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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 537 Documents
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Epidemiologi Hawar Daun Bibit Pinus Merkusii yang Disebabkan oleh Pestalotia theae Sutarman; Hadi, Soetrisno; Saefuddin, Asep; Achmad; Suryani, Ani
Jurnal Manajemen Hutan Tropika Vol. 10 No. 1 (2004)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The objectives of the study are as follows: to know the interrelationships between the weather components as well as Pestalotia theae's aerial conidiospore population and the development of needle blight on Pinus merkusii seedlings, and to determine the effect of nursery site on the early development of the disease. Two week's average without interval model is the most reliable model to be used for determining the interrelationship between the development of the disease severity and the weather components. Light duration, rain fall, relative humidity and temperature are the weather components significantly affect the increase of the disease severity. The nursery in Pongpoklandak, Cianjur (26,5 - 30,5 oC; RH: 92-98 %), West Java, is the most optimal location for the development of the disease. To maintain the Disease Index at the most about 25 on seedlings over 6 months old, is the key factor for the successful management of needle blight on P. merkusii seedlings in the nursery.
Format Sistem Bagi Hasil dalam Pengelolaan Hutan Bersama Masyarakat dengan Sistem Agroforestri Noorvitastri, Hanny; Wijayanto, Nurheni
Jurnal Manajemen Hutan Tropika Vol. 9 No. 1 (2003)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The purposes of this research are to know the feasibility of the sharing form, to find the sharing form which can improve of forest quality and local society welfare, and to identify factors which influence the sharing form implemented by PT.Perhutani and local society. This research was carried out in Cileuya village, Cimahi subdirect, Kuningan regency. The sharing form implemented by PT.Perhutani and local society who lives surrounding the forest was 20percent : 80percent. The mechanism of the sharing was for the primary plants that is super teak. PT. Perhutani get 80percent, while the society get 20percent For bananas, petai and mango tree, PT. Perhutani get 20percent while the society get 80percent. To know the feasibility the sharing form, the study then used NPV, BCR and lRR project indicators. Among all of the sharing form examined, the study found that the sharing form of 25percent : 75percent was the most feasible one to be used than others.
Nilai Ekonomi Air Domestik dan Irigasi Pertanian: Studi Kasus di Desa-Desa Sekitar Kawasan Taman Nasional Gunung Halimun Widada; Darusman, Dudung
Jurnal Manajemen Hutan Tropika Vol. 10 No. 1 (2004)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The hydrological function of Gunung Halimun National Park (GHNP) has enormous benefit for local people. To predict the monetary benefit of water stemming from the park, the research was conducted by taking 13 representative samples of villages surrounding GHNP. Through the economic valuation, this research found out that the total economic value (TEV) water was Rp 6.64 billion per year, consisting of water value for domestic uses (Rp 5.22 billion), and water value for agriculture uses (Rp 1.42 billion). The TEV of the water equal to Rp 6.64 billion (Rp 173.278,47 per ha) is representing economic benefit value of water stemming from area TNGH for the community of 51 villages which abut on direct by TNGH. The monetary value certainly will be bigger if we look at the area broader as the all area of watershed function. The enormous benefit value of water (domestic and the agriculture) prove that development of conservation area (in this case is GHNP) do not oppose against economic development.
Some Factors Affecting Seed Viability of Leucaena leucocephala (Lmk. de Witt.) Darma, I.G.K. Tapa
Jurnal Manajemen Hutan Tropika Vol. 9 No. 1 (2003)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This study objective to determine (1) when appropriate harvesting peas, (2) methods of seed extraction by drying, (3) fungal pathogen attack young Leucaena leucocephala seed pods. Time proper harvesting is 62 days after flower buds. At this time reached the highest seed germination of 97.25%. Drying by blowing warm air without producing the lowest open pods compared with a gust of air drying with hot air blowing, the number of pods open: 20% of the pods No. 9; 21% of the pods No. 10; and 41% of the pod No .11 with the relative seed germination highest compared with other drying the second consecutive 87.13%, 44.25%, and 19.75%. However, the germination of seeds from the seed extraction method by blowing air without heating is still lower than the control. Pathogen fungus that attacks the seeds were Aspergillus sp. Alternaria sp., Pythium sp., and one unidentified species.
Genus Fungi pada Tanah Hutan Mangrove Tercemar Logam Berat di Muara Angke DKI Jakarta ., Achmad; Nurhayati, Pertiwi Wahyu
Jurnal Manajemen Hutan Tropika Vol. 10 No. 2 (2004)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Mangrove soils in Muara Angke Jakarta were suspected to be polluted with heavy metals. This study describes the analysis to the heavy metal content in those polluted soils. The fungus on those soils was isolated and identified. Results show that heavy metal content of soils of Muara Angke was high, i.e., 1.53 ppm for Pb, 4.59 ppm for Cu and 22.55 ppb for Hg. The fungi that were isolated included Penicilium sp., Eupenicillium sp., Talaromyces sp., Aspergillus sp., Trichoderma sp., and sterile fungi, i.e., fungi that did not produce conidia on PDA medium.
Perhutanan Sosial dan Peubah-peubah Sosiologi yang Harus Diperhatikan: Sebuah Tinjauan Teoritis Hendarto, Kresno Agus
Jurnal Manajemen Hutan Tropika Vol. 9 No. 1 (2003)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The inability of industrial forestry to benefit the rural poor or address the increasing rate of deforestation in Indonesia has led to a major shift in direction of forest resource management. In national forestry meeting, July 10 until 12, 2002, Minister of Forestry declared social forestry as national forestry program. Social science as a whole has had very minor role in forest management over the last century. Economics was the sole social science discipline welcomed by forest managers in the old paradigm of forest management. Economists helped forest managers determine the optimal combination of inputs to maximize financial benefits from a given parcel of forestland. They also assisted with market analysis, labor studies, and other financial dimensions of forest management. In this paper, we will first review the conceptual of social forestry. We also review literature on sociological variables that can help policy-markers improve the quality of public involvement in social forestry planning and development. Finally, we will give alternative additional of sociological variable social forestry in Indonesia such as gender equality, fairness, appreciation for local spesies, and mutual trust in stakeholder that must be taken note.
Prediksi Kebutuhan Hutan Kota Berbasis Oksigen di Kota Padang, Sumatera Barat Septriana, Diana; Indrawan, Andry; Dahlan, Endes Nurfilmarasa; Jaya, I Nengah Surati
Jurnal Manajemen Hutan Tropika Vol. 10 No. 2 (2004)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The study describes a method for predicting urban forest area in Padang City based upon oxygen needs. The result shows that the needs of urban forest in Padang City increase continously, mainly due to the increase of industries. Since the year 2002, the spatial analysis also found that the significant increase of the urban forest need occurred in Lubuk Kilangan disctrict, i.e., approximately 368,88 hectares per year. In the year 2020, the estimate needs of urban forest in all Padang City are 14,894.61 hectares. This need is approximately 53% of the area. Furthermore, the extent of urban forest is still sufficient for supplying oxigen up to the year 2020. However, it is also the spatial analysis shows that urban forest (vegetated area) are not evenly distributed in the centers of economic activities (e.g. settlement, industries, shopping centre, etc). Key words : ,
Determining the stem volume of a tree M Muhdin
Jurnal Manajemen Hutan Tropika Vol. 9 No. 1 (2003)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Determining the stem volume of a tree has long been a problem for foresters, whereas, the need for an accurate estimate of wood volume is becoming more important. six volume equations were used and compared, for both constructing and validating models using data collected from Gmelina arborea Roxb. in the area P.T. Wanaksita Nusantara, Province of Jambi, Indonesia. The best equation obtained from model construction (fitting) step for a data may not necessarily be the best performance (shown from bias, precision and accuracy) for another data set though collected from the same population. For testing the occuracy of model, model validation is an important step in model construction process in order to get the best tree volume equation.
Memfasilitasi Pengelolaan Hutan Kolaboratif Menggunakan Pemodelan Dinamika Sistem Purnomo, Herry
Jurnal Manajemen Hutan Tropika Vol. 10 No. 2 (2004)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Increasing forest degradation and community poverty are painful. Meanwhile, the behaviors of forest resources and their stakeholders are poorly understood. Systems dynamics is an approach, which is able to capture the complexity, dynamics and uncertainty of the management of forest resources and to develop future scenarios. This approach is not sufficient, however, if it is not placed in the multi-stakeholder context, where each stakeholder plays an important role. This paper discusses the use of systems dynamic as a tool to facilitate multi-stakeholder process and social learning towards sustainable and equitable forest management. A case study was conducted at Darmaga Experimental Forest, Bogor using software ‘The Bridge’. ‘The Bridge’ facilitated the Darmaga Forest stakeholders to articulate their future vision, strategy and its indicators. Then, they were converted into a systems dynamic model where the future scenarios could be drawn and learned.
Evaluasi Kerusakan Tegakan Tinggal Akibat Pemanenan Menggunakan Landsat 7 ETM+ di HPH PT Sari Buana Dumai Provinsi Riau Susilawati; Jaya, I Nengah Surati
Jurnal Manajemen Hutan Tropika Vol. 9 No. 1 (2003)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This paper describes the use of Landsat 7 ETM+ for evaluating logged over stand condition. The digital classification and spatial analysis were performed to identity degree of stand damage and their spatial distribution. The study found that Landsat 7 ETM+ images were powerful to identify logged over stand damage having Kappa and overall accuracies more than 99%, as well as interclass separability more than 1900 (good). There is also a spatial relationship between the stand damage and distance from the logging road.

Page 7 of 54 | Total Record : 537

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