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INDONESIA
Indonesian Journal of Forestry Research
Published by Badan Penelitian dan Penegembangan Kehutanan
ISSN : 23557079     EISSN : 24068195     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Indonesian Journal of Forestry Research (IJFR) was first published as Journal of Forestry Research (JFR) on November 2004. The last issue of JFR was Volume 10 Number 2 published on December 2013. The Journal of Forestry Research has been accredited by the Indonesian Institute of Sciences since 2008. The last accreditation was on 21 June 2013 (accredition number: 538/AU3/P2MI-LIPI/06/2013) which will be valid until 2016. IJFR will be issued in one volume every year including two issues which will be delivered every April and October. This journal is published by Forestry Research and Development Agency (FORDA), Indonesia.
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Articles 498 Documents
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Effect of Piperonyl Butoxide and Silver Nitrate on Degradation Pathways of n-octadecane by Fusarium sp. F092 Hidayat, Asep; Tachibana, Sanro
Indonesian Journal of Forestry Research Vol 3, No 1 (2016): Indonesian Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2016.3.1.%p

Abstract

The aliphatic fraction is usually the largest component in crude oil. Its removal from oil contaminated fields has become an environmental priority and been considered useful for enhancing recovery. Our previous studies reported the isolation of Fusarium sp. F092 based on the ability to degrade chrysene. It also could degrade crude oils and their aliphatics fractions. However, aliphatic degradative pathways in crude oil have not been clearly understood. The identification of aliphatic metabolite pathways using a representative compound n-octadecane was carried out in this study, as well as the effect of Piperonyl Butoxide (PB) and Silver Nitrate (AgNO3) on the degradation of n-octadecane and its metabolite. We determined that Fusarium sp. F092 had ability to break down n-Octadecane from about 125 to 13 mg L-1 after 60 days incubation. During degradation, several metabolite products could be detected and identified to form carboxylic acid groups. By the addition of PB and AgNO3, inhibitor of monooxgenase and dioxygenase enzymes, Fusarium sp. F092 had ability to convert n-octadecane to form alkyl hydroperoxides via terminal oxidation pathway with involving a dioxygenase
THE IMPORTANCE OF FOREST AND LANDSCAPE RESOURCE FOR COMMUNITY AROUND GUNUNG LUMUT PROTECTED FOREST, EAST KALIMANTAN Murniati, Murniati; Padmanaba, Michael; Basuki, Imam
Indonesian Journal of Forestry Research Vol 6, No 1 (2009): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2009.6.1.53-73

Abstract

The forest of Gunung  Lumut  in Pasir District,  East Kalimantan was designated  for a protection  forest in 1983. It is surrounded  by 15 villages  and one settlement  lies inside it. Communities in those villages are dependent upon the landscape and forest resources mainly for non timber forest products. This study was focused on the perception of the communities on the importance of the landscape and forests. The study was conducted in two settlements, located  in and outside  (near)  the protection  forest,  namely  Rantau  Layung  Village  and Mului  Sub-Village.  Data collection  was undertaken through  general field observations, key- informant personal  interviews and focus group  discussions.  In Rantau  Layung, the most important land  type  was rice  field, whereas  in Mului  was forest.  There  were  13 and 14 use categories  of landscape  resources  in Rantau  Layung  and Mului,  respectively, such as food, medicine,  constructions and source of income.  People in Rantau  Layung  and Mului ranked  plants  to be more  important than  animals.  People  also considered  products  from wild  resources  to be more  important than  those from cultivated  and purchased  sources. Communities living  in both  settlements  considered  the future  uses of forests to be the most important as compared to those of the present and past. They  suggested that sungkai (Peronema canescens) and telien (Eusideroxylon zwageri) to be the most important plants while payau  (Cervus unicolor) and telaus (Muntiacus muntjak) to be the most important animals. People used the wildlife mainly for food and source of income. They also identified important and potential  resources for economic  development in the area, i.e. ecotourism  and hydro- power for electric  generator.
ECONOMIC ASSESSMENT OF SOME AGRO FORESTRY SYSTEMS AND ITS POTENTIAL FOR CARBON SEQUESTRATION SERVICE IN INDONESIA Ginoga, Kirsfianti L.; Wulan, Y. Cahya; Lugina, Mega; Djaenudin, Deden
Indonesian Journal of Forestry Research Vol 1, No 1 (2004): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2004.1.1.31-49

Abstract

This paper  provides  several alternatives  agroforestry  and plantation   systems  to consider  for carbon  sequestration  purposes.   It is indicated  that multicropping  of  coffee multistrata  or fruit trees such as mango,  duku and durian with timber or food and vegetable crops  produces  more benefits financially and economically compared  to monoculture  of tree plantation  such as albizia. The  former  system is more attractive in terms  of  return  to labour  and land.  However,  the later system produce  more carbon  and low cost of  carbon,  which is more potential  from the  buyers point  of  view: So there  is a trade-off   from  supply  and  demand   side  for  choosing   the  best alternatives   system.   Implication   of  these  are as follows:  (i) amount   and  price  of  product   is becoming  a key factors in determining  whether  a system is more  feasible  for selling of  product or carbon  trade, and (ii) there is   a need to create incentives  system for land  owners/producers if carbon  trade is a priority.
FEASIBILITY STUDY OF BUSINESS IN AGARWOOD INOCULATION AT DIFFERENT STEM DIAMETERS AND INOCULATION PERIODS Suharti, Sri; Pratiwi, Pratiwi; Santosa, Erdy; Turjaman, Maman
Indonesian Journal of Forestry Research Vol 8, No 2 (2011): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2011.8.2.114-129

Abstract

Indonesia signifies as the biggest agarwood producer country in the world. Its demand and price tend to increase and have brought about over exploitation of agarwood. Consequently, its population in nature has decreased significantly. To overcome the situation, since 1995, agarwood has been included in the CITES Appendix II. However, illegal exploitation remains persistent and reaches an excessive level. In order to deal with it, agarwood cultivation and its artificial production have been undertaken at several provinces in Indonesia. Some supporting factors for agarwood cultivation and artificial production are the availability of potential land for extensive cultivation, appropriate agro climate condition, simple cultivation technique and already being well adopted by farmers, the availability of necessary pathogen for agarwood inoculation, and the increasing demand with relatively high price. The research aims to analyze the feasibility study of agarwood inoculation business at several stem diameters (15 - 25 cm; 26 -35 cm and 36 - 40 cm) and periods of inoculation (1 - 5 years). Data were collected through field observation and literature study. The results showed that inoculation on agarwood producer tree stands at 12.5% interest rate afforded positive net present value (NPV),  internal rate of return (IRR) is much higher than market interest and benefit cost (B/C) ratio >2 for those three diameter classes. Furthermore, if agarwood harvesting is delayed until five years after inoculation, NPV,  IRR and B/C ratio would be much higher. It can be concluded that inoculation on agarwood producer tree stands (at appropriate age for inoculation) is feasible to be developed.
ANATOMICAL PROPERTIES AND FIBER DIMENSION OF PRICKLY ACACIA (Acacia nilotica L.) FROM BALURAN NATIONAL PARK Krisdianto, Krisdianto; Damayanti, Ratih
Indonesian Journal of Forestry Research Vol 4, No 2 (2007): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2007.4.2.93-103

Abstract

Acacia nilotica (L.) Willd. ex. Delile growing in Baluran National Park has dramatically altered the ecological balance of grasslands and thereby threatens the existence of local biodiversity. Prickly acacia is able to spread rapidly and remains uncontrollable. Baluran National Park authorization has been struggling to control this prickly acacia trees. One possible action that can be taken to encounter this problem is allowing wood based industries, and local people take advantages of this nilotica timber utilization. This paper studies the anatomical properties and fiber dimensions of nilotica timber and discusses the possible utilization of  nilotica timber.   This timber is characterized by dark brown heartwood which is clearly distinct from reddish brown color of sapwood. The denser cell wall shows attractively streaked in tangential surfaces. The length of  wood fiber decreases from pith toward periphery portion. Longitudinally, higher stem has shorter fiber. Nilotica wood has second class quality of fiber, which means its fiber is moderately thick with narrow lumen diameter. Due to small log diameter and branches, the nilotica timber is not recommended for construction material. The timber is suitable for carved and turnery products. Nilotica timber is suitable for charcoal manufacture and fuel wood due to its high calorific value.
COMMUNICATING REDD+ ISSUES AT LOCAL LEVEL: CREATING LATENT AND MANIFEST CONFLICT Wibowo, Lukas Rumboko; Race, Digby; Curtis, Allan
Indonesian Journal of Forestry Research Vol 10, No 2 (2013): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2013.10.2.67-78

Abstract

”Carbon offsetting”in forestry-related projects is widely regarded as the ideal solution to the three challenges of   the  21st Century:  climate change, biodiversity conservation  andsocio-economic development. At the same time, there is scepticism about the Reducing Emissions from Deforestation and  Forest  Degradation (REDD)  proposal  particularly because of   the  weak  governance and institutional capacities in many developing countries, which could jeopardize the delivery of benefits at the local level. One major problem is that most people have little knowledge on the causes and consequences of the climate change. This is partly because the information  is largely scattered among scientific journals, and obscured by jargon and sophisticated  mathematical  models. Consequently, REDD+ is beyond thereach of  manyof the people affected by REDD+. This  paper examines the efforts and the capacity of  the local governments and other development  agents in explaining the REDD + issues and its impacts on the local people, especially customary communities. The research shows that lack of  policy communication and promotion, as well as consultations with the affected groups arethe main contributing factors to latent and manifest conflicts. In turn, this conflicth as proven that NGOs,  district governments and scientists have not been successful intermediaries. Thus, in the future policy communication on REDD+ should beaimed at improved network formation (i.e. between farmer groups with business partners and NGOs  and other related actors), learning, negotiation and relationship building (i.e. between members of farmer groups,  not only withtheir leaders within the farmer groups but also with governmental and business sectors). Policy communication should also create a  new  configuration of   support  and  services in  form  of   advocacy, empowerment and management skills and technical skills for conserving their natural resources, for adaptation to climate change and building more equitable governance and transparency at local level.
LOWEST POSSIBLE FELLING TECHNIQUE FOR INCREASING UTILIZATION OF RENGHAS (Gluta renghas L.) WOOD AT A PEAT SWAMP FOREST Suhartana, Sona; Yuniawati, Yuniawati
Indonesian Journal of Forestry Research Vol 3, No 2 (2006): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2006.3.2.105-113

Abstract

This study was carried out in 2005 at a peat swamp forest company in Jambi. The aim of this study was to find out a technique to increase the utilization of renghas wood in a peat swamp forest by implementing the lowest possible felling technique (LPFT) and  the conventional felling technique (CFT). Data collected in this study were: working time, log volume, waste volume, productivity, efficiency, stump height and felling cost. Two data categories were analyzed with respect to their possible differences by using a t-test.The study showed that the implementation of LPFT produced better results compared to that of CFT which was indicated by: (1) Felling productivity increased to 5.220 m3/hour, (2) Felling cost decreased Rp 341/m3, (3) Felling efficiency increased 3.2%, and (4) The average stump heights were 41.2 cm for LPFT and 67.5 cm for CFT.
GEOGRAPHIC VARIATION OF CHLOROPLAST DNA HAPLOTYPES IN Acacia aulacocarpa A. Cunn. ex Benth Widyatmoko, Anthonius Y.P.B.C.; Shiraishi, Susumu
Indonesian Journal of Forestry Research Vol 10, No 1 (2013): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2013.10.1.43-56

Abstract

The geographic  variation  of chloroplast  DNA (cpDNA)  haplotypes  of Acacia aulacocar pa was investigated among 18 natural populations. These populations represent the geographical range of the species in New Guinea Island and Queensland. Single strand conformation polymorphism (SSCP) was used for the analysis. Two non-coding regions of cpDNA, the intron region of the trnL gene and the intergenic spacer region between the trnP and trnW genes, were analyzed, and four haplotypes (A, B, C, and D) were recognized. The haplotype distribution corresponded with the geographic distribution of the populations.  Based on four cpDNA haplotypes, the eighteen populations were divided into three groups: New Guinea Island, Northern  Queensland  and Southern Queensland.  Haplotype  C was observed only in the New Guinean populations, while the other three haplotypes (A, B, and D) were found in Queensland only. All of these three haplotypes were observed in Southern Queensland, whereas haplotype B was found only in the Northern Queensland populations. The cpDNA haplotype diversity of this species seemed to be highest in southern Queensland.
LEAF AREA INDEX DERIVED FROM HEMISPHERICAL PHOTOGRAPH AND ITS CORRELATION WITH ABOVEGROUND FOREST BIOMASS Basuki, Tyas Mutiara
Indonesian Journal of Forestry Research Vol 2, No 1 (2015): Indonesian Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2015.2.1.%p

Abstract

Leaf area index (LAI) is one of key physical factors in the energy exchange between terrestrial ecosystem and atmosphere. It determines photosynthesis process to produce biomass and plays an important role in performing forest stand reflectance, therefore building relationships between LAI and biomass from field measurement can be used to develop allometric equations for biomass estimation. The purposes of this research are: 1). To develop relationships between diameter at breast height (DBH) and crown biomass (leaves; leaves + twigs + branches;  2).To develop relationships between leaf area index (LAI) and crown biomass; LAI and Total Above-ground Biomass (TAGB). A destructive sampling was conducted to build allometric equations. The DBH measurements from 52 sample plots were used to build relationships between DBH and crown biomass, as well as LAI and crown biomass and also TAGB. A hemispherical photograph was used to record LAI. The research was carried out in East Kalimantan. The results showed that strong coefficient of determinations (r2) were found between natural logarithmic (ln) DBH and crown biomass ranging from 0.77 to 0.93. The correlations (r) between LAI and leaves; leaves+twigs+branches; TAGB were arround 0.75 and the r2 were 0.564; 0.570; and 0.572, respectivelly.  Although LAI measuremnt using hemispherical is considered tedious, however the results are useful for validation of LAI measueremnts using remote sensing techniques. Improvement of r2 between LAI and biomass can be conducted by proper time of LAI measurement, immediately after sunrise or sunset.
DOMINANT HEIGHT AND SITE INDEX MODELS FOR Acacia mangium Willd. PLANTATION Krisnawati, Haruni; Wang, Yue; Ades, Peter K.; Wild, Ian W.
Indonesian Journal of Forestry Research Vol 6, No 2 (2009): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2009.6.2.148-165

Abstract

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