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INDONESIA
Journal Hutan Tropika
Published by Universitas Palangka Raya
ISSN : 16937643     EISSN : 26569736     DOI : https://doi.org/10.36873/jht.v14i1.327
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
adalah jurnal yang memiliki fokus dalam bidang ilmu dan teknologi kehutanan tropika serta semua aspek yang terkait dengan bidang ini. Jurnal ini memiliki ISSN: 1693-7643. Jurnal Hutan Tropika diikelola oleh jurusan Kehutanan, Fakultas Pertanian, Universitas Palangka Raya (Jurnal Hutan Tropika is a journal that focused on science and technology of tropical forestry and also all aspects concerned. This journal has ISSN: 1693-7643. Journal Hutan Tropika is managed by Forestry Department, Faculty of Agricultural, Universitas Palangka Raya)
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 7 Documents
 1 
Search results for , issue "Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016" : 7 Documents clear
ANALISIS FINANSIAL HUTAN RAKYAT DI KECAMATAN JABIREN RAYA KABUPATEN PULANG PISAU KALIMANTAN TENGAH : Fierta Tirtajaya, I Nyoman Surasana, Nursiah Admin JHT
HUTAN TROPIKA Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (129.222 KB) | DOI: 10.36873/jht.v11i2.41

Abstract

ABSTRACK One of some methods to conserve the peat forest species is increasing the local peoples income. In order that the research regarding financial and economic analyzis of forest community at the peat forest is significant needed. The aim of this research was to know the benefit of forest community project that be developed at the Jabiren Raya, Pulang Pisau District, Central Kalimantan Province. The research was done using interview agree with list of questioner and literature study. Research result showed that cultivation of Dyre lowii and Hevea brasiliensis are profitable with NPV and BCR namely IDR 67.5 mill and 1.36, 31.4 mill and 1.19, and 5.5 mill and 1.04 per ha at the bank rate of 13%, 15%, and 17% respectively. Profitable of IRR namely 18% bigger than social bank rate. Keynotes: Dyre lowii, Financial, forest community, Hevea brasiliensis
PENDUGAAN KARBON TERSIMPAN TEGAKAN AKASIA (Acasia mangium Wild.) UMUR 10 TAHUN DI HUTAN TANAMAN INDUSTRI PT KORINTIGA HUTANI, PROVINSI KALIMANTAN TENGAH : Vieve Sanjaya Geruntung Nyahu Admin JHT
HUTAN TROPIKA Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (203.941 KB) | DOI: 10.36873/jht.v11i2.42

Abstract

ABSTRACT Forest role as climate stabilizer may be realized due to its ability to control world climate change caused by the rising concentrations of greenhouse gases. Carbon dioxide (CO2) is one of greenhouse gas with very rapid increase in its concentration. An effort has been taken to suppress the increase in CO2 is by controlling the concentration of carbon through advancement of carbon absorption program, where organic carbon as a result of photosynthesis will be stored in the biomass of forest stands or woody trees. Acacia (Acacia mangium Wild.) is one of fast growing species and is often used as a staple crop in forest plantation (HTI). The purpose of this study is to determine the potential of carbon stock by diameter class, predict carbon stocks and aerial CO2 absorption by Acacia trees in forest plantation area of PT Korintiga Hutani, Lamandau District, Central Kalimantan Province. The study was carried out in PT Korintiga Hutani plantation forest and took Acacia stands aged years as its object. Biomass measurement of Acacia stands was done indirectly using allometric formula proposed, whereas biomass of under the plant, woody and litter necromass was allegedly using the direct method. Carbon of Acacia stands, woody necromass, undergrowth and litter were determined using the formula, where 46% of biomass is carbon content. Lastly, the amount of carbon dioxide absorbed by Acacia stands was predicted using the formula. The results show that the average carbon stock by diameter class of Acacia stands aged 10 years are 109.66 tons/ha, respectively. Carbon stocks of undergrowth, woody necromasa and litter on the location of Acacia stands aged 10 years are 1.42 tons/ha, 0.15 tons/ha and 3.00 tons/ha, respectively. Total carbon stocks on the location of Acacia stands aged 10 years are 114.23 tons/ha. In the meantime, CO2 absorbability of Acacia stands aged 10 years amounted to 402.46 tons/ha with the rate of CO2 uptake increased by 40.25 tones/ha/year, respectively. Keywords: Acacia stands, carbon stock, forest plantation, carbon dioxide.
ANALISIS POTENSI POHON DI AREAL BEKAS TEBANGAN PT PUTRA KATINGAN PRATAMA DI KABUPATEN KATINGAN : John F. Gustaf, Gimson Luhan, V.S.G.Nyahu Admin JHT
HUTAN TROPIKA Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.092 KB) | DOI: 10.36873/jht.v11i2.43

Abstract

ABSTRACT Production forest management in Indonesia was developed using a pattern of forest concession since 70’s. Based on regulation of Ministry of Forestry No.11/2009, the silvicultural systems that be applied at the site were Indonesian Selective Cutting and Planting (TPTI), Selective Cutting and Strips Planting (TPTJ), Gap Cutting (Tebang Rumpang), and Clear Cutting with Artificial Regeneration (THPB). In connection with that, there are activities of timber, cruising 2-5% in the working areas of PT. Pratama Putra Katingan to obtain details about the condition of standing stock at the forest. They are conducted every 10 years. The observation results of commercial standing stock for diameter ? 20 cm namely 45.20 stems/ha and volume of 19.65 m3/ha, meanwhile the total standing stock of forest namely 72.70 stems/ha and volume of 40.75 m3/ha. Keywords: Commercial species forest concenssion, standing stock
STRATEGI PENGEMBANGAN OBYEK WISATA AIR TERJUN SANGGILIPAN DI KECAMATAN DELANG KABUPATEN LAMANDAU : Antonius Triyadi1, Yuni Setiawati 2 Admin JHT
HUTAN TROPIKA Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (425.94 KB) | DOI: 10.36873/jht.v11i2.44

Abstract

ABSTRACT This research aimed to identify the driving factors and obstacles as well as analyzing strategic options might be taken by Lamandae, Central Kalimantan Province in order to manage Sanggilipan waterfall at the site. The research was carried out at Sanggilipan waterfall in Jojabo Hulu Village, Delang sub-District, Lamandau District. The research was conducted using SWOT as its analytical tool, and based on the fact that Sanggilipan waterfall has plenty of natural potential but has not been optimally utilized, this research proposes SO (Strength and Opportunity) as alternative strategy for its further development. Therefore, the development of Sanggilipan waterfall should consider the Strength and utilize the opportunities it has. Keywords: Strategic options, Sanggilipan waterfall, SWOT analysis
STRUKTUR DAN PENGEMBANGAN EMBRIO SOMATIK EKSPLAN DAUN Dyera lowii Hook.f. MELALUI TEKNIK IN-VITRO : Tri Suwarni Wahyudiningsih1*, Issirep Sumardi2 Admin JHT
HUTAN TROPIKA Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (325.965 KB) | DOI: 10.36873/jht.v11i2.45

Abstract

ABSTRACT The propagation of tree plus Dyera lowii can be anticipated by micropropagation via somatic embryogenesis. The study was aimed: 1). to determine the composition of growth regulators for induction of somatic embryos from leaf explant, 2). To study of the structure and development of somatic embryo D. lowii. The first leaf of seedling was utilized as sources of explants. The base leaf explant growth roots directly on MS (Murashige & Skoog) medium with 2 mg/l Kinetin + 7.5 mg/l IBA, but indirectly via callus phase at IBA 5 mg/l. The middle leaf explant produced somatic embryo resulting yellowish-white and compact texture on MS medium with 0.2 mg/l Benzyl Adenin + 0.5 mg/l IBA. Embryogenic callus cells have formed proembryonic stage: 2-cells, 4-cells, round, globular and heart phase. Keywords: Micropropagation, explant, somatic embryo, pro-embryo, suspensor
ANALISIS FINANSIAL REHABILITASI AREAL EKS IUPHHK-HA PT KAYON TIMBER COMPANY II DI PROVINSI KALIMANTAN TENGAH : Marthinus R. Lambung, Christopheros, Johanna Maria Rotinsulu dan Gimson Luhan Admin JHT
HUTAN TROPIKA Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (216.413 KB) | DOI: 10.36873/jht.v11i2.46

Abstract

ABSTRACT Forest concession of PT Kayon Timber Company II is one of some forest concessionaries in Central Kalimantan Province that must be rehabilitated. This research was aimed to analyze the financial feasibility of Indonesian Strips Cutting and Planting (TJTI) and Clear Cutting with Artificial Regeneration (THPB) silvicultural systems in order that to rehabilitate the site. The observation results of commercial standing stock for diameter ? 20 cm namely 36.7 stems/ha and volume of 21.2 m3/ha, meanwhile the total standing stock of forest namely 67.8 stems/ha and volume of 35.36 m3/ha. Applying the TJTI and THPB silvicultural systems are suitable at the interest rate of 18%. Profitable of IRR namely 18% bigger than social bank rate. Keynotes: Financial analysis, forest concession, profitable
ANALISIS PERTUMBUHAN DAN FINANSIAL TANAMAN SUNGKAI (Peronema canescens) DI KAPUAS, KALIMANTAN TENGAH : Wahyudi Admin JHT
HUTAN TROPIKA Vol 11 No 2 (2016): Volume 11 Nomor 2 Tahun 2016
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (167.402 KB) | DOI: 10.36873/jht.v11i2.47

Abstract

ABSTRACT Forestry concession conduct the plantation project at the logged over areas using TPTI silvicultural system. The aim of this research was to analyze the growth and financial value of sungkai (Peronema canescens) that be planted at the logged over areas of PT Gunung Meranti at the Kapuas, Central Kalimantan Province, using TPTI silvicultural system. The research analyzed of 100 samples of sungkai and it analysed of its growth until 13 years old and estimate of financial value until 40 years old at the future with loan interest assumption 19,5% and 16%, expense increase 10%, price decrease 10% and the form factor 0,6. The living percentage of sungkai at the 13 years old namely 89,7%. Mean Annual Increment (MAI) namely 11,90 m3/ha/year, and the best financial cycle for the worker of wood company class namely 13 to 25 years. Keywords: Analyze, financial, growth, Peronema canescens

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