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INDONESIA
MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management
Published by Institut Pertanian Bogor
ISSN : 20870469     EISSN : 20892063     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Manajemen Hutan Tropika is a periodic scientific articles and conceptual thinking of tropical forest management covering all aspects of forest planning, forest policy, utilization of forest resources, forest ergonomics, forest ecology, forest inventory, silviculture, and management of regional ecosystems.
Arjuna Subject : -
Articles 16 Documents
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Search results for , issue "Vol. 30 No. 1 (2024)" : 16 Documents clear
Land Use, Built-Up, and Vegetation Index in North Halmahera Regency through Spatio-Temporal Analysis Singgalen, Yerik Afrianto
Jurnal Manajemen Hutan Tropika Vol. 30 No. 1 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.1.70

Abstract

Monitoring land use, buildings, and vegetation index of ecotourism areas in North Halmahera can support planning space utilization in urban areas for tourist areas as the concept of land use management and urban planning. This study offers ideas for analyzing the distribution of buildings, vegetation index, and land use in the mangrove ecotourism area of North Halmahera Regency using the spatio-temporal analysis method. The spatio-temporal analysis method comprises several stages: data selection, preprocessing, data integration, spatial analysis, temporal analysis, spatio-temporal analysis, data visualization, interpretation and understanding, and data visualization. The results of this study show that changes in the livelihood strategy of local people, from farmers and fishermen to traders, also affect land use patterns, from agricultural activities to economic activities, which triggers an increase in the number of buildings for production activities to product distribution. The implications of these findings on ecotourism development programs and policies and infrastructure development in the North Halmahera Regency are to consider community livelihoods and space or land use behavior in ecotourism areas based on vegetation, soil, and building index values. Thus, the intensification of building distribution and changes in vegetation index values from 2013-2023 reflect changes in people's livelihood strategies from agrarian activities to trade and from fishermen's activities to tourism transportation service providers.
Public Perceptions on the Importance of Ecosystem Services From Vulnerable Forest: A Case Study of Ampang Forest Reserve, Selangor, Malaysia Gai, Mei Yin; Hassan, Muhammad Luqman; Anak Empidi, Arlixcya Vinnisa; Juraimi, Umi Farishaanum; Mohd Noorazman, Nurashikin; Emang, Diana
Jurnal Manajemen Hutan Tropika Vol. 30 No. 1 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.1.61

Abstract

Forest reserve gazettement affects the sustainability of forests by altering their ecological function and threatening human livelihood. This study examines a recently degazetted forest, using a survey among 120 local respondents living near Ampang Forest Reserve (AFR) in Selangor, Malaysia. The simple random sampling technique was implemented to reduce sampling bias, and descriptive and correlation statistics were used in the analysis. The study aims (i) to examine the public perceived importance of forest ecosystem services from AFR, (ii) to determine public awareness of a range of environmental threat levels towards AFR’s ecosystem services, and (iii) to assess public agreement on conservation measures that could increase protection and ensure the sustainability of ecosystem services from the remaining area of AFR. The result revealed all ecosystem services were perceived as important, and the public was mostly aware of the environmental threats. At the same time, conservation measures should be implemented to protect and ensure the sustainability of ecosystem services from AFR. This study provides insight into public perceptions of the importance of forest ecosystem services derived from vulnerable forest reserves. It indicates the relevance and need for better protection in high-risk forest areas as local livelihood depends on its significant ecological roles.
Optimizing DNA Extraction and Selecting Suitable Regions for Biodiversity Assessment: A Study on Shorea leprosula Rachmat, Henti Hendalastuti; Yulita, Kusumadewi Sri; Dwiyanti, Fifi Gus; Susilowati, Arida; Arrofaha, Nawwall; Susila, Susila; Kamal, Irsyad; Siregar, Iskandar Zulkarnaen
Jurnal Manajemen Hutan Tropika Vol. 30 No. 1 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/144

Abstract

The extraction method plays a crucial role in obtaining high-quality DNA samples, which is indispensable for various molecular biology techniques and analyses, enabling a deeper comprehension of genetic information and biological processes. The objectives of the study were: a) to optimize the chloroplast DNA extraction protocol by comparing modified CTAB methods and GeneAid for both leaf and wood samples of Shorea leprosula, a major commercial timber species, and b) to identify a suitable cpDNA region that exhibits variability and universality across taxa. Total DNA was analyzed by gel electrophoresis followed by Sanger sequencing to determine the amplification success. The results revealed that trnL intron, trnL-trnF, and trnG yielded readable sequences of the expected length (maximum 586 bp, 480 bp, and 908 bp, respectively), while the rps 16 intron failed to assemble a contig. The petL-psbE region provided long readability for reverse sequences (769 bp) but not for the forward sequence (195 bp). Higher successful DNA extraction was achieved from the leaves compared to the woods. The lower sequencing quality may be attributed to suboptimal primer design, the structural features of the regions resulting from extensive repetitive sequences, and the suboptimal condition of the extraction method in eliminating wood chemical compounds.
Risk Management Literacy Level among Oil Palm Smallholders in Malaysia Abdullah, Mohd Hafizuddin Syah Bangaan; Azmi, Amira; Yakob, Rubayah; Redzuan, Hendon
Jurnal Manajemen Hutan Tropika Vol. 30 No. 1 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.1.129

Abstract

Risk management literacy is very important in influencing an individual's decision-making when taking preparatory steps to handle the anticipated risks. This includes oil palm smallholders who are constantly exposed to various types of risks. Therefore, this study aims to analyze the level of risk management literacy among oil palm smallholders in Malaysia. The data of the study was obtained from the online questionnaires distributed to oil palm smallholders using a random sampling method. The data obtained from the final sample of 200 smallholders were analyzed to examine the level of risk management literacy among palm oil smallholders using mean score analysis. The results found that the risk management literacy level among oil palm smallholders in Malaysia is at a moderately high level. Furthermore, mean score for the preference of saving instead of expenditure was the highest i.e. 4.40, indicating that smallholders possess high awareness on the importance of saving as one of the tools for risk management. The study’ findings allowed relevant authorities to formulate new programs such as training and awareness campaign of risk management, on continuous basis. It could assist smallholders to prepare for any potential risks and subsequently be able to create sustainable sources of income.
Economic Analysis of Forest Management for Timber Production and Agricultural Production in Hillside Watershed Areas of Madagascar: A Case Study of the Itasy Region Konoshima, Masashi; Razafindrabe, Bam Haja Nirina
Jurnal Manajemen Hutan Tropika Vol. 30 No. 1 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.1.84

Abstract

In hillside watersheds, forests play a crucial role in protecting against soil erosion. Not only does forest vegetation cover serve as a biological measure to prevent soil erosion, it also generates income through sustainable management practices. However, there is a scarcity of research that evaluates and compares the profitability of perennial woody crops with that of other agricultural crops by integrating biological aspects within an economic analytical framework in Central Madagascar. In this study, we address this gap by combining a biological growth model that captures complex forest dynamics with economic management data to utilize the discounted cash flow method. We applied this approach to evaluate and compare the profitability of forest management and agricultural crop production in the hillside watershed areas of Central Madagascar, which have experienced severe human-induced soil erosion. Although our results showed that timber production is a profitable option, other agricultural crops generate much higher profits, indicating that financial subsidies alone may not be enough to shift land use toward perennial woody crops. In addition, growing fruit trees such as oranges and mangoes appears to be a much more financially attractive option for local farmers than annual agricultural crop production.
Growth of Betung Bamboo (Dendrocalamus asper) and Food Crop Production Under Agroforestry Bamboo Systems Hani, Aditya; Suryanto, Priyono; Murniati, Murniati; Widiyatno
Jurnal Manajemen Hutan Tropika Vol. 30 No. 1 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.1.155

Abstract

One of the main species in community forests is betung bamboo (Dendrocalamus asper). Optimizing land use under bamboo can be achieved by cultivating food crops. This research aimed to determine the growth of betung bamboo and the production of food crops. The experimental design used a split plot design with four cultivation patterns as the main plots: agroforestry bamboo pattern i.e. agroforestry bamboo + rice (P1), agroforestry bamboo + rice + cassava (P2), agroforestry bamboo + rice + taro (P3), and mixed food crops (rice + cassava + taro) (P4), while the subplots were rice varieties: rindang 2 (V1), protani (V2), and unsoed (V3). The observed parameters were bamboo growth, soil fertility, and food crop production. The results showed that seven-year-old betung bamboo had an average of 6.01 mature stems per clump, an average plant height of 7.23 m, and a stem diameter of 7.12 cm. The numbers of young stems and shoots per clump was 1.45 and 3.71. The highest betung bamboo growth was in the agroforestry pattern (length: 8,49 m, diameter: 7.17 cm, thickness: 1.95, total weight: 21.31 kg). The highest rice yield was observed in the P2V1 treatment (4.17 kg). The highest cassava tuber yield per plant was observed in P4 (2.12 kg). The taro tuber yield was relatively higher in the agroforestry pattern with a distance of >1 m from the bamboo clump (0.52 kg plant-1). The land equivalent ratio (LER) and area time equivalent ratio (ATER) of bamboo and food crop agroforestry have a value above 1, so it is more efficient in land.

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