cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota bogor,
Jawa barat
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 547 Documents
 47   48   49   50   51 
Variation of Phenology of Flacourtia rukam in Two Different Habitats and Their Relation to Rainfall, Dry Days, and the Plant Water Status Darmayanti, Agung Sri; Ariffin; Waluyo, Budi; Ariesoesilaningsih, Endang
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.30.1.118

Abstract

Phenological shifts in the emergence of vegetative and generative parts, occur due to the response of plants to water received due to climate change. The rukam tree (Flacourtia rukam (Zoll & Moritzi)) is a local Indonesian plant with potential as an edible fruit and antioxidant agent, but its existence is increasingly rare. F. rukam can be found in Pasuruan, East Java, including Purwodadi Botanical Garden (PBG) as collected plants and Sekarmojo Village as cultivated plants. These populations show a shift in phenology, but this has never been studied. This study aimed to analyze the spatial variation of the phenology of two rukam populations and its relation to plant water status, rainfall quantity (RQ), and drought days (DD). This research was conducted on two individual trees at each location, was conducted from August 2020 to October 2022 using secondary data from BMKG, such as daily rainfall and the number of days without rain. Phenology was directly observed every week with an estimated abundance of numbers 1-4; plant water status was observed by calculating relative water content (RWC); soil physical analysis was carried out in mid-season. Data were analyzed by Mann-Whitney test and SEM WarpPLS. The results showed differences in phenology in the phases of leaf fall, flower buds, young fruit, and ripe fruit on the trees in the different locations. The decreased RQ in the past month significantly reduced the RWC value of F. rukam in both places, while the number of DD contributed to a decrease in the RWC value in PBG only, not in Sekarmojo. In both sites, decreasing the RWC of the rukam increased the abundance of fallen leaves and the chances of flowering. Rainfall and drought days affected plant phenology directly or indirectly through RWC mediation. In both places, RQ had a direct positive and significant effect on blooming flowers and new leaves but had negative effect on fallen leaves. While DD had a positive effect on leaf fall, flower formation, and fruit ripening, but had a negative effect on the appearance of young fruit (in PBG). Indirectly, RQ mainly affected several phenological parameters, while DD did not affect all phenological parameters.
Expedition and Characterization of the Corpse Flower (Amorphophallus titanum (Becc.)) in West Sumatra Yusniwati, Yusniwati; Setiawan, Ryan Budi; Handayani, Mellyyana; Nanda, Alifma Rahimmi; Sukma, Dian; Rahmi, Alfazlul; Syahputra, Agil; Bosma, Pandu Arif Laksana; Baiturrahman, Atzim
Jurnal Manajemen Hutan Tropika Vol. 30 No. 2 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.2.258

Abstract

The corpse flower (Amorphophallus titanum Becc.) is an endemic flora of Indonesia that is naturally found only in Sumatra. The status of A. titanum is endangered because of several factors: deforestation, tuber exploitation, long flowering time, and protogyne. Until now, there has been no research about the population and distribution of A. titanum in West Sumatra. This study aimed to obtain information about the population and distribution of A. titanum in West Sumatra, so this research is essential to learn. The research used roaming and snowball sampling methods in Solok Selatan and Sijunjung Regencies in September-October 2022. The research was conducted by recording the coordinates where A. titanum was discovered, marked using GPS, and collecting morphological characteristics. The results showed that exploration in the Solok Selatan District found 19 corpse flower individuals (18 species of A. titanum and one species of A. gigas). In contrast, exploration in Sijunjung Regency managed to found 25 species of A. titanum. The corpse flowers found were in vegetative, dormant, flowering, and fruiting phases. The results help record the number and distribution of A.titanum in West Sumatra. The ex-situ conservation program will use germplasm as propagation material in the future.
A Changing Landscape: Exploring the Relationship between Clean and Clear Status Policy, Coal Mining, and Deforestation Widjanarko, Achmad Prabu; Gultom, Yohanna Magdalena Lydia
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.30.1.97

Abstract

Coal plays a crucial role in energy generation in developing nations and serves as a vital source of power amidst growing energy demands. However, coal mining often acts as a primary driver of deforestation and poses significant environmental challenges. Indonesia, a country with extensive forest areas and a significant coal producer, has implemented a Clean and Clear status policy to address regional and administrative issues related to mining permits. This study aims to assess the impact of this government permit for coal mining in forest areas using the fixed effect panel data method, offering insights into the relationship between coal mining activities and deforestation trends. The analysis focused on the period from 2010 to 2019 and covered 110 regencies in Indonesia, providing a comprehensive understanding of the spatial and temporal dynamics of forest loss. The estimation findings indicated a negative correlation between the areas allocated for coal mining concession permits and forest areas, underscoring the need for stringent regulations and effective land management practices. Therefore, it is recommended that the Clean and Clear status policy not only be applicable during the permit granting phase, but also prioritize post-mining periods to ensure the completion of land reclamation activities.
Identifying Important Areas for the Release of Five Endemic Species in a Mountainous Landscape: Inference from Spatial Modeling Techniques Rahman, Dede Aulia; Giri, Misbah Satria; Munawir, Ahmad; Sunderland-Groves, Jacqueline L
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.30.1.51

Abstract

Efforts to release animals resulting from evacuation and rehabilitation into their natural habitats are important practices in wildlife conservation. Before releasing the animals, it is important to assess the habitat suitability of the areas to support the existence of the animals in the long run. Yet, there is limited study of habitat suitability assessment on national parks as release locations for wild animals. This study aimed to assess the suitable habitat of five charismatic animal species, i.e., Panthera pardus melas, Hylobates moloch, Prinonailurus bengalensis, Nycticebus javanicus, and Nisaetus bartelsi, in Gunung Halimun Salak National Park using Maxent, and to determine potential locations for releasing animal’s species. Models for the P. p. melas show 47,619 ha and 21,391 ha, respectively, suitable as habitat and potential release location, for H. moloch, each is 57,537 ha and 33,471 ha, for P. bengalensis, each is 25,460 ha and 17.189 ha, for N. javanicus, each is 29,848 ha and 15,578 ha, and for N. bartelsi, each is 44,426 ha and 25,660 ha. Our study shows that a suitable habitat can be critical in choosing a wildlife release site. Further consideration of conflict mitigation and practicalities is required to achieve the long-term existence of released species.
Development of Land Cover and Carbon Storage in Plawangan Hill of Gunung Merapi National Park, Yogyakarta, Using Landsat Data Series 2009, 2013, 2017, and 2023 Khan, Kamran; Sadono, Ronggo; Wilopo, Wahyu; Hermawan, Much. Taufik Tri
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.30.1.107

Abstract

Globally, habitat loss, deforestation, and climate change are mostly caused by land cover changes (LCC). The amount of land covered by trees has had a major impact on global warming and climate change. Increasing the amount of land cover helps to mitigate climate change and global warming. This study aims to investigate the changes in land cover and carbon storage in Plawangan Hill, Indonesia, over four years (2009, 2013, 2017, and 2023). The study site was defined as a conservation area that has been periodically impacted both directly and indirectly by volcanic eruptions. Images from Landsat 7 and 8 were used to collect data. Additionally, land cover changes were assessed using the forest canopy density (FCD Mapper) model, which was then utilized to quantify the carbon storage of the research site. The findings demonstrated fluctuations in land cover changes between 2009 and 2023. Additionally, changes in land cover have a direct impact on changes in carbon storage. The age of the trees, type of vegetation, succession stage, and history of eruptions were the variables that were apparent to be the main causes of these changes.
Growth, Yield, and Stem Quality of Tectona grandis Grown with Different Spacings at Longuza Forest Plantation, Tanzania Samamba, Enos; Chamshama, Shabani Athumani Omari; Mwambusi, Japhet Noah
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.30.1.138

Abstract

Spacing is a silvicultural practice that affects the growth of trees in forest plantations. However, the yield depends on growth, which is determined by spacing. In addition, spacing influences the quantity of the final crop available for harvesting, specifically in forest plantations for sawlog production. Spacing is also used as a management practice to control the quality of trees, as dense stands are expected to have trees with good stem quality. However, little has been done to address the effects of spacing on the growth, yield, and stem quality of Tectona grandis until final harvesting age. Teak plantations in Tanzania are grown at a rotation age of 20 years. Thus, this study aimed to assess the effect of spacing on the growth, yield, and stem quality of 24-year-old T. grandis in a Longuza Forest plantation in Muheza, Tanzania. Data were collected from a spacing trial using a randomized complete block design with three treatments: 2 m × 2 m, 3 × 3 m, and 4 m × 4 m, with three replications. The growth and yield parameters assessed were diameter at breast height (dbh) total tree height, and stem quality. Data were analyzed to obtain the basal area, volume, and mean annual increment. Statistical analysis was performed using analysis of variance (ANOVA), and multiple comparisons among treatment means were performed using Tukey's honest significant difference test (p-value = 0.05). The results showed that spacing did not significantly affect growth and yield parameters. The stem quality was significantly different in some treatments. The highest dbh and height growth were observed at 4 m× 4 m spacing. The highest values of basal area, volume, and mean annual increment were observed at a 3 m× 3 m spacing. Stem quality differed significantly between the 2 m× 2 m and 4 m× 4 m spacings. Because teak plantations in Tanzania are aimed at sawlog production, it is recommended to continue practising a spacing of 3 m× 3 m, which will ensure a higher mean annual increment with a higher volume at the stand level. In addition, a spacing of 3 m × 3 m ensured a higher percentage of trees with good stem quality.
Distribution of Stingless Bee (Trigona spp.) from Meliponiculture in South Sumatra Province, Indonesia Rahmad, Beni; Damiri, Nurhayati; Hanafiah, Zazili; Adriani, Dessy
Jurnal Manajemen Hutan Tropika Vol. 30 No. 2 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.2.227

Abstract

This study aims to determine species distribution by observing the stingless bees cultivated by the community in South Sumatra Province using meliponiculture. By visiting boxes and studying the entrance and characteristics of stingless bee hives at each research location, bee samples were obtained in six districts or cities where beekeepers exist. The study was conducted from January 2023 to May 2023. The type of bee species was identified in each culture box, the diameter of the entrance was measured, and the diameters of the honey pot and brood cell pot were measured. A descriptive analysis was performed to gain an overview of each entrance and nest. Based on the identification results, eight different varieties of stingless bees were discovered. Each research site had an unequal distribution of the eight varieties of bees. Lepidotrigona terminata, Heterotrigona itama, Lophotrigona canifrons, Geniotrigona thoracica, Tetrigona apicalis, Tetragonula testaceitarsis, Tetragonula fuscobalateata, and Tetragonula laeviceps are examples of stingless bees. Variations in the size of identified stingless bees affect the size of the hive, brood cell, honey pot, and entrance. The nest, brood cells, honey pot, and entrance grow in proportion to the size of the stingless bee. Differences in the form and size of the entrance can also distinguish between species.
Measuring Effectiveness of SMART Patrol in Biodiversity Protection of Rimbang Baling and Bukit Betabuh, Sumatra Fardilla, Antika; Novarino, Wilson; Widodo, Febri Anggriawan; Hendra, Jon; Aadrean
Jurnal Manajemen Hutan Tropika Vol. 30 No. 2 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.2.180

Abstract

The main authorities and practitioners face crucial challenges in safeguarding wildlife and conservation areas due to massive direct anthropogenic disturbances, such as illegal logging, habitat conversion into human development areas, and wildlife poaching. Therefore, measuring the effectiveness of wildlife and habitat protection is essential for wider conservation intervention. This study aimed to examine patrol effectiveness using measurable effort and parameters of SMART-based data collection in Rimbang Baling and Bukit Betabuh, Sumatra. We conducted a series of planned SMART-based data collections in designated patrol blocks of Rimbang Baling from 2014 to 2018. We implemented catch per unit effort (CPUE) measurement by the number of detected illegal activities and then a generalized linear model (GLM) to assess the relationship between patrol efforts and threat numbers. This study covered 209 patrols within 2,129 patrol days, 13,153.05 patrol hours, and 14,864 km. The CPUE value decreased from 0.381 to 0.191. Our GLM showed that patrol efforts significantly reduced threat numbers. This study provides new knowledge regarding SMART-based data collection and its ability to increase the effectiveness of patrols in promoting better protection and threat reduction in conservation areas in Indonesia.
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.

Page 49 of 55 | Total Record : 547

 47   48   49   50   51 

Filter by Year

1999 2026


Reset
Filter By Issues
All Issue Vol. 32 No. 1 (2026) Vol. 31 No. 3 (2025) Vol. 31 No. 2 (2025) Vol. 31 No. 1 (2025) Vol. 30 No. 3 (2024) Vol. 30 No. 2 (2024) Vol. 30 No. 1 (2024) Vol. 29 No. 3 (2023) Vol. 29 No. 2 (2023) Vol. 29 No. 1 (2023) Vol. 28 No. 3 (2022) Vol. 28 No. 2 (2022) Vol. 28 No. 1 (2022) Vol. 27 No. 3 (2021) Vol. 27 No. 2 (2021) Vol. 27 No. 1 (2021) Vol. 27 (2021): Thematics Edition: Forestry Land Reform in Indonesia: The Paradoxes Vol. 26 No. 3 (2020) Vol. 26 No. 2 (2020) Vol. 26 No. 1 (2020) Vol. 25 No. 3 (2019) Vol. 25 No. 2 (2019) Vol. 25 No. 1 (2019) Vol. 24 No. 3 (2018) Vol. 24 No. 2 (2018) Vol. 24 No. 1 (2018) Vol. 23 No. 3 (2017) Vol. 23 No. 2 (2017) Vol. 23 No. 1 (2017) Vol. 22 No. 3 (2016) Vol. 22 No. 2 (2016) Vol. 22 No. 1 (2016) Vol. 21 No. 3 (2015) Vol. 21 No. 2 (2015) Vol. 21 No. 1 (2015) Vol. 20 No. 3 (2014) Vol. 20 No. 2 (2014) Vol. 20 No. 1 (2014) Vol. 19 No. 3 (2013) Vol. 19 No. 2 (2013) Vol. 19 No. 1 (2013) Vol. 18 No. 3 (2012) Vol. 18 No. 2 (2012) Vol. 18 No. 1 (2012) Vol. 17 No. 3 (2011) Vol. 17 No. 2 (2011) Vol. 17 No. 1 (2011) Vol. 16 No. 3 (2010) Vol. 16 No. 2 (2010) Vol. 16 No. 1 (2010) Vol. 15 No. 3 (2009) Vol. 15 No. 2 (2009) Vol. 15 No. 1 (2009) Vol. 14 No. 3 (2008) Vol. 14 No. 2 (2008) Vol. 14 No. 1 (2008) Vol. 13 No. 3 (2007) Vol. 13 No. 2 (2007) Vol. 13 No. 1 (2007) Vol. 12 No. 3 (2006) Vol. 12 No. 2 (2006) Vol. 12 No. 1 (2006) Vol. 11 No. 2 (2005) Vol. 11 No. 1 (2005) Vol. 10 No. 2 (2004) Vol. 10 No. 1 (2004) Vol. 9 No. 2 (2003) Vol. 9 No. 1 (2003) Vol. 8 No. 2 (2002) Vol. 8 No. 1 (2002) Vol. 7 No. 2 (2001) Vol. 7 No. 1 (2001) Vol. 6 No. 2 (2000) Vol. 6 No. 1 (2000) Vol. 5 No. 2 (1999) Vol. 5 No. 1 (1999) More Issue