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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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Local Community Participation in Ecotourism Development: a Critical Analysis of Selected Published Literature Sudhiani Pratiwi
Jurnal Manajemen Hutan Tropika Vol. 12 No. 2 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Banyak faktor yang mempengaruhi sukses tidaknya pengembangan ekowisata. Salah satu faktornya ialah partisipasi masyarakat lokal. Studi ini meneliti bagaimana masyarakat lokal berpartisipasi atau dilibatkan dalam pengembangan ekowisata melalui identifikasi proses penetapan tujuan pengembangan ekowisata dan level partisipasi dimana masyarakat terlibat atau dilibatkan.Informasi dikumpulkan dari data sekunder seperti laporan-laporan penelitian atau proyek yang dipublikasikan. Tujuh puluh tiga studi studi kasus berhasil dikumpulkan, di-review, dan kemudian di analisis dengan metode content analysis. Hasil studi mengindikasikan bahwa tujuan dari kebanyakan pengembangan ekowisata adalah untuk meningkatkan kapasitas masyarakat lokal. Namun demikian, tujuan kegiatan ini umumnya ditetapkan oleh pihak luar (outsider driven) danmasyarakat lokal hanya dilibatkan hanya pada level pelaksanaan (process nominal and action initiation).Keywords: ecotourism, local community, participation, levels of participation, development, content analysis, case study
Antifungal Activities of The Extracts From Some Tropical and Temperate Woods Tata Darma; Masaya Mitani; Kazutaka Itoh; Sanro Tachibana; Yutaka Tamai
Jurnal Manajemen Hutan Tropika Vol. 12 No. 2 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Empat flavonoids (Sciadopitysin) (1), Ginkgetin (2), Ishorhamnetin (3), dan Quercetin (4), dua Texanes (Taxinine) (5) dan Taxol (6), dan Phenylisoserine methyl ester (7) dapat diisolasi dari Taxus cuspadata var. nana. Senyawa (7) juga dapat diisolasi dari Taxus chinensis. Senyawa (7) dapat diisolasi untuk pertama kalinya masing-masing dari T. cuspidata var. nana dan T. chinensis.Aktivitas antifungus senyawa-senyawa yang terisolasi tersebut dan tujuh turunan taxinine terhadap tujuh fungi patogenik tanaman (Cochliobolus miyabeanus, Alternaria kikuchiana, Giberella fujikuroi, Cladosporium cucumenium, Fusarium oxysporum, Colletotrichum fragariae dan Corynespora cassiicola) telah diukur. Taxinine dan tujuh turunan taxinine menunjukkan adanya aktivitas antifungus terhadap lima jenis fungi. Diantara tiga jenis kayu tropis (Amboyna,Kempas,Angsana),kayu Amboyna menunjukkan aktivitas antifungus terhadap empat fungi dari basidiomycetes (Le,Pp,G3,dan PLI). Selanjutnya, ekstrak methanolic dan fraksi larutnya nhexane dan ethyl ether dari kayu Amboyna menunjukkan aktivitas antifungus terhadap fungus Pp.Kata kunci: Antifungi, flavonoid, Texanes, phenylisoserine methyl ester, kayu tropis dan temperate, fungi patogenik tanaman, basidiomycetes.
Studi Intensitas Cahaya Dan Cendawan Mikoriza Arbuskula Pada Permudaan Alam Ramin (Gonystylus Bancanus (Miq.) Kurz) (Study on Arbuscular Mycorrhizal Fungi and Light Intensity to the Natural Regeneration of Ramin (Gonystylus bancanus (Miq.) Kurz)) Abdurrani Muin; Yadi Setiadi; Sri Wilarso Budi; Irdika Mansur; Endang Suhendang; Supiandi Sabiham
Jurnal Manajemen Hutan Tropika Vol. 12 No. 3 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The objective of this research is to find out the early information of optimum light intensity and highest mycorrhizal colonization on natural Ramin seedling which it includes in semitolerant plant. The research was conducted in Ramin Natural Forest of Sungai Pelunjung Labai, Sanggau District, West Kalimantan for a year. The results of the research show that there are correlations between light intensity with mycorrhizal colonization. Ramin seedling which grown under the light intensity 3190 – 9500 lux have high mycorrhizal colonization and their growth better than the other treatment. Meanwhile Ramin seedling which grown in closed area or in open area with light intensity less than 1670 lux and more than 10840 lux respectively have lower mycorrhizal colonization and their growth was lower.Key words: Ramón seedling  (G. bancnus), Light intensity and Mycorrhizal Fungi
Alternatif Penyelesaian Masalah Peraturan Perundangan: Sebuah Pelajaran Penataan Kelembagaan (A Solution Alternative on Law and Regulations Problem: A Lesson of Institutional Arrangement) Azis Khan
Jurnal Manajemen Hutan Tropika Vol. 14 No. 1 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This article is a conceptual review on Rova et. al. (2001) “When Regulation Fails: Vendace Fishery in the Gulf of Bothnia”. A relevant core message and its implication was drawn considered as a useful lesson learnt, especially for our future option on direction of natural resources management (NRM) reform, including that on forestry. There is a strong relationship between characteristic of natural resources, social conditions of its stakeholders and the institutional structure of its management. The institutional arrangement need to seriously taking into account this essential relationship; including efforts to guarantee that all resiliencies (institutional, managerial, social and ecological) are materialized. These resiliencies could be existed and mutually powerful if and only if the authority of the NRM was not centralized and was based on the NR characteristics by themselves. Need a serious institutional arrangement that is not just for having a restructured institution, but also have to materialize all the resiliencies and provide the consequences of having options for collective actions toward joint outcomes: the sustainability of the NRM. This is a core message actually implying to where the future NRM reform to be directed, especially from institution point of view.
Rancang Bangun Model Dampak Perubahan Penggunaan Lahan dalam Pembangunan HTI Pulp (Modeling Land Use Change Impacts around Developed HTI Pulp Concession Area) Donny Iskandar; Hadi S Alikodra; Hartrisari H Hardjomidjojo; Bambang Pramudya N
Jurnal Manajemen Hutan Tropika Vol. 12 No. 3 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This research aim to establish a land use change model purposed to figure a spatial ecological equilibrium out from the land used activities. The analyzing of these land use change impacts were adopted from modeling methods, based from system thinking approach. Although the analytical constructions dominated by social sciences, all methodologies were drawn from more than one field of discipline to analyze the nature-society-economy relationships. These interdisciplinary orientation combining concepts has some advantages in recognizing most complex variables in the real world than another functional approaches. The model has verified to validate in villages around the HTI concession area of Jambi Province which is managed by PT Wirakarya Sakti (WKS), and resulted some behavior patterns of land use changed that showed in descriptions as a whole. At last, sensitivity analysis of this model - like a game - has developed the “what if” input variables to predict situation of the future, and has resulted some options of scenario as decision support to the policy system framework.Keywords: Ecologycal equilibrium, HTI pulp concession area, land use change, modeling, system thinking approach, decision support system, Jambi.
Pengaruh Ukuran Benih Terhadap Perkecambahan dan Pertumbuhan Bibit Tanjung (Mimusops elengi L.) The Effect of Seed Size on Seed Germination and Growth of Tanjung (Mimusops elengi L.) Seedling N Nurhasybi; Eliya Suita
Jurnal Manajemen Hutan Tropika Vol. 14 No. 1 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Tanjung (Mimusops elengi) is a multipurpose tree species, besides the use of its wood for bridge, boat, floor, door, and furnitures, other parts of this tree such as root, leaves and bark, can be used for medicine. This species is one of tree species that potential be developed in planting programme. Tanjung seed has variation in weight and size that need information in how the variation will influence the germination and the seedling growth. The seed has been collected in Padang, West Sumatera. Research was done to examine the influence of seed size to the germination and physical quality of seedling by using the extracted seed. The seeds were divided into three parts in size including large, medium and small. The experiment design was completely ramdomized design. Every unit of the experiment consist of 3 replications that contain 100 seeds each replication for germination and 25 seedlings each replication for the growth of seedling. Sterilized medium for germination and the growth of seedling was mixed of soil and sand (v/v 1:1). The parameters to be observed were germination percentage and speed of germination, and height and diameter of seedling. The results indicated that for collection of tanjung (M. elengi) seeds should be done only at the large and medium size caused by the capability of the seed to grow to be seedling within 3 months in the nursery higher compared to the small size.  
Masalah Kapasitas Kelembagaan dan Arah Kebijakan Kehutanan: Studi Tiga Kasus ((Problem of Institutional Capacity and Direction of Forestry Policy: Three Cases Study) Hariadi Kartodihardjo
Jurnal Manajemen Hutan Tropika Vol. 12 No. 3 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

It has been shown by various references that performance of forestry development is determined by institutional capacity. This study was conducted to acquire knowledge of problem of forest management institution and policy change which should be able to be implemented. Studies in three locations and implementation of national policy indicated that forestry programs implemented by district/province government and central government were not accompanied by institutional strengthening efforts. The weaknesses of institution have been proven to be followed by policy failure to reach its target. Resistance to policy change stems from policy narrative and discource embedded in decision makers belief.Key words: institutional capacity, problem, policy narrative, discource
Diskursus dan Aktor dalam Pembuatan dan Implementasi Kebijakan Kehutanan: Masalah Kerangka Pendekatan Rasional (Discourses and Actors in the Forest Policy Formulation: Problems of Rational Framework) Hariadi Kartodihardjo
Jurnal Manajemen Hutan Tropika Vol. 14 No. 1 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This study was conducted to acquire how forest policy making process and implementation have been going on. The role of discourses, knowledge, actors and their networks determine effectiveness of policy debate to meet its goal. Forest policy making process and implementation was not occurred in a linear process as constructed in the rational framework. Imperfected knowledge creates dispute resolution. Effective interaction among actors to solve their diverse perception was determined by knowledge as well as discourses. The strength of actors and their networks and gap of their interest are significant factors to meet their agreed solution. The facts of forest policy process and implementation are expected to be understood by stakeholders and they should bear in mind that effort to improve performance of forestry development based on implementation of existing policy and policy reform remain unpredictable. This analysis are also expected to be used by stakeholders to get better policy intervention strategy.
Optimalisasi Alokasi Penggunaan Lahan di Sub DAS Ambang: Pendekatan Analitikal Hirarki Proses dan Goal Programming (Optimalization of Land Use Planning in Ambang Sub-Watershed: Analytical Hierarchy Process and Goal Programming Approach) Kresno Agus Hendarto
Jurnal Manajemen Hutan Tropika Vol. 14 No. 1 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The purpose of land use planning on a river basin or a watershed is "to promote the accomplishment of service wide objectives and targets" subject to the lands potential and the public's desires. This paper aimed to describe a representative formulation of the analitical hierarchi process and linear programming application and show how it may be modified for goal programming. The purposive sampling was used to collect primary data. From five persons were represented each stakeholders on a watershed. The secondary data was collected from the report of each stakeholders and internet. The results show that goal programing had generated considerable interest as a tool for land use planning in multiple goal situations. It does present problems in terms of somewhat difficult data requirements-linearity in its usual form, possible inferior solutions, and lack of explicit recognition of tradeoffs.
Kandungan Fosfor dan Kalsium pada Tanah dan Biomassa Hutan Rawa Gambut (Studi Kasus di Wilayah HPH PT. Diamond Raya Timber, Bagan Siapi-api, Provinsi Riau) I Istomo
Jurnal Manajemen Hutan Tropika Vol. 12 No. 3 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Research on the biomassa, distribution and content of P and Ca nutrients in the soil and biomass was conducted in a primary forest with peat thickness ranging between 2.5 to 6.5 m in the forest concession area (HPH) of PT. Diamond Raya Timber, Bagan Siapi-api, the Riau Province. The objective of the research was to obtain data on the content of P and Ca in the vegetation and peat soil layers at several levels of peat thickness. Research results showed that although vegetation biomass constituted only 6 % of the total biomass of vegetation and peat soil, contain of P nutrient as much as 37 % and Ca 28 % out of the total P or Ca nutrients occurring in vegetation and peat soil. Increasing of peat thickness because the total content of nutrients in the peat soil also increased, although the average content of nutrient per depth interval of 50 cm decreased. Increasing of peat thickness alse increased the content of P or Ca for tree stage vegetation, on the other hand, the content of P or Ca in herbs and shurbs, decreased. This phenomenon shows that on peat thickness more than 3 m only higher vegetation (trees vegetation) could survive properly. Contetnt of P or Ca nutrients occuring at above ground tree stage vegetation reach 64 % and 74 %. While for tree stage vegetation, the biggest nutrient content occurred in branches, nas follows 44 % foer P and 40 % for Ca. Pioneer trees species and lesser known timber in fact had the highest P and Ca elernent concentration. For the highest Ca elements were in timah-timah (Ilex bogoriensis- 14,02 g kg-1), milas (Parastemon urophyllum,13,72 kg-1) and suntai (Palaquium dasyphyllum; 13,13 g kg-1). While for P element of beringin (Ficus benyamina;20,1 g kg-1), punak (Tetramerista glabra; 1,91 g kg-1) and terentang (Camnosperma macrophylla; 1,59 g kg-1).

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