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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 547 Documents
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Candlenut Tree Management on People Forest in Tanah Pinem Subdistrict, Dairi Regency, Indonesia Tetty Pryska Herawaty Sihombing; Hardjanto; Nurheni Wijayanto
Jurnal Manajemen Hutan Tropika Vol. 19 No. 1 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Candlenut tree is one of the multipurpose tree species because almost all parts of the plant can be utilized. The candlenut trees grow and are distributed in all provinces of Indonesia. Tanah Pinem in Dairi Regency is one of the candlenut-producer area. The objectives of this study were to learn and describe the management of candlenut tree in Tanah Pinem Subdistrict. The research was conducted with survey method by collecting data in the field. Primary data were obtained through structured interviews, while secondary data were obtained from relevant institutions and previous researches. The data were analyzed and described to learn how the community manage the candlenut tree and the condition at that time. The results showed that the candlenut tree is one of the plants that are beneficial because it can be a source of income for the community and play a role in safeguarding the environmental conditions of Tanah Pinem subdistrict. However, the management of candlenut tree was not intensive. Area size and production of candlenut tree tended to decrease each year. About 90% of Tanah Pinem subdistrict topography are steep and very steep, and it is necessary to replant the land with trees such as candlenut to protect the land from erosion and landslide hazards.
Carbon Sequestration Potential in Aboveground Biomass of Hybrid Eucalyptus Plantation Forest Siti Latifah; Nurdin Sulistiyono
Jurnal Manajemen Hutan Tropika Vol. 19 No. 1 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Forests are a significant part of the global carbon cycle. Forests sequester carbon by conducting photosynthesis, which is the process of converting light energy to chemical energy and storing it in the chemical bonds of sugar. Carbon sequestration through forestry has the potential to play a significant role in ameliorating global environmental problems such as atmospheric accumulation of GHG's and climate change. The present investigation was carried out to determine carbon sequestration potential of hybrid Eucalyptus. This study was conducted primarily to develop a prediction model of carbon storage capacity for plantation forest of hybrid Eucalyptus in Aek Nauli, Simalungun District, North Sumatera. Models were tested and assessed for statistical validity and accuracy in predicting biomass and carbon, based on determination coefficient (R) and correlation coefficient (r), aggregative deviation percentage (AgD), and the average deviation percentage (AvD). The best general model to estimate the biomass of hybrid Eucalyptus was Y = 1351,09x^0,876. e^(0,094). Results showed that hybrid Eucalyptus had an average above-ground biomass in year 0 (the land without the eucalyptus trees) up to year 3 as large as 1.36, 11.56, 43.18, and 63.84 t ha. The carbon content of hybrid Eucalyptus were 0.61, 5.2, 19.43 t^(-1), and 28,73 t^(-1) C ha while the carbon sequestration potential were 2.23, 19.08, 71.31, and 105.43 t^(-1) CO ha^(-1) respectively.
Performance of Coral Reef Management within Marine Protected Areas: Integrating Ecological, Socioeconomic, Technological, and Institutional Dimensions Roni Bawole; Victor Rumere; Mudjirahayu; Thomas Frans Pattiasina
Jurnal Manajemen Hutan Tropika Vol. 19 No. 1 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This research studied the characteristics and approaches that contributed to the successful of coral reef management (CRM) efforts. One such characteristic occurred in most case studies was the importance of integrating ecological, socio-economic, technological use, and institutional dimensions during all processes. Based on a multi-dimensional analysis, the sustainability of CRM was 56.34% cumulatively, indicating a moderate level of management. This study further suggested the importance to improve technology and institution to achieve an effective CRM since both dimensions have contributed only 38.80% and 49.26% respectively. Stakeholder involvement was also central to the success of networking development within the management of Cenderawasih Bay National Park, specifically in facilitating the integration of ecological, socioeconomic, political will, and local cultural objectives in achieving an optimum planning objectives. Compilations of baselin information (both scientific and local knowledge) were important to evaluate the effectiveness of all processes and for adaptive management to increase its potential in the management strategies. Balancing the integration of all management dimensions (ecology, socio-economic, technology, and institution) in the whole processes with specific attributes in each case, would lead to an adaptive management for the implementation of conservation and management process.
Review of Collaboration between NMWCP and REDD+ in Supporting Sustainable Forest Management in Papua Gun Mardiatmoko
Jurnal Manajemen Hutan Tropika Vol. 19 No. 1 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Various programs on sustainable forest-soil-water management have been developed and occasionally conducted by the Indonesian Ministry of Forestry, Ministry of Agriculture, and Ministry of Public Works under various programs. Unfortunately, the achievement of such programs were not satisfactorily. Currently, there exist 2 inter-sectoral initiatives called the National Movement for Water Conservation Partnership (NMWCP) that focused on water conservation and Reducing Emission from Deforestation and Forest Degradation (REDD+) that focused on emission reduction of greenhouse gasses through reducing deforestation and forest and land degradation. Both programs could be closely linked to carbon trade mechanism as a potential of gaining international financial supports. In principal and function-wise, the 2 programs were not distinct, particularly with regard to managing deforestation, forest degradation, forest-land-water conservation, and community empowerment/stakeholders. In principle, water conservation is inherent with forest function. In the other side, Papua is a vast region dominated by mountainous area comprises of many watersheds. In this regards, the need of having an Integrated Watershed Management (IWM) is inevitable. Therefore, collaboration between the 2 inter-sectoral programs could be the best solution for Papua. Through collaboration scheme, it would be possible to involve wider stakeholders and have more potential of generating international financial supports to carry out a more effective and efficient management of forest, land, and water.
Hydrological Services of Forests and Their Compensation Initiatives Hendrayanto; Sudarsono Soedomo
Jurnal Manajemen Hutan Tropika Vol. 19 No. 1 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Rapid decreas of natural forest, and more frequent disaster related to the roles of forest on precipitation, flood, drought, erosion, and sedimentation as well as landslides, biodiversity, and carbon sequestration have driven initiatives to find out economic instruments for raising incentives for better land rehabilitation and forest management. Payment or compensation for hydrological services of forest is one of economic instruments that was initiated to address water availability, flood and drought, erosion, and sedimentation issues. Hydrological services of forest to some extent are still debatable, and the magnitude of the services or influences of forest varies depending on the quality of forest cover and soil, climate, and physical characteristics of land. In most cases, payment or compensation schemes of forest services to the land owner or manager that have been implemented already, do not consider the actual forest hydrological services yet. Nevertheless, those payment schemes have been driving the activities of better land and forest uses, although they are still limited to small scales relative to the whole required area to produce forest hydrological services. This article reviews the hydrological services of forests and their compensation scheme developed in Indonesia.
Floristic Composition of Groundcover Vegetation after the 2010 Pyroclastic Fire on Mount Merapi Sutomo Sutomo; Dini Fardila
Jurnal Manajemen Hutan Tropika Vol. 19 No. 2 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Mount Merapi with its Merapi-type pyroclastic flows provides burnt and unburnt areas which are excellent to study establishment events of pioneer plant species. Using site comparison approach, floristic composition was studied, and thus an area that was burnt by pyroclastic flows in 2010 (Kalikuning) and another area that is relatively intact or unburnt (Kaliurang) was chosen as study sites. We found 7,817 individuals belonging to 72 species and 36 families in the burnt site, and 4,093 individuals belonging to 79 species and 39 families in the unburnt site. The most important family as determined by the Family Importance Value (FIV) was Rubiaceae in Kalikuning and Asteraceae in Kaliurang. In terms of Importance Value Index (IVI), Borreria occimoides (Rubiaceae) and Eupatorium riparium (Asteraceae) were the most important species in Kalikuning and Kaliurang, respectively. Multivariate approach using Non-metric Multidimensional Scaling ordination technique showed that floristic composition in the newly burnt site were different with those that occupying the intact site (RANOSIM = 0.72). Borreria occimoides, Eupatorium riparium, Athyrium dilatatum, Paspalum conjugatum, Brachiaria reptans, and Selaginella doederleinii were the species mainly responsible in explaining the differences between sites.  DOI: 10.7226/jtfm.19.2.85
Recuperation of Non-commercial Trees in Logged Forest in Southern Papua, Indonesia Agustinus Murdjoko
Jurnal Manajemen Hutan Tropika Vol. 19 No. 2 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.044 KB) | DOI: 10.7226/jtfm.19.2.94-102

Abstract

Someparts of forest in southern Papua Indonesia is used as production forest.  Therefore, cutting is one of factors which has impact to population of trees.  Research was done to see recuperation of non-commercial species (Actinodaphne nitida, Blumeodendron sp.) in logged area.  Integral Projection Models (IPMs) were applied to analyze population dynamics of the 2 species.  Mortality, growth, fecundity, autocorrelation of growth were included in IPMs.  Data were collected from 3 permanent sample plots (3 ha) between 2005-2009 in PT. Tunas Sawaerma, Assiki, and Boven Digul.  Data showed a significance in autocorrelation of growth.  In this research, IPMs can be used to describe recuperation  of the tree species.  Population dynamics occur in which trees have the same survival probability among diameter size, while growth of trees and autocorrelations contribute to the change of population structure of trees.  Elastisity test of growth autocorrelation pointed out that A. nitida and Blumeodendron sp remain to grow faster over time and have a larger contribution to population growth than other species.  In addition, the more faster-growing individuals will have the more significant contributions for population growth rate of A. nitida and Blumeodendron sp.  
Arbuscular Mycorrhizal Fungi and Biochar Improved Early Growth of Neem (Melia azedarach Linn.) Seedling Under Greenhouse Conditions Sri Wilarso Budi; Luluk Setyaningsih
Jurnal Manajemen Hutan Tropika Vol. 19 No. 2 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (521.895 KB) | DOI: 10.7226/jtfm.19.2.103

Abstract

The objective of this research was to determine the effect of biochar on the seedling quality index and growth of neem tree seedlings and arbuscular mycorrhizal fungi (AMF) development  grown on ultisol  soil medium.  Two factors in completely randomised experimental design was conducted under green house conditions and Duncan Multiple Range Test was used to analyse the data. The results showed that neem seedling quality index was improved by interaction of AMF fungi and biochar amandment. The growth of neem seedling was significantly increased by interactions of arbuscular mycorrhizal fungi and biochar.  The combination  treatment of Glomus etunicatum and biochar 10% gave best results of height and diameter, and significantly increased by 712% and 303% respectively, as compared to control plant, while the combination treatment of Gigaspora margarita and biochar 10% gave the best result of shoot dry weight, and root dry weight and significantly increase by 4,547% and 6,957% as compared to control plant.  The mycorrhizal root colonization was increased with increasing biochar added, but decreases when 15% of biochar was applied.  N, P, and K uptake of 12 weeks neem seedling old was higher and significantly increased as compared to control plant.
Development of Small Holder Plantation Forests: An Analysis from Policy Process Perspective Hariadi Kartodihardjo; Bramasto Nugroho; Didik Suhardjito; Ahmad Dermawan
Jurnal Manajemen Hutan Tropika Vol. 19 No. 2 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (528.174 KB) | DOI: 10.7226/jtfm.19.2.111

Abstract

This research was conducted to learn the inhibiting factors for renewal of forest utilization policy, particularly the policy of small holder plantation forests/HTR), by government. To achieve the objective of this research, there were studies on contents of law and regulations, respond of stakeholders toward those law-regulations, and problem of contents and constraints of law and regulations improvement through analysis approach of policy making process. It was found that technical constraints in HTR development were weak provision of forest territory and poor institutional strengthening of the participant community to be ready to receive permit or fund for HTR development.  Such phenomena were due to contents of HTR policy which have more tendencies to answer the problem of absence of bureaucracy and administration procedure which should be determined on the basis of authorities of agencies of central and local government, rather than answering the problem faced by HTR participant community. Policy narrative in the past period in implementing large business policy of natural forest utilization were still dominant, accompanied with weak consideration in making and implementing policy toward forest territory conflict and weak socio-economic and bargaining position of the community, resulting in expensive public service which could not fulfill the community's need.  
Management Effectiveness of Southeast Aru Islands Marine Conservation Area Fernando Dayandri Willem Dangeubun; Budy Wiryawan; . Mustaruddin; Ari Purbayanto
Jurnal Manajemen Hutan Tropika Vol. 19 No. 2 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (526.242 KB) | DOI: 10.7226/jtfm.19.2.119

Abstract

Southeast Aru Islands Marine Conservation Area (SE Aru MCA) has been existed for nearly 21 years, a period that long enough for a timely evaluation about how far improvement of management has been made in the area in question, i.e. whether management has improved situation of local communities and marine resources availability in the area. This study, therefore, aims at assessing management effectiveness and impacts of SE Aru MCA. Results suggest that the MCA, which was originally established as a marine nature reserve (Cagar Alam Laut, CAL) in 1991 and changed status into marine sanctuary in 2009, has not yet produced the expected positive impacts. Assessment using available tools indicated that the management level of SE Aru MCA is at level 1, with percentage of 34.12%, meaning it is still at initiation stage and less effective in terms of management outcomes. Index of conservation area effectiveness with a value of 0.387 shows that the overall conservation area in the 3 categories mentioned above is less effective, therefore conservation effect has not been able to solve area problems. It is concluded that, after more than 20 years exists in the area, few benefits have been produced by SE Aru MCA for local people associated with it and biological resources in it.

Page 23 of 55 | Total Record : 547

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