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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 3 Documents
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Search results for , issue "Vol. 8 No. 2 (2020): May" : 3 Documents clear
Pemanfaatan Maltodextrin Singkong untuk Perekat Ramah Lingkungan dalam Pembuatan Papan Partikel dari Bagas Sorgum (Utilization of Cassava Maltodextrin for Eco-friendly Adhesive in the Manufacturing of Sorghum Bagasse Particleboard) Sutiawan, Jajang; Hermawan, Dede; Kusumah, Sukma Surya; Widyaningrum, Bernadeta Ayu; Sukara, Endang
Jurnal Sylva Lestari Vol. 8 No. 2 (2020): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl28144-154

Abstract

The development of natural adhesives derived from non-fossil resources is very important for the future. This research aimed to develop natural adhesive from maltodextrin and compare it with other natural adhesives such as citric acid and malic acid for particleboard production. The effect of the adhesive raw materials on the physical and mechanical properties of the particleboards was investigated. The sweet sorghum and those natural adhesives were used in the manufacturing of particleboard. The resin content of the natural adhesive was 20 wt% base on air-dried particles. The dimension and density target of the boards were 30 x 30 x 0.9 cm3 and 0.8 g/cm3, respectively. The particleboards were prepared by hot pressing at 200°C for 10 min. The physical and mechanical properties of particleboards were evaluated based on Japanese Industrial Standard for particleboard (JIS A 5908-2003). The results showed that the density, moisture content, modulus of elasticity, and modulus of rupture met the requirements of the JIS A 5908-2003 standard, while the thickness swelling, water absorption, and internal bond did not meet the standard requirements. The results of FTIR analysis indicated the establishment of ester linkages due to the reaction between the natural adhesive and sorghum bagasse that contributed to the excellent physical and mechanical properties of the particleboard. Keywords: cassava, maltodextrin, natural adhesive, particleboard, sweet sorghum
Penaksiran Riap Biomassa dan Riap Karbon pada Famili Sapindaceae di Kebun Raya Purwodadi (Biomass and Carbon Increments of Sapindaceae Family in Purwodadi Botanic Garden) Danarto, Setyawan Agung
Jurnal Sylva Lestari Vol. 8 No. 2 (2020): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl28241-254

Abstract

Global warming has adverse effects on human life, which can be prevented by planting many trees. Sapindaceae family has various purposes, particularly as fruit producers. However, research on the potential of the Sapindaceae family as a carbon sequester is still lacking. This study aimed to determine the annual increment of biomass and carbon absorption of 22 species from the Sapindaceae family in Purwodadi Botanic Garden. Data were collected using a non-destructive method in the Purwodadi Botanic Garden in July-September 2019. The research tool used in this research included stationery, roll meter, and tally sheet. Biomass was measured with the Kettering equation. The results revealed variations in the value of biomass and the carbon increment of each species. Three species of the Sapindaceae family that have biomass and high carbon increment were Litchi chinensis, Filicium decipiens, and Schleichera oleosa. Keywords: biomass increment, carbon increment, global warming, sapindaceae family
Pemanfaatan Tumbuhan Obat oleh Masyarakat Sekitar Taman Wisata Alam (TWA) Bukit Kelam, Kabupaten Sintang, Kalimantan Barat (The Utilization of Medicinal Plants by Communities around Bukit Kelam Nature Park, Sintang Regency, West Kalimantan) Yusro, Fathul; Pranaka, Resky Nanda; Budiastutik, Indah; Mariani, Yeni
Jurnal Sylva Lestari Vol. 8 No. 2 (2020): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl28255-272

Abstract

Bukit Kelam Nature Park has a high diversity of flora, including medicinal plants. This study aimed to analyze the medicinal plants in Bukit Kelam Nature Park with high use value (UV), agreement of community's (informant consensus factor/ICF) in utilizing plant species for specific usage categories, and preferred medicinal plants for the treatment of particular usage (fidelity level/FL). Data was collected through field surveys and interview with respondents in Kebong, Merpak, and Kelam Sejahtera villages. Purposive sampling was used to determine the number of the respondent, and the number of respondents was 30% of the total number of the households (351 respondents). The results showed that 84.61% of respondents used 198 species of medicinal plants. Eleven species had high UV, and 5 of them were Curcuma longa (0.3761), Piper betle (0.2422), Psidium guajava (0.2308), Syzygium polyantum (0.1510), and Eleutherine bulbosa (0.1481). The high ICF for the usage category were for body odor, bad breath, diet, acne, nosebleeds, coughs, diarrhea, hypertension, and internal injuries. Fifty-eight species had high FL values (100%), and 5 of them were Erythrina subumbrans (fever), Heliconia rostrata (diabetes), Hippobroma longiflora (dysentery), Cassia alata (skin infection), and Baccaurea motleyana (sore eyes). Keywords: Bukit Kelam, conservation, local wisdom, traditional medicine

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