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Irwan Mahakam Lesmono Aji
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Jl. Pendidikan No. 37, Kel. Dasan Agung Baru, Kec. Selaparang, Kota Mataram, 83125, Nusa Tenggara Barat, Indonesia.
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INDONESIA
Jurnal Rimba Lestari
Published by Universitas Mataram
ISSN : 27757234     EISSN : 2808960X     DOI : 10.29303/rimbalestari.v1i1.24
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Rimba Lestari (JRL) is a periodic scientific article covering all aspects of forestry and environment sciences which includes, but not limited to the following topics: forest planning, forest policy, forest resources utilization, forest ergonomics, forest ecology, forest inventory, silviculture, and management of regional ecosystems. It is primarily a medium for disseminating original theoretical and experimental researches, as well as technical reviews. This journal issues one volume annually consists of two issues that delivered every May, and October. JRL is published by the Department of Forestry-University of Mataram.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 33 Documents
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SIFAT FISIKA PAPAN SEMEN PARTIKEL DARI SERBUK GERGAJI KAYU KEMPAS (Koompasia malaccensis Maing) Arniwati; Wulandari, Febriana Tri; Lestari, Andi Tri
JURNAL RIMBA LESTARI Vol 2 No 2 (2022): Vol. 2 No. 2 (2022)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v2i2.4

Abstract

The increasing demand for wood and the diminishing potential of forests necessitate the efficient and prudent use of wood resources. To address this issue, alternatives to wood are required, and one such option is particleboard made from wood sawdust. The abundance of waste sawdust from kempas wood (Koompassia malaccensis Maing) is noteworthy, yet this waste material remains underutilized. The objective of this research is to determine: i.) the influence of the particle-to-cement ratio, ii.) the effect of different compressive pressures on the physical properties of kempas wood sawdust particleboard, and iii.) the interaction between the particle-to-cement ratio and compressive pressure on the physical properties of kempas wood sawdust particleboard. In this study, a factorial completely randomized design with two factors was employed. The first factor is the particle-to-cement ratio (P), consisting of three levels: P1 (1:3), P2 (1:4), and P3 (1:5). The second factor is the difference in compressive pressure (T), comprising two levels: T1 (25 kg/cm²) and T2 (35 kg/cm²). There are a total of 6 treatments resulting from the combination of these two factors, repeated three times, and yielding 18 test samples. The results indicate that the ratio of cement to particles only significantly affects density at a significance level of 0.05 but does not impact moisture content and thickness swelling of kempas wood sawdust particleboard. The variation in compressive pressure does not influence any of the physical properties (density, moisture content, and thickness swelling) of the particleboard. Furthermore, the interaction between the particle-to-cement ratio and compressive pressure does not significantly affect any of the physical properties (density, moisture content, and thickness swelling) of kempas wood sawdust particleboard.
IDENTIFIKASI DAN PENGENDALIAN HAMA DAN PENYAKIT DI PESEMAIAN PT NATARANG MINING KABUPATEN TANGGAMUS Yustika, Vidia; Indriyanto; Asmarahman, Ceng
JURNAL RIMBA LESTARI Vol 1 No 2 (2021): Vol. 1 No. 2 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i2.16

Abstract

Quality seedlings are needed to increase land reclamation and rehabilitation activities. Quality seedlings are genetically, physically and physiologically superior seedlings so that they are able to adapt to critical environments. Seedlings are said to be of friendly quality, having normal growth, straight trunk, healthy and free from pests and diseases. One way to provide quality seedlings is to build a nursery like the one at PT Natarang Mining. However, the seedlings produced by this nursery are still of low quality because they are attacked by pests and diseases. In this study, an investigation of pests and diseases in the nursery of PT Natarang Mining was carried out. Data were collected by random sampling with a sampling intensity of 10% so that the sample used was 1,210 forest plant seedlings. Then carried out observations on the forest plant seedlings to see whether there are defects caused by pests and diseases. From the observations it is known that the pests and diseases that attack plant seedlings in the nursery forest of PT Natarang Mining are dominated by snail pests (26%) and leaf spot disease (16%). These pests and diseases can be overcome in several ways, including by implementing thinning activities and by using plant-based insecticides and fungicides such as garlic extract, neem leaves and others. Pest and disease control can also be done by using chemicals such as fungicides with benomyl and sulfur as an active ingredient.
JENIS DAN MANFAAT Ficus spp. DI BLOK KOLEKSI TAHURA WAR PROVINSI LAMPUNG Rofifah, Indah; Indriyanto; Asmarahman, Ceng
JURNAL RIMBA LESTARI Vol 1 No 2 (2021): Vol. 1 No. 2 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i2.17

Abstract

Plants belonging to the genus Ficus have many benefits for the life of the people and animals in it for example as water system guard, absorbing CO2, feed sources and habitat for various species of animals and has potential as a traditional medicine. This research aims to identify the species and benefits of Ficus spp. at Sumber Agung DS Collection Block of Wan Abdul Rachman Tahura. Methods of collecting data carried out by surveying forest vegetation using the pathway method, interviews with forest land cultivators, and literature studies. Data were analyzed by identifying plant belonging to the genus Ficus using a guidebook and using descriptive analysis of the results of interviews with forest land cultivators. The results of this research showed that there are six species of plants of the genus Ficus, namely Ficus ampelas, Ficus septica, Ficus benjamina, Ficus variegata, Ficus hispida, and Ficus annulata which can be used as medicinal plants, animal and livestock feed, micro-climate providers, and ornamental plants. A further research is needed related to the suitability of the growing place for Ficus spp. and socialization by related agencies regarding the benefits and uses of plant members of the genus Ficus so that the community can further improve the maintenance and preservation of Ficus spp.
IDENTIFIKASI JENIS DAN KONDISI POPULASI TUMBUHAN PAKU (Pteridophyta) DI BLOK KOLEKSI TAMAN HUTAN RAYA WAN ABDUL RACHMAN Savira, Elza Novelia; Indriyanto, Indriyanto; Asmarahman, Ceng
JURNAL RIMBA LESTARI Vol 1 No 1 (2021): Vol. 1 No. 1 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i1.19

Abstract

Wan Abdul Rachman Forest Park has a collection block, one of which functions to conserve plant species, including ferns (Pteridophyta). This study aims to determine the types of ferns, the population density of each species, and the dominant fern species. The research was carried out by survey using the checkered line method with a sampling intensity of 2%. The area of ​​the collection block is 141.18 ha, the total area of ​​the sample plots is 28,236 or as many as 70 plots.The results identified 16 species of ferns consisting of 3 species of epiphytic ferns, 4 species of epiphytic and terrestrial ferns, and 9 species of terrestrial ferns in forest stand conditions composed of 39 plant species with a density of 1,078.4 individuals/ha.The species of ferns found were Adiantum pediantum, Asplenium pellucidum, Athyrium japonicum, Cyclosorus parasiticus, Davvallia denticulata. Drynaria sparsisora. Thelypteris sp., Stenoclaena polustris, Goniophlebium verrucosum, Leucostalgia pallida, Nephrolepis dicksoniades, Pteris grandifolia, Selliguea deckokii, Diplazium simplivicacium, Pteris mulfida, dan Vittaria elongata. Combination of nail plants of 3333, 57 trees/ha followed by three dominant kinds of Davvallia denticulata, stenoclaena polustris, leucostegia pallida with an INP of 14.55, 11.42 and 10.4. The ferns support in turn is found in plants that support spikes called tangkil (Gnetum gnemon), coconut (Cocos nucifera), randu (Ceiba pentandra), jengkol (Pithecellobium lobatum), jackfruit (Artocarpus heterophyllus), with the dominant form of support called the tangkil (Gnetum gnemon).
ASOSIASI LIANA DENGAN TUMBUHAN PENOPANGNYA DI BLOK KOLEKSI TAMAN HUTAN RAYA WAN ABDUL RACHMAN, PROVINSI LAMPUNG Sukra, Paul; Indriyanto, Indriyanto; Asmarahman, Ceng
JURNAL RIMBA LESTARI Vol 1 No 1 (2021): Vol. 1 No. 1 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i1.24

Abstract

Taman Hutan Raya Wan Abdul Rachman (Tahura WAR) merupakan wilayah untuk menjaga siklus unsur hara dan pusat pengawetan keanekaragaman hayati di Provinsi Lampung, salah satu bagian pengelolaannya yaitu blok koleksi yang berfungsi untuk melestarikan tumbuhan, termasuk di antaranya adalah liana. Oleh karena itu, penelitian ini bertujuan untuk mengetahui jenis liana, jenis penopang liana dan bentuk asosiasi antara tanaman liana dan penopangnya. Penelitian dilakukan dengan survey metode petak ganda secara sistematik dengan intensitas sampling 2%. Data yang diperoleh dianalisis tingkat asosiasinya menggunakan Indeks Ochiai (OI). Hasil penelitian menunjukkan sebanyak 5 jenis liana terdapat di blok koleksi, yaitu Piper nigrum, Piper betle, Vanilla planifolia, Passiflora edulis, dan Mikania micrantha. Selanjutnya, ditemukan 15 jenis tumbuhan penopang liana yaitu, Ceiba petandra, Theobroma cacao, Durio zibethinus, Hevea brasiliensis, Gnetum gnemon, Persea americana, Pithecellobium lobatum, Gliricidia sepium, Dalbergia latifolia, Naphelium lappaceum, Aleurites moluccana, Parkia speciosa, Arenga pinnata, Cocos nucifera dan Intsia palembanica. Bentuk asosiasi nyata di lokasi penelitian antara liana dengan tumbuhan penopangnya yaitu, tumbuhan durian dengan lada, tumbuhan durian dengan sirih, tumbuhan karet dengan sembung, tumbuhan tangkil dengan sembung, tumbuhan jengkol dengan lada, dan tumbuhan sonokeling dengan markisa.
KEANEKARAGAMAN JENIS POHON LOKAL DI KAWASAN HUTAN LINDUNG REGISTER 31, KESATUAN PENGELOLAAN HUTAN LINDUNG KOTA AGUNG UTARA, PROVINSI LAMPUNG Anwar, Saipul; Indriyanto; Asmarahman, Ceng
JURNAL RIMBA LESTARI Vol 1 No 2 (2021): Vol. 1 No. 2 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i2.29

Abstract

Diversity of local tree species is important in the selection of tree species for reforestation of forest areas. The objectives of this study are to determine the diversity of local tree species, to determine the dominant local tree species and suitable for reforestation in the Register 31 protection forest area, Lampung Province. Data were collected using observational methods and analyzed by descriptive analysis. Furthermore, vegetation analysis is carried out to determine the index of importance value which can then determine the dominance of each local tree population and the diversity of local tree species themselves. The results showed that the most dominant local tree population was durian (Durio zibethinus) with an important value index of 46.5875. The existence of durian trees for all growth phases, including seedlings, poles, saplings, and mature trees, is the most dominant. The local tree species diversity index (H’) was 1.0926. This indicates that the diversity of local tree species in the Register 31 protection forest area is in medium category. Therefore, efforts to enrich local tree species need to be done to maintain the preservation of local tree species in the Register 31 protection forest area, Lampung Province.
ANALISIS DATA PRODUKSI KELAPA SAWIT DI LAHAN GAMBUT PT SINAR GUNUNG SAWIT RAYA KECAMATAN MANDUAMAS KABUPATEN TAPANULI TENGAH Lumban Tobing, Herdianta; Pratomo, Bayu
JURNAL RIMBA LESTARI Vol 2 No 1 (2022): Vol. 2 No. 1 (2022)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v2i1.124

Abstract

Oil palm is one of the essential vegetable oil-producing plants. Moreover, palm oil is a good trade commodity, and in the future, it is believed that palm oil will not only be able to produce various products such as butter, cooking oil, or soap but also can be a substitute for fuel oil. This study aims to compare crop production in coastal and non-coastal peatlands. This study uses secondary data, including production, rainfall, and fertilization data from the last five years. The results show that Block F2 (on the beach) has the highest production, with a value of 2,442,572 kg/ha. In comparison, Block B2 (non-coastal) has a lesser amount, with a value of 1,818,710 kg/ha.
PENGARUH PEMBERIAN HORMON ROOTONE-F DAN MEDIA TANAM TERHADAP PERTUMBUHAN STEK PUCUK KAYU PUTIH (Melaleuca cajuputi) Febriandy, Idfi; Sutriono, Raden; Aji, Irwan Mahakam Lesmono
JURNAL RIMBA LESTARI Vol 1 No 2 (2021): Vol. 1 No. 2 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i2.228

Abstract

Melaleuca cajuputi (cajuput) is a plant from the Myrtaceae family that has been widely used, especially by the essential oil industry, which contains the main compound in the form of 1.8 cineol. The research aims to understand the influence of Rootone-F hormone concentration, the effect of planting media, and the interaction between Rootone-F hormone concentration and planting medium on the growth of cajuput cuttings (Melaleuca cajuputi). The design used in this study is the completely randomized design (CRD), with factorials consisting of two factors and three replications, giving the total samples of the study of 48 treatments. The first factor is the hormone (R) consists of 4 levels, namely control 0 ppm (), 100 ppm (), 200 ppm (), and 300 ppm (). The second factor is the growing media (M) consists of 4 levels, namely soil (), soil + cocopeat (), sand + cocopeat (), and cocopeat (). The results show that the use of Rootone-F hormone and planting media have no significant effect on all research parameters (namely: seedling height, seed diameter, number of leaves, root length, and live percentage) of cajuput (Melaleuca cajuputi).
IDENTIFIKASI PERSEPSI RESPONDEN TERHADAP WISATA ALAM PUSRI, DANAU RANAU OKU SELATAN, PROVINSI SUMATERA SELATAN Setiyawan, Eko; Winarno, Gunardi Djoko; Fitriana, Yulia Rahma; Yuwono, Slamet Budi
JURNAL RIMBA LESTARI Vol 1 No 1 (2021): Vol. 1 No. 1 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i1.386

Abstract

The tourist's perception is essential in developing tourism as a base on decision-making for tourism management. The purpose of this study was to identify respondents' perception of facilities and services, accommodation, infrastructure, nature, and environment in Pusri Lake Ranau Nature Tourism. Data collection was implemented by direct observation method and closed interview questionnaire. The data obtained is then descriptively qualitatively analyzed. The results showed that respondents' perceptions gave a varied assessment of Pusri Danau Ranau Nature Tourism for each aspect of the assessment, including natural and environmental aspects of 3.91 (quite good), accommodation aspect of 3.45 (quite good), infrastructure aspect of 3.22 (quite good) and aspects of facilities and services of 3.38 (quite good). The element that must be looked at is in the environmental hygiene sector because respondents are still not satisfied with the element, which can be seen from the average value of cleanliness of 2.91 (not good), waste management of 2.71 (not good), and toilets of 2.54 (not good). Environmental cleanliness needs to be considered so that tourism remains beautiful and the improvement of facilities such as the procurement of garbage boxes.
DAMPAK HUTAN KEMASYARAKATAN TERHADAP ASPEK SOSIAL EKONOMI MASYARAKAT (STUDI PADA MASYARAKAT PEDULI GAMBUT SUKAMAJU, KPH KAYU TANGI) Martapani, Ahmad Nopan; Fauzi, Hamdani; Naparin, Muhammad
JURNAL RIMBA LESTARI Vol 1 No 1 (2021): Vol. 1 No. 1 (2021)
Publisher : Jurusan Kehutanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rimbalestari.v1i1.387

Abstract

The purpose of this research was to describe the Community Forest program, and analyze the benefits of Community Forest to the social economic aspects of MPG Suka Maju group members as a IUPHKm. The determination of informants was done deliberately based on the data of members of the group who were still active in the membership which amounts to 19 people. The research approach used in this study was exploratory and descriptive of analytics. Data collection techniques use observation, interview and documentation techniques. HKm had a positive impact on the community both on social and economic aspects. HKm could be a solution for farmers in ensuring their legality in accordance with the government's objectives as a program to improve the welfare of the community. The social impact occurs on HKm MPG SukaMaju farming group was in the form of increasing public knowledge of social forestry that provides community opportunities to manage forests. In addition, it also had the effect of resolving land conflicts, changes in people's behavior in clearing land without burning, and the strengthening of the gotong royong culture that was beginning to fade. The economic impact on MPG SukaMaju farmers group was in the form of increased production, increased revenue, labor absorption, business opportunity development, and business partnerships.

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