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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 (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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The Effect of Two Types of Coffee-Based Agroforestry on The Population of Black Ants (Dolichoderus sp.) on The West Slope of Raung Mount Dewi, Nilasari; Aini, Falzah Riski Khoirotul; Haryadi, Nanang Tri; Kurnianto, Agung Sih
Journal of Tropical Silviculture Vol. 15 No. 03 (2024): Jurnal Silvikutur 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.15.03.201-209

Abstract

Gunung Raung merupakan gunung yang terletak di tiga kabupaten di Jawa Timur, yakni Kabupaten Jember, Bondowoso, serta Banyuwangi. Salah satu pemanfaatan lahan di lereng barat Gunung Raung digunakan sebagai lahan agroforestri berbasis kopi. Penggerek buah kopi merupakan hama yang sering ditemui oleh petani kopi di Desa Rowosari dan masih sulit dikendalikan. Salah satu pengendalian yang dapat dilakukan adalah dengan menciptakan vegetasi yang mendukung keberadaan musuh alami khususnya Dolichoderus sp. Penelitian ini bertujuan untuk mengetahui pengaruh berbagai jenis agroforestri terhadap populasi semut hitam (Dolichoderus sp.). Penelitian ini dilakukan dengan metode analisis vegetasi untuk mengetahui karakter vegetasi dan menggunakan alat vakum untuk mengumpulkan semut. Jumlah populasi semut Dolichoderus sp. pada lahan wanatani sederhana berbasis kopi terdapat 6.520 individu, sedangkan pada lahan wanatani kompleks berjumlah 1.330 individu. Data yang diperoleh kemudian dianalisis menggunakan analisis regresi dan korelasi. Hasil penelitian menunjukkan bahwa keanekaragaman dan kekayaan tumbuhan bawah mempunyai hubungan yang negatif, sedangkan hubungan antara keanekaragaman dan kekayaan tumbuhan bawah menunjukkan hubungan yang positif. Kata kunci: agroforestri, tanaman kopi, Dolichoderus sp.
Seedlings Quality of Rain Tree, Balsa, and Soursop in The BPDAS Permanent Nursery, Solo Nufus, Malihatun; Widodo, Tulus
Journal of Tropical Silviculture Vol. 15 No. 03 (2024): Jurnal Silvikutur 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.15.03.210-215

Abstract

The quality of seedlings reflects of the genetic and physiological quality of plants. Good seedlings are an important factor in the success of planting. This study aimed to assess the quality of seedlings produced at the BPDAS Solo Permanent Nursery. The assessment of seedling quality criteria is based on the Regulation of the Director General of RLPS Number P.05/V-SET/2009 and SNI 8420:2018. Three species of seedlings are assessed, namely trembesi, balsa, and soursop. The origin of the seeds of the 3 species of seedlings tested did not come from a certified seed source or had seed quality information so they had not passed the test for the seed origin criteria. The physical quality requirements for seedlings include the percentage of normal seedlings and the average of special requirements for the three species of seedlings tested in the category of passing the test and first quality (P). This showed that BPDAS Solo Permanent Nursery produces seedlings that meet standards and are ready to be planted in the field. Keywords: seedling quality, raintree, balsa, soursop, permanent nursery
Estimation of Carbon Stocks in Five Years Old Mangrove Stands in Jakarta Kusmana, Cecep; Amanta, Neysa Nurma
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.79-87

Abstract

Global warming is an increase in the average temperature of the earth's surface due to the effects of greenhouse gases, such as carbon dioxide. Global warming can be prevented by maintaining forest structure and increasing tree density in the forest, one of which is in the mangrove forest ecosystem through rehabilitation using bund techniques. This research aims to analyze the type composition and structure of mangrove stands, estimate carbon storage and carbon dioxide uptake in five-year-old mangrove stands in Jakarta. The research method used is vegetation analysis through simple random sampling. Data analysis was obtained through vegetation analysis, environmental factor analysis, and estimating carbon storage and carbon dioxide uptake in mangrove stands. The research results showed that the species growing at the research location were Rhizophora mucronata and Sonneratia caseolaris. Carbon storage in mangrove stands at the research location is 72.99 tonnes/ha, with a carbon dioxide absorption capacity of 267.63 tonnes/ha. Keywords: carbon stock, carbondioxide absorption, mangrove, guludan technique
Adaptation Level of Growth of Sengon (Paraserianthes Falcataria. L. Nielsen)) in Areas After Land Fire Sengonization in Bellabori Village, Parang Loe District Gowa District Muchtar, Asikin; Magung, Agustinus; Herawaty; Wahyullah
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.88-93

Abstract

This research aims to determine the level of adaptation to the growth of sengon (Paraserianthes falcataria) in the Sengonization Land Fire Ex-Fire Area in Belabori Village, Parang Loe District, Gowa Regency and to determine the security and protection system for Sengon (Paraserianthes falcataria) stands in the Sengonization Land Fire Ex-Fire Area in Belabori Village Parang Loe District, Gowa Regency. This research method is observation, namely making direct observations of research objects related to the problem being studied. This data was obtained through direct observation in the field, and direct observation of the objective conditions of this research location in Belabori Village, Parang Loe District, Gowa Regency, South Sulawesi. Primary data is data obtained from observations and recording of sengon tree species that are able to live on fire-affected land. The results of the research show that the growth adaptation level of Sengon (Paraserianthes falcataria L.Nielsen) after the fire in the Sengonisasi area, Bellabori Village, Parangloe District, Gowa Regency is very high, namely with an adaptation level of 87.27%, and the system for protecting and securing Sengon plants in the Sengonization location area Bellabori Village, Parangloe District, Gowa Regency is using a traditional protection system, namely by guarding the Guard Post, fencing the planting area with a living fence, and planting anti-fire plants from White Teak as a buffer zone from fire attacks, monitoring the perimeter of the planting area, and building a tower. fire in the corner of the area. Keywords: Growth, adaptation, sengon, fire scars
The influence of stand structure on abundance and moisture content of fuel in the Cilegon PLTGU Conservation Area Saharjo, Bambang Hero; Hutauruk, Cristian Santo
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.100-106

Abstract

Stand structure will affect fuel characteristics in forest stands. Forest fuel characteristics have an important role in determining fire behavior in forest fires. The purpose of this study was to determine the effect of vegetation stand structure on the abundance and moisture content of fuels that affect the chances of forest fires in the Cilegon PLTGU conservation area. Vegetation analysis and measurement of fuel characteristics were conducted in two different stands, namely monoculture and polyculture stand. The parameters used to conduct vegetation analysis are tree height, first branch height, Diameter at Breast Height (DBH) and crown cover, while the parameters of fuel characteristics are abundance, thickness and moisture content of fuel. Based on the results of fuel characteristics research in monoculture stands resulted in abundance, thickness and moisture content of fuel respectively 11.35 tons/ha, 15 cm and 13,61%, while in polyculture stands resulted in abundance, thickness, and moisture content of fuel respectively 14.57 tons/ha, 10 cm and 16,46%. The moisture content in monoculture and polyculture stands is below the percentage value of 30% so that the two stands in the Cilegon PLTGU conservation area include areas that are still prone to forest fires. Keywords: forest fires, fuel, moisture content, stand structure
Demonstration of Species Composition, Stand Structure, Biomass and Carbon Storage in Stands at the Bamboo Arboretum, IPB Darmaga Campus Bagaskara, Alamsyah; Kusmana, Cecep; Yunasfi
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.107-114

Abstract

Forest ecosystems can absorb greenhouse gases by absorbing CO2 from the air to store carbon in vegetation. The IPB Darmaga Campus Bamboo Arboretum is one of the green opn spaces on campus in an effort to reduce environmental pollution in the city. The aim of this research is to describe species composition, vegetation structure, estimate biomass potential, carbon storage and carbon dioxide (CO2) uptake, as well as describe soil properties in the Bamboo Arboretum, IPB Darmaga Campus. The method used is measuring diameter and height (trees, poles, stakes, dead wood and dead trees) as well as measuring the water content of undergrowth, seedlings, litter and twigs. Soil data collection was carried out using the purposive sampling method. The research results show that the species composition of the forest stands at the Bamboo Arboretum on the IPB Darmaga Campus is dominated by Hevea brasiliensis (rubber zone and Dipterocarpaceae zone), Bambusa blumeana (bamboo zone), and Swietenia mahagoni (mixed zone). The rubber zone is the zone with the highest value of biomass, carbon storage, and carbon dioxide uptake. The soil organic C content in the Bamboo Arboretum of the IPB Darmaga Campus in the Dipterocarpaceae zone, rubber zone and bamboo zone is high, while in the mixed zone it is medium. Keywords: Biomass, carbon, carbon dioxide, composition, necromass
Species Composition and Tree Structure at Various Altitudes in Gunung Halimun Salak National Park Istomo; Hartoyo, Adisti Permatasari Putri; Azizah, Ummiati
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.115-122

Abstract

rainforest ecosystems. This study aimed to estimate the species composition and tree structure at various altitudes in GHSNP. The study used vegetation analysis through plots measuring 100 m × 20 m with three replications at three altitude ranges: <1000 masl (lowland), 1000-1500 masl (sub-montane), and >1500 masl (montane). At altitudes <1000 and 1000-1500 masl, Pinus merkusii and Schima wallichii are the dominant species, while Dacrycarpus imbricatus dominates at altitudes >1500 masl. The total volume of trees at each altitude range is 473.9 m3/ha, 221.67 m3/ha, and 201.11 m3/ha, respectively. As altitude increases, tree volume decreases. The species diversity index (H') value at all three altitudes is classified as medium, with a 1≤H'≤3 value. Keywords: Dacrycarpus imbricatus, Pinus merkusii, Schima wallichii, West Java
Estimation of Carbon Dioxide Gas Emissions Due to Forest and Land Fires in Muaro Jambi District, Jambi Province Saharjo, Bambang Hero; Ary, Shafiyah Mutiara
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.123-130

Abstract

Kebakaran hutan dan lahan memiliki dampak serius terhadap perubahan iklim karena menghasilkan emisi gas karbon dioksida. Kabupaten Muaro Jambi adalah kabupaten dengan kebakaran hutan dan lahan terparah di Provinsi Jambi. Penelitian bertujuan menduga emisi gas karbon dioksida yang dihasilkan di Kabupaten Muaro Jambi. Metode yang dilakukan adalah dengan menduga luasan area terbakar menggunakan citra Sentinel-2, kemudian dilakukan perhitungan emisi karbon dioksida menggunakan persamaan Seiler dan Crutzen. Hasil penelitian menunjukkan bahwa jumlah hotspot yang terdeteksi di Kabupaten Muaro Jambi secara berurutan pada tahun 2019, 2020, 2021 dan 2022 sebesar 3367, 18, 6, dan 2 titik. Sementara itu, emisi gas karbondioksida yang dihasilkan pada tahun 2019, 2020, 2021 dan 2022 di tanah mineral sebesar 615,913,55 ton, 4.353,76 ton, 415,90 ton, dan 2.895,54 ton. Sedangkan di lahan gambut emisi yang dikeluarkan sebesar 8.922,62 ton, 4.761,38 ton, 36,14 ton, dan 121,35 ton. Kata kunci: emisi gas karbondioksida, hotspot, Kabupaten Muaro Jambi, tutupan lahan
Ethnobotany of The Tengger Community: A Case Study of Ngadas Village, Enclave Area of Bromo Tengger Semeru National Park Hilwan, Iwan; Sabila, Siska Aisyah
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.131-137

Abstract

One of the natural conservation areas in East Java is the Bromo Tengger Semeru National Park (TNBTS). The research aims to carry out ethnobotanical studies in the framework of knowledge preservation. The research procedures included literature study, field observations, interviews, vegetation analysis, and data analysis. The results showed that the use of plants by the Tengger people of Ngadas Village was 69 species of plants. The use group consists of food and vegetable plants, medicinal plants, traditional and religious plants, plants for firewood, building materials, conservation and animal feed. The highest Importance Value Index for field plots for tree growth rate is owned by mountain cypress at 229.56% while forest plots for tree growth rate are owned by cinnamon at 39.95%. The highest Index of Cultural Significance is owned by rice originating from outside Tengger at 72. The Important Value Index of mountain cypress in the fields is 229.56% and the Index of Cultural Significance is 45. This shows the preservation of high mountain cypress when viewed from the INP value although the utilization of mountain cypress belongs to the very high category. Keywords: Bromo Tengger Semeru National Park, ethnobotany, Ngadas, Tengger
Abundance of Soil Macrofauna in Various Land Cover Types in Balangan Regency, South Kalimantan Province Wasis, Basuki; Sajadad, Dwi Hana
Journal of Tropical Silviculture Vol. 15 No. 02 (2024): Jurnal Silvikutur 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.15.02.162-168

Abstract

The presence of soil macrofauna has an important role in maintaining the stability of land ecosystems because they play a role in improving the physical, chemical and biological properties of soil that occur in the immobilization and humification processes. This research aims to analyze the abundance of soil macrofauna and the influence of vegetation types and the environment on the abundance of soil macrofauna in several land covers in Balangan Regency, South Kalimantan. Observations and soil sampling were carried out in a 20 m × 20 m plot using purposive sampling by making 5 subplots measuring 1 m × 1m. This research was carried out on four types of land, namely secondary forests, meranti forests, rubber plantations and empty land. Secondary forest is the only land that has significant differences in the abundance of macro fauna compared to other land uses. Secondary forests have the highest abundance of soil macrofauna, namely 80 individuals/m2, while the lowest is on vacant land at 0 individuals/m2. Secondary forest has the highest diversity, richness and evenness index compared to land cover. The high diversity and abundance of soil macrofauna is influenced by vegetation type, climatic factors (environmental temperature, humidity, light intensity) and edaphic factors (bulk weight, porosity, soil temperature, soil pH, organic C, respiration, litter wet weight, dry weight litter, and water content). Vacant land has the worst soil quality and the lowest abundance of macro fauna, so land reclamation on vacant land needs to be done as soon as possible to avoid soil damage. Key words: secondary forest, soil macro fauna, damaged soil, edaphic, climatic, vegetation

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