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MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management

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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.

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Articles 7 Documents

Search results for , issue "Vol. 19 No. 3 (2013)" : 7 Documents clear

Diversity of Soil Arthropods in Teak Forest Plantation Forests at Cepu, Blora, Central Java Noor Farikhah Haneda; Novia Tri Marfuah
Jurnal Manajemen Hutan Tropika Vol. 19 No. 3 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Insects are the main group of soil arthropod and the most dominant animals in the terrestrial ecosystems. The aims of this study were to get information about soil arthropod diversity in relation to environmental influence at teak plantations at Cepu, Central Java. The sampling plot design was based on forest health monitoring design method. Pitfall trap and Berlese-Tullgren funnel were employed to collect the soil arthropods. The trapped specimens were sorted in the laboratory and then identified up to family or genus. The result of the study revealed that young-age plantation has higher abundance and diversity of arthropod than old-age plantation. Totally we found 3 classes, 11 orders, 29 families, and 714 individuals from young teak plantation, and 3 classes, 11 orders, 25 families, and 397 individuals from the old one. The dominant class was insect and the dominant order of the insects was Hymenoptera. The thickness of the teak litter was the most important factor to the abundance of soil arthropods (R2 = 0.891).

Implications of the Private Property Right to the Community Forest Businesses Formalization through the Certification Policy Bramasto Nugroho; Tatang Tiryana
Jurnal Manajemen Hutan Tropika Vol. 19 No. 3 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

This study aimed to analyze the implication of formalization of community forest business efforts through mandatory timber legality certification policy. Field survey was conducted in March–April 2012 in 3 districts in Central of Java namely Blora, Wonogiri, and Wonosobo District. The results showed that community forest is mainly planting in their private owned land. It brings 2 consequences. Firstly, their willingness to manage their forest sustainably was emerged without any enforcement from external parties. Secondly, there were autonomous in decision making in their way to manage their forest such as they only planted tree species that easy to sell and valuable, they only cut their trees when they need huge money for children schooling, marriage, illness, and housing. The autonomous decision making gives also the owners (farmers) other alternatives to utilize their land otherwise planting the trees. It is mean, if the policy is decreasing the potential benefits from growing the trees, they can also convert their community forest into other business in which profitable and easy to sell their products. From those facts, it seems the formalization of community forest business through mandatory certification is not a proper policy to enhance the community forest.

Initial Infection of Falcataria moluccana Leaves and Acacia mangium Phyllodes by Uromycladium tepperianum Fungi in a Laboratory Trial Siti Muslimah Widyastuti; Harjono Harjono; Zulchan Andika Surya
Jurnal Manajemen Hutan Tropika Vol. 19 No. 3 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Sengon is a fast growing species that is cultivated widely in Indonesia. Lately, sengon is severely attacked by fungus Uromycladium tepperianum that causing gall rust disease. It is also known to attack various types of acacia. This study aims to determine the fungal infection process U. Tepperianum on sengon leaves and the possibility of infection on Acacia mangium in the laboratory trial. Leave samples and fungal pathogen teliospores obtained from Cangkringan, Sleman, Yogyakarta. Several approach procedures conducted to achieve these objectives were: (1) identification of diseased trees, (2) collecting samples of diseased leaves, branches, twigs, and stems, and (3) artificial inoculation and investigating the infection process of U. tepperianum teliospores in the laboratory. The results showed that the process of infection in sengon started by teliospores germination and germ tube formation. Successive germ tube forming penetration pegs. In the plant tissue, the penetration peg formed hypha and further developed into intracellular and intercellular hyphae. The artificial inoculation on A. mangium leaf surface showed few spores can germinate. However, none of them managed to penetrate.

Low Impact Felling Distance and Allowable Number of Felled Trees in TPTI System Ahmad Budiaman; Adita Agung Pradata
Jurnal Manajemen Hutan Tropika Vol. 19 No. 3 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Indonesian Selective Cutting and Planting System (TPTI) is a silvicultural system of production natural forests management conducted in Indonesia. TPTI implementation has resulted in damage to the residual stands and threatened the existence of production natural forests in Indonesia. This study assessed the damage level of the residual stands of commercial species due to low cutting intensity (0.77 trees ha-1), calculated low damages cutting distance, and determined the number of trees ha-1 which could be harvested sustainably. Dynamic sample plots with a circular shape with a radius of 2 times the height of felled trees were used in this study, and the number of sample plots was 29 plots with an average area of 1.3 ha. In the sample plots, the tree species, total height, diameter at breast height (dbh), and number of commercial trees ≥ 10 cm dbh were measured before and after cutting. The results showed that the damage level of residual stands caused by the low cutting intensity was 2.1%, where the damages included broken stems, splitted stems, and injured stems, leaning trees, fallen trees, broken crowns and broken buttresses. The low cutting intensity had damaged 7 commercial tree species with the diameter ≥ 10 cm. The study recommends sustainable cutting on TPTI with a distance of > 1.5 times the height of felled trees and the number of trees ha-1 that may be sustainably felled is no more than 5 trees ha-1.

Total Economic Value in Investment Analysis Sudarsono Soedomo
Jurnal Manajemen Hutan Tropika Vol. 19 No. 3 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Forest ecosystems are often defeated in decisions about investment and economic development. There is a very wide gap between policy makers and development investment on the one hand and environmentalists on the other hand, who see the forest ecosystem from the perspective of ecology and environment. The first party considers that forest ecosystems have a low value, while the second party often shows very fantastic figures about the economic value of forests. From the second party's point of view, the first party could be ignorant or having a short-term interest; while from the first party's point of view, the second party loves to produce the figures that are too good to be true. As a result, the total economic value of ecosystems is not only ignored as a consideration in investment decisions, but the total economic value of ecosystems has been seen as a boring scientific joke. Why did the gap occur and how to close the gap will be discussed in this paper. Economic valuation of ecosystem needs to be done more realistically so that the results are more plausible before policy makers. On the contrary, policy makers need to be aware that once a species vanished it never goes back.Keywords: ecosystem, goods and services, value, trade-off, double counting DOI: 10.7226/jtfm.19.3.201

Challenges for Interdisciplinary Use in Forest Management Prompts of Coalition of Forest Management, Economic and Institutional Sciences: 2005, 361 pages Hariadi Kartodihardjo
Jurnal Manajemen Hutan Tropika Vol. 19 No. 3 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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In general, the science of forest management provides guidance on how forest managers set the forest, so that it is ready to be sustainably managed and used. The forest setting is based on the natural properties of forest - bio- physical characteristics, social condition, financial, and economic. In forest management practice, the quite broad science coverage is not fully used (Kartodihardjo 2013). Regulations regarding forest management are determined more only by the forestry physical property basis, as they are contained in the various settings of the silviculture system, forest inventory, as well as forest harvesting, either in natural forest or plantation forest (Kartodihardjo et al. 2006). This practice leds science of forest management become a kind of discourse which does not have a strong relationship with other disciplines such as institutional science and political science. DOI: 10.7226/jtfm.19.3.208

Land Use, Climate Change and Biodiversity Modeling: Perspectives and Applications, 2011, 512 pages Lilik Budi Prasetyo
Jurnal Manajemen Hutan Tropika Vol. 19 No. 3 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

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Geographic Information Systems (GIS) is one of the fastest growing technologies. It is hard to resemble definitions of GIS, because it has such a broad application. Principally, it is combining technology and processing capabilities of map and its attributes. One of general definition is a system used to store, manipulate, analyze and display spatial data that has reference to the earth. In the early of its development, GIS is only used for digital mapping for the purposes of resource inventories, cadastral, planning, transportation and census, but by this time GIS has been widely used for modeling and decision making. Along with advances in GIS, remote sensing technology is also increasingly available with different levels of temporal and spatial resolution. Remote sensing data can be used as inputs and spatial modeling validation using GIS. DOI: 10.7226/jtfm.19.3.211

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