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INDONESIA
PERENNIAL
Published by Universitas Hasanuddin
ISSN : 14127784     EISSN : -     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science
“PERENNIAL” adalah artikel ilmiah hasil penelitian dan review asli dalam bidang teknologi, pengolahan, dan kebijakan pemanfaatan hasil hutan serta belum pernah dipublikasikan dan tidak sedang dalam proses penelaahan dalam jurnal ilmiah, bulletin, atau bentuk publikasi lainnya. Artikel yang dinyatakan diterima, hak publikasinya menjadi milik penerbit dan penulis tidak dapat mempublikasikan tulisan yang sama dalam jurnal atau bentuk publikasi ilmiah manapun.
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Articles 8 Documents
 1 
Search results for , issue "Vol. 2 No. 1 (2006)" : 8 Documents clear
KUALITAS PAPAN KOMPOSIT YANG TERBUAT DARI LIMBAH KAYU SENGON DAN KARTON DAUR ULANG . Suhasman; Muh. Yusram Massijaya; Yusuf Sudo Hadi
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.147

Abstract

The use of recycled carton as an alternative material for the layer of composite board may increase the board strength properties. The objective of this research was to find out the influence of face and back layer types on the quality of produced boards. Materials used in this study were wafer made from sengon wood (Paraserianthes falcataria L. Nielsen), water based polymer isocyanate adhesive, and several kinds of cartons such as duplex carton, recycled carton, and waste of corrugated board. The composite board was produced with the target density of 0.65 g/cm3 and the resin solid content of 6% based on oven dry weight of particle, face and back layers. The results are as follows : 1) Utilization of carton layers improved the dimensional stability and bending strength of board; 2) Composite board with recycled carton layer fullfilled the Japanese Industrial Standard (JIS) A-5908-1994 for wafer board type in terms of density, water content, and modulus of rupture (MOR) in lengthwise and widhtwise of board but, did not fullfill that for veneered particled board type; 3) The presence of those layer material types decreased internal bond of the board. Keywords : composite board, face and back layer types, recyled carton
DISPERSAL PATTERN OF JUVENILES OF EMERGENT, CANOPY AND SHADE-TOLERANT TREE SPECIES ON FLOOD-PLANE FOREST AREA AT BERAU, EAST KALIMANTAN Putu Oka Ngakan; Eiji Suzuki; Toshihiro Yamada
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.152

Abstract

Pola penyebaran anakan jenis pohon emergent (Shorea sp.), kanopi (Maduca malaccensis) dan toleran naungan (Aglaia tomentosa) telah diamati pada hutan dataran rendah luapan banjir di Berau, Kalimantan Timur. Hasil penelitian menunjukkan bahwa, penyebaran anakan ketiga jenis pohon tersebut sangat dipengaruhi oleh agen dispersal buah. Anakan Shorea sp., yang mana memiliki buah tipe samara, sebagian besar tersebar pada bagian Utara-Barat pohon induknya, mengikuti arah angin yang menerbangkan buahnya. Anakan dua jenis lainnya, yang mana buahnya yang bertipe berry sangat disukai oleh binatang mamalia, menyebar secara lebih merata. Struktur populasi anakan ketiga jenis tersebut menunjukkan kecenderungan yang berbeda. Shorea sp. menunjukkan struktur populasi berbentuk huruf J terbalik yang sangat tajam, sedangkan struktur populasi anakan dua jenis lainnya cenderung berbentuk garis horizontal. Perbedaan struktur populasi tersebut terkait dengan toleransi jenis-jenis tersebut terhadap naungan. Buah Shorea sp. yang jumlahnya melimpah segera berkecambah setelah jatuh, namun pertumbuhan anakan selanjutnya tertahan oleh naungan kanopy hutan yang sangat rapat. Key words : Dispersal, Juvenil, Emergent, Canopy, Shade-tolerant
SIFAT FISIK IJUK DAN POTENSINYA SEBAGAI PERINTANG FISIK SERANGAN RAYAP TANAH Astuti Arif; Musrizal Muin; . Syahidah
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.148

Abstract

The fiber of sugar-palm tree Arenga pinnata Merr., locally known as ijuk, is traditionally used as covering to protect ground-contact wood construction materials although effectiveness of the material in protecting wood construction from biodeterioration has not been determined. In the current study, potential of the sugar-palm tree fiber as a physical barrier against termite attacks was analyzed in terms of their structure and physical characteristics. Samples of sugar-palm tree fibers from natural and marketed formations were prepared and determined for their fiber distribution, shapes, sizes, moisture content, density, and sheet grammage since these aspects were considered to be important factors influencing the penetration ability of termites. Results showed that each of the sugar-palm tree fibers has different shapes (half-round, round, rectangle) and different sizes (ranging from 0.05 to 1.00 mm in thickness). It was also found to have 3-5 ramifications with the angle of 10o – 30o. The process of branching out was supposed to initiate a natural insertion of each formed fiber to others. It is believed that fibers with particular arrangements are able to prevent the penetration or tunneling of termites. Keywords: Sugar- palm tree fiber, physical barrier, subterranean termites
SIFAT FISIK DAN MEKANIK KOMPOSIT KAYU SEMEN-SERBUK GERGAJI . Bakri; Endra Gunawan; Djamal Sanusi
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.153

Abstract

This research aims to find out the effect of cement-saw dust ratio levels on the physical and mechanical properties of produced composites. The physical properties (density, water content, water absorption after the immersion of one hour and 24 hours, and thickness swelling after the immersion of one hour and 24 hours) and mechanical properties (MOE and MOR) were observed according to ISO standards. The results showed that the use of the cement to sawdust ratio of 3 : 1 in producing wood composite with the target density of 1200 kg/m3 resulted in the lowest water absorption and the highest MOE and MOR. The swelling value and MOR of the produced boards were not acceptable, but their water content, water absorption, and MOE parameters were acceptable according to ISO 8335 1997. Key Words : Physical and mechanical properties, cement wood composite, sawdust
SIFAT FISIK BATANG DAN CABANG KAYU MAKADAMIA Andi Detti Yunianti
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.149

Abstract

Since there have been a big difference between wood production and industrial need, wood diversification plays an important role in handling wood deficiencies. Wood raw material diversification could developed and increased throughout the use of whole parts of the tree including branch. The current study was aimed at understanding stem and branch physical properties (basic density, air-dry specific gravity, air-dry moisture content and shrinkage) of macadamia wood as quality indicators for efficient utilization in the future. For the purpose of the study, parts of stem and branch of the tree were taken from a macadamia tree. Test specimens of stem were cut 50 cm from the ground while that of branch were selected from the largest diameter at 10 cm distance from the main stem of the tree. All samples were tested for their physical properties according to ISO standards, 1975. Results showed that the basic density, air dry specific gravity and longitudinal shrinkage of the branchwood of macadamia were higher than those of the stem. The air-dry moisture content, radial and tangential shrinkage were low on the branchwood. Keywords : Wood Physical Properties, Branchwood , Macadamia Wood
PRODUKSI POLONG DAN BIJI TANAMAN GAMAL (Glirisidia sepium) DARI BERBAGAI PROVENANSI DENGAN PEMUPUKAN NPK Muh. Restu; Baharuddin Mappangaja
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.150

Abstract

The productivity of forest natural resources is now decreasing and therefore rehabilitation efforts is urgently needed. Breeding of forest plant is the best solution to increase forest productivity in both quantity and quality. The biological reproduction can be conducted through seed production with fertilization. This research was aimed at determining the effect of fertilizing treatments on pod and seed production of different Glirisidia sepium provenances to find out the best provenance and best fertilizer dosage. Fertilization treatments showed a significant effect on the pod and seed production. On the other hand, the provenance and its interaction with fertilizing did not show any significant effects on the pod and seed production. The best performance was found on the fertilization treatment of 500 g resulting in the average production of 1,288 pods and 27,621 seeds/tree. Keywords: Fertilizing, Seed Production, Provenance, Glirisidia sepium
OTONOMI DAERAH DAN PENGELOLAAN SUMBERDAYA ALAM : KASUS PENGELOLAAN HUTAN DI SULAWESI SELATAN Baharuddin Nurkin
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.151

Abstract

Decentralization has been regarded as a best way to utilize natural resources for local people benefit and to distribute development results fairly through out of entirely of the country. However, experience has shown that in some cases decentralization in forest management policy was not implemented by local authorities in balancing way of both utilization and conservation. On the other hand, local government complained that even though power transfer to local authority has been implemented since the Indonesian reform politic, central government is still maintaining control over the forest management policy. This article describes decentralization experiences of forest management policy in South Sulawesi. Their impacts followed by some suggestions are also outlined. Key words : Decentralization, Forest management, Local Authority, Central Goverment
PEMANFAATAN SERBUK KAYU JATI (Tectona grandis L.) YANG DIRENDAM DALAM AIR DINGIN SEBAGAI MEDIA TUMBUH JAMUR TIRAM (Pleurotus comunicipae) . Baharuddin; Muh. Taufik Arfah; . Syahidah
PERENNIAL Vol. 2 No. 1 (2006)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v2i1.146

Abstract

The growth responds of Pleurotus comunicipae to the use of cold water-soaked teakwood sawdust as a growth medium was investigated. Teakwood sawdust was soaked in cold water during the time periods of 1, 3, 5 and 7 days) with ten replications. Unsoaked teakwood sawdust was also prepared and used as a control. Measurement variabels consisted of time required for a completely covering mycelial growth, number of fruitbody, and fungal mass (green and dry weight). Results showed that P. comunicipae placed on soaked teakwood sawdust medium had a better growth than control (without soaking) medium. The medium with increased soaking period produced a good growth ability of P.comunicipae. At teakwood sawdust soaked for 7 days, the average of mycelial growth to cover teakwood sawdust medium, number of fruiting bodies, green weight and dry weight at the first harvesting were 52.6 days, 8.6 units, 100.5 grams and 13.4 grams, respectively. Keywords: teakwoods sawdust, Pleurotus comunicipae, cold water soaking, growth ability

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