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Departemen Silvikultur, Fakultas Kehutanan - Institut Pertanian Bogor Jl. Ulin Kampus IPB Darmaga, Bogor 16680 INDONESIA Telp./Fax.: +62-251-8626806 /+62-251-8626886
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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 492 Documents
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Growth of Cajuput (Melaleuca leucadendron Linn.) and Longkida (Nauclea orientalis Linn.) in Flooded Condition of Acid Mine Water Miftahul Mawaddah; Irdika Mansur; Lana Saria
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Coal   mining   in   Indonesia  mostly   are   conducted  using  open   pit   mining   system.   The   method   causing exposure  of mineral sulphide and triggered the production  of acid mine drainage (AMD) when oxidized by O2  and met with water. The problem is encountered by most companies  engaged in the coal mining, including PT. Mandiri Intiperkasa. An effort for handling  the   AMD    has   been   done  by establishment  of settling pond   that   was   planted   with   tifa   grass (Typha angustifolia).  The   grass   has   been   khown   for   its ability   to   neutralize   pH   and   at   the   same   time   absorb heavy   metals. However, in term of a long term use of the so called wetland area, it is regarded as non-productive  approach. Therefore, it need to sought types of commercial trees species that could survive and grow productively in wetland area to treat the AMD.          Treatments were asfollows: a. a combinat ion of species of tifa grass and cajuput (Melaleuca leucadendron Linn.); b. tifa  and  longkida   (Nauclea   orientalis   Linn.),   and  c. tifa  only.   Seedlings  were  observed  for  four  weeks.  Variables observed were: diameter growth, high growth, pH of the AMD, the weight of dried plants, the ratio (apa?), the roots and shoot nutrient analyses, and analysis of mud. The increase in the pH of AMD occurs every week on each unit test. Both types either cajuput and longkida able to survive and grow well for four weeks in the wet land flooded with AMD.
Effect of Media Sterilization and Inoculum Dosage on Ectomycorrhizae Formation and Shorea selanica Blume. Growth Sri Wilarso Budi
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

The objectives of this research were to examine the effects of soil media sterilization and the dosage of mycorrhizal inoculum on mycorrhizal development and function and plant growth. Shorea selanica  seedlings were inoculated with different ectomycorrhizal soil inoculum dosage and grown in non-sterile and sterile  soil. Ectomycorrhizal soil inoculum were collected from under Shorea pinanga tress in Silviculture laboratory.  Soils used were infertile acid soils collected from field sites in Jasinga, Bogor.  Mycorrhizal inoculation improved the growth of S.selanica seedlings more than on sterile soil medium. The uninoculated seedlings exhibited stunted growth typical of P deficiency both in sterile and unsterile soil. Height at 16 weeks was significantly taller in non-sterile than in sterile soil. A significant interaction effect of inoculation and soil sterilization on height, diameter, shoots and roots biomass at harvest was observed.  Mycorrhizal inoculum dosage had a varied effect on mycorrhizal formation.  Root colonization  was significantly greater in non-sterile soil than in sterile soil in all inoculum dosage.
Effect of Media Combination Treatment on Seedling of Tumih (Combretocarpus rotundatus (Miq.) Danser) Growth Istomo Istomo; Niechi Valentino
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Tumih which has a Latin name Combretocarpus rotundatus  (Miq.) Danser)  is one of the species that lives in peat swamp forests. C. rotundatus often found in secondary forests or  forests with open canopies. Nowadays deforestation often occurs in Indonesia, it is feared this species will be decrease and lead to scarcity in natural forest. C. rotundatus also has characteristic that suit for plan in effort to initiate rehabilitation of agitated peatlands. Efforts to propagate this  species was applied by the stump method. The research conducted aims to determine the life and growth of tumih by giving the media combination  regulators. The results showed that the percentage  of life that is obtained for K1 at 86,67%, 80,00% of  K2, K3 of  35,56%, K4 at 62,22%, K5 at 71,11%, and 86,67% for K6. Other factors that may affect it is initial height of plants and environmental conditions in research.
Gmelina (Gmelina arborea Roxb.) Growth in Some Agroforestry Pattern in Village Sekarwangi, Sub-district Malangbong, District Garut Nurheni Wijayanto; Ida Rosita
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Agroforestry is land used system which combines woody plants (trees, shrubs, rattan) with woody plants or may not with the grass (pasture), sometimes there is a component of the cattle and other animals that formed the ecological interactions between woody plants and other components. The selection of inappropriate agroforestry pattern will affect the growth of staple crops with a high competition to get nutrient elements, air, and light from the sun. This research aims to analyze the influence of agroforestry patterns of gmelina growth and analyze the relationship of land management system on the gmelina growth. This research was done in  Village Sekarwangi, Malangbong, Garut in December 2011 to February 2012. This study used  RAL  analysis with one factorial, agroforestry pattern. There are three patterns of agroforestry  chosen as the treatment. Parameters was observed is  gmelina  dimensions form of  total high, diameter, high free branches, and diameter of  crops. The result showed that agroforestry pattern one exert most good against growth gmelina. It obtained based on the fingerprint variety test and duncan test. Pattern agroforestry one give highest average on each parameter. Besides that, system land management of agroforestry one also exert best to the gmelina growth.
Termite Biodiversity in Gunung Walat Education Forest, Sukabumi Noor Farikhah Haneda; Andri Firmansyah
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Termites are social insects that are polimorfis that live in a colonial. It has a caste system. Each caste has different body morphology. The warrior caste has the typical form of mandible. Termites can be identified by observing the size of head as well as the mandibel of the warrior caste. This research aims to know the diversity of termites in Mount Walat Education forest, Sukabumi, West Java. Termites were found preserved in film canisters containing alcohol 70%. Based on research results from five locations namely termites at the stands of agathis, pine, puspa, agroforestri and around the mess (Inn). Schedorhinotermes is a genus of the family Rhinotermitidae members most often encountered, from twenty-six instances gained thirteen of which were species of termites from members of the genus Schedorhinotermes. Thirteen other termites example i.e. genus Macrotermes, Odontotermes, with a total of six and five respectively while the genus Pericapritermes and Nasutitermes respectively amounted to a single instance.
Vegetative Propagation of PeatT Forest Tree Combretocarpus rotundatus (TUMIH (.Miq) Dancer) with Apical Cutting Methods Istomo Istomo; Rhomi Ardiansyah; Atok Subiakto
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Cutting  is  plant  propagation  system which  relatively  easy  and  produces  seeds with good  quality with the similar characteristics as its parent and takes less time. Until now, the success rooted cuttings of tumih still not known certainly. The research aim is determine the effect of giving the hormone IBA 100 ppm, NAA 100 ppm and combination of IBA 50 ppm  and  NAA 50  ppm  on the growth  of  Tumih  shoots  cuttings  (Combretocarpus  rotundatus  (.Miq)  Danser).  The conclusion  that can be  taken on the basis of this research was the addition of plant growth regulators  (IBA, NAA, and IBA + NAA) has no significant effect on the growth of shoots cuttings Tumih (Combretocarpus rotundatus (.Miq) Danser) so  that  the  use  of  growth  regulators  is  not  needed  in  breeding  of  Tumih  shoots  cuttings  (Combretocarpus  rotundatus (. Miq) Danser).
Early Report of Red Root Rot of Ganoderma sp. on Agathis sp. (Damar) in Mount Walat Education Forest, Sukabumi, West Java Elis Nina Herliyana
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Damar (Agathis spp.) is one type of forestry tree producing high-quality wood that is light colored and known as raw vinir. Damar tree has been planted in the Mount Walat forest Education (HPGW) IPB since 1963. The stands are grown in addition to being carbon stock and play a role in the balance of ecosystems, has also been a lot of produce Copal (resin) of value economically. However the current spread of the disease has  been diagnosed of Red root  rot  by Ganoderma are feared to be sharpened and detrimental. This paper is an early  report that needs  serious attention. Research on the factors that favour the occurrence of epidemic diseases needs to be done. Due to the alternate host Ganoderma spp. on this sufficiently broad
Land Covers Change and Its Impact to Carbon Stocks in Ciliwung Watershed Basuki Wasis; Bambang Hero Saharjo; Hadi Susilo Arifin; Arief Nugroho Nur Prasetyo
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Land  cover  changes will affect the ecological condition of  the watershed.  Currently, the  conversion of  natural forests into agricultural land has been one of  the main  causes of  deforestation  in  Indonesia. The  changes  could  give impact to  erosion,  increased  run off  and  sedimentation,  loss of  biodiversity,  change of micro  climate,  the release of carbon and Green House Gas (GHG) into the air, etc. This problem has been going on in Watershed Ciliwung.  Forest area, as sources of carbon deposits and carbon absorbents, has limited area along with increasing extents of build up areas. Therefore, it’s estimated the ecological changes will be extended, then will affect the amount of carbon  stocks in Watershed Ciliwung. The objectives of research are  to determine  land cover changes during  the  last twenty years,  to analyze actual carbon stocks in watershed Ciliwung, and to analyze the effect of land cover changes in over twenty years of greenhouse gases, especially CO2. This research used three samples plot on each of the existing land cover. Biomass approach was used in order to estimate carbon stock. Changes in carbon stocks were calculated by using interpolation based on  the actual  carbon  stocks  in 2011. The  research  results  showed  that build up areas was  increased  153,36% during twenty years. The highest potencial carbon stocks was  found in pines forests, which is 144,99 tons/ha. Over the last twenty years, carbon stocks in watershed Ciliwung is declined 42.329,75 tons carbon or 155.350,182 tons CO2e.
The Utilization of Bioorganic Mixture Ferns Gleichenia linearis (Burm.) Clarke and Leave Manure Leaves of the Pine merkusii Jungh et de vriese as a Medium Jabon Seedling (Anthocephalus cadamba miq.) Yadi Setiadi; Yolandari Yolandari; Nina Mindawati
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Planting medium that’s commonly used in the nursery ground is a top soil. Top soil that is utilized as a medium for planting is known have some weakness and may result in environment damage when used on an ongoing basis, thus the use of additional materials materials top soil that qualify as planting media needs to be done. One of the materials that can be used as a medium for planting is fern nor diacritical marks (Gleichenia linearis) leaf litter and pine (Pinus merkusii). These materials can be used as a medium for planting after compostion process  to remove content of cellulose and hemicellulose contained in such materials. Nutrient element content is inside planting medium   also be added to handouts fertilizers. Utilization bioorganic as media addition to jabon  seedlings are  known can reduce the use of plant top soil as a medium of 50% and produce seedling growth (5.8 cm high; diameter 0,5 mm) while same either by medium planted in top soil (6,5 cm high; diameter 0,5 mm) while seedling on bioorganic planting medium has on media cropping bioorganik having less good growth (high 4,3 centimeters; diameter 0,4 mm ) gord ratio C/N  still very high that the mineral content that  is not available in the media and cannot be used by plant. Provision of fertilizer Terabuster 1% Bioremedi 2%, also a mixture of Terabuster and Bioremedi, respectively, as many as 20 ml are known to be able to boost the growth of the  jabon seedling about 10-50% compared with non-fertilization, besides fertilizers were also able to increase the percent living seed planting  in jabon Bioorganic medium about 4-21%
Anomali Sea Surface Temperature (SST) Effect and Rain Fall on Forest and Land Fire in Province Riau Erianto Indra Putra; Erekso Hadiwijoyo
Jurnal Silvikultur Tropika Vol. 3 No. 2 (2012): 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.3.2.%p

Abstract

Land and forest fire  that  happening in Riau often occur during the dry season. The climate is one of the natural factors that can affect the occurrence of forest and land fire. In addition to climate conditions, sea surface temperature can also influence the occurrence of fires. Sea surface warming in the Pacific Ocean will cause extreme weather changes in Indonesia that can trigger a great fire due to precipitation changes that occur. To find out the genesis of the fire, it can be seen from the number of Hotspots that are captured by the MODIS satellite. The objective of this research is to know the relationship between warming sea water, rainfall and the incidence of fires in Riau using MODIS hotspot data, SST anomalies and precipitation. This research shows that correlation level between rainfall and hotspot include low level (R2 =10,89%), however, result of statistic analysis (P = 0,00) show that rainfall affect on fire  ccurrence. Hotspot  increase in February-March and July-August on dry season in Riau. Low correlation and Pvalue = 0,302  show that Sea Surface Temperature (SST) anomaly do not affect forest and land fire in Riau.

Page 6 of 50 | Total Record : 492

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