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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 3 Documents
 1 
Search results for , issue "Vol. 13 No. 1 (2007)" : 3 Documents clear
KAJIAN KOMPETISI TUMBUHAN EKSOTIK YANG BERSIFAT INVASIF TERHADAP POHON HUTAN PEGUNUNGAN ASLI TAMAN NASIONAL GUNUNG GEDE PANGRAN Budi Utomo; Cecep Kusmana; Sukisman Tjitrosemito; Muhammad Nur Aidi
Jurnal Manajemen Hutan Tropika Vol. 13 No. 1 (2007)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Up to now, montane rain forest of Gunung Gede-Pangrango National Park, faces problem in the form of invasion of exotic plant species into the area.  Location of the area that borders with various land uses, such as Botanical Garden and agricultural land, make it very susceptible toward invasion of plant species from outside the area.  The collapse of large trees which normally constitute a mechanism of natural regeneration, was in fact stimulating the development of exotic species, particularly those which were invasive, inside the area. The objective of this research was to test the competitive ability of endemic species, which in this case was represented by Cleystocalyx operculata and Mischocarpus pentapetalus, toward exotic plant species, represented by Austroeupatoriun inulaefolium and Passiflora ligularis, during 5 months of study.  Growth rate of exotic plant species, as well as the dry weight biomass, were larger than those of endemic species.  Indirect estimation of competitive ability showed that competitive ability (β) of endemic species were 4-5 times less, namely 0.0274 (for C. operculata) and 0.0251 (for M. pentapetalus); as compared with those of exotic species, namely 0.125 (for P. ligularis) and 0.1104 (for A. inulaefolium).  Direct test also proved that competitive ability (β) of endemic species was lower than that of exotic species, as shown by relative crowding value < 1.  Estimation of future competitive ability, using diagram of input/ output ratio, showed also the disability of endemic species to compete with exotic species, where position of input/output ratio points were parallel with equilibrium line y=x. Considering those facts, there is urgent need for controlling these invasive exotic species inside the National Park area to maintain the sustainability of biodiversity and regeneration of endemic species in montane rain forest of Gunung Gede–Pangrango National Park.
UJI KETURUNAN SAUDARA TIRI ( Half - sib ) SENGON ( Paraserianthes falcataria L. Nielsen) DI TAMAN HUTAN BLOK CIKABAYA Ali Mukmin; Iskandar Zulkarnaen Siregar
Jurnal Manajemen Hutan Tropika Vol. 13 No. 1 (2007)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Analysis of genetic parameters in seedling seed orchard progeny trial of Paraserianthes falcataria at Taman Hutan Blok Cikabayan are very important to decide to continue  the breeding program.  The analysis was coducted on estimation of individual heritability and genetic correlation between traits. Result of analysis shows that individual heritability for height, diameter and form traits.  
STRATEGI PENGEMBANGAN USAHA PERSUTERAAN ALAM DI KABUPATEN SUKABUMI, PROPINSI JAWA B Nurheni Wijayanto; Eva Fauziah
Jurnal Manajemen Hutan Tropika Vol. 13 No. 1 (2007)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The striving of nature silk in Kabupaten Sukabumi keeps decreasing whereas, market opportunity and potential for nature is good, for this time being. For knowing development strategic of striving nature silk correctly, it need to be done an aprroachment system of replacement SWOT analysis  (strategis analysis) and ISM (interpretative Structural Modelling) technique (structural analysis). This research will identify internal and external factor and produce structural models.The most powerful factor that influence the striving of nature silk is nature condition (climate, soil and topography).  The weakness factor are limited capital and access.  As opportunity element factor and treatment of cocoon needs still high and germ and disease of murbei leaves also silk worm.Prosperity of nature silk worm influence a lot of society sector especially farmer.  In way to make it success needs very qualified human resources, an expert on this work and good management.  Hoped with fulfilled need, will solved a lot of obstructions one of them is limited capital and access.  The purpose of this program as good as possible is for increasing nature silk work.  Involved all sorts of institution to realize this aim will be need, one of them is Forestry Department which will decide fact in striving of nature silk.

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