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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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Seeds Viability and Initial Growth of Akasia Krasikarpa (Acacia crassicarpa A. Cunn. Ex Benth.) Seedling from Five Seed Source in Indonesia Edje Djamhuri; Naning Yuniarti; Hanny Dwi Purwani
Jurnal Silvikultur Tropika Vol. 3 No. 3 (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.3.3.%p

Abstract

Plant forest development is needed for the timber industry and other industrial raw materials. Right species selection and use of seeds from good source is a success key in forest plant development. One of prospective species that can be developed in plant forest is A. crassicarpa. Seed source that have been available for A. crassicarpa such as from Seed Production Area (SPA), and Seedling Seed Orchard (SSO). Plant material quality which good can be seen from seed viability, physical quality of seedling, and early growth in field.  The aim of this research is to exammine seed source effect on seed viability, seedling physic quality, and early growth of A. crassicarpa on field. Examination of seed viability used Complete Randomized  Design (CRD), while examination of physical quality of seedling and initial growth on field used Complete Randomized Block Design (CRBD). Seed source was examined are Jambi SPA (AJA), Parungpanjang SPA (APJ), Riau SPA (ARA), Palembang SSO (KPL), dan Riau SSO (KRK).  The result showed that seed source affected on germination seed power, seedling sturdiness, total dry weight, seedling quality index, height increment, and diameter increment. Germination power A. crassicarpa from SSO tends to higher than seed from SPA. Seedling sturdiness from A.crassicarpa seedling which from SSO was better than seed from SPA. Total dry weight and seedling quality index  of A. crassicarpa that come from Parungpanjang SPA and Palembang SSO was higher than seeds from Riau SSO, Jambi SPA, and Riau SPA. Height increment and diameter increment A. crassicarpa at the age of three months old whom it’s source from SSO tends higher than seed from SPA. Seed source SSO Palembang are superior in seed viability, physical quality of seddling, and initial growth of A. crassicarpa on  field.
Dimension and Rooting System of Sentang (Melia excelsa Jack) in Agroforestry Area Nurheni Wijayanto; Dhinda Hidayanthi
Jurnal Silvikultur Tropika Vol. 3 No. 3 (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.3.3.%p

Abstract

Agroforestry was had two main components, those are forestry plant and agricultural plant. Plant species which developed in agroforestry area was been expected to give benefits to communities, those are multifunction characteristic and commercial value. One of potential plant to be developed in agroforestry area was Sentang. The objective of this research was to know the effect of agroforestry to the dimension and rooting system of Sentang. This research used Randomized Complete Block Design (RCBD) two factorials with six treatments; those are sweet sorghum in planting space 2.5 x 25 m, sweet sorghum in planting space 2.5 x 5 m, grain sorghum in planting space 2.5 x 2.5 m, grain sorghum in planting space 2.5 x 5 m, no sorghum in planting space 2.5 x 25 m and no sorghum in planting space 2.5 x 5 m. Those six treatments were located in three blocks; those are block 1, block 2 and block 3.Plant dimension (bottom diameter, diameter on breast height, total height, branch-free height, crown height, crown length, crown width) has an approximately same result for each variable. Research results show that best plant dimension was obtained in treatment of sweet sorghum and grain sorghum in both of planting space.Rooting system was had different result for each variable. The shortest horizontal root length towards planting line was found in treatment of no sorghum in planting space 2.5 x 2.5 m; while the deepest root was found in treatment of sweet sorghum in planting space 2.5 x 2.5 m. The shortest upright root length towards planting line was found in treatment of no sorghum in planting space 2.5 x 5 m; while the deepest root was found in treatment of grain sorghum in planting space 2.5 x 5 m.
The Seddling Growth of Nyatoh (Palaquium spp.) on PT. Antam’s Tailing Media Business Unit of Pongkor in Addition of Coconat Shell Charcoal and Bokashi Compost Basuki Wasis; Hafiizh Baskara
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

Sludge of  gold mining  is one of main toxic sludge toward environment because level of high  acidity, so that can damage soil fertility and local vegetation  as impact from toxicity and contaminant of  food chain. That characteristic of tailing can cause problems in revegetation activity, so needing an effort for land repairing with adding coconut shell charcoal and bokashi compost fertilizer before a revegetation effort. Cococnut shell charcoal and bokashi compost fertilizer can repair soil condition that is poor of nutrients as a nutrient source and microbe  for soil fertility. Beside that, an effort that need to be conducted is selection of appropiate  plant species. Nyatoh (Palaquium spp) is one of local plant in Indonesia that can be recomended to be devoleped in revegetation effort at ex-mine area.
The Species Diversity of Ground Cover at Sengon Buto (Enterobilium cyclocarpum Griseb.) and Trembesi (Samanea saman Merr.) Plantation in PT Kitadin’s Post Mining Land, Embalut, Kutai Kartanagara, East Borneo Iwan Hilwan; Dadan Mulyana; Weda Gelar Pananjung
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

Inappropriate mining activity can rise bad impacts on environment such as decreasing of soil productivity, soil compaction, erotion and sedimentation, soil movements, decreasing of flora and fauna biodiversity, and micro climate change. Base on Government Regulation (PP) No.18/2008, post-mine area have to reclamated with purpose to recovery and return to previous condition. The objectives of research are to determine species composition and species diversity of ground cover at post-mine revegetation area of PT. Kitadin Embalut, East Kalimantan.  The result showed that at the sengon buto (Enterolobium cyclocarpun) plantation was found 22 species in 13 families, while on trembesi (Samanea saman) plantation was found 17 species in 13 families. The species dominant at both plantation were Paspalum conjugatum and Solanum torvum. The species diversity level of ground cover is medium, and species richness level is low, that is richness index at sengon buto plantation 2,56 and trembesi plantation 1,96. Species evennes of ground cover at sengon buto and trembesi plantation are high level because both of them have value E>0,6I. Species composition of ground cover at sengon buto and trembesi plantation are similar with value of IS = 82.05%. The species diversity of ground cover can be affected by shading factor and physical or chemical soil properties. Species dominant of ground covers on both plantation such as Paspalum conjugatum and Solanum torvum,  are have high tolerance level on light and good adaptation in post-mine area.
Utilization of Arbuscular Mycorrhizal Fungi (AMF) and Coconut Shell Charcoal to Increase Growth of Falcataria moluccana (Miq) Barneby & JW Grimes) and Samanea saman (Jacq) Merr Seedlings Sri Wilarso Budi; Intan Fajar Kemala; Maman Turjaman
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

Latosol soil has low fertility and widely spread out in Indonesia. The successful   of planting activity on latosol soil can be supported by appropiate species selection and seedling good quality. The use of arbuscular mycorrhizal fungi (AMF) and  coconut shell charcoal  for improving sengon  (Falcataria moluccana (Miq) Barneby & JW Grimes) and trembesi (Samanea saman ( Jacq) Merr growth is one alternative to support planting activities in latosol soil . This research was conducted in green house and used Split-Plot design of Complete Randomized Design (CRD) with AMF as  a main plot and coconut shell charcoal as a sub-plot. Percentage of FMA colonisation, height, diameter, crown dry weight, root dry weight, ratio of crown root and quality index of seedlings were recorded. Results showed that interaction between AMF and coconut shell charcoal increased parameters growth  for both seedling.   Single factor from both AMF  species (Glomus sp. and Gigaspora sp.) gives similar effect on growth of both seedling species.
Evaluation of Growth in Post-Mining Revegetation Land PT. Vale Indonesia Tbk. Sorowako, South Sulawesi Yadi Setiadi; Adinda Adinda
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

Reclamation and revegetation activities conducted by mining company to improve the function of land that has been affected by opening of the area is not easy. Evaluation of growth status is one of ways that can be used to overcome these obstacles. This study aimed to describe the status of growth of trees in the post-mining land and evaluate the causes of health problems on the growth of trees in the post-mining land. The method used in this study is using 4 pieces of plot objects made in two locations: in Harapan and in Inalahi. The parameters measured in identifying growth status are the plant’s diameter, plant’s height, growth performance, survival rate and soil samples. The species observed in this study is bitti (Vitex coffasus), johar (Senna siamea), kayu angin (Casuarina sp.), and sengon buto (Enterolobium macrocarpum).The results showed that johar has a value of 100% percent of individual growth, this means johar has a good life and adaptive at each observation plot. Percentage of the total of growing plants owned by sengon buto is 40% at the location of Harapan and johar is 30% in Inalahi location. Kayu angin at Harapan site and sengon buto at the location of Inalahi possess health value of 100%. It means that both plants resistant to health problems in their respective locations. Health problems occured is indicated by the presence of symptoms, such as, yellow leaves, black spots, and stagnation. The results of soil analysis on the observed plot indicates that low nutrient value in nitrogen (N), potassium (K), phosphorus (P) and calcium (Ca) to be one cause of the health problems in the plant.
Length and Depth Lateral Root of Jabon (Anthocephalus cadamba (Roxb.) Miq.) in Cibening District, Pamijahan, Bogor, West Java Nurheni Wijayanto; Iftitah Rhahmi
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

Jabon (A. cadamba (Roxb.) Miq.) is one of forestry plants that be developed widely nowadays in planted forest or public forest. Jabon included in fast growing species with straight and cilindris stem. It can make Jabon is very intrested for raw material of wood industry. However rapid development of jabon have not been followed with land usage with agroforestry system. Land usage with agroforestry system with appropiate pattern can increase economical revenue and also can realize conservation activity of soil and water below the stand. setting of good planting pattern is affected by root system of plants. It is related with competition of nutrient absorption between main plant and agricultural plant. Beside that, root system also affect crown growth that continually affect on sun light availability, temperature, and humidityfor agricultural plants. This research aims to examine the length and depth of lateral root of jabon on mixture pattern and monocultural pattern. benefit of this research is for giving reference of agricultural species that is appropiate with root condition. The result showed that root system on mixture pattern has longerand deeper root than root on monocultural system. Setting of appropiate planting spaces between main plant with agricultural plant is very needed for avoiding nutrient copetition, water, and light.
Growth Respons of Jabon from Different Seed Source on Fertilizer Application on the Ex-mines Site of PT. Kaltim Prima Coal, Sangatta, East Kalimantan Safriati Safriati; Irdika Mansur
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

Mining exploitation activities include opening land activities, topsoil removal, dredging and stockpiling could pose a negative impact to the environment. The impact of mining activities may include the opening of forest canopies and soil layer, soil erosion, sedimentation, decreased fertility  and land stability, destruction of wildlife habitat, and the environment contamination for human beings, the loss of plant species diversity, pollution of waterways, and drastic changes as a result of the loss of function of the forest microclimate. By the Indonesian law, mining companies are responsible for the reclamation of their ex-mine sites. Jabon (Anthocephalus cadamba) is a local tree species which can be planted as  pioneer tree species on ex-mine sites. It is a fast growing species from the family of Rubiaceae having many uses. Objectives of the research were to observe the effects of different seed source  and fertilizer application on the growth of jabon on an ex-mine sites of PT Kaltim Prima Coal at Sangatta, East Kalimantan Province.  The results of the research show that jabon seedlings with seed source from Malang are more superior than from Sangatta, and 50 g NPK fertilizer per seedlings increased growth of jabon seedlings significantly.
Diversity of Mesofauna and Macrofauna of Soil at Tin Post-Mined Area in Belitung Residence, Province of Bangka-Belitung Iwan Hilwan; Eko Putranti Handayani
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

The existence of mesofauna and macrofauna of soil depend on availability of energy and feed resources for sustainable their life, such as organic matter and biomass which is related with carbon cycle in the soil. Availability of energy and nutrient for soilfauna, could be growth and their activities will be in good perform and give positif impact to soil fertility. The obyective this study to identify species diversity of mesofauna and macrofauna of soil and to analyse environment factors which is influence on availability of mesofauna and macrofauna of soil at several ages tin post-mined area in Belitung Residence. The benefit this research to provide information and suggestion  to monitor diversity of mesofauna and macrofauna of soil at tin post-mined area and environmental changes in physical and chemical soil properties, with the result that can determine next treatments for reclamation activity in tin post-mined area. The result showed that the age of tin post-mined area is very important  factor to influence of species diversity level of mesofauna and macrofauna of soil. This factor is direct related with development of vegetation and dynamic of physical and chemical soil properties. Sample plot in Batu Itam village with vegetation like secondary forest have highest value of richness index and heteroginity index than sample plot in Aik Merbau village and Tanjung Pendam village which is vegetation as shrub.
Diversity of Insects in Mangrove Ecosystem Noor Farikhah Haneda; Cecep Kusmana; Fitria Dewi Kusuma
Jurnal Silvikultur Tropika Vol. 4 No. 1 (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.4.1.%p

Abstract

Mangrove is the habitat of various insects which have important function of ecosystem. However, many insect species and their functions in mangrove ecosystem have not been identified yet. This research is aimed to elucidate the species composition of mangrove in relation to the species diversity of insect. This research was conducted in three different mangrove stand in Mangrove Protection Forest of Angke Kapuk and Soedyatmo highway mangrove area. They are monoculture stand of Avicennia marina, mixed stand of A. Marina and Rhizophora mucronata, and mixed stand of Sonneratia alba and R. mucronata. Sampling was collected by using line quadrat method. There were eight quadrats (10 m × 10 m) suspended at every mangrove stand. Incest traping was using yellow-pan trap method. The result indicates that the mixed stand A. Marina and R. mucronata has the highest value of insects abundance. The dominant insect at every mangrove stand were order of Diptera.

Page 8 of 50 | Total Record : 492

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