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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Journal of Sylva Indonesiana Global Forest Journal
Mohd Hasmadi Ismail
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Materials Science & Nanotechnology

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Journal : Global Forest Journal

 1 
Analysis of land use (2013-2022) in the Gayo highlands, Aceh, Indonesia Arico, Zulfan; Rahmawaty; Delvian; Hamdani Harahap; Mohd Hasmadi Ismail
Global Forest Journal Vol. 1 No. 01 (2023): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v1i01.13252

Abstract

Forest fragmentation is a threat to ecosystems in Indonesia caused by forest conversion to plantations. This study aims to analyze the use of land cover in the period 2013-2022. The research was conducted from November 2022 to January 2023 in the Gayo highland area by taking case studies in 2 regions including the Central Aceh District and Bener Meriah District. The research was carried out in several stages, namely: image pre-processing, image visual interpretation, making image classification class identifiers, and ground checking. The pre-processing stage is the preparation of tools and materials. Landsat 8 OLI imagery for the study area downloaded from the United States Geological Survey (USGS) website. The results of the research show that in the last 10 years there has been a decrease in the area of land cover in the exploration area of primary forest and secondary forest. Meanwhile, in the cultivation of dry fields, settlements, plantations and vacant land, land use has increased. Changes in the use of land cover are influenced by community activities in Central Aceh and Bener Meriah Regencies.
Evaluating land suitability for kemiri (Aleurites moluccana) as a multi-purpose tree species in community agroforestry land within Langkat District, North Sumatra Rahmawaty; Sintike Frastika; Abdul Rauf; Ridwanti Batubara; Mohd Hasmadi Ismail; Seca Gandaseca
Global Forest Journal Vol. 2 No. 02 (2024): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v2i02.15626

Abstract

Evaluating land suitability for Aleurites moluccana in community agroforestry land within Langkat District, North Sumatra, is crucial for promoting sustainable development, enhancing livelihoods, and preserving ecosystems while honoring local traditions and cultures. The primary objective of this research was to evaluate and map the land suitability for A. moluccana within Langkat District, located in North Sumatra, Indonesia. To gather the necessary data, this study employed a survey method, involving the collection of soil samples from ten distinct land units within the field. The assessment of land suitability was carried out using the matching method. Geographic Information System (GIS) technology was utilized to create maps illustrating the distribution of land suitability, while a Global Positioning System (GPS) was employed to accurately record the coordinates of the collected soil samples. The findings revealed that within Gunung Ambat, Simpang Kuta Buluh, Rumah Galuh, and Telagah Village, the actual land suitability classes for A. moluccana were classified as moderately suitable (S2) and marginally suitable (S3). The prevailing limiting factors in this region were temperature (tc) and the characteristics of the root zone medium (rc). Consequently, this influenced the potential land suitability classes for A. moluccana, resulting in classifications ranging from highly suitable (S1) to moderately suitable (S2) and marginally suitable (S3). By implementing land suitability evaluation for A. moluccana in community agroforestry land, promoting sustainable land use, enhancing livelihoods, and conserving natural resources.
Corruption risks and potential threats to the forestry sector in Peninsular Malaysia Norsyazwani Izzati Mohd Yahya; Mohd Hasmadi Ismail; Pakhriazad Hassan Zaki; Paiman Bawon; Rahmawaty; Seca Gandaseca
Global Forest Journal Vol. 3 No. 02 (2025): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v3i02.20618

Abstract

Corruption and forest disturbances represent substantial barriers to sustainabledevelopment in Malaysia's forestry sector. Working within this sector faces avariety of threats. This study explores key corruption risks within the forestrysector, analysing the motives and opportunities that drive forest offences inPeninsular Malaysia. Respondents from relevant agencies were primarilysurveyed using questionnaires. Data analysis using SPSS revealed the corruptionrisks encountered within the forestry sector. Respondents identified fieldwork andreporting as potential areas susceptible to corruption, with their perceptionsanalyzed through central tendency and dispersion measures. Additionally,correlation analysis was conducted to determine the strength and direction of therelationship between motive and opportunity regarding forest offences, and toassess whether the correlation was statistically significant. The findingsdemonstrated a robust positive correlation (r = 0.66) between motive andopportunity, indicating a significant relationship. This suggests that motives forforest offences correspond to opportunities for such offences. This studyhighlights the need for targeted collaboration between the Forestry Departmentand relevant authorities to develop specialized training programs. These programsare crucial for effectively investigating and prosecuting forest violations,ultimately reducing corruption risks
Analysis of mangrove vegetation diversity in Pematang Kuala Village, Teluk Mengkudu Sub-district, Serdang Bedagai Regency, North Sumatra Sitanggang, Miduk; Salomo Bobby Fernando Sihombing; Poppy Lumban Gaol; Rahmawaty; Seca Gandaseca; Mohd Hasmadi Ismail
Global Forest Journal Vol. 3 No. 02 (2025): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v3i02.21176

Abstract

Mangrove ecosystems are important in ecological, economic, and social aspects,especially for coastal communities. However, damage to mangrove ecosystemsdue to land-use changes for purposes such as settlements and fish ponds canthreaten their sustainability. This study aims to analyze the potential of themangrove ecosystem, apply the kao-kao model in silvofishery pond management,and analyze the potential of mangroves in increasing the income of the communityin Pematang Kuala Village, Teluk Mengkudu Sub-district, Serdang BedagaiDistrict, North Sumatra Province. The methods used include field surveys forvegetation analysis and interviews with Kelompok Usaha Bersama (KUB)Nelayan Sepakat members. Vegetation analysis was conducted in three zones:utilization zone I, II, and the protection zone. Each zone consisted of 5 plots,totaling 15 plots. Interviews were conducted with 27 respondents. The studyresults showed that the mangrove ecosystem in Pematang Kuala Village isdominated by Avicennia marina and Rhizophora mangle, with an important valueindex of 300 in both utilization and protection zones. In the protection zone, theShannon-Wiener diversity index was 0.95, indicating a low level of diversity.Based on the kao-kao system model, it was observed that the productivity of fishponds and fishermen's catch increased. Community income has significantlyincreased over the last five years, with an average net income of IDR 19,550,000every six months. The presence of mangroves also provides indirect benefits as acoastal protector from abrasion, with an estimated economic value of IDR247,950,000 per year.
Co-Authors . Zulfan Abda Abda ABDUL RAUF Azita Ahmad Zawawi Delvian Hamdani Harahap Janter Bronson Samosir Lantobong, Jusma Wati Mahawan Karuniasa Mohd Shafeeq Muhammad Sapian Norsyazwani Izzati Mohd Yahya Paiman Bawon Pakhriazad Hassan Zaki Poppy Lumban Gaol Rahmawaty, Rahmawaty Ridwanti Batubara Rizky Amalia Salomo Bobby Fernando Sihombing Seca Gandaseca Simanjuntak, Friska Irene Sintike Frastika Sitanggang, Miduk Siti Kholizah SITI LATIFAH Thinaraj Balakrishnan