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INDONESIA
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 315 Documents
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Management Strategies of a Productive Waqf-Based Forest in Bogor, Indonesia Jannah, Miftahul; Sarkawi, Azila Ahmad; Othman, Jamilah; Ali, Khalifah Muhamad
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.931

Abstract

Waqf-based forest is developed on waqf land and is now being developed in Indonesia. It combines Islamic principles with environmental conservation, as being waqf assets, a forest is prohibited from being sold, given, or inherited. An effective management strategy is crucial to ensure waqf-based forest productivity and sustainability. Some research has already been conducted, but the specific dimension remains unexplored. This study aims to identify essential aspects and effective management strategies to escalate waqf-based forest benefits. Using a comprehensive approach, this study combines a literature study, in-depth interviews, and a study case in Bogor Waqf Forest, Bogor Regency, Indonesia. The findings were analyzed using the Analytic Hierarchy Process (AHP), followed by Focus Group Discussion (FGD) and further in-depth interviews as the validation process. There are six important considerations to optimize waqf-based forest management: legal, ecological, Islamic, economical, social, and aesthetic. The land’s legal status as waqf assets is recognized as the most crucial aspect to avoid possible conflict and sustainability in the future. Then, the following considerations are improved ecological and Islamic activities aspects, economic strategies, and social and aesthetic consecutively. This research is expected to provide a deeper investigation of the future management strategies for waqf-based forests. Keywords: agroforestry, analytic hierarchy process, management, sustainability, waqf-based forest
Species Diversity and Herbal Medicine Utilization of Mangrove Plants: A Comparative Study among Coastal Communities in Lampung Duryat; Yuwono, Slamet Budi; Riniarti, Melya; Hidayat, Kuswanta Futas; Hidayat, Wahyu; Rodiani; Damai, Abdulah Aman; Prasetyo, Pangestu; Dani, Hafiz Ansori
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.936

Abstract

Biodiversity and local wisdom in mangrove ethnopharmacology are essential to study as a basis for conservation and health development. The study objectives were determining mangroves’ diversity and distribution, their use as herbal medicine, and their trusted medical properties. Vegetation analysis was employed to study the mangrove diversity. An interview and observation were conducted to study mangrove utilization. Mangrove diversity was determined by examining the diversity index. Mangrove utilization was determined by descriptive comparative analysis and calculating species use value, plant part value, and fidelity level. Total 28 species of mangroves from 15 families in Lampung. The highest mangrove diversity is in Lampung Timur (22 species; Shannon Index (H') = 1.93), followed by Pesawaran (21 species; H' = 1.96), Tulang Bawang (12 species; H' = 1.24), and Lampung Selatan (11 species H' = 0.90). Surprisingly, a species was used for different purposes in different areas. S. caeseolaris has the highest species use value of 0.1591. Leaves have the highest plant part value of 58%. R. apiculata, as an antiseptic, and S. caseolaris, as an antioxidant, have the highest fidelity level, 14%. Eight mangrove species trusted by the community have ten medical properties. This finding could be the basis for scientific studies to find new sources of medicine. Keywords: biodiversity, costal area, ethnopharmacology, herbal medicine, mangrove
Unveiling the Shortcomings of Social Forestry Programs in Indonesia: A Critical Analysis of Farmer Empowerment Initiatives Lawasi, Moh Andika
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.945

Abstract

Since being designated a national strategic program under President Joko Widodo’s administration, social forestry has yet to significantly alleviate poverty or improve the welfare of communities around forests. Despite the ambitious goal of allocating 12.7 million ha through various schemes such as community forests, village forests, customary forests, community plantation forests, and forestry partnerships, the welfare indicators for forest farmers remain largely unchanged. An in-depth investigation into the shortcomings associated with this program is necessary to uncover why it has yet to achieve its fundamental objectives. A comprehensive literature review involving critical analysis of various sources-including Google Scholar, Scopus, government websites, books, and other materials totaling 95 references, was conducted to examine the various dimensions influencing this program. The results reveal several impediments, including inadequate financial support and fragmented stakeholder collaboration, insufficient operational supervision in program implementation, weak motivation and capacity in institutional management, access inequality, conflict management, and underdeveloped post-harvest processing and networking capacities. Knowledge, technology, technical management, and policy information inputs are also insufficient. Addressing these issues requires a holistic approach, beginning with enhanced technical assistance, stronger program oversight, better institutional management, and improved capacities for market-oriented management of social forestry products and services. Keywords: critical analysis, farmer empowerment, forest management, marginalized groups, social forestry
The Potential of Talisay-Dagat (Terminalia catappa L.) for Phytoremediation in Langihan Lagoon, Butuan City, Agusan del Norte, Philippines Magcuro, Christian Granzon; Mangubat, Chaly Benson; Sullano, Allysa Concepcion Alba; Corbita, Victor Lobrigas; Mercado, Joel Andig; Casilac Jr., Cornelio Sacquiap
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.971

Abstract

The study aims to determine the potential of Talisay-dagat (Terminalia catappa L.) for phytoremediation and to examine its influence on reducing concentrations of heavy metals in the soil of Langihan Lagoon, Butuan City. Soil, roots, and leaves were collected and brought to the Regional Soils Laboratory using microwave-assisted aqua-regia digestion and determination through Inductively Coupled Plasma Optical Emission Spectrometer. The study made use of mathematical computations such as translocation factor (TF), bioconcentration factor (BCF), and enrichment factor (EF) to determine whether the tree is a hyperaccumulator, excluder, or indicator. In the TF results, T. catappa was a hyperaccumulator for Ni and Cu, considering that the concentration exceeds one (1) while demonstrating as a possible excluder for Cr. There was also an emphasis on limited absorption of heavy metals, as evidenced by the BCF and EF value of less than 1. The results show that based on TF, BCF, and EF values, only TF shows the effectivity of restricting the root-shoot ratio translocation of Ni and Cu (TF > 1). Regression analysis found that the absorption of T. catappa was not influenced by the amount of heavy metal in the soil within the studied condition. This insight was crucial in understanding the plant’s absorption and could guide further research or practical applications in environmental management and phytoremediation. Keywords: bioconcentration factor, hyperaccumulator, phytoremediation, Terminalia catappa, translocation factor
Anatomical Responses of Bambusa blumeana Schult.f. Treated with Alpha-Naphthalene Acetic Acid Saddoy, John Karlo Cruz; Tinio, Crusty Estoque; Aboc, Vinjoe Magalang; Luna, Amelita Carpio; Combalicer, Marilyn Sabalvaro; Maldia, Lerma San Jose
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.973

Abstract

The underlying mechanism of bamboo anatomical responses remains poorly understood when subjected to different levels of Alpha-Naphthalene Acetic Acid (Alpha-NAA) under nursery conditions. In this paper, we aim to examine the leaf and root anatomy of the Bambusa blumeana Schult.f., a potential bioremediation alternative species, treated with 0 ppm, 100 ppm, and 200 ppm of Alpha-NAA. The experimentation was executed in a completely randomized design within a 3-month experimentation period. Freehand sectioning was performed to collect the leaf and root transverse sections, and the photomicrographs were taken and analyzed. The results revealed that 200 ppm Alpha-NAA significantly increased the diameters of leaf fusoid cells and xylem. In the roots, the thickness of the rhizodermis, sclerenchymatous layer, cortex, and pericycle, as well as the diameter of the phloem, metaxylem, and pith, were significantly affected by the treatments. Generally, there is a weak to moderate correlation between the leaf and root anatomical structures based on Pearson’s correlation and a weak to strong correlation within the organ-specific anatomical structure. Thus, our findings elucidate the potential role of exogenous auxin in inducing anatomical changes that assist the growth and propagation of B. blumeana. Keywords: alpha-naphthalene acetic acid, bamboo, freehand sectioning, leaf anatomy, root anatomy
The Response Dynamics of Various Bird Species to Recreational Activities and Nature Tourism in Gunung Gede Pangrango National Park Avenzora, Ricky; Munajat, Mafut; Rachmatullah, Adam; Oktovianus; Oktavia, Reno Catelya Dira; Suprajanti, Dina Sri; Musoman, Ansyari
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.983

Abstract

Tourist activities in forest areas can potentially disturb wildlife, including bird species. One of the responses to such disturbances is avoidance. This study aimed to investigate and analyze the tolerance levels of various bird species to recreational disturbances in Gunung Gede Pangrango National Park, West Java, Indonesia. The method used in this research involved “dummy tourist activities” that varied by the distance tourists walked to the birds, the number of tourists, and the noise made by tourists. The results showed that forest birds had a maximum tolerance distance for tourist activities of around 10 m, while attractive birds had a maximum tolerance distance of around 20 m. The closest distance for tourists to observe all bird species was 5 m. It is concluded that all bird species had avoidance responses to various human or tourist disturbances. Raptors and colorful birds had low tolerance responses; songbirds had a medium tolerance, and forest birds had a high tolerance. Information on the response dynamics of various bird species to recreational activities is useful for creating tourism site planning and landscape design based on ecological wildlife carrying capacity. Keywords: avoidance response, birdwatching, disturbance response, ecotourism, Gunung Gede Pangrango National Park
Hydrolytic Stability of Sengon-Oriented Strand Board Bonded with Hybrid Phenol-Formaldehyde/Polymeric Methylene Diphenyl Diisocyanate Adhesives Sari, Rita Kartika; Fitrianum, Fadilah; Maulana, Muhammad Iqbal; Hidayat, Wahyu; Winarni, Ina; Iswanto, Apri Heri; Lubis, Muhammad Adly Rahandi
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.987

Abstract

The hydrolytic stability of oriented strand board (OSB) is critical to guarantee good performance in humid conditions over the long term. The adhesive system impacts hydrolytic stability in addition to the wood strands. This study aims to investigate the hydrolytic stability of OSB bonded with a hybrid adhesive based on phenol-formaldehyde (PF) and polymeric methylene diphenyl diisocyanate (pMDI) modified with NaOH and CaCO3 catalyst. PF was mixed with each catalyst at approximately 1% of the PF solids content. The pMDI was added to the mixture at 2.5% and 5% of the PF solid content. The hybrid PF/pMDI adhesives were then used for OSB production. The hydrolytic stability of OSB samples was tested at 25°C and 100°C and compared with OSB using unmodified PF as a control. After hydrolysis, OSBs with hybrid PF/pMDI adhesives had lower weight loss than control adhesives at both temperatures. The pH indicates no significant polymer dissolution from the board into the hydrolysis solution. Hybrid PF/pMDI adhesives with a CaCO3 catalyst obtain significantly lower thickness swelling values. The findings of this study have significant implications for developing high-performance, environmentally-friendly OSB products. Keywords: eco-friendly composite, hydrolytic stability, oriented strand board, Paraserianthes falcataria, phenol-formaldehyde
Integrating Forest Conservation and Food Security: Managing Flood and Drought in Northern Thailand under CMIP5 Climate Projections Satriagasa, Muhammad Chrisna; Tongdeenok, Piyapong; Kaewjampa, Naruemol
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.1010

Abstract

Increasing food demand and climate change-induced natural disasters pose significant challenges to food security. This study examines how forest conservation can mitigate disaster risks to agricultural land in Northern Thailand’s watershed. The Soil and Water Assessment Tool (SWAT) and Hydrologic Engineering Center’s-River Analysis System (HEC-RAS) models were used to assess flood impacts, while the standardized precipitation and evapotranspiration index (SPEI), vegetation health index (VHI), and standardized streamflow index (SSI) evaluated drought impacts, incorporating two Coupled Model Intercomparison Project Phase 5 (CMIP5) climate projections and five land-use scenarios. Historical data shows drought causing more yield loss than floods for rice and maize, a trend expected to continue. Under future Representative Concentration Pathways (RCP) 8.5, potential rice yield loss due to drought could reach 1,834 tons and maize yield loss 7,702 tons. Flood-induced losses are lower, with potential rice yield loss at 26.2 tons and maize at 16.9 tons. Reforestation can reduce these losses by up to 25% for drought and 20% for floods. Maintaining forests in mountainous and upstream watershed areas is essential to ensure food security. Policymakers should prioritize conserving these critical areas for effective water regulation and disaster risk reduction. Forests in these areas play a crucial role in regulating water flow, reducing runoff, and enhancing soil moisture retention, which is vital for mitigating the impacts of extreme weather events on agriculture. Keywords: climate change, drought impact, ecosystem-based disaster risk reduction, flood impact, food security
Indigenous Custodianship and Timber Legality Assurance System: Challenges and Opportunities for Customary Forest Management in Indonesia Iriyani, Silfi; Arman, Muhammad; Nugroho, Bramasto; Buchori, Damayanti; Setiajiati, Fitta
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.948

Abstract

Indigenous peoples are caretakers and practitioners of a unique culture connected to their community and the surrounding environment, including forests. In Indonesia, existing regulations acknowledge the identity of indigenous peoples and the forests they oversee. This paper provided evidence of the acknowledgment of customary forests and indigenous peoples, addressing the challenges and opportunities for managing customary forest products, both timber and non-timber, under a timber legality assurance scheme. This research is essential in advocating for legal reforms that protect the rights of indigenous peoples and ensure sustainable forest management while balancing environmental conservation with local community needs. The study sought to illuminate the challenges Indigenous Peoples encounter when accessing and utilizing forests and forest products within their customary territories. It employed exploration methods to gather reliable data and information, validated through expert interviews and described using triangulation. The research concluded that legal innovations are necessary to resolve issues concerning the recognition of customary forests and indigenous peoples to enable effective forest management while safeguarding the rights of indigenous peoples socially, economically, and ecologically. In addition, legal innovations are also required to avoid breaches of timber legality assurance, which can result in forest unsustainability. To enhance the effectiveness of these reforms, it is important to foster collaboration between government bodies and indigenous communities in developing and implementing forest management policies. Keywords: customary forests, forest governance, indigenous peoples, timber legality assurance
Development of Allometric Model for Estimating Biomass and Carbon Storage of Hybrid Eucalyptus (E. grandis x E. urophylla) in Industrial Plantation Forests of North Sumatra Province Marnaek, Ronald Hot; Setiawan, Yudi; Hermawan, Rachmad; Muhdin
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.951

Abstract

Hybrid eucalyptus (E. grandis × E. urophylla) plays an important role in the global carbon cycle because it grows so fast that it is necessary to know how much biomass and carbon are produced. This study aims to develop an allometric equation for estimating the biomass and carbon content stored in Eucalyptus stands. Data were obtained through destructive sampling of 75 trees, then dried in an oven and analyzed to get the most appropriate biomass value and allometric model. The study results showed that the developed polynomial model correlated well with DBH to predict biomass with an R-squared of 97.50. Age 1 with an average diameter of 3.23 cm = 2.50 tons C/ha or 9.17 tons of CO2e, age 2 with an average diameter of 9.33 = 21.30 tons C/ha or 78.16 tons CO2e, age 3 with an average diameter of 9.49 cm = 22.50 tons C/ha or 82.57 tons CO2e, age 4 with an average diameter of 11.62 cm = 38.61 tons C/ha or 141.68 tons CO2e, age 5 with an average diameter of 12.63 cm = 46.42 tons C/ha or 170.37 tons CO2e. The carbon stock results show that as the age of the stand increases, the carbon reserves stored also increase. Keywords: allometric model, biomass, carbon stock, hybrid eucalyptus

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