International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


Downloads: 105

Research Paper | Forestry | Indonesia | Volume 4 Issue 4, April 2015


Native Commercial Species Growth at the Several Gap Size, the Testing of ISC-LEP System

Wahyudi, Nursiah


Abstract: The Indonesia Selective Cutting and Line Enrichment Planting (ISC-LEP) is the silvicultural sytem that applied in Indonesia tropical forest in recent times. This system combined two silvicultural sytems previously, i. e. Indonesia Selective Cutting and Clear Cutting with Artificial Regeneration. At the ISC-LEP system, the native commercial species, as Shorea leprosula, is planted at line that covered 15 % of total areas after conducted the selective cutting in the all areas. The research had been established at the PT Gunung Meranti Forest Concession, in the Central Kalimantan Province, Indonesia, since 2004 to 2014. Three stand removal treatments of ISC-LEP system and replicated four plots respectively with combinations of ecological site type and slope of the ground. The treatments involved increasing levels of stand removal to open area, i. e 3 m gap size, 5 m gap size, and 10 m gap size. All modelled gaps were assumed to lengthwise direction to 1000 m, characterized on slope with levels of 0-15 % and 15-25 %. We determined gap size and gap density within all treatment units. The total length of fine in canopy gap and new pioneer species on gap were recorded. Research result indicated that 5 m gap size was the best treatment although did not differ significantly with 3 m gap size but significantly differ with 10 m gap size which arising there 9 pioneer species. Diameter at breast height of Shorea leprosula at 5 m gap size was 20.3 cm/10 years or has mean annual diameter increment namely 2.03 cm. Both slope was not significantly different with all treatments. Particular attention was paid to parallels between ecological and silvicultural disturbances and the potential for extending ecological intrepretations to the improvement of silvicultural practices.


Keywords: Gap density, line gap size, mean annual increment, silvicultural system


Edition: Volume 4 Issue 4, April 2015,


Pages: 695 - 699


How to Cite this Article?

Wahyudi, Nursiah, "Native Commercial Species Growth at the Several Gap Size, the Testing of ISC-LEP System", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SUB152912, Volume 4 Issue 4, April 2015, 695 - 699

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