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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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Analisis Keuntungan Pengusahaan Hutan Pinus (Pinus Merkusii Jung Et De Vriese) Di KPH Pekalongan Barat (The Pine (Pinus merkusii Jung et de Vriese ) Forest Plantation Rentability Analysis In KPH West Pekalongan) Wahyu Andayani
Jurnal Manajemen Hutan Tropika Vol. 12 No. 3 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Economical value of the pine wood and resin in the last ten years has contributed significant revenue to the KPH West Pekalongan. This research is aimed to discover the optimum rotation of the development of forest pine to gain the maximum yield for the producer. The method used in this study is the analysis of the Land Expectation Value (LEV) by estimating the physical production function which developes the wood and resin at every plant rotation. The results of the analysis is that in the rotation of 20 years, the pine forest could produce maximum net yield/ net (profitability) /rentability from the sales of wood and resin, by using the real interest rate of 9,75% annually as follow : (a) In the third bonita is Rp. 1.546.945, 36/hectar/rotation and (b) in the fourth bonita is Rp. 2.032.392,56/hectar/rotation. By shortening the rotation from 35 years to 20 years, it results in the increasing yield of the forest pine plantation in KPH West Pakalongan of 6,1 % to 8,6% more than the real yield gained by the producer at present.Key words: Rentability, rotation, bonita, resin, LEV
Analisis Kebijakan Pengelolaan Sumberdaya Lahan pada Cagar Alam Pegunungan Cycloop (Analysis of Land Management Policy Resources at Preserve Cycloop Mountain) Yaconias Maintindom; Andry Indrawan; Hariadi Kartodihardjo
Jurnal Manajemen Hutan Tropika Vol. 12 No. 3 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

For that this Research aim to (a) analyses the optimal exploiting alternative to area preserve cycloop mountain (b) know the clean water source and economic value and (c) compile the strategy of development CAPC. Result of research indicate that, (a) CAPC more optimal done by activity of conservation and tourism B/C = 1, settlement and infrastructure 0, 965 or
Pemilihan Acacia mangium untuk Sumber Benih dengan Teknik Analisis Bip dan Korespondensi di Parungpanjang, Bogor, Jawa Barat Selection of Acacia mangium Willd. Provenances for Seed Source by Technique of Bi-plot and Correspondence Analysis at Parungpanjang, Bogor, West Java Nurhasybi Nurhasybi; Dede J Sudrajat; Komar Diatna
Jurnal Manajemen Hutan Tropika Vol. 14 No. 1 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Provenance trials is one of planting test activities aimed at finding the best provenance in a certain area of forest plantations. The best provenances can be used for establishing the seed sources in the location. The objective of this research was to identify the character or trait performed in every provenance of A. mangium to the observed variable and to see the relation between variables in order to find the potential provenances that can be developed as seed sources. Provenance trials stand as an object for this research was planted in 1995 in Parung Panjang Forest Research Area with Completely Random Block Design. The spacing in planting between trees was 3 metres located at 3 blocks. Number of provenances to be observed were 15 provenance. In every provenance was taken 5 trees sample randomly that equal to 75 trees in each block as representave of every provenance. Totally the sample trees was 225 trees from the 3 blocks. The variables to be observed in this research were tree height (X1), clear bole (X2), tree diameter (X3), tree volume (X4), stem form (X5), branching system (X6), dan bentuk tajuk (X7). Analisis yang digunakan dalam penelitian ini adalah analisis biplot dan korespondensi.  
Habitat Suitability of Javan Gibbon in Gunung Salak, West Java (Kesesuaian Habitat Owa Jawa di Gunung Salak, Jawa Barat) Wim Ikbal; Lilik Budi Prasetyo; Idung Risdiyanto
Jurnal Manajemen Hutan Tropika Vol. 14 No. 1 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Objective of this study was to provide spatial information of Javan gibbon habitat suitability and distribution in Gunung (Mt.) Salak area for Management Authority of Mt. Halimun-Salak National Park. Informations on Javan gibbon distribution was collected through a number of survey during December 2005–June 2006 in Kawah Ratu (Parakan Salak, Sukabumi), Pondok Wisata Cangkuang (Cidahu, Sukabumi), and Bobojong Village (Bogor). Twenty two groups were identified using direct count and triangle count method from over 47 identified positions. Habitat suitability was formulated based on10 ecogeographical variables (criteria), consisting of forest type (primary forest, secondary forest, low-land forest, and submontane forest), slope (0–15%, 15–45%, >45%), and distance to non-forested land, river/water body, and road/tracks. The result showed that Mt. Salak consisted of 13.20% (17.53 km2), 26.25% (34.86 km2), 19.40% (25.77 km2), 4.16% (5.53 km2), and 20.17% (26.78 km2) of high-suitable, suitable, moderate suitable, less and low suitable level subsequently, and 12.69 km2 or 9.56% was not suitable for Javan gibbon habitat. It was also revealed that that 3 and 9 groups were living in high suitable and suitable habitat respectively; 13 groups in moderate suitable, while for each less and low suitable habitat, 2 Javan gibbon groups lived in.
Simulasi Pembagian Batang Sistem Kayu Pendek pada Penebangan Pembagian Batang Kayu Serat Jenis Mangium (Simulation of Shortwood Bucking System on Bucking Pulpwood of Mangium) Ahmad Budiaman; Rendy Heryandi Prabowo
Jurnal Manajemen Hutan Tropika Vol. 14 No. 2 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This paper presented results of simulation of shortwood bucking system on bucking pulpwood of mangium (Acacia mangium) at an industrial plantation forest in South Kalimantan. A set of logs bucking policy of short wood system, which was applied in the state owned company (Perum Perhutani), was used in the bucking simulation, which divided logs into large logs assortment (KBB), medium logs assortment (KBS), and small logs assortment (KBK). The KBB represented veneerlogs, KBS represented sawlogs, whereas KBK represented pulplogs. The result of the study indicated that application of bucking in varieties wood assortments resulted in a potential number of high quality logs of mangium. The results of the proposed logs bucking were 22% large logs, 54% medium logs and 24% small logs. In the other side, application of pulpwood bucking policy only resulted to 4.7% large logs, 64.2% medium logs and 23.3% small logs.
Pembangunan, Deforestasi dan Perubahan Iklim (Development, Deforestation and Climate Change) Bowo Dwi Siswoko
Jurnal Manajemen Hutan Tropika Vol. 14 No. 2 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Natural resources utilities to fulfill human’s needs have been occurring massively since a concept of “progress” became human’s dreams. To achieve the progress, development concept that means as serious efforts to avoid damage and strive into betterment has emerged. The first development ideology that was emerged and developed was modernization. Industrialization as main character of modernization caused improvement in various aspects of life. From environmental aspect, economic improvement achieved has caused various environmental impacts that harmful to human’s life, such as deforestation, forest degradation and climate change. Since 1980’s, deforestation has extended to a very complex environmental issue globally. Deforestation could be seen as a side effect of a particular policy or political action. On the other hand, deforestation caused other various environmental problems, such as global warming. Global warming occurred since there was an increase of greenhouse gases concentration in the atmosphere. The relation among development, deforestation, and climate change was analyzed through analysis on power relation and conflict of interest among actors involved. The analysis showed that various strategies in development and environmental impact mitigations that conducted by developing countries were actually a form of power and knowledge domination of developed countries. Through international institutions, they are offering at one ment concepts in various schemes which imply particular missions that basically they still want to obtain profits from developing countries without taking the risks from the execution of the schemes.
Metode Perlakuan Pendahuluan untuk Penyimpanan Benih Melur pada Suhu Sangat Rendah (Pretreatment Method of Melur Seeds Storing at Extreme Low Temperature) Dida Syamsuwida; Aam Aminah
Jurnal Manajemen Hutan Tropika Vol. 14 No. 2 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Cryopreservation is a method of long term storage in which an extremely low temperature of nitrogen liquid (-196 oC) being used to preserve seeds of recalcitrant characteristics. The study was aimed to determine the standard protocol of vitrivication in melur (Podocarpus neriifolius) seeds storing in various cryoprotectans. The use of sucrose PVS2 and DMSO as a cryoprotectan were employed to protect the regularly-desiccated seeds during preserving in liquid nitrogen for 1 hour. Evaluation was made on the viability by germinating the seeds in green house. Randomized completely design of 3 factors was used in this study. The results revealed that seed moisture content was 53% after being desiccated using vaccuum-desicator for 24 hours and showed more than 85% of germination, in average. Vitrivicated seeds in DMSO for 2 hours performed 66.67% germination. Meanwhile, seeds in sucrose and PVS2 for 1 hour reached of 53.33% and 25.33% of germination, respectively. Preservation in liquid nitrogen for 1 hour did not succeed to keep any treated seeds as there was no germination found during viability testing.
Keragaman Struktur Tegakan Hutan Alam Sekunder (The Variability of Stand Structure of Logged-over Natural Forest) Muhdin; Endang Suhendang; Djoko Wahjono; Herry Purnomo; Istomo; Bintang C.H. Simangunsong
Jurnal Manajemen Hutan Tropika Vol. 14 No. 2 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Differences in logging intensity, forestfires and forest encroachment have caused the variability of natural forest conditions, including its horizontal and vertical stand structures. Information on stand structure variability and dynamic of secondary forests is essential for projecting the future stand structure, which can be used to develop forest management plan. This study, which used 109 permanent sample plots data established on low and dry-land logged over natural forests in Kalimantan, showed that there was an obvious variability of the stand conditions after logging in terms of the trees number per hectare and horizontal stand structures.
Casualty Per Cent dalam Perhitungan Etat Hutan Tanaman Jati Perum Perhutani (Casualty Per Cent on AAC Determination of Teak Forest Plantation in Perum Perhutani) Rohman
Jurnal Manajemen Hutan Tropika Vol. 14 No. 2 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The research was aimed to detect the change of forest area over planning periods to estimate casualty over production period of forest management. It is undeniable fact that teak plantation area has inevitable risk due to bad practices of illegal logging, deforestation, and forest degradation. However, Perum Perhutani does not consider these risk factors in the company yield regulation and annual allowable cut (AAC) determination. The results show that the percentage of forest area that changed into the higher age class by order from the lowest age class were 16.3% (age class I to II), 33.74% (age class II to III), 3.36% (age class III to IV), 31.54% (age class IV to V), 19.69% (age class V to VI), and 15.73 % (age class VI to VII). The casualty per cent calculated from age class I, II, III, IV, V, VI were 75%, 70%, 55%, 54%, 32%, and 16%, respectively. The AAC regarding to the casualty per cent for planning period 2005-2014 in Bagian Hutan Kradenan Utara was 595 m3/year, while the current AAC calculation was 1.840 m3/th, regardless the casualty percent.
Strategi Pemasaran Mebel Kayu Sentra Industri Kecil Pondok Bambu, Jakarta Timur (Wood Furniture Marketing Strategy on Pondok Bambu Small Industry Centre, East Jakarta) Yulius Hero; Sudaryanto; Dwi Juli Setyowati
Jurnal Manajemen Hutan Tropika Vol. 14 No. 2 (2008)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Furniture is one of wood products to fulfill the household needs, especially for household furnishing. Wood product which is used for furniture tends to decrease because of the substitution products, i.e.: plastic, rattan, bamboo, glass, and metal. To continue their effort, small industries in Indonesia face hard problems and challanges. To solve the hard problems and challenges, then a new marketing strategy through the study on marketing strategy of small wood-furniture industry is needed. This research objectives are to know several factors which have relation toward marketing of woodfurniture and compile alternative small industrial marketing strategy of wood-furniture. Research conducts in Small Industry Centre, Pondok Bambu, East Jakarta from June to July 2008. Some tools are used in this research, such as: questionaire, calculator, camera, and stationery. The method of data collection is purposive sampling with total amount of responden is 30 people-small industry owners. Data analysis uses regression and SWOT method (Strength, Weaknesses. Opportunities, Threath). Result of the research for the regression equation of wood-furniture marketing Y= 9,001 - 0,6798 X1 - 1,4834 X2 - 1,4834 X3 + 0,4818 X4 with value R2 is equal to 51.3%. Linearity test model indicates that F Calculated is 6.57 in significat level α = 1%. Factors that influence wood-furniture marketing of sale volume are variation of product, wood-furniture price, distribution system and promotion. The relation between sale volume with variable of product variation, wood-furniture price, and distribution system is significant with negative direction. It means that smaller product variation, lower wood-furniture price, and more efficient distribution system; will effect to higher sale volume. Whereas the relation between sale volume with variable of promotion is not significant with positive direction. It means that activity of promotion does not have any effect on sale volume of woodfurniture. This matter is caused by the same source of raw material and product design of woodfurniture which is used by small industry has relatively similar form as source of semi-finished product from Jepara. Market position according to SWOT matrix at 1st Quadrant is called SO ( Strength- Opportunities) position. It means that small industry of wood-furniture has to create strategy by using strength to exploit existing opportunity. Applications of SO strategy are by selling product at cheaper price, improving service to consumer, using strategic location to attract consumer and improving product quality.

Page 12 of 55 | Total Record : 547

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