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Jurnal Silvikultur Tropika (JST)
Published by Institut Pertanian Bogor
ISSN : 20868227     EISSN : 28073282     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Energy Environmental Science Social Sciences
JURNAL SILVIKULTUR TROPIKA (JST) atau Journal of Tropical Silviculture adalah jurnal yang terbit tiga kali dalam setahun. JST menerbitkan artikel tentang sains dan teknologi silvikultur yang berhubungan dengan hutan tropika seperti botani, fisiologi, ekologi, tanah, genetika, proteksi, patologi, entomologi, kebakaran, daerah aliran sungai, biodiversitas, bioteknologi, agroforestri, reklamasi dan restorasi. Tulisan-tulisan ilmiah diterbitkan dalam bentuk artikel hasil-hasil penelitian (article), ulas balik (reviews), catatan penelitian (notes), hipotesa (hypothesis), maupun komunikasi (communication) di bidang silvikultur hutan tropika.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 9 Documents
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Search results for , issue "Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika" : 9 Documents clear
Influence of pH, Shaked Medium, and Addition of Sawdust on the Growth of Xylaria sp. Achmad .; Elis Nina Herliyana; Eti Artiningsih Octaviani
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Fungi is natural resources that has many potencies to be developed to fill the human’s need. One of useful fungal species is Xylaria sp. as a decomposer which play an important role in the process of returning nutrients in to the soil. This reasearch aims to examine the effect of medium pH, medium movement, and sawdust of Sengon (Falcataria molucana) & Afrika wood (Maesopsis eminii) addition in medium on the growth of Xylaria sp. Each experiment used Completely Randomized Design with 3 replications. The result showed that best Xylaria sp. colony on PDA attained at pH 8; at pH 2 the fungi did not grow. Highest mycelial dry weight of Xylaria sp. in PDB medium with pH treatment was achieved at pH 6. Highest mycelial dry weight of Xylaria sp. in PDB with shaking was achieved at a speed of 100 rpm. The addition of sawdust in MEA medium did not significantly affect the growth of mycelial diameter of Xylaria sp.Key words: africa wood, medium movement, pH, sengon, Xylaria sp
Shading Influence of Sengon (Falcataria moluccana L.) and Fertilization against White Ganyong Growth (Canna edulis Ker.) Nurheni Wijayanto; Suyogia Nur Azis
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Sengon (Falcataria moluccana L.) public forests is still becoming planted by Monoculture system. Alternative solution to optimalize the use of land is agroforestry system. Agroforestry system gives income benefits in non timber product. This research aims to measure shading influence of sengon, kinds of fertilizer, and dosages of organic fertilizer against white ganyong growth. The shading treatments consist of the open area (shade intensity 0%) and sengon shaded area (shade intensity 42%). The fertilizer treatments consist O0 (no fertilizer as control), O1 (POC 350 mL/ha, 450 mL/ha), O2 (POC 700 mL/ha, 900 mL/ha), O3 (POC 1400 mL/ha, 1800 mL/ha) and NPK. The experiment was analyzed by nested design. The results showed that growth of white ganyong on sengon shaded area is higher than open area to parameters hight of plant, length of leaves, width of leaves and plant biomass. Treatments of shading and fertilization did not significantly affect to tuber wights of white ganyong.Key words: agroforestry, Canna edulis, Falcataria moluccana, fertilization, shading
Growth of Krey Payung (Filicium decipiens) on Medium of Ex Sand Mine with the Addition of Charcoal and NPK Fertilizer Basuki Wasis; Nuri Jelma Megawati
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Mining activity is an exploitation of natural resources, such as land clearing, extraction, digging and landfilling. One of mining activities that often done by people is sand mining. Some problems occur by sand mining, i.e. landslide, sedimentation, flood, the loss of soil organic matter, the loss of soil horizon, soil structure changes, air pollution in the form of dust particle and destruction of accessibility. Revegetation must be conducted on ex mined land, but it has some constraints, such as domination of sand texture, low CEC and low soil nutrient. Application of charcoal and NPK fertilizer are expected to overcome those problems. Krey payung has good adaptability in various soil types, producing a lot of litters for soil repairment, has a good crown to cover the soil and has attractive performance. The result showed that combination of charcoal without NPK fertilizer gave the best growth for krey payung seedling. The largest single charcoal application, i.e. 10 % in soil planting medium of ex sand mine gave the best growth for Krey payung seedling. Medium without NPK fertilizer gave the best response for krey payung seedling growth. The addition of NPK on soil medium of ex sand mining did not give good response for the growth of krey paying seedling.Key words: charcoal, krey payung, NPK fertilizer, sand mine
Evaluation of the Success Result Plants Revegetation in coal post-mining land Lati Site PT Berau Coal East Kalimantan Istomo .; Yadi Setiadi; Alvi Nadia Putri
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Mining activities in the forest areas are done through the land use of forest areas. The activities of mining must always be followed by reclamation and revegetation to restore the condition of damaged forest area as a result of mining efforts and forest areas can serve again in line with aimed. Revegetation is an effort to repair and restore the damaged vegetation by planting and maintenance activities on the grounds of forest areas former use. Evaluation needs to be done to find out the status of successful revegetation has been done by mining company. Purposes of this research are to assess the successful status of revegetation on post-mining land based on survival rate and plants performance of Acacia mangium on Block Q3 East Elevation 60 Lati Site of PT Berau Coal East Kalimantan. Observation also held to find out the causes of ineffective growth by result of soil analysis on post-mining land, and also to give recommendations of revegetation improvements.The result showed that the success of revegetation status on Block Q3 East Elevation 60 Lati Site is not successful based on survival rate and performance of planted plants. It is caused by the average values of growth and health plant percentage which lower than 80%. The average value of growth percentage is 79,31% and health plant percentage is 71,62%. The main factor of this condition is failure characteristics of soil revegetation which unsupport properly for the growth of plants. The level of soil acidity which appertain very acid soil can cause some important problems and it can be harmful to plants. Soil amendment and replanting vegetation should be done to improve revegetation on Block Q3 East Elevation 60 Lati Site PT Berau Coal East Kalimantan.Key words: Acacia mangium, evaluation, mining, revegetation
Application of Coconut Shells Charcoal and Cow Feces (Bokashi) on the Growth of Jabon Seedling at the Gold Mine Tailings Medium Basuki Wasis; Ari Istantini
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Mining is one potential natural resources that can be used as a source of foreign exchange to national development. Activities in mining inflict negative impact on the environment in form of the damaged environment, habitat animals and loss of the kinds of flora/fauna endemic. To prevent and reduce the destructive power worse, we need to sought various effort control that lead to activity land rehabilitation one is modifying environment growing crops. One of them is giving coconut shells and bokashi on jabon to increase plant growth and productivity on critical land after mine for a relatively cheap.This research used data measurement of primary growth of jabon in the press cropping former gold mine (tailing). The method is applicable in the measurement of on high growth, diameter, the total weight of dry and NPA jabon on tailing with treatment granting coconut shells charcoaland bokashi in various doses for three months. Diverse analysis with the (Pr>f)<α (significant value<0.05)or influence the provision of charcoal and bokashi influential real on the growth of high In diameter, the total weight of dry and NPA of jabon on tailing, then test the continued to compare the middle value treatment. Further test used Duncan test.Based on the results, it can be said the addition of charcoal and bokashi were able to repair the structure and texture of the medium, so it can improve the tailings deposits of nutrient elements for plants. Treatment A4B3 (granting of charcoal with a dose of 10% and bokashi with a dose of 60 g) delivers the most flattering to increased growth of jabon on the gold mine tailings medium.Key words: Anthocephalus cadamba, bokashi, charcoal, growth, tailing
Diversity of Pinus merkusii Jungh. et de Vriese of Tapanuli Strain based on Microsatellite Markers Ulfah Juniarti Siregar; I Made Mayun Maha Diputra
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Pinus merkusii of Tapanuli strain, which grows naturally in Tapanuli area to the south of Toba Lake, has decreased considerably due to intensive logging. This research aimed at investigating genetic diversity of strain Tapanuli Pine using microsatellite markers on its three populations, i.e. Dolok Tusam Timur, Lobugala, and Parinsoran. Leaf samples were extracted using combined CTAB (cetyl trimethyl ammonium bromide) and DNeasy plant mini kit, then amplified using seven specific microsatellite primers from P. merkusii Aceh strain, i.e. pm01, pm04, pm05, pm07, pm08, pm09a, and pm12. Those primers could amplify polymorphic fragments with different sizes than reported before. Estimation of genetic diversity parameters showed that Lobugala population has the highest heterozygosity (He = 0.4693) followed by Dolok Tusam Timur (He = 0.4614) and Parinsoran (He = 0.4316). Lobugala population was closely related to Parinsoran with 0.0617 genetic distance, and separated from Dolok Tusam Timur by 0.3798 genetic distance. Partition of genetic variation showed that 81% was found within population, and only 18% was among population.Keywords: genetic diversity, microsatellite, Pinus merkusii
Estimation of Above Ground Carbon Stock at Above Reclamation Area of PT. ANTAM UBPE Pongkor, West Java Province Lailan Syaufina; Muhammad Ikhsan
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Global Warming is one of the environmental issues that are currently flare hit many areas in the world. The impacts of global warming need to be minimized by mitigating of carbon emission, i.e. to to reduce emissions or increase sequestration of carbon and carbon stocks. Efforts to increase the absorption of carbon stocks and at the same time reducing greenhouse gases emissions has been indicated indirectly by reclamation on the post mining area. An important aspect to be studied is the potential of the carbon stored in the post mining reclamation area.. The objective of this study was to measure and calculate the above ground carbon stocks on the post mining reclamation area of PT. Antam UBPE Pongkor. The study was carried out using non-destructive method, which estimates the carbon content without cutting the trees by using parameters such as diameter at breast height and tree height. The study shows that the above ground of post mining reclamation area of PT. Antam UBPE Pongkor contains biomass amounted to 127.89 ton ha-1 and the carbon content of 58.77 ton ha-1. The result consist four potential of biomass, which is standing forest, litter, lower plants/shrubs and necromass with biomass of 122.75 ton ha-1, 2.45 ton ha-1, 1.28 ton ha-1, 1.41 ton ha-1 and 56.41 ton ha-1 respectively, and carbon content of 1.13 ton ha-1, 0.59 ton ha-1, 0.65 ton ha-1 respectively.Keywords: biomass. carbon stock, global warming, reclamation area
Growth Evaluation of Some Dipterocarp Species in Revegetation Areas of PT. Kitadin, East Kalimantan Iwan Hilwan; Yadi Setiadi; Hendriyana Rachman
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

The existence of dipterocarp species is very important especially in lowland tropical rain forest. Dipterocarp species has high economical and ecological values. Borneo is one of the region dipterocarp species. Logging has resulted in the decrease of dipterocarp species, moreover, mining industry has worsen this condition. According to IUCN (International Union for Conservation of Nature), that these kinds of plants have been categorized endangered. PT Kiadin in collaboration with Research Center of Dipterocarp Samarinda performed planting trials of various dipterocarp. The experiment was carried out in 2009 in the area of pre-conditioned post-mining area. The planting was done in five locations that had previously been planted with pioneer tree species in which each location had different types of shading. In order to know which dipterocarp species that is the most superior and in which locations these species existed, the growth of several types of dipterocarp in post-mining landscapes of PT. Kitadin was evaluated. This study aimed to identify which types of dipterocarp species that grew the best in various locations of revegetation of PT. Kitadin. Based on the research done, there was a tendency that five dipterocarp species grow well in the shade of waru. However, precentage of these five dipterocarp species life was mostly under the shade of trembesi. Parashorea smythiesii species had greater average height, diameter, and survival rates than those of other species. Thus, this species is a potential species that could be used too planting in the ex mine siter of PT. Kitadin.Key words: dipterocarp, growth evaluation, revegetation
Carbondioxide (CO2) Emissions Estimation caused by Forest Fire on Different Land Cover in West Kalimantan Province in 2000-2009 Bambang Hero Saharjo; Erianto Indra Putra; Uan Subhan
Jurnal Silvikultur Tropika Vol. 4 No. 2 (2013): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.4.2.%p

Abstract

Forest fire is one of forest disturbance that may reduce forest area in Indonesia. West Kalimantan is one of Indonesian provinces that are vulnerable to forest fire. It is caused by land use changes that occurred in West Kalimantan Province. Forest fire has a huge impact, it has related with carbondioxide (CO2) emissions are produced.This research was conducted between April and June 2012 at Forest Fires Laboratory, Departement of Silviculture, Faculty of Forestry, Bogor Agricultural University. The data used is hotspot data from Fire Information Resources Management System (FIRMS), precipitation data from Center for Meteorology Climatology and Geophysic (BMKG), and land cover map of West Kalimantan from Roundtable on Sustainable Palm Oil (RSPO). Hotspot data were processed to estimate burned area in each land covers, thus carbondioxide emissions could be obtained. The purpose of this research is to analyze forest and land fire occurrences on different land covers in West Kalimantan in 2000-2009 and to estimate their carbon dioxide emissions.The results showed that primary swamp forest in West Kalimantan decreased until 21% in 2009 while palm oil plantation has increased to 182%. The highest hotspot in the period 2000-2009 occurred in 2006 with 10,699 hotspot. The highest hotspot in 2000, 2005, and 2009 where occurred in shrubland as 225, 1069, and 2205 respectively. The increased of the numbers of hotspot is in line with burned area and CO2 emissions. The largest burned area occurred in shrubland in 2009 (182,718 ha). The highest CO2 emission on mineral land is found in shrubland in 2009 (1,480,023 tons) while primary swamp forest is the highest CO2 emissions producer on peat land in 2009 (91,163 tons). Changes in primary swamp forest into oil palm plantation released the highest CO2 emissions in the amount of 249,209 tons.Key words: carbondioxide emissions, hotspot, land cover

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