdullah, Muhammad Fujiwara, Takahiro Hamzah, Muhammad Kali Harahap, Darmadi Erwin Hasmadi Ismail, Mohd Ismail, Mohd Hasmadi kholizah, Siti Masrizal Saraan Maulana, Rahman Muda Nababan, Esther Sorta Mauli Oding affandi Pasaribu, Khatarina Meldawati Piliang, Averrous Fazlurrahman R. Hamdani Harahap Rahmawaty, Rahmawaty Saharman Gea Samsuri Seca Gandaseca Solihin Solihin Sovia Lenny Syauki, Azri Syawal Harahap, Fitra T Sabrina T. Sabrina Tanjung, Dede Syahputra Tedong, Peter Aning Uliya, Raihan Wardhana, Arya Wini Dirgahayu Yuan Alfinsyah Sihombing