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Journal : Peronema Forestry Science Journal

POTENSI HASIL HUTAN NON KAYU KELOMPOK PALMAE BERBASIS SISTEM INFORMASI GEOGRAFIS (SIG) DI KECAMATAN LUMBAN JULU KPHL MODEL UNIT XIV TOBASA Tarida Olivia A Hutapea; Rahmawaty Rahmawaty; Irawati Azhar
Peronema Forestry Science Journal Vol 5, No 2 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

As a family of Arecaceae generally Palmae is in the form of palm or shrubs. The purpose of this study was to identify and map the distribution of Non Wood Forest Production (NWFP) group palmae along with its standing in the utilization of the potential of NWFP by the community. Field data colected from March to May 2015. The method used is systematic sampling with ramdom start with 0.5% of sampling intensity. Mapping the distribution of use software ArcView GIS 3.3. Exploration results and the identification of palmae species from 19 ha of sample plots or 475 plots contained 707 palmae rod consisting of 2 sub-families and 7 species. The results showed that the most dominant species spreading is Hotang buar-buar (Calamus scipionum Loureiro) at an altitude of 1300 m above sea level and Bagot (Arenga pinnata) at 1400 m above sea level with IVI = 71,78%; and IVI = 113,75 %. The highest species diversity index value at an altitude of 1300 m above sea level 1,64. Keyword: KPHL Tobasa, HHNK, Palmae, GIS, Lumban Julu Sub Ditrict
PENDUGAAN CADANGAN KARBON ABOVE GROUND BIOMASS DI KECAMATAN LUMBAN JULU KABUPATEN TOBA SAMOSIR Desrina Natalia Manalu; Rahmawaty Rahmawaty; Riswan Riswan
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

The destruction of forests, climate change and global warming, causing indirect benefits from the forest is reduced, because the forest is the largest carbon sink and play an important role in the global carbon cycle. In order to reduce the rate of global warming, this study estimated the potential of carbon stock. The study aimed to calculate carbon stocks above ground biomass in Lumban Julu Sub-District. This study was conducted in February to May 2015 in Lumban Julu Sub-District, Toba Samosir District. Non destructive method were used in this study. Parameters measured in the field were diameter breast height (DBH) and height of the tree.The result showed that the amount of carbon content in above ground biomass in Lumban Julu Sub-District stands in Jangga Toruan Village and Jangga Dolok Village, respectively by 202,59 ton/ha and 204,79 ton/ha. The value of the carbon content in Lumban Julu Sub-District classified as good. Keywords: Above ground biomass, carbon cycle, global warming, Lumban Julu, Toba Samosir
IDENTIFIKASI POHON PLUS DI KECAMATAN LUMBAN JULU KPHL MODEL UNIT XIV TOBA SAMOSIR San France; Rahmawaty Rahmawaty; Mohammad Basyuni
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

The need for quality seed source is found to be a very important thing today, a lot of land rehabilitation work to be performed due to the large number of illegal logging and deforestation. The need for quality seeds which can be used as a seed source for the development of land rehabilitation. This study aimed to identify the source of the seeds in the form of seed gardens in the area of model XIV Toba Samosir ​​Protection Forest Management Unit, Lumban Julu Sub-District. This research was conducted from March to August 2015. Scoring method of plus trees , and  0.04 % of sampling intensity were used in this research , with a total area of ​​3761 Ha in the observation plots can be as much as 38 Plot observation, with a distance of each plots was 300 meters and each plot measuring 20 m x 20 m. Microsoft Excel were used in this research. The Results  showed 15 individuals was identified as plus trees, they are 8 Pine (Pinus merkusii), among of them was found 3 was  identified in Motung Village, 5 was in Pasar Lumban Julu Village. Furthermore 3 was Jelutung trees (Dyera costulata), 1 was identified in Jangga Dolok Village, 2 was in Pasar Lumban Julu Village, and then 4 was Puspa trees (Schima walichii), 1 was identified in Jangga Dolok Village. and 3 was in Pasar Lumban Julu Village.Keywords: Forest Management Unit, Plus Trees, Scoring Method, Seed, Toba Samosir
KLASIFIKASI PENGGUNAAN LAHAN DI HUTAN KEMASYRAKATAN KESATUAN PENGELOLAAN HUTAN LINDUNG MODEL UNIT XIV TOBA SAMOSIR Dea Kartika Br Pinem; Rahmawaty Rahmawaty; Abdul Rauf
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Toba Samosir Forest  Management Unit has a Community Forest (HKm) managed by Farmers Group Association Sibisa Motung. This study aimed to classify land use in community Forest at Toba Samosir Forest Management Unit. The research was conducted from April to May 2015 using the Stratified Random Sampling method. The results showed that there are six land use system in HKm, that is the type of combination of forest trees and perennial plants (PlPhTh), the type of combination of forest trees, perennial plants and vegetable plants (PlPhThTs), the type of combination of forest trees, perennial plants and fruit plants (PlPhTtPb), the type of combination of forest trees, vegetable plants and fruit plants (PlPhTsPb), the type of combination of forest trees and vegetable plants (PlTtPb), type of forest trees, perennial plans, vegetable plants and fruit plants (PlPhTtTsPb) and spread in village Motung, village Pardamean Sibisa and village Sigapiton. Combination type of forest trees, perennial plans, vegetable plants and fruit plants are either applied for maximing farmland and provide economic benefits for farmers. Keywords: Land Use Classification, Community forest, Forest Management Unit, Toba Samosir,
INTERPRETASI TUTUPAN LAHAN DI KESATUAN PENGELOLAAN HUTAN LINDUNG MODEL UNIT XIV TOBA SAMOSIR Ade Putri Nugraha Harahap; Rahmawaty Rahmawaty; Riswan Riswan
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Land Cover information is very important for the existence of a community forest management to organize the forest management based on the Ministry of Environtment Forestry decision; such as structuring and preparation of the forest management plans, forest utilization in terms of monitoring and control the licence holder, forest utilization in certain region, forest rehabilitation and reclamation, forest protection and nature conservation. The aimed of this study to classify land  cover types. This study was conducted in April to May 2015 in Forest Management Unit XIV Toba Samosir. The method of remote sensing by using Landsat image 8 in 2014. The result of this study showing that there were land cover types in KPHL Unit XIV Toba Samosir. They were secondary dryland forest, forest plantation, dryland farming, shrubs, and water. Dryland Agriculture type was the most dominating the land cover with 36,89%. Overall accuracy in this study is 0,98%. Keywords : Forest Management Unit XIV Toba Samosir, Image of landsat 8, Land Cover, Mapping
POTENSI WISATA ALAM DI KESATUAN PENGELOLAAN HUTAN LINDUNG MODEL UNIT XIV TOBA SAMOSIR Esra Barus; Rahmawaty Rahmawaty; Pindi Patana
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

The region of  Unit XIV  Toba Samosir Forest Management Unit (KPHL Model Unit XIV Toba Samosir) has potential  ecotourism which are spreaded in several locations. The potential flora and fauna is one of the attractions of ecotourism in this region. This study aimed  to identify the potential of nature tourism in the area of KPHL Model Unit XIV Toba Samosir. The research was conducted from April to May 2015 use a survey method. There were five lines which can be develoved into an ecotourism region, they were Bukit Manja, Sampuran Jangga Dolok, Susur Sungai Lumbanjulu, Ekowisata Hutan Desa, Rumah Tarzan. Based on Eligibility  Value, KPHL Toba Samosir  ecotourism region deserves to be developed. The name of the track are bukit manja, sampuran jangga dolok, susur sungai lumbanjulu, ekowisata hutan desa, rumah tarzan.Keywords: Bukit Manja, Ecotourism, Forest Management Unit, Toba Samosir 
KEANEKARAGAMAN JENIS TUMBUHAN OBAT DI HUTAN KEMASYARAKATAN KESATUAN PENGELOLAAN HUTAN UNIT XIV TOBA SAMOSIR Julita Dewi Pratidini Limbong; Rahmawaty Rahmawaty; Yunus Afifuddin
Peronema Forestry Science Journal Vol 5, No 4 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Medicinal plant is one of non-timber forest products whose parts can be used for medicine.This study analyzed the diversity of medicinal plants species in Community Forest (Hutan Kemasyarakatan) at Toba Samosir Forest Management Unit (KPH  Unit XIV Toba Samosir). This study was conducted in February to May 2015 in Ajibata Sub-District, Toba Samosir District.  Surveys (systematic random sampling with random start method) were conducted within the Community Forest.  Senduduk buluh (Clidemia hirta) was the most abundant species which were found  (12.09%) followed by putri malu (Mimosa pudica) (0.08%) and jahe (Zingiber officinale) (0.07%) of the total of medicinal plants in Community Forest. Species diversity in the community forest could be classified as high. therefore, the preservation of medicinal plant species in this community forests need to be maintained and enhanced for the benefit of community.Keywords: Community forest, Forest Management Unit, medicinal plant , Toba Samosi