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Jurnal Sylva Lestari
Published by Universitas Lampung
ISSN : 23390913     EISSN : 25495747     DOI : https://doi.org/10.23960
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Environmental Science Materials Science & Nanotechnology
Jurnal Sylva Lestari (JSL) [P-ISSN 2339-0913 | E-ISSN 2549-5747] publishes original research articles related to all aspects of forestry and environmental sciences which includes, but not limited to the following topics: forest and natural resources management, biodiversity conservation and management, wood science and timber technology, agroforestry and social forestry, forest products and services, and socio-economics of natural resources. It is primarily a medium for disseminating original theoretical and experimental researches, as well as technical reviews. This journal issues one volume annually consist of three issues that delivered every January, May, and September.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 13 Documents
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Search results for , issue "Vol. 10 No. 1 (2022): January" : 13 Documents clear
Physical and Mechanical Properties of Oriented Strand Board from Three Species of Plantation Forests at Various Resin Contents Muhammad Iqbal Adi Baskara; Doni Hapsoro; Muhammad Iqbal Maulana; Marwanto; Denni Prasetia; Wahyu Hidayat; Muhammad Adly Rahandi Lubis; Nam Hun Kim; Fauzi Febrianto
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.519

Abstract

The objective of this study was to determine the physical and mechanical properties of oriented strand board (OSB) from three wood species of plantation forests, i.e., Afrika (Maesopsis eminii), mangium (Acacia mangium), and sengon (Paraserianthes falcataria) at various resin contents. OSB was made with a shelling ratio (face:core:back) of 1:2:1 and a target density of 0.6 g/cm3. Methylene diphenyl di-isocyanate (MDI) adhesive was used with 3%, 5%, and 7% resin contents. The physical and mechanical properties were evaluated based on JIS A 5908:2003 standard and the values were compared with CSA 0437.0 (Grade O-1) standard. The results show that the physical and mechanical properties of the OSB were improved as the resin content increased for all wood species. OSB prepared from Afrika and mangium wood strands with 7% resin content showed better physical and mechanical properties than the other OSBs. Thickness swelling of OSB prepared from three wood species had met the CSA O437.0 (Grade O-1) standard. All OSBs produced in this experiment met the standard for MOR parallel and perpendicular to the grain. OSB from three wood species with a 5% and 7% resin content met the standard for MOE perpendicular to the grain. Only mangium OSB with a resin content of 7% met the standards for MOE parallel to the grain. Afrika OSB with 5% and 7% resin content, mangium OSB with 5% resin content, and sengon OSB with 3% and 7% resin content met the standard for the internal bond. Keywords: Acacia mangium, Maesopsis eminii, Methylene diphenyl di-isocyanate, Oriented strand board, Paraserianthes falcataria
Development Strategies of Oelsonbai Research Center Scientific Tourism in KHDTK Oelsonbai Kupang Wieke Herningtyas; Gerson Ndawa Njurumana; Maria Elisabet Saptaria Feriani; Is Mugiono
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.522

Abstract

Oelsonbai Research Center is one of the management instruments of Forest Area for Specific Purposes (Kawasan Hutan Dengan Tujuan Khusus) Oelsonbai to help promote research and development results bundled in scientific tourism package. The Oelsonbai Research Center development was still new, so this research aimed to determine development strategies of the Oelsonbai Research Center scientific tourism in forest area for specific purposes Oelsonbai. This research was conducted from June to July 2021. The research methods used were interviews using questionnaires on 33 respondents, field observation, in-depth interviews with the administrators, and Strength, Weakness, Opportunities, Threats (SWOT) analysis. The results indicated that Oelsonbai Research Center could develop into a tourism area. Therefore, strategies to develop the Oelsonbai Research Center are proposed in this research. The proposed strategies are: developing the potential of the area with better quality tourism objects, executing the created forest area and scientific tourism attraction planning, increasing socialization and promotion activities with digital media, increasing collaborative relations between researchers and other researchers and academics in education, research and scientific tourism, involving the community in tourism activities by establishing business institutions such as cooperatives and establishing cooperation with other parties in developing the Oelsonbai Research Center scientific tourism. Keywords: Natural tourism, Oelsonbai Research Center, Scientific tourism, SWOT analysis, Tourism
Effectiveness and Institutional Conditions in Social Forestry Program: Case Study of Forest Village Community Institution (LMDH) Sumber Makmur, Forest Management Unit (KPH) Malang Ramli Ramadhan; Deni Firman Syah; Nugroho Tri Waskhito
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.525

Abstract

Changes in the Social Forestry or Perhutanan Sosial (PS) scheme have been made by the Ministry of Environment and Forestry of the Republic of Indonesia, particularly in the state-owned forestry enterprise (Perhutani) working area. A forestry partnership is one of the schemes being developed to replace the previous scheme, Community Forest Management (PHBM). However, increased PS area permits are not always accompanied by increased farmer trust and understanding of the program. This study aimed to determine the institution's effectiveness and institutional condition in the era of PS policy, which is currently a government priority program. One of the community groups granted a management permit is the Forest Village Community Institution (LMDH) Sumber Makmur, located in the Forest Management Unit (KPH) Malang. This study was conducted from December 2020 to March 2021 using a qualitative descriptive method as in-depth interviews and questionnaires with assessment indicators. Respondents were chosen randomly from the entire population using the Slovin formula. The results showed that the institutional effectiveness of LMDH Sumber Makmur still tended to decrease. The confidence level of farmers in the PS program was only around 28.9%, and the level of understanding was 26.7%. The results also showed a low percentage value of farmer participation, external support, the availability of facilities, and gender perspective. Consequently, the government needs to monitor institutions and community groups running PS programs to see institutional developments in each location. Institutional development is essential as an entrance for people to manage forests independently. Keywords: Forest Village Community Institution, institutional conditions, institutional effectiveness, social forestry
Population and Habitat Suitability Index Model of Bali Starling (Leucopsar rothschildi) in West Bali National Park Fadlan Pramatana; Jarwadi Budi Hernowo; Lilik Budi Prasetyo
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.535

Abstract

Bali starling (Leucopsar rothschildi) is categorized as an endangered species based on the International Union for Conservation of Nature and Natural Resources (IUCN) red list. Thus, preventing this species from extinction becomes very crucial. One of the most important activities for this purpose is a soft release method to avoid birds' mortality, which has been done in West Bali National Park (WBNP). However, this method creates the dependency of birds to the artificial treatment and may affect the distribution of Bali starling. Therefore, this study aimed to analyze the population and habitat and create a habitat suitability index model for Bali starling in WBNP. Data were obtained by surveying the Bali starling population, including the number of individuals, distribution, age structure, sex ratio, natality, and mortality. Vegetation analysis was also conducted to determine habitat conditions. Finally, map interpretation data was used to develop a suitable habitat model for Bali starling in WBNP. The results showed that 63 Bali starling were found near the resort office, bird release sites, and binding bird cages. It indicated that the habitat of Bali starling has shifted from the soft release site. The habitat suitability index model of Bali starling in WBNP was Y = 17.145 + 6.640PC1 - 4.055PC2, showing the selected variables only give a moderate determination coefficient (R2 = 40.9%). The artificial treatment created by the WBNP authority seems to be another great factor influencing the existence and distribution of Bali starling in WBNP. It was also indicated that Bali starling could breed in the WBNP, but it tends to have a shifting habitat in the wild. Keywords: Bali starling, Geographic information system, Habitat suitability, Population
Understanding Resident Intention and Behavior toward Water Conservation Initiative in the Upstream of West Java, Indonesia Prasetyo Nugroho; Apriliyanti Dwi Rahayu; Rany Juliani; Indarto; Alfian Dwi Cahyo; Nida Ankhoviyya; Edwin Gumilar; Denni Susanto; Adi Nugroho
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.541

Abstract

Upstream areas have long been targeted as the priority of water conservation initiatives. While earlier studies often considered underlying socio-psychological factors determining residents' intention and behaviors in water conservation, studies that focused on the resident's intention and behavior in upstream areas, where water is abundant, remain underexplored. The current study used socio-psychological constructs of the theory of planned behavior (TPB), i.e., subjective norm, attitudes toward behavior, and perceived behavioral control, to analyze the determinants of water conservation intention and behavior in two villages upstream of West Java (i.e., Cibeusi and Sanca villages), Indonesia. A total of 200 usable questionnaires were retrieved. Structural equation modeling was used to determine the linkages and strength of relationships among constructs. There was evidence that residents perceived behavioral control exerted the most significant influence on residents' water conservation intention and behavior. Moreover, perceived behavioral control was an effective mediator of the linkage between attitude and residents' intention and behavior. The findings confirmed the suitability of TPB in explaining interrelationships among determinant factors that explain residents' intention and behavior, albeit with different mechanisms and effects. The study implied that increasing awareness of the value of water conservation would significantly affect residents' attitudes, which subsequently increased their willingness to perform water conservation efforts. Keywords: attitude, Cipunagara watershed, theory of planned behavior, Subang
Characterization of Cones and Seeds of Damar (Agathis labillardieri) from Plantation in Klasaman, Sorong Jeffry Cornelis Angkotta; Julius Dwi Nugroho; Nurhaida Iriany Sinaga
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.546

Abstract

Damar (Agathis labillardieri) is endemic species to New Guinea, occurring naturally in Papua and West Papua Province, Indonesia. The species is economically valuable due to its resin and wood. This research aimed to study the cones and seeds characteristics of A. labillardieri collected from Sorong Nature Park at Klasaman, Sorong, Papua Barat. The characteristics observed included cone size and weight, number of scales, empty and filled seed, and seed moisture content. The germination test was also performed. Although the stands could produce cones, not all scales contained seeds, and not all seeds were filled seeds. On average, 53 filled seeds per cone or only 50.3 ± 5.7% of the total seeds found as filled seeds. The seed was characterized as a recalcitrant seed with high moisture content and rapid germination. On average, the seed moisture content was 38.9%, with an average germination time of four days. The combined factors that may contribute to the low natural regeneration of A. labillardieri are low filled seeds, seed sensitivity to desiccation, and high mortality in newly emerging seedlings during recruitment. Therefore, facilitating the forest floor for immediate germination of recalcitrant seeds as in A. labillardieri is suggested. Keywords: Agathis labillardieri, filled seed, germination, natural regeneration, recalcitrant seed
Estimation and Economic Valuation of Above-Ground Carbon in Forest Area with the Special Purpose of Gunung Bromo, Karanganyar, Central Java, Indonesia Rissa Rahmadwiati; Rezky Lasekti Wicaksono; Dwi Apriyanto
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.548

Abstract

Climate change and the increasing greenhouse effect are serious problems of global concern today. The existence of forests plays an essential role in carbon sequestration and storage to reduce greenhouse gas (GHG) concentration in the atmosphere. Forest Area with the Special Purpose (KHDTK) of Gunung Bromo has an area of 126,291 ha that is designated as an educational forest. The area has been managed by Universitas Sebelas Maret since 2019 and consists of three main tree species, namely Pinus merkusii, Swietenia mahagoni, and Dalbergia latifolia. This study aims to estimate the potential uptake and economic valuation of carbon stocks in the KHDTK of Gunung Bromo. Stratified Systematic Sampling with Random Start was used as an inventory method in this study. The estimation of above-ground carbon uptake used general allometric equations (non-destructive method). Furthermore, the carbon economy valuation referred to the range of calculating the average carbon price for each program specification. The results showed that the estimated carbon of tree stands in KHDTK of Gunung Bromo reached 75.81 tonnes C/ha with a carbon economic valuation of USD 758.1/ha or equivalent to IDR 10,856,863.80/ha. Exploring the potential for biodiversity (flora and fauna) and environmental services such as carbon sink will support the ecotourism program in KHDTK of Gunung Bromo. Keywords: biomass, carbon estimation, economic valuation, KHDTK of Gunung Bromo
Anti-Termite Activity of Melia azedarach Extracts Yanico Hadi Prayogo; Romi Irka Putra; Izza Firdausi Hadiyanto; Evie Nihayah; Wasrin Syafii; Rita Kartika Sari; Irmanida Batubara
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.549

Abstract

Natural preservatives have been widely considered as non-synthetic materials that can prevent the biodegradation of wood due to subterranean termite attacks, namely Coptotermes curvignathus. Melia azedarach is a fast-growing species that has been widely studied for its antifeedant compounds and shows good potential to be developed as a biopesticide, especially as an anti-termite. This study aimed to identify the termicide and antifeedant properties of the wood, leaves, and bark extracts of Melia azedarach against subterranean termites and identify their bioactive compounds. The acetone extract from the three parts of the tree was fractionated. The most active fractions were selected from each part based on the percentage of termite mortality and antifeedant activity and analyzed for its bioactive compounds by pyrolysis GCMS. The ethyl acetate fraction of Melia azedarach bark exhibited strong toxic properties compared to other fractions. In the leaf section, the diethyl ether fraction showed the best termite repellent (antifeedant) properties. The anti-termite properties influenced phenolic compounds and organic acid that dominated the bark ethyl acetate fraction and leaf diethyl ether fraction. These findings show the great potential of bioactive compounds from biomaterials to be developed as a promising biopesticide. Keywords: anti-termite, bioactive compound, Melia azedarach, natural preservative
Population Distribution of Amorphophallus at Several Altitudes in Mount Poteng, Raya Pasi Nature Reserve, West Kalimantan Reine Suci Wulandari; Selvia Ivo; Herlina Darwati
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.552

Abstract

Amorphophallus is a protected and endangered plant. Some Amorphophallus species can only grow in certain environmental conditions. Differences in environmental conditions could cause differences in morphology and distribution of Amorphophallus. This study aimed to obtain the morphological characteristics of Amorphophallus and study the distribution of its population at several altitudes in Mount Poteng, Raya Pasi Nature Reserve, West Kalimantan. The study used an exploratory survey following the river's flow at the Raya Pasi Nature Reserve, especially in Mount Poteng. The results found three species of Amorphophallus: Amorphophallus borneensis (109 individuals), Amorphophallus gigas (9 individuals), and Amorphophallus hewittii (27 individuals), showing clustered distribution patterns with a Morista index of > 1. The similarity index of six comparisons for each altitude showed five altitudes with similar categories and one altitude with a very different category. The results revealed that the Amorphophallus distribution positively correlated with air temperature and soil temperature but negatively correlated with air humidity. However, all correlations were weak. The morphological differences of the three Amorphophallus species were in the forms of the stem pattern, stem height, and fruit shape. The distribution of Amorphophallus can be found at an altitude of 200 − > 500 masl, which is not far from the river flow. Keywords: altitude, Amorphophallus, Mount Poteng, Raya Pasi Nature Reserve
The Composition of Undergrowth Vegetation in Forest Area with the Special Purpose of Gunung Bromo, Karangayar, Central Java, Indonesia Abdul Ghaffar Amiruddin Zaki; Yus Andhini Bhekti Pertiwi; Malihatun Nufus; Amalia Tetrani Sakya
Jurnal Sylva Lestari Vol. 10 No. 1 (2022): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v10i1.553

Abstract

Data on the biodiversity is essential to support the Forest Area with the Special Purpose (KHDTK) of Gunung Bromo as an educational forest and training center. This study aimed to obtain basic information on undergrowth vegetation composition under pine stands. Furthermore, the important value index (IVI), species diversity index (H'), species richness index (R), and evenness index (E) were determined. The data was systematically obtained by marking 35 plots of 2 m × 2 m. The distance between plots was 100 m. The results showed that the undergrowth vegetation consisted of 39 species from 26 families. The habitus of undergrowth vegetation was herb (15 species), shrub (14 species), liana (3 species), fern (6 species), and palm (1 species). Eragrostis tenerum was the dominant species with an IVI of 58.84%). Centrosema pubescens showed an IVI of 18.38%, while the other species showed less than 10%. Furthermore, H' was classified as moderate (2.35), R was classified as moderate (4.69), and E was classified as uneven (0.64). This condition indicated that the undergrowth species that grew in KHDTK of Gunung Bromo was limited and uneven. It was considered due to inhibiting factors such as allelopathy in pine leaf litter and low light intensity. Undergrowth species that grow in KHDTK of Gunung Bromo showed several potential utilizations, such as medicinal plants (30 species), ornamental plants (9 species), food sources (5 species), forage (4 species), culture and crafts (4 species), and conservation (3 species). Keywords: important value index, KHDTK of Gunung Bromo, species composition, species diversity, undergrowth vegetation

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