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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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Plant Diversity in Protected Area of IUPHHK-HT PT. Wana Hijau Pesaguan in Province West Kalimantan Istomo Istomo; Khalid Hafazallah
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): 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.14.01.30-38

Abstract

Protected area in plantation forest should be managed properly in order to sustainable development. One of the initial steps of the protected area management is by knowing the level of plant diversity which composing the community of its vegetation. The aim of this research is to measure plant diversity in protected area of IUPHHK-HT PT. Wana Hijau Pesaguan in Province West Kalimantan. Vegetation analysis is done at riverbanks, slope area more than 40% and conservation area of biodiversity. The result is that there are found 295 species of plants consisting 222 trees, 32 under storey plants, 38 lianas and 3 epiphytes. Shannon-Wiener diversity index (H’) values of trees with anystage of growth are about 3.02–4.41, which classified as high level of diversity. Under storey plants and lianas have H’ values about 1.00-3.22 which classified as mid level diversity. The diversity level of epiphytes are low to mid, with H’ values 0-1.04. Similarity Index value between all locations are low (less than 75%) except for epiphytes, which only in conservation area of biodiversity had different epiphytes composition comparing to the other sites. Key words: plant diversity, plantation forest, protected area, West Kalimantan
The Effect of Essential Oils of Citronella and Patchouli Oil on Growth of Botryodiplodia sp. In Vitro Muhammad Alam Firmansyah; Anuraga Jayanegara; Mafrika Ria Gita Solaya; Ikhwan Shodiq Syifaudin
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): 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.14.01.39-46

Abstract

Pathogen Botryodiplodia sp. is a fungus that causes dieback and stems rot diseases that attack forestry plants. The control currently being used in the field is using chemical pesticides, which are harmful to the surrounding environment and the plant itself, so there is a need for another alternative, namely using citronella and patchouli essential oils. Essential oils of citronella and patchouli have active compounds that act as antifungals to inhibit the growth of the pathogenic fungus Botryodiplodia sp. This study aimed to analyze the effect of citronella and patchouli essential oils on inhibiting the growth of the pathogen Botryodiplodia sp. in vitro. The results showed that the 10% patchouli treatment had the highest PDA and PDB media inhibition value. The lowest inhibition value was found in the 1% citronella treatment. The level of concentration, type of oil, and active ingredients contained in the oil affect the increase in effectiveness in controlling the pathogen Botryodiplodia sp. Keywords: antifungal, Botryodiplodia sp., citronella, in vitro, patchouli
Growth of Salam (Syzygium polyanthum) to the Application of Cow Manure and Husk Charcoal on Used Oil Contaminated Soil Basuki Wasis; Deni Prihanto
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): 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.14.01.47-56

Abstract

Salam plant (Syzygium polyanthum) can grow in marginal soils, such as soil contaminated with used oil. The planting of salam with the application of cow manure and husk charcoal is expected to reduce the bad impact of used engine oil pollution. This study aims to analyze the response to the growth of salam and to obtain information on the optimal dose to increase the growth of salam to the application of cow manure and husk charcoal on soil contaminated used engine oil with a concentration of 60 ml/1 kg of soil. The study used a factorial completely randomized design with two factors and soil analysis test. The result showed that the application of cow manure and its interaction with husk charcoal significantly affected the root shoot ratio (NPA) parameter. The combination of 60 grams of cow manure and 60 grams husk charcoal had the best NPA value of 3,11. The high growth of salam tended to be optimal in the K4A0 treatment (dose of 120 gram of cow manure and 0 gram of husk charcoal). The application of treatment can reduce the Al, Zn, and Mn content in the contaminated with used engine oil. Keywords: cow manure, husk charcoal, root shoot ratio, Syzygium polyanthum, used engine oil
Hotspot Analysis and Burned Area in Sumba Timur District East Nusa Tenggara Province Ati Dwi Nurhayati; Fazil Azhar
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): 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.14.01.57-63

Abstract

East Sumba District is one of the provinces in Indonesia that has low rainfall intensity resulting in a prolonged dry season make it is very vulnerable to fire hazards. This study aims to identify the distribution of hotspots and analyze the effect of annual rainfall intensity on the distribution pattern of hotspots in East Sumba District in 2015 and 2019. The data used in this study are hotspots from MODIS Terra/Aqua satellite imagery, administrative area data in spatial form, from BIG, land cover data from KLHK, and rainfall data from CHIRPS. The results showed that the number of hotspots in 2015 was 148, with the highest number of hotspots occurring in savanna/grassland land cover is 89. In 2019 there were 164 hotspots with the highest distribution in savanna/grassland land cover types. The area burned in 2015 in East Sumba District was 46.565, in 2019 it was 51.595 hectares. The lowest rainfall occurred in September 2015 was 5.9 mm and the highest rainfall occurred in January 2019 was 328 mm. Keywords: forest and land fires, hotspot, rain fall, land cover, Sumba Timur District
Determination shape and size optimal plot example of measurement for plant species diversity in Mountain Forest Iwan Hilwan; Yanto Santosa; Siti Nahla
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): 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.14.01.64-70

Abstract

Information of vegetation structure and composition of terrestrial flora biodiversity can be measured by vegetation analysis method. The method requires sampling plots as a measurement plot capable to describe species in a forest stand. The distribution of a species of diversity, especially plants, is relatively dependent on the type of plant with the condition of the area it occupies. Therefore, an efficient and representative method is needed for the ecosystem in measuring. The objective of the study was to determine the optimal shape and size of sample plots for measuring plant species diversity at stake in TNGHS as well as to assess the most responsive diversity index. The results showed that the shape and size of the optimal sample plot for measuring plant species diversity at stake in TNGHS was a rectangular plot measuring 3.200 m2. The result of the index processing of diversity, it was found that the Margalef Index gave a more responsive diversity value to the change of species number compared with Menhinick, Simpson and ShannonWiener indices. Key words: composition, diversity index, margalef, structure, terrestrial flora.
Diversity of Insect Species at Different Ages of Rhizophora mucronata Stands Grown with Guludan Technique in Muara Angke, Jakarta Noor Farikhah Haneda; Cecep Kusmana; Siti Mayang Sari Naziah
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): 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.14.01.71-80

Abstract

Insects are among the most significant numbers of living things in the world that have many benefits. However, there are still many insects that have not been identified yet, for example, insects in mangrove ecosystems. Each age of the stand has differences in vegetation structure, so insect diversity research on each age difference of R. mucronata is essential. Sampling was collected by purposive sampling by taking three guludan samples measuring 5 m ´ 10 m. In each sample, a census was carried out to measure the diameter and height of R. mucronata at the age of 17, 13, 9, and 4 years for further vegetation analysis. The capture of insects is carried out using a yellow-pan trap and then identified to the level of morphospecies. The results showed a relationship between the age of different stands. At a young age had a lot of diversity and the highest value of insect abundance. The age of R. mucronata 13 years had the highest quantity dominated by the order Diptera Keywords: density, ecosystem, morphospecies, temperature, yellow-pan trap
White Oyster Mushrooms (Pleurotus ostreatus) Cultivation by Log and Twigs Rubber, Leucaena, Randu, and Balsa Elis Nina Herliyana; Abdul Muhyi
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): 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.14.01.81-90

Abstract

Waste high fells form a log and twig wood type Leucaena (Leucaena leucocephala), rubber (Hevea brasiliensis), randu (Ceiba pentandra), and balsa (Ochroma bicolor) can be used as a medium cultivation of Oyster Mushrooms (Pleurotus ostreatus) to increase the value added of these four types of wood. The research aims to analyze the potential for the cultivation of Oyster Mushrooms white on media log and twig four types of wood, the nutrient content of mushrooms, and the appropriateness of business. The reserch used a completely randomized design (CRD) with 9 single factorial on media treatment of logs and twigs of four kindsdifferent wood; and baglog from sawdust as control. The results showed the average wet weight of fruiting bodies on rubber wood and lamtoro (heavy wood) in both the media logs and twigs , reaching 213 grams and is not significantly different from the control (262 grams) , but it is larger than other types of wood cottonwoods and balsa(light wood) which is, reaching only 130 grams. The efficiency of biological media from all kinds of wood twigs higher (29.6-36 %) and significantly different than logs (11-20.5 %). Vegetative phase on media of logs and twigs randu is faster (14 days) than other media and not significantly different. Generative phase (reproductive) kapok’s logs (62 days) and the branches (44 days) is longer and significantly different than other treatments. White Oyster Mushrooms nutritional content of all media types are quite good and worthy of consumption. White oyster mushroom cultivation using media log and twig are fit enough developed. Keywords: heavy wood, light wood, cultivation of white oyster mushroom, nutritional content
Analisis Kualitas Air untuk Pengembangan Sarana Rekreasi dan Budidaya Perikanan di Situ Cicadas Nevky Emiraj Saputra; Cindikia Annisa Puspadewi; Hariadi Propantoko
Jurnal Silvikultur Tropika Vol 14 No 02 (2023): 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.14.02.90-96

Abstract

Keberadaan Situ Cicadas sangat penting untuk keberlangsungan hidup masyarakat secara sosial ekonomi maupun psikologis. Ke depannya, pengembangan Situ Cicadas akan difokuskan untuk menjadi kawasan rekreasi air dan budidaya perikanan. Namun permasalahan yang dihadapi ialah kondisi hulu Situ Cicadas merupakan perusahaan dan pemukiman masyarakat diduga menjadi sumber pencemar badan air situ Cicadas. Sehingga perlu untuk mengetahui kualitas air dan nilai dari parameter pencemaran di Situ Cicadas. Hasil penelitian ini diharapkan menjadi informasi penting untuk perencanaan pengelolaan situ Cicadas ke depannya. Hasil penelitian menunjukkan bahwa perairan di situ Cicadas mempunyai kecerahan dan pH yang baik untuk dilakukannya budidaya perikanan dan rekreasi air. Namun kandungan TSS, BOD, dan COD jauh melebihi nilai baku mutu air yang ditentukan oleh pemerintah melalui PP Nomor 22 tahun 2021. Sehingga, perlunya tindakan bersama para pihak untuk menjaga dan meningkatkan kualitas perairan di situ Cicadas. Kata kunci: Kualitas air, parameter pencemar, situ Cicadas
Diversity of Vegetation on Coffe Based Agroforestry System in Rowosari Village Sumberjambe District Jember Regency Ardi Firmansyah; Nilasari Dewi; Nanang Tri Haryadi; Agung Sih Kurnianto
Jurnal Silvikultur Tropika Vol 14 No 02 (2023): 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.14.02.97-105

Abstract

Sistem agroforestri berbasis kopi merupakan salah satu sistem agroforestri yang memiliki tanaman beraneka ragam dan mendukung layanan ekosistem. Penelitian ini bertujuan untuk mengetahui keanekaragaman vegetasi pada sistem agroforestri berbasis kopi di Desa Rowosari, Kecamatan Sumberjambe, Kabupaten Jember. Penelitian dilaksanakan di lahan agroforestri sederhana dan agroforestri kompleks secara purposive sampling untuk mengambil data vegetasi melalui metode kuadrat petak tunggal. Hasil penelitian menunjukkan bahwa indeks nilai penting tertinggi pada tumbuhan bawah yaitu Oplismenus hirtellus di lahan agroforestri kompleks (INP = 36,607%) dan lahan agroforestri sederhana (INP = 36,301%). Indeks nilai penting tertinggi pada pohon di lahan agroforestri kompleks yaitu Coffea canephora (INP = 101,158%) serta di lahan agroforestri sederhana yaitu Pinus merkusii (INP = 107,104%) dan Coffea canephora (INP = 105,832%). Indeks keanekaragaman jenis, kemerataan jenis, dan kekayaan jenis pada tumbuhan bawah memiliki nilai terbesar. Kata kunci: agroforestri, keanekaragaman, struktur vegetasi
Seedballs Applications to the Growth of Jackfruit (Artocarpus heterophyllus), Bisbul (Diospyros blancoi), and Merbau (Intsia bijuga) Adisti Permatasari Putri Hartoyo; Khorina Rahmadhani; Talitha Nur Syahira; Rizka Aulian Kusuma; Novita Julia Astuti; Dicky Maulana; Dimas Nur Muhammad
Jurnal Silvikultur Tropika Vol 14 No 02 (2023): 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.14.02.106-113

Abstract

The area of ​​critical land in Indonesia is increasing. Critical land rehabilitation has been carried out by one of the methods used is direct planting. However, direct planting has drawbacks, namely the seeds are very prone to be eaten by insects and birds, and the seeds are easily damaged due to environmental factors. One method that can be tested is the application of seedballs using adaptive plants, such as jackfruit (Artocarpus heterophyllus), bisbul (Diospyros blancoi), and merbau (Intsia bijuga). The purpose of this study was to formulate seedballs and their application for the growth of jackfruit (A. heterophyllus), bisbul (D. blancoi), and merbau (I. bijuga) plants. This study used a quantitative descriptive analysis method with 3 types of seedballs’ formulas. The results showed the fastest germination rate was produced by formula 1 (clay) on bisbul, formula 2 (clay: topsoil) on jackfruit, and formula 3 (clay: topsoil: husk charcoal: palm waste) on merbau. The highest seed germination capacities were formulas 1 and 3 for jackfruit species, formulas 2 and 3 for bisbul species, as well as formulas 1 and 2 for merbau species. Formula 3 is generally able to increase the height, diameter, and number of leaves of plants. Keywords: acceleration of rehabilitation, adaptive plant, oil palm waste

Page 41 of 50 | Total Record : 492

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