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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 6 Documents
 1 
Search results for , issue "Vol. 17 No. 3 (2011)" : 6 Documents clear
Land Cover Types Differentiation through Normalized Difference Vegetation Index in the Lowland Rainforests of Papua New Guinea David Lopez Cornelio
Jurnal Manajemen Hutan Tropika Vol. 17 No. 3 (2011)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The accurate estimation of above ground biomass in the natural forests of Papua New Guinea is a key component for the successful implementation of the REDD policy in the country. Biomass densities in a lowland rainforest site located at the northeast of the country were differentiated with Landsat digital images throughout normalized difference vegetation index (NDVI). Submaps of 4,377.69 ha of bands 3 and 4 were georeferenced with affine transformation and a RMSE of 0.529. The calculated NDVI map was sliced to separate its pixel values into 5 classes as they are distributed in the histogram with the assistance of ground truth points. The method is simple, fast and reliable, however swampy palm forest could not be discriminated from dense forests; and different bare land types had to be grouped into a single major class. Therefore other vegetation indexes and/or band ratios are recommended to be tested using images of higher spatial resolution to accurately differentiate more classes.
Tradisi dan Perubahan Budi Daya Pohon di Desa Rambahan Kuansing dan Desa Ranggang Tanah Laut Didik Suharjito
Jurnal Manajemen Hutan Tropika Vol. 17 No. 3 (2011)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The phenomenon of widespread tree cultivation by local community in some countries during the last three decades has been explained by researchers with a macro perspective. This study is to understand the phenomenon at the micro level and from the native (peasant or farmer) point of view. This study aims to explain the tradition and changes in tree cultivation. Theoris economic system were used as the basis to explain the tradition and changes in tree cultivation in Rambahan village community of the Kuansing District and Ranggang Village community of Tanah Laut District. Case study method was used in this study. The data were collected from informants through individual interviews and focused group discussions. The results of this study show that the cultivation of trees has been practiced and institutionalized in the everyday lives of local people and passed down from generation to generation, as well as a source of socio-economic stability of families. Factors that farmers take into consideration in the selection of tree crops to be cultivated are price, easy to sell, harvesting intensity, knowledge and skills, labor availability (particularly family labor), and capital availability. The results of this study also indicate that some elements of the economic system of Ranggang and Rambahan communities have the characteristics of capitalism adherent, while some other elements have the characteristics of pre-capitalism. In other words, two communities are in a transition between pre-capitalism and capitalism as shown in the practice of tree cultivation.
Penerapan Reduced Impact Logging Menggunakan Monocable Winch Yosep Ruslim
Jurnal Manajemen Hutan Tropika Vol. 17 No. 3 (2011)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Forest harvesting still encounters many problems especially concerning impact to the residual stand and environmental damage. Implementing the reduced impact monocable winch and planning of good skid trails should have a positive impact on work efficiency as well as, reducing damage to the residual stand and soil during felling and skidding activities. Reduced impact logging (RIL) with a monocable winch (Pancang Tarik) system has been tried in several IUPHHKs and it can be concluded that RIL monocable winch system could be applied practically and reduce impact on residual stand and soil damage. Using this technology has many advantages, among others: cost efficiency, locally made, environmental friendly, and high local community participation. Application of the monocable winch system in reduced impact logging is an effort to reduce economical and environment damages when compared to conventional system of ground based skidding with bulldozer system. The aim of this research is to verify the efficiency (operational cost), effectiveness (productivity) and time consumption of monocable winch system. The results indicate that the implementation monocable winch system, has reduced the soil damage as much as 8% ha-1. The skidding cost with monocable system is Rp95.000 m-3. This figure is significantly cheaper if compare with ground base skidding with bulldozer system in which the skidding cost around Rp165.000 m-3.
Land Rights of Community Forest Plantation Policy: Analysis from an Institutional Perspective Bramasto Nugroho
Jurnal Manajemen Hutan Tropika Vol. 17 No. 3 (2011)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (74.813 KB) | DOI: 10.7226/jtfm.17.3.111

Abstract

This study aimed to describe the land rights of bussiness permit for timber utilization from community forestplantation (IUPHHK-HTR) in Indonesia and to predict its effectiveness based on property rights theory relatedto target group characteristics. Field survey was conducted in November 2008 to April 2009 in Riau and SouthKalimantan Provinces. The results showed that from the property rights theory perspective, the land rights forHTR could be categorized as lease or management rights consisted of rights to exclude, to manage, to use, andto access, without rights to transfer and to bequeath. This suggests that the mechanism of transfer of rights from the government to the holder of IUPHHK-HTR as a temporary transfer of rights. As a result, the government needs to regulate a rigid and detailed obligation for IUPHHK-HTR holders that may not be fulfilled by the farmers. The granting of permits for a long period (up to 95 years) is predicted to lose the meanings, caused of the prohibition on inheritance of the permits. From these findings it is predicted to reduce the interest of farmers to invest in the HTR.
Respons Hidrologi Akibat Deforestasi di DAS Barito Hulu, Kalimantan Tengah Moch. Anwar; Hidayat Pawitan; Kukuh Murtilaksono; I Nengah Surati Jaya
Jurnal Manajemen Hutan Tropika Vol. 17 No. 3 (2011)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The landcover change, particularly deforestation, can to affect of hydrological response on watershed.Deforestation of natural forest is identical to degradation of watershed functions, such as loos of land productivity due to increased soil erosion, runoff, evapotranspiration, and decreased of water storage. The main objective of this study is describes the hydrologic response on the Barito Hulu watershed due to landcover change (particularly deforestation) by the use Soil and Water Assessment Tool (SWAT) model. The result of the study showed that decreasing of forest area was 9.51% from initial condition can increase water yield, evapotranspiration, and erosion as much as 8.52%, 5.94%, and 1.73 t ha-1 year-1, respectively. Otherwise, water storage decreased as much as14.46%. The landcover on 1990 with rainfall 3,117.10 mm year-1 provided water yield of approximately 1,387.13 mm, evapotranspiration of 1,152.10 mm, water storage of 577.87 mm, and erosion of about 20.52 t ha-1 year-1. The landcover on 2003 with rainfall 2,613.2 mm year-1 provided water yield of approximately 1,385.50 mm, evapotranspiration of 1,121.10 mm, water storage of 106.60 mm, and erosion of about 33.15 t ha-1 year-1 with erosion tolerance of about 43.57 t ha-1 year-1.
Kesiapan Produsen Mebel di Jepara dalam Menghadapi Sertifikasi Ekolabel Herry Purnomo; Rika Harini Irawati; Ririn Wulandari
Jurnal Manajemen Hutan Tropika Vol. 17 No. 3 (2011)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (175.766 KB) | DOI: 10.7226/jtfm.17.3.127

Abstract

Furniture is a big 4 of Indonesia’s export commodities with palm oil, textiles, and rubber outside the oil and gas. Value-added is enjoyed by tens of millions of people involved in the value chain. But, the business is experiencing severe challenges to the issue of certification and forest products (green or certified furniture) and the scarcity of wood. Certified furniture is intended for preservation of forest resources, the healthy processing of furniture making as well as improving the welfare of artisans. From the supply side of certified furniture, large producers have been prepared while small producers are not ready. From the demand side, domestic consumers only want to pay less for certified furniture, while British and Norway consumers are 16% 7.5% respectively. The increase in willingness to pay is lower than the certified furniture prices increased between 6–30%., Certification can be done by a third party accredited by the Tropical Forest Trust (TFT), Indonesian Ecolabel Institute (LEI), or Forest Stewardship Council (FSC). When the increase in production costs are higher than the desire of consumers to pay, then the certified furniture becomes difficult to be realized. Need specific strategies to market certified furniture. This article is a case study in Jepara furniture craftsmen who accounted for 10% of national exports.

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