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INDONESIA
MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management
Published by Institut Pertanian Bogor
ISSN : 20870469     EISSN : 20892063     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Manajemen Hutan Tropika is a periodic scientific articles and conceptual thinking of tropical forest management covering all aspects of forest planning, forest policy, utilization of forest resources, forest ergonomics, forest ecology, forest inventory, silviculture, and management of regional ecosystems.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol. 8 No. 2 (2002)" : 7 Documents clear
Penerapan Sistem Silvikultur Tebang Pilih Tanam Indonesia (TPTI) pada Hutan Dipterocarpaceae, Hutan Hujan Dataran Rendah di HPH PT. Hugurya, Aceh Indrawan, Andry
Jurnal Manajemen Hutan Tropika Vol. 8 No. 2 (2002)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The study describes the implementation of the sylviculture system of Indonesian selective logging and planting (TPTI) in lowland tropical forest. The study area, which is located in the forest concession area of PT. Hugurya (Aceh), is dominated by species of kapur (Dryobalanops aromatica) and meranti (Shorea leprosula). Within the study area, tree species currently exploited include Shorea leprosula, Dryobalanops aromatica, Dipterocarpus grandtjlorus (Dipterocarps family), and Scapium macropudum (Sterculiaceae family). The species in tree and regeneration stages that were found either in primary forest or logged-over forest are dominated by commercial species, especially tree species from the Dipterocarps family. The number of nucleus trees (seed trees) is sufficient and fulfills the requirement of Indonesian selective cutting and planting. The condition of natural regeneration is also sufficient and will ensure the forest's sustainability at the next cutting cycle.
Pemilihan Jenis Tanaman Kebun-Talun: Suatu Kajian Pengambilan Keputusan oleh Petani Suharjito, Didik
Jurnal Manajemen Hutan Tropika Vol. 8 No. 2 (2002)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

A study of peasant's choices to agriculture crops is important to understand what is its preferencies, consideration, and constraints. This knowledge of peasant' choices could help the scientists and extensionists for sharing their knowledges with the peasant communities to improve agriculture productivity, product optimalization, and products prices. The objective of the research is to explain what reasons/ consideration is taken into account by peasants when he choose a kind ofplant species. The research found that peasant choose kebuntalun crops with some reasons i.e. (1) to get numerous products; (2) to get various products (daily and continuously, for household subsistence and for income); (3) to be easy maintenance; (4) to be easy to sell products; (5) its price is stable or increase; (6) heritage from our parent; (7) small plot of land; (8) to be suitable with land condition. This finding show that the peasant has productive, efficient, and commercial orientation as well as prefer to diversity of products. Based upon this finding the author suggest that the role of extensionist is to provide basket ofplant choices which can be productive, efficient, easy to maintain, easy to sell, stable or increase price, and diversity ofplants.
Study on Spatial and Temporal Changes of Forest Cover Due to Canal Establishment in Peat Land Area, Central Kalimantan I Nengah Surati Jaya
Jurnal Manajemen Hutan Tropika Vol. 8 No. 2 (2002)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Artikel ini membahas tentang dampak dari pembangunan saluran irigasi terhadap distribusi spasial hutan dun lahan terbuka di eks pengembangan lahan gambut, Kalimantan Tengah. Untuk mengetahui kondisi penutupan hutan sebelum dun sesudah pembangunan saluran, digunakan citra Landrat TM rekaman tahun 1996 (sebelum pembangunan), 1998 dun 1999 (sesudah pembangunan). Hipotesis yang digunakan adalah penurunan air tanah sebagai akibat dari pembuatan saluran telah menjadi "driving force" perusakan lahan. Indikator yang digunakan dalam penelitian ini adalahpersentase distribusi lateral dari penutupan hutan serta terbukanya lahan-lahan kosong basah maupun kering di sekitar kanal. Penelitian ini menunjukkan adanya hubungan yang sistematis antara penurunan persentase penutupan hutan dun peningkatan persentase luas lahan terbuka dengan jarak dari saluran-saluran air yang dibangun, khususnya pada areal A. B dan C dimana satuan lahannya didominasi oleh lahan gambut. Penelitian ini sekaligus menggambarkan tentang peranan CIS dalam evaluasi gejala pemicu terjadinya kerusakan lingkungan.
Separabilitas Spektral Beberapa Jenis Pohon Menggunakan Citra Compact Airborne Spectograph Imager (CASI): Studi Kasus di Kebun Raya Bogor Jaya, I Nengah Surati
Jurnal Manajemen Hutan Tropika Vol. 8 No. 2 (2002)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

CASI (Compact Airborne Spectrometer Imager) data was examined to classrfi 20 tree species. The numerical taxonomy using nearest neighbor hierarchical classification method was applied to cluster the spectral reflectance of those species of interest. The study shows promising results expressing the abiliry of CASI image to discriminate 20 tree species. To get a better result of discriminating 20 species, the number of bands used should be more than eight bands. Using combination of less than eight bands caused some class pairs "inseparable". From the cluster analysis, the study also found that there is no relationship between botanical taxonomy of the species and their spectral reflectance. The tree species that belong to the same genus or family could not have similar spectral reflectance.
Evaluation of Land Suitability for Selected Land Utilization Types Using Geographic Information System Technology: (Case Study in Bandung Basin West Java) Ismail HJ Hashim; I Nengah Surati Jaya; Iwan Gunawan
Jurnal Manajemen Hutan Tropika Vol. 8 No. 2 (2002)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Artikel ini membahas tentang pembangunan suatu model pemetaan kesesuaian lahan di suatu wilayah pedesaan dengan menggabungkan prosedur evaluasi lahan dengan pilihan-pilihan pengambilan keputusan dalam suatu sistem informasi geograjs (SIC). Studi ini mencakup 5 tahapan : (I) mendisain unit pemetaan lahan, (2), mendiagnosa tipe-tipe penggunaan lahan yang ada dun keperluan-keperluannya, (3) menganalisis kesesuaian lahan melalui "matching" antara unit pemetaan lahan dengan tipe penggunaan lahan, (4) mengintegrasikun data ke basis data relasional (sosial-ekonomi), dun (5) penyajian peta kesesuaian lahan melalui proses 'j'oin table"antara hasil kesesuaian lahan dengan unit pemetaan lahan dalam SIC. Studi ini rnemperlihatkan bahwa sebagian besar unit pemetaan Iahan di areal studi sesuai dengan kesesuaian fisik dari penggunaan lahan (lebih dari 53% termasuk kedalam kelas kesesuaian sedang dun kesesuaian tinggi). Kesesuaian jsik yang diperoleh juga sejalan dengan kesesuaian ekonomi dimana BCR berkisar antara 1, I sampai dengan 1.38.
Kontribusi Repong Damar terhadap Ekonomi Regional dan Distribusi Pendapatan Wijayanto, Nurheni
Jurnal Manajemen Hutan Tropika Vol. 8 No. 2 (2002)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This research has aims to learn the contribution of Repong Damar to regional economic and income distribution. The data for research consists of primary and secondary data. The secondary data is collected for the analysis of regional economic, and the primary data is used to calculate the income distribution. The analysis of regional economic with Location Quotient (LQ), and Gini Index is used to analysis the income distribution. The result showed that damar sector had become base activities and had positive economic growth at West Lampung. The value of Gini Index is 0.356 for South Pesisir District, 0.300 for Central Pesisir District, and 0.526 for North Pesisir District. The value of Gini Index for Pesisir Krui Region is 0.394. This value shows that Repong Damar had main contributed on income distribution in Pesisir Krui Region.
Metode Penyimpanan Benih Merbau (Intsia bijuga O. Ktze) Yuniarti, Naning
Jurnal Manajemen Hutan Tropika Vol. 8 No. 2 (2002)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This study describes a proper methode of seed storage to ensure merbau seeds remain viable after being separated from their host plant, and enable to germinate satisfactory by after planting. The aim of this research is to find out a proper methode of seed storage of merbau seeds. In implementing proper storage methode, three types of factors were tested, i.e : storage container (plastic, can, cloth bags, sack bags and bamboo box), storage room (air conditioned and room/ambient temperature); and storage durations (0, 2,4 and 6 months). The results showed that the most proper seed storage of merbau seeds was by using plastic bag container in an air conditioned room.

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