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Bambang Hero Saharjo
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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 : Journal of Tropical Silviculture
Published by Institut Pertanian Bogor
ISSN : 20868277     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 346 Documents
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PERAN CURAH HUJAN TERHADAP PENURUNAN HOTSPOT KEBAKARAN HUTAN DAN LAHAN DI EMPAT PROVINSI DI INDONESIA PADA TAHUN 2015-2016 The Role of Rainfall Towards Forest and Land Fires Hotspot Reduction in Four Districs in Indonesia on 2015-2016 Saharjo, Bambang Hero; Velicia, Wela Alfa
Jurnal Silvikultur Tropika Vol. 9 No. 1 (2018): 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.9.1.24-30

Abstract

Forest and land fires are not a new phenomenon for some areas in Indonesia, such as Kalimantan andSumatra. Riau, South Sumatra, West Kalimantan and Central Kalimantan are among provinces that havebeen suffered from severe forest and land fires every year. One of the natural factors affecting forest andland fires occurrences in Indonesia is climate. This study analyzes the relationship between hotspots andrainfall in Indonesia on 2015-2016. The results show that a large number of hotspots is found in the dryseason when the rainfall was less, i.e., on July - October 2015 and July - August 2016. Statistically, monthlyrainfall and monthly hotspots has a negative correlation (-) with R2 = 42.5% and P-value = 0.001. Theequation built is y = 3182 - 2.50x, where y denotes hotspots and x for rainfall.Key words: forest and land fires, hotspot, rainfall
HAMA MANGROVE DI KECAMATAN BATU AMPAR, KABUPATEN KUBU RAYA, KALIMANTAN BARAT Mangrove Pests at Batu Ampar, Kubu Raya, West Kalimantan Haneda, Noor Farikhah; Suheri, Mohamad
Jurnal Silvikultur Tropika Vol. 9 No. 1 (2018): 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.9.1.16-23

Abstract

Mangrove ecosystem is a complex tropical forest ecosystem that is able to live and to adapt in coastal environments.Unfortunatelly, its existence is vulnerable to the environmental change. Unless utilization of mangrove forest is notfollowed by enrichment and rehabilitation, it will lead to degradation of logged-over land such as pest and diseaseinfestation. The pest study was conducted in mangrove stands in PT. Bina Ovivipari Semesta (BIOS), Kubu Raya, WestKalimantan. The result of study consisted of three sample plots obtained from the average of mangrove pest on thecutting area of 2017 (93.33%), attack intensity (28%). Additionally, the average of cutting area of 2012 were at 91.95%and attack intensity (29%) while the protection forest obtained the average of attack at 79.23% and attack intensity(21.87%). The results of pest identification of mangrove arboretum were 9 pests, including pagoda bagworm (Pagodiellaspp.), bagworm (Acanthopsyche sp.), krama / tree climbing crab (Episesarma spp.), nacerdes beetle (Xanthochroa sp.),aphid (Prociphilus tessellatus), barnacles (Balanus amphitrite), snails (Gastropoda Class), cobwebs, leatherleaf slugs(Vaginula bleekeri).Key words: Kubu Raya, Mangrove, Pagodiella spp., PT. BIOS
PEMULIHAN VEGETASI DI AREAL HUTAN YANG DIKELOLA DENGAN SISTEM TPTJ Recovery of Vegetation in the Forest Area Managed by TPTJ System Pamoengkas, Prijanto; Sari, Gusti Dianda
Jurnal Silvikultur Tropika Vol. 9 No. 1 (2018): 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.9.1.7-15

Abstract

Massive utilization of forest resources became one factor which caused degradation on natural forest. Forestdegradation which occurred continuously could cause a change in forest composition. This could happen becauseseedling from invasive species dominated the area of natural forest. This research aimed to determine the compositionand structure of recovering forest stands managed by TPTJ system in area of IUPHHK-HA PT. Suka Jaya Makmur,West Kalimantan. The results showed that non-commercial Dipterocarp species group had the biggest value of densityand proportion among all stages of Dipterocarp stand. Curve diameter distribution showed a balanced logged forest.The diversity in all plot-area was high. Kelampai and Meranti were dominated in canopy level. Aternatif; Kelampai andMeranti were dominant at canopy level Jambu monyet and Kelampai were the species that dominated in seedling level.Alteratif; Jambu monyet and Kelampai were the species that were dominant at seedling level Tree and seedling had adifferent composition, it was shown by the ID value at >50%. This was shown by cluster analysis which divided into fourgroups. Commercial species proportion was generally larger than other non-commercial species.Key words: forest utilization, line planting, selective cutting, vegetation recovery
KESESUAIAN Durio zibethinus Murr. DAN Nephelium lappaceum L. PADA LAHAN BLOK PEMANFAATAN TAHURA GUNUNG MENUMBING, BANGKA BARAT Suitability of Durio zibethinus Murr. and Nephelium lappaceum L. on the Utilization Block at Menumbing Mountain Grand Forest Nursjahbani, Nuri; Rusdiana, Omo; ., Darmawan
Jurnal Silvikultur Tropika Vol. 9 No. 1 (2018): 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.9.1.1-6

Abstract

The conversion of forests to non-forests by communities has resulted in the loss of forest ecosystems and a reductionin the area of land that can be utilized for nature tourism at Menumbing Mountain Grand Forest Park (MMGFP).Revegetation is needed by planting several types of forest vegetation that generate economic benefits for the communityas well as attracting natural tourism in MMGFP utilization block such as durian (Durio zibethinus Murr.) and rambutan(Nephelium lappaceum L.). It is necessary to evaluate utilization block to ensure that both species grow well andproductivity of fruits have optimal yield. This study aims to obtain recommendations for improvements of the land qualityalong with the suitable characteristics to be limiting the growth of durian and rambutan. Suitability evaluation of durianand rambutan refers to the land suitability classification criteria compiled by Indonesian Center for Agricultural LandResources Research and Development by matching the growth requirements of both types with land utilization blockcharacteristics. Durian and rambutan are considered to be marginally suitable (S3) for planting in most land utilizationblock. The limiting factor of durian and rambutan is rooting medium, i.e texture and nutrient retention, comprising pH ororganic carbon (C-organic). The texture of the soil can not be modified because it is permanent. Soil pH can beincreased through liming. The soil C-organic content can be increased through the application of organic fertilizer. Afterboth efforts are made, the planted durian and rambutan are likely to grow well and productivity of the fruit will beoptimal so that revegetation in the utilization block will be successful and problems faced in MMGFP will be solved.Key words: Liming, marginally suitable, organic fertilizer, revegetation
RESPON PERTUMBUHAN TUNAS SANINTEN (Castanopsis argentea (Blume) A.DC.) TERHADAP PEMBERIAN ZAT PENGATUR TUMBUH BAP DAN IAA SECARA IN VITRO The growth response of Saninten (Castanopsis argentea (Blume) A.DC.) In Vitro by Adding Plant Growth Regulator BAP Wulandari, Arum Sekar; Sulistiani, Erina; Agustiani, Esthi Liani
Jurnal Silvikultur Tropika Vol. 8 No. 3 (2017): 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.8.3.208-214

Abstract

Saninten (Castanopsis argentea (Blume) A.DC.) is one of the member Fagaceae family which can produce wood and non-wood product. Micropropagation of saninten by in vitro has never been reported. This research aims to identify the growth response of saninten shoot by adding Plant Growth Regulator (PGR), they are 6-benzylaminopurine (BAP) and indole-3-acetic-acid (IAA) with different concentrations in propagation in vitro on woody plant medium (WPM). The research conducted a completely randomized design (CRD) factorial. They are PGR type and PGR concentration. The PGR type consist of two levels namely BAP and IAA. PGR concentration consist of three levels namely 0 mg/L BAP and IAA, 0.5 mg/L BAP or 0.1 mg/L IAA, and 1.0 mg/L BAP or 0.1 mg/L IAA. Parameters observed is the amount of shoot, shoot height, and callus growth. The combination of BAP (0, 0.5, 1 mg/L) and IAA (0, 0.1, 0.1 mg/L) haven’t produce optimal growth of shoot. WPM medium with 0.5 mg/L BAP was able to produce the best of percentage of shoot, the number of shoots, and shoot height growth. WPM medium with IAA concentration of 0.1 and 0.2 mg/L produce explant with callus.Key words: 6-benzylaminopurine (BAP), Castanopsis argentea, indole-3-acetic-acid (IAA), woody plant medium (WPM)
PERTUMBUHAN SEMAI GMELINA (Gmelina arborea Roxb.) PADA MEDIA BEKAS TAMBANG SILIKA DENGAN PENAMBAHAN PUPUK KANDANG KAMBING DAN ARANG KAYU Growth for Gmelina (Gmelina arborea Roxb.) on the Post Mine Silica with the Addition of Goat Manure and Wood Charcoal Wasis, Basuki; Anggraini, Novi
Jurnal Silvikultur Tropika Vol. 8 No. 3 (2017): 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.8.3.203-207

Abstract

Mining activity consists of land clearing, erosion of soil horizons, dredging and hoarding. The mining activities will impact to the soil fertility. The addition of soil nutrition can be done by giving goat manure and wood charcoal. This research aims to examine the effect of wood charcoal and goat manure addition to the growth of gmelina (Gmelina arborea Roxb.) seedlings on the post mine silica soil. This research used randomized complete design wit two factorials. Parameter observed in this search is high, diameter and biomass. Observations in 12 weeks whows that single treatment of wood charcoal was not significantly different to all parameters in the 95% interval. The single treatment of goat manure and its interaction with wood charcoal shows a significant different to all parameters observed. The best combination to the growth of gmelina seedling on post mine silica was 100 g of goat manure and 40 gr of wood charcoal.Key words: fertilizer of goat manure, G. arborea, wood charcoal.
PENGGUNAAN CENDAWAN ENTOMOPATOGEN Beauveria bassiana (BALSAMO) VUILLEMIN DAN Lecanicillium lecanii (ZIMM) ZARE & GAMS UNTUK MENGENDALIKAN Helopeltis antonii SIGN (HEMIPTERA: MIRIDAE) The Use of Entomopathogenic Fungi Beauveria bassiana (Balsamo)Vuillemin Anggarawati, Sri Hastuti; Santoso, Teguh; Anwar, Ruly
Jurnal Silvikultur Tropika Vol. 8 No. 3 (2017): 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.8.3.197-202

Abstract

Helopeltis sp. has been known as one of major pests on tea, cacao and cashew plantation. Recently, genus Helopeltis is also reported attack Acacia plantation in Sumatra and Kalimantan. For such extensive plantation, low cost biocontrol agents like entomopathogenic fungi are choosen because of the simplicity for mass production. The objective of this study was to measure the effectiveness of Beauveria bassiana and Lecanicillium lecanii against Helopeltis sp. Both fungi that were used in this study were obtained from IPB Insect Pathology Laboratory. The tested insect, Helopeltis sp. was collected from Gunung Mas tea plantation. The insects were reared in laboratory. Four level of conidial density, 109, 108, 107, 106 conidia/ mL were applied to Helopeltis adult (B. bassiana) and 3rdinstar nymph (L. lecanii). Daily mortality was observed until seven days post treatment. The result showed that L. lecanii at 106 conidia/mL caused 96.25% mortality of 3rd instar nymph of Helopeltis sp. with the LC50 value at two days observation was 1.03 x 106 conidia/ mL, LT50 was 1.198 days and LT95 was 5.25 days. On the other hand, B. bassiana at 106 conidia/ mL caused 81.25%. mortality of adult Helopeltis sp. while 100% mortality could be attained by using 108 conidia/ mL. The LC50 of B. bassiana was 3.2 x 104 conidia/ mL, at four days observation and LT50 was 4.214 days. The two fungi were thus judged effective against Helopeltis sp. in this bio assay.Key words: Beauveria bassiana, conidia, density, Helopeltis sp., Lecanicillium lecanii, mortality.
ASOSIASI POHON DENGAN EPIFIT Hoya spp. DI TAMAN NASIONAL BUKIT DUABELAS Tree Association with Epiphytes Hoya spp. in Bukit Duabelas National Park Damayanti, Inggar; Siregar, Iskandar Z.; Rahayu, Sri
Jurnal Silvikultur Tropika Vol. 8 No. 3 (2017): 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.8.3.191-196

Abstract

In the tropical rainforests of Jambi, Sumatera, a particular group of epiphytes, species in the genus Hoya, have significant potential to be developed as commercially valuable ornamental plants, because of the uniqueness and beauty of their flowers. Hoya spp. are epiphytic vines whose survival depends largely on the presence of carrier trees, i.e. phorophyte trees. The study reported here was conducted to identify the level of epiphytic association between phorophyte trees and identified Hoya species. The study found four Hoya species, namely: Hoya rintzii, Hoya revoluta, Hoya coronaria, and Hoya cf. caudata. The four species of Hoya were found growing on eleven different species of phorophyte trees. Based on the results of t-contingency tables it was found that there is no association between particular Hoya species and the particular phorophyte tree species. This conclusion was supported by the calculation of Jaccard association indices demonstrating that the association between Hoya spp. and phorophyte tree species is relatively weak. Crown cover and the diameter of the tree are two habitat variables that affect the presence of Hoya revoluta at the sites. The presence of Hoya caudata was influenced by the variable temperature, while the presence of Hoya coronaria was associated with humidity, but the degree of association was relatively weak. The most significant variables affecting the presence of Hoya rintzii were tree height and elevation.Key word: association, ephyphites, Hoya spp, phorophyte.
PENGENDALIAN KEBAKARAN HUTAN DI KPH MADIUN PERUM PERHUTANI UNIT II JAWA TIMUR Forest Fire Management in KPH Madiun Perum Perhutani Unit II East Java Saharjo, Bambang Hero; Putra, Elga Tiara
Jurnal Silvikultur Tropika Vol. 8 No. 3 (2017): 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.8.3.183-190

Abstract

Forest fires bring substantial losses in many aspects, especially for forest resources. Therefore, forest fire management should take into account at each of Indonesian forest area. KPH Madiun has suffered from a large forest fire in the recent 5 years, thus research to analyze the trigger factors and an effort to manage forest fire should be gone. This research used data triangular methods for data collecting and qualitative description analyse to analyze the data. Results of this research clearly shows that forest fire in KPH Madiun was mainly came from local people activities such as, burning the forest to clear the land (43%) and due to social conflict (15%). The forest fire prepetion emphasized on social approach in community based forest management (CBFM) by planting medicinal plant and establishing the forest Danger Index (FDI) board. The local people participated in fire extinction (49%), while the other not participate yet. There was no fire truck and fire monitoring tower found in the study area. Finding and arresting the suspect behind forest fire is the most difficult thing to do in post-fire management.Key words: forest fire, local people, fire management
PEMANFAATAN POME SEBAGAI PUPUK ORGANIK PADA LAHAN PASCATAMBANG BATUBARA The Application of POME (Palm Oil Mill Effluent) as Organic Fertilizer for Ex-Coal Mine Soil Maharani, Puspita Laksmi; Pamoengkas, Prijanto; Mansur, Irdika
Jurnal Silvikultur Tropika Vol. 8 No. 3 (2017): 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.8.3.177-182

Abstract

Processing of palm oil generates enormous quantities of wastewater commonly called palm oil mill effluent (POME). The aim of the research was to evaluate the effect of POME as organic fertilizer on Melaleuca cajuputi seedling. The research was conducted at PT. Bukit Asam from November 2016 until March 2017. POME used was from PT. Bumi Sawindo Permai at Tanjung Enim, South Sumatera. POME from Fat pit, cooling pond, anaerob pond and maturity pond were applied to seedlings at nursery with different concentrations of POME Fat pit (625, 417, and 208 mL), Cooling pond (695, 463, dan 232 mL), Anaerob pond (738, 492, dan 246 mL), and Maturity pond (968, 645, dan 323 mL). The result showed that POME from Anaerob pond 246 mL increased the growth of M. cajuputi with plant high 47.35 cm and stem diameter 5.57 mm and total dry weight of CM (Calopogonium mucunoides) was 26.83 g.Key words: ex-coal mine soil, Melaleuca cajuputi, POME

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