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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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The Effectiveness of Forest Management and Monitoring Implementation under the National Forest Stewardship Standards (NFSS) Scheme in Indonesia Sarjito, Joko; Budiastuti, Maria Theresia Sri; Hidayat, Agung; Yuswantoro, Ismail Eko; Wintanti, Rizkia Ajeng Setya
Jurnal Sylva Lestari Vol. 13 No. 2 (2025): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i2.1133

Abstract

Forest management activities inevitably affect environmental functions and community well-being, necessitating rigorous impact monitoring to improve management practices. The Indonesian National Forest Stewardship Standards (NFSS) provide structured guidelines to balance timber production with environmental protection. This study evaluates the comprehension and application of these standards in forest harvesting planning, implementation, and impact assessment. A quantitative descriptive method was employed, integrating questionnaires, field observations, and interviews with field staff from a Forest Stewardship Council (FSC)-certified forest concession in West Papua, Indonesia. Respondents included staff involved in forest planning, production and logging road construction, silviculture and environmental monitoring, and community development. Data were collected using NFSS-based questionnaires and analyzed using the Likert scale method. In addition, triangulation was conducted via field observations at harvesting sites, document reviews (forest management procedures, High Conservation Value report, Social Impact Assessment report, and Environmental Management and Monitoring Plan report), and interviews to validate questionnaire findings. The results show an average Likert score of 83.91% across five key variables (baseline environmental data, Reduced Impact Logging (RIL) map presence, RIL implementation, human resources, and impact monitoring and adaptation), indicating a strong understanding of NFSS standards. However, challenges remain in enhancing community engagement, implementing best management practices, strengthening supervision and impact monitoring techniques, and developing adaptive strategies for sustainable forest management. Keywords: forest harvesting, forest management, impact monitoring, NFSS Indonesia, reduced impact logging
Leaf Size Indices and Outline-Based Geomorphometric Analysis of Five Philippine Endemic Saurauia Willd. (Actinidiaceae) Mazo, Kean Roe Felipe; Aribal, Lowell Gazo
Jurnal Sylva Lestari Vol. 13 No. 2 (2025): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i2.1139

Abstract

Species discrimination among species of Saurauia is challenging due to large morphological variation. This study examines the intraspecific variations of the 5 Philippine endemic Saurauia species using leaf size indices (LSI) and outline-based geometric morphometrics to facilitate species discrimination. Leaf samples were measured using the traditional method, scanned, converted to binary images, subjected to elliptic Fourier Analyses, and quantitatively analyzed using principal component analysis (PCA). The leaf morphology significantly differed among species based on the results of LSI and leaf shape outline analyses. The results showed 7 effective principal components (PCs), which accounted for 94.16% of the total variation. Significant differences were observed in all PCs. Discriminant analysis of the leaf shape outline confirmed the delimitation of species with scores relatively higher than the cut-off value. The tree topology from leaf shape outline, and leaf size indices all exhibited similarity in the clustering at the species level. A key to the species based on leaf morphology is also provided. Keywords: elliptic fourier analysis, kiwi, leaf size index, leaf variation, principal component analysis
Growth Performance of Vitex parviflora Juss. and Swietenia macrophylla King in an Abandoned Mining Area at Barangay Maibu, Butuan City, Philippines Goyo, Shiella Lynn Dali-on; Balgoa, Lovely Carumba; Mantilla, Mirasol Cataluña; Quilicot, Rosemarie Cabal
Jurnal Sylva Lestari Vol. 13 No. 2 (2025): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i2.1148

Abstract

This study evaluated the growth performance of V. parviflora and S. macrophylla planted in an abandoned small-scale mining site in Barangay Maibu, Butuan City, Philippines. This study employed a randomized complete block design (RCBD), with growth parameters including height increment, stem diameter increment, and the number of leaves of the seedlings measured over a five-month period. Soil analysis revealed acidic conditions (pH 5.11), low organic matter levels, and nitrogen and phosphorus. Results showed that S. macrophylla exhibited greater height growth (3.96 cm) and stem diameter increase (0.78 cm) compared to V. parviflora (0.72 cm and 0.072 cm, respectively). The number of leaves also increased more in S. macrophylla (10) than in V. parviflora (5). Among the parameters measured, only the height growth showed a statistically significant difference between the two species. In contrast, the differences in stem diameter and number of leaves were not statistically significant. S. macrophylla demonstrated better adaptability and potential for rehabilitating degraded mining sites compared to the other species. However, it is recommended that future studies lengthen the duration to evaluate seasonal fluctuations, long-term growth performance, and possible soil amendment techniques to improve site rehabilitation and forest restoration outcomes. Keywords: abandoned mining site, growth performance, reforestation, Swietenia macrophylla, Vitex parviflora
Dimensions and Mechanisms of Environmental Behavior Among Visitors to Nature-Based Destinations: A Case Study of Gunung Ciremai National Park, Indonesia Asih, Sekar Sari Melati; Nugroho, Prasetyo
Jurnal Sylva Lestari Vol. 13 No. 3 (2025): 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.v13i3.1121

Abstract

Nature-based tourism in national parks (NP) plays a significant role in promoting environmentally responsible behavior (EB) among individuals. While studies on visitors’ EB are increasing, research focusing specifically on visitors’ EB in NPs within developing countries, such as Indonesia, remains limited. This study aims to identify factors shaping visitors’ EB through an extended Theory of Planned Behavior (TPB) at Gunung Ciremai National Park (GCNP). To explore the dimensions and mechanisms of EB—categorized as environmentally conservative behavior (ECB), environmentally disturbing behavior (EDB), and environmentally radical behavior (ERB)—an extended TPB framework was utilized. TPB examines the relationships among the following latent variables: attitude toward behavior (ATB), subjective norm (SN), perceived behavioral control (PBC), environmental behavior intention (EBI), and environmental behavior (EB). Data were collected from 452 completed questionnaires at three nature-based destinations in GCNP. The study demonstrates clear evidence that the hypothesized relationships among ATB, SN, PBC, EBI, and EB were valid across different types of environmental behavior. The results highlight that these determinant factors work together in shaping visitors’ environmental behavior based on TPB. However, their influence may differ depending on the specific type of behavior being considered. The study underscores the need for NPs managers to go beyond simply raising visitors’ awareness of the importance of environmental conservation. Efforts should also focus on enhancing visitors’ self-efficacy in performing environmentally responsible behaviors. Keywords: forest-based ecosystem services, national park, nature-based tourism, Theory of Planned Behavior
Effectiveness of Different Extraction Techniques on the Yield and Antityrosinase Activity of Merbau (Intsia bijuga (Colebr.) Kuntze) Wood Extract Sari, Ratih Afrida Lismana; Sari, Rita Kartika; Safitri, Utami Dyah; Aristri, Manggar Arum; Wahyuningrum, Maeda; Lubis, Muhammad Adly Rahandi
Jurnal Sylva Lestari Vol. 13 No. 3 (2025): 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.v13i3.1140

Abstract

This study employed various extraction techniques to determine the yield, phytochemical profile, and antityrosinase activity of merbau wood (Intsia bijuga (Colebr.) Kuntze) extracts. The extraction techniques consisted of two factors: the type of extraction methods (conventional maceration – CM, ultrasound-assisted extraction – UAE, and magnetic stirrer – MS) and the number of extraction repetitions (first repetition – F1, second repetition – F2, and third repetition – F3). The interaction of the extraction methods and the number of extractions affects the extraction yield, antityrosinase activity, and its phytochemical profile. Merbau wood extracted using the UAE-F1 extraction method resulted in the highest yield (13.38%). In contrast, the UAE-F3 extract showed the strongest antityrosinase activity (IC50 value of 1.548 ppm) and the highest total phenol content (692.86 mg/g AGE). Fourier transform infrared analysis of the F1 extract showed that all samples contained the same functional groups, namely C=C (1600–1475 cm-1) and O-H (3800–3000 cm-1), indicating structural similarity among the extracts. Merbau wood extraction using the UAE method, both in the first, second, and third extractions, produced the highest yield, antityrosinase activity, and total phenol content of the extract compared to the CM and MS extraction methods. Keywords: antityrosinase activity, Intsia bijuga, maceration, total phenolic content, ultrasound-assisted extraction
Utilization of Pulp and Paper Waste as an Ameliorant in Marine Clay Soil to Increase the Growth of Eucalyptus pellita F.Muell. Munawaroh, Khoryfatul; Hafidz, Muhammad; Jayani, Faradila Mei; Murda, Rio Ardiansyah; Jarwinda
Jurnal Sylva Lestari Vol. 13 No. 3 (2025): 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.v13i3.1145

Abstract

Marine clay land is formed due to hydrological factors, including acidity, low macronutrient levels, relatively high micronutrient levels, and a clay-dominant texture. Land improvement for marine clay land is necessary to enhance plant growth and productivity. Eucalyptus pellita is a plant that is adaptive to various types of land and is used as a raw material for pulp and paper, which is widely cultivated in Industrial Plantation Forest (HTI) in Indonesia. Research is needed to enhance the quality of marine clay soils and promote plant growth. Land quality can be improved by adding soil ameliorants from surrounding waste, such as waste from HTI, specifically pulp and paper sludge (KCa). This study used a combination of organic ameliorants (cocopeat and cattle manure) and inorganic (KCa, KCl, and dolomite), using a factorial complete random design consisting of two factors. The first factor was inorganic ameliorants, which consisted of four levels: A0 (no inorganic ameliorant), A1 (KCa 25 g), A2 (KCl 25 g), and A3 (dolomite 25 g). The second factor is organic ameliorants, which consists of 7 levels: B0 (no organic ameliorant); B1 (cocopeat 200 g); B2 (cocopeat 100 g); B3 (cocopeat 50 g); B4 (cattle manure 200 g); B5 (cattle manure 100 g); and B6 (cattle manure 50 g). The interaction of these two treatment factors resulted in 28 treatment combinations. A total of 1 kg of sterilized marine clay soil was placed in a polybag, then ameliorants were added according to the experimental design. The purpose of this study is to utilize HTI industrial waste as a soil ameliorant and to analyze the optimal dose of the ameliorant used during the study. The results of this study indicate that improving the quality of marine clay soil using a combination of organic and inorganic ameliorants enhances the growth in height and diameter of E. pellita compared to treatments using single ameliorants. The results showed that the treatment with B2A1 (Cocopeat 100 g and KCa 25 g) was the most effective, yielding the highest growth response, diameter, and number of leaves compared to other treatments. Keywords: marginal land, plant growth, sludge, soil improvement, waste utilization
Assessment of Mangrove Species Diversity in the Municipality of Nasipit, Agusan del Norte, Philippines Pulido, Rhea Lou; Casendac, Elena Fe; Rozano, Michael Jeff; Jandug, Catherine Mhae; Obo, Liezel; Sabado, Jessa Marie; Elvira, Marlon; Corbita, Victor
Jurnal Sylva Lestari Vol. 13 No. 3 (2025): 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.v13i3.1192

Abstract

Mangrove habitats are the most productive and biologically diverse ecosystems in the world. This study assessed the community structure of mangrove species in the two villages of Nasipit, Agusan del Norte, Philippines. There were 10 sampling quadrats with a size of 20 m × 20 m in Barangay (Village) Ata-atahon and Camagong. The data collected include taxonomic names, species diversity, and vegetation analysis. The results of the study revealed that Ata-atahon and Camagong fell under low diversity, as indicated by their Shannon-Wiener Index values of 1.091 and 0.873, respectively. The evenness index showed that Camagong has high evenness compared to Ata-atahon. Moreover, all species found in the two areas were listed as least concern based on the IUCN Red List for its conservation status. Both barangays being studied located at Nasipit, Agusan del Norte, fell under the low category due to anthropogenic activities. These results suggest the need for the rehabilitation and enrichment of the mangrove forest in Nasipit, Agusan del Norte, which could be led by the Department of Environment and Natural Resources in collaboration with the local government and non-governmental organizations. It is also strongly recommended to adopt preventive measures to prevent habitat loss. Keywords: anthropogenic, conservation, dominance, species diversity, species importance value
Biodiversity Patterns of Flora and Fauna in Mangrove Ecosystems under Anthropogenic Pressure in South Sumatra, Indonesia Sarno; Ikhsan, Muhammad; Desitarani; Oktariansyah, Yadi; Pragustiandi, Guntur
Jurnal Sylva Lestari Vol. 14 No. 1 (2026): 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.v14i1.1190

Abstract

Mangrove habitats serve vital functions; however, this habitat tends to face degradation affected by human activity. This study proposes to evaluate the diversity of flora and fauna in two mangrove habitats in South Sumatra, Indonesia: Banyuasin and Ogan Komering Ilir (OKI). Vegetation analysis was assessed using standard transect and plot-based methods, while fauna were recorded using a rapid assessment method. The results indicated that Banyuasin exhibited a superior flora diversity through a higher Shannon-Wiener Index (H' = 1.61) in contrast to OKI (H' = 1.04); however, the disparity was not statistically significant (p = 0.06). Banyuasin had a greater variety of mangrove trees, including Avicennia alba, Nypa fruticans, Sonneratia caseolaris, Kandelia candel, and Bruguiera gymnorrhiza, than OKI, which only had A. alba and S. caseolaris. In Banyuasin, fauna observations found three mammal species, 17 bird species, and 6 herpetofauna species, compared to one mammal, 16 birds, and 4 herpetofauna in OKI. Species such as Trachypithecus cristatus, Prionailurus sp., and Elanus caeruleus were only found in Banyuasin. These findings conclude that higher human activity in OKI may lead to biodiversity degradation. Therefore,  there is an urgent need for robust conservation policies and community-based management to preserve ecosystem services in the mangrove habitats of these regions. Keywords: biodiversity, conservation, mangrove, rapid assessment, vegetation analysis
Influence of Elevation on Growth Performance and Root Traits of 2-Year-Old Terminalia copelandii in Sukau, Kinabatangan, Sabah Khatta, Aida Nabihah M; Nanak, Ag Syahmil Qyusairi Ag; Dumil, Haverdly; Thabet, Thamer Abdulrahman; Wakimin, Nur Fadzlunnisaa’; Kelvin, Pang Kat Nyen; Chen, Si; Terhem, Razak; Hassan, Affendy
Jurnal Sylva Lestari Vol. 14 No. 1 (2026): 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.v14i1.1250

Abstract

Terminalia copelandii is a native, fast-growing tree with potential for forest restoration and agroforestry in Sabah. There is a limited understanding of the effects of elevation on the growth and below-ground root strategies of smallholder farms. This paper examines growth patterns and underground structure of two-year-old T. copelandii grown at different altitudes in Sukau, Kinabatangan, Sabah. Tree height (TH) and diameter at breast height (DBH) were measured at a hilly site and a lowland site. A completely randomized design with three experimental units per site was used. Root traits assessed included specific root length (SRL), root length density (RLD), and root biomass (RB). Roots were extracted at soil depths of 25 cm, 75 cm, 125 cm, and 175 cm and analyzed using an independent t-test at a 5% significance level. Results showed significantly better growth at the lowland site (TH: 4.77 m; DBH: 12.58 cm) than the hilly site (TH: 1.87 m; DBH: 6.48 cm). SRL and RLD were similar at shallow depths but increased at 175 cm in the lowland site. The hilly site showed greater root biomass accumulation, although the difference was not statistically significant. These results demonstrate how elevation-induced environmental factors affect above-ground and below-ground performance, promoting forest restoration and agroforestry strategies for this valuable species. Keywords: fast growing species, forest plantation, root biomass, root phenotyping, Terminalia copelandii
Rapid Assessment of Trees and Shrubs in Sifaran Watershed, Maguindanao Island, Philippines: Implications for Watershed Conservation Villareal, Jayric Fuentes; Poclis, Cindy Eyop; Sindatok, Abdul Rasheed Nakan; De Vera, Peter Jan Dayrit; Santiago-Arenas, Raquel Doclis; Limbona, Bai Hejira Nefertiti Macalandong
Jurnal Sylva Lestari Vol. 14 No. 1 (2026): 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.v14i1.1253

Abstract

The Sifaran Watershed is a vital resource for local communities, serving as a water source that flows through the Ligawasan marsh in the Philippines. Despite its critical role, the watershed remains severely understudied. This lack of baseline data has been a major constraint to enacting effective conservation, ensuring the region’s ecological and socio-economic stability. This study focuses on assessing the trees and shrubs thriving in the Sifaran Watershed, as well as their conservation and distribution status. A stratified sampling approach was employed, establishing quadrats across different streams. The study recorded 77 plant species (55 trees and 22 shrubs) across lower, middle, and upper streams, which were largely diverse, with most species categorized as native and of Least Concern by the International Union for Conservation of Nature (IUCN). The presence of native species classified as Vulnerable species (Dracontomelon dao), Near Threatened (Ficus gigantifolia and Macaranga grandifolia), and Endangered (Mangifera odorata, Pterocarpus indicus, and Vitex parviflora) highlights the potential risks from habitat degradation and other threats. While most species exhibit stable populations, conservation efforts are necessary to protect those at risk and maintain the ecological balance of the watershed. The data gathered were utilized as baseline data to provide actionable recommendations for immediate conservation measures and sustainable management, protecting the invaluable natural heritage from threats such as deforestation, land conversion, and climate change. Moreover, initiatives such as habitat reforestation, responsible land use, and the conservation and protection of different species of trees and shrubs, particularly native species, are key to maintaining a balanced and sustainable watershed. Keywords: conservation status, endemic species, least concern species, native species, watershed

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